diff options
Diffstat (limited to 'Source/ThirdParty/ANGLE/src/libGLESv2/libGLESv2.cpp')
| -rw-r--r-- | Source/ThirdParty/ANGLE/src/libGLESv2/libGLESv2.cpp | 5451 |
1 files changed, 5451 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/src/libGLESv2/libGLESv2.cpp b/Source/ThirdParty/ANGLE/src/libGLESv2/libGLESv2.cpp new file mode 100644 index 0000000..25d083b --- /dev/null +++ b/Source/ThirdParty/ANGLE/src/libGLESv2/libGLESv2.cpp @@ -0,0 +1,5451 @@ +// +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// libGLESv2.cpp: Implements the exported OpenGL ES 2.0 functions. + +#define GL_APICALL +#include <GLES2/gl2.h> +#include <GLES2/gl2ext.h> + +#include <exception> +#include <limits> + +#include "common/debug.h" + +#include "libGLESv2/main.h" +#include "libGLESv2/mathutil.h" +#include "libGLESv2/utilities.h" +#include "libGLESv2/Buffer.h" +#include "libGLESv2/Context.h" +#include "libGLESv2/Framebuffer.h" +#include "libGLESv2/Program.h" +#include "libGLESv2/Renderbuffer.h" +#include "libGLESv2/Shader.h" +#include "libGLESv2/Texture.h" + +extern "C" +{ + +void __stdcall glActiveTexture(GLenum texture) +{ + TRACE("(GLenum texture = 0x%X)", texture); + + try + { + if (texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + gl::MAX_TEXTURE_IMAGE_UNITS - 1) + { + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setActiveSampler(texture - GL_TEXTURE0); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glAttachShader(GLuint program, GLuint shader) +{ + TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + gl::Shader *shaderObject = context->getShader(shader); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (!programObject->attachShader(shaderObject)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBindAttribLocation(GLuint program, GLuint index, const GLchar* name) +{ + TRACE("(GLuint program = %d, GLuint index = %d, const GLchar* name = 0x%0.8p)", program, index, name); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (strncmp(name, "gl_", 3) == 0) + { + return error(GL_INVALID_OPERATION); + } + + programObject->bindAttributeLocation(index, name); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBindBuffer(GLenum target, GLuint buffer) +{ + TRACE("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (target) + { + case GL_ARRAY_BUFFER: + context->bindArrayBuffer(buffer); + return; + case GL_ELEMENT_ARRAY_BUFFER: + context->bindElementArrayBuffer(buffer); + return; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBindFramebuffer(GLenum target, GLuint framebuffer) +{ + TRACE("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer); + + try + { + if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) + { + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (target == GL_READ_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) + { + context->bindReadFramebuffer(framebuffer); + } + + if (target == GL_DRAW_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) + { + context->bindDrawFramebuffer(framebuffer); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBindRenderbuffer(GLenum target, GLuint renderbuffer) +{ + TRACE("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer); + + try + { + if (target != GL_RENDERBUFFER) + { + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->bindRenderbuffer(renderbuffer); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBindTexture(GLenum target, GLuint texture) +{ + TRACE("(GLenum target = 0x%X, GLuint texture = %d)", target, texture); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Texture *textureObject = context->getTexture(texture); + + if (textureObject && textureObject->getTarget() != target && texture != 0) + { + return error(GL_INVALID_OPERATION); + } + + switch (target) + { + case GL_TEXTURE_2D: + context->bindTexture2D(texture); + return; + case GL_TEXTURE_CUBE_MAP: + context->bindTextureCubeMap(texture); + return; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + TRACE("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", + red, green, blue, alpha); + + try + { + gl::Context* context = gl::getContext(); + + if (context) + { + context->setBlendColor(gl::clamp01(red), gl::clamp01(green), gl::clamp01(blue), gl::clamp01(alpha)); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBlendEquation(GLenum mode) +{ + glBlendEquationSeparate(mode, mode); +} + +void __stdcall glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) +{ + TRACE("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha); + + try + { + switch (modeRGB) + { + case GL_FUNC_ADD: + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (modeAlpha) + { + case GL_FUNC_ADD: + case GL_FUNC_SUBTRACT: + case GL_FUNC_REVERSE_SUBTRACT: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setBlendEquation(modeRGB, modeAlpha); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBlendFunc(GLenum sfactor, GLenum dfactor) +{ + glBlendFuncSeparate(sfactor, dfactor, sfactor, dfactor); +} + +void __stdcall glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) +{ + TRACE("(GLenum srcRGB = 0x%X, GLenum dstRGB = 0x%X, GLenum srcAlpha = 0x%X, GLenum dstAlpha = 0x%X)", + srcRGB, dstRGB, srcAlpha, dstAlpha); + + try + { + switch (srcRGB) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + case GL_SRC_ALPHA_SATURATE: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (dstRGB) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (srcAlpha) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + case GL_SRC_ALPHA_SATURATE: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (dstAlpha) + { + case GL_ZERO: + case GL_ONE: + case GL_SRC_COLOR: + case GL_ONE_MINUS_SRC_COLOR: + case GL_DST_COLOR: + case GL_ONE_MINUS_DST_COLOR: + case GL_SRC_ALPHA: + case GL_ONE_MINUS_SRC_ALPHA: + case GL_DST_ALPHA: + case GL_ONE_MINUS_DST_ALPHA: + case GL_CONSTANT_COLOR: + case GL_ONE_MINUS_CONSTANT_COLOR: + case GL_CONSTANT_ALPHA: + case GL_ONE_MINUS_CONSTANT_ALPHA: + break; + default: + return error(GL_INVALID_ENUM); + } + + bool constantColorUsed = (srcRGB == GL_CONSTANT_COLOR || srcRGB == GL_ONE_MINUS_CONSTANT_COLOR || + dstRGB == GL_CONSTANT_COLOR || dstRGB == GL_ONE_MINUS_CONSTANT_COLOR); + + bool constantAlphaUsed = (srcRGB == GL_CONSTANT_ALPHA || srcRGB == GL_ONE_MINUS_CONSTANT_ALPHA || + dstRGB == GL_CONSTANT_ALPHA || dstRGB == GL_ONE_MINUS_CONSTANT_ALPHA); + + if (constantColorUsed && constantAlphaUsed) + { + ERR("Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR invalid under WebGL"); + return error(GL_INVALID_OPERATION); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) +{ + TRACE("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p, GLenum usage = %d)", + target, size, data, usage); + + try + { + if (size < 0) + { + return error(GL_INVALID_VALUE); + } + + switch (usage) + { + case GL_STREAM_DRAW: + case GL_STATIC_DRAW: + case GL_DYNAMIC_DRAW: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Buffer *buffer; + + switch (target) + { + case GL_ARRAY_BUFFER: + buffer = context->getArrayBuffer(); + break; + case GL_ELEMENT_ARRAY_BUFFER: + buffer = context->getElementArrayBuffer(); + break; + default: + return error(GL_INVALID_ENUM); + } + + if (!buffer) + { + return error(GL_INVALID_OPERATION); + } + + buffer->bufferData(data, size, usage); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data) +{ + TRACE("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p)", + target, offset, size, data); + + try + { + if (size < 0 || offset < 0) + { + return error(GL_INVALID_VALUE); + } + + if (data == NULL) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Buffer *buffer; + + switch (target) + { + case GL_ARRAY_BUFFER: + buffer = context->getArrayBuffer(); + break; + case GL_ELEMENT_ARRAY_BUFFER: + buffer = context->getElementArrayBuffer(); + break; + default: + return error(GL_INVALID_ENUM); + } + + if (!buffer) + { + return error(GL_INVALID_OPERATION); + } + + if ((size_t)size + offset > buffer->size()) + { + return error(GL_INVALID_VALUE); + } + + buffer->bufferSubData(data, size, offset); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +GLenum __stdcall glCheckFramebufferStatus(GLenum target) +{ + TRACE("(GLenum target = 0x%X)", target); + + try + { + if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) + { + return error(GL_INVALID_ENUM, 0); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Framebuffer *framebuffer = NULL; + if (target == GL_READ_FRAMEBUFFER_ANGLE) + { + framebuffer = context->getReadFramebuffer(); + } + else + { + framebuffer = context->getDrawFramebuffer(); + } + + return framebuffer->completeness(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, 0); + } + + return 0; +} + +void __stdcall glClear(GLbitfield mask) +{ + TRACE("(GLbitfield mask = %X)", mask); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->clear(mask); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) +{ + TRACE("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", + red, green, blue, alpha); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setClearColor(red, green, blue, alpha); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glClearDepthf(GLclampf depth) +{ + TRACE("(GLclampf depth = %f)", depth); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setClearDepth(depth); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glClearStencil(GLint s) +{ + TRACE("(GLint s = %d)", s); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setClearStencil(s); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) +{ + TRACE("(GLboolean red = %d, GLboolean green = %d, GLboolean blue = %d, GLboolean alpha = %d)", + red, green, blue, alpha); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glCompileShader(GLuint shader) +{ + TRACE("(GLuint shader = %d)", shader); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + shaderObject->compile(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, + GLint border, GLsizei imageSize, const GLvoid* data) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, " + "GLsizei height = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", + target, level, internalformat, width, height, border, imageSize, data); + + try + { + if (level < 0 || level > gl::MAX_TEXTURE_LEVELS) + { + return error(GL_INVALID_VALUE); + } + + if (width < 0 || height < 0 || (level > 0 && !gl::isPow2(width)) || (level > 0 && !gl::isPow2(height)) || border != 0 || imageSize < 0) + { + return error(GL_INVALID_VALUE); + } + + switch (target) + { + case GL_TEXTURE_2D: + if (width > (gl::MAX_TEXTURE_SIZE >> level) || height > (gl::MAX_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + if (width != height) + { + return error(GL_INVALID_VALUE); + } + + if (width > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level) || height > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (internalformat) + { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + break; + default: + return error(GL_INVALID_ENUM); + } + + if (border != 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (!context->supportsCompressedTextures()) + { + return error(GL_INVALID_ENUM); // in this case, it's as though the internal format switch failed + } + + if (imageSize != gl::ComputeCompressedSize(width, height, internalformat)) + { + return error(GL_INVALID_VALUE); + } + + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + texture->setCompressedImage(level, internalformat, width, height, imageSize, data); + } + else + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + switch (target) + { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + texture->setCompressedImage(target, level, internalformat, width, height, imageSize, data); + break; + default: UNREACHABLE(); + } + } + } + + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLsizei imageSize, const GLvoid* data) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, " + "GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", + target, level, xoffset, yoffset, width, height, format, imageSize, data); + + try + { + if (!gl::IsTextureTarget(target)) + { + return error(GL_INVALID_ENUM); + } + + if (level < 0 || level > gl::MAX_TEXTURE_LEVELS) + { + return error(GL_INVALID_VALUE); + } + + if (xoffset < 0 || yoffset < 0 || width < 0 || height < 0 || + (level > 0 && !gl::isPow2(width)) || (level > 0 && !gl::isPow2(height)) || imageSize < 0) + { + return error(GL_INVALID_VALUE); + } + + switch (format) + { + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + break; + default: + return error(GL_INVALID_ENUM); + } + + if (width == 0 || height == 0 || data == NULL) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (!context->supportsCompressedTextures()) + { + return error(GL_INVALID_ENUM); // in this case, it's as though the format switch has failed. + } + + if (imageSize != gl::ComputeCompressedSize(width, height, format)) + { + return error(GL_INVALID_VALUE); + } + + if (xoffset % 4 != 0 || yoffset % 4 != 0) + { + return error(GL_INVALID_OPERATION); // we wait to check the offsets until this point, because the multiple-of-four restriction + // does not exist unless DXT1 textures are supported. + } + + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (!texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + if ((width % 4 != 0 && width != texture->getWidth()) || + (height % 4 != 0 && height != texture->getHeight())) + { + return error(GL_INVALID_OPERATION); + } + + texture->subImageCompressed(level, xoffset, yoffset, width, height, format, imageSize, data); + } + else if (gl::IsCubemapTextureTarget(target)) + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (!texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + if ((width % 4 != 0 && width != texture->getWidth()) || + (height % 4 != 0 && height != texture->getHeight())) + { + return error(GL_INVALID_OPERATION); + } + + texture->subImageCompressed(target, level, xoffset, yoffset, width, height, format, imageSize, data); + } + else + { + UNREACHABLE(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, " + "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, GLint border = %d)", + target, level, internalformat, x, y, width, height, border); + + try + { + if (level < 0 || width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + if (level > 0 && (!gl::isPow2(width) || !gl::isPow2(height))) + { + return error(GL_INVALID_VALUE); + } + + switch (target) + { + case GL_TEXTURE_2D: + if (width > (gl::MAX_TEXTURE_SIZE >> level) || height > (gl::MAX_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + if (width != height) + { + return error(GL_INVALID_VALUE); + } + + if (width > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level) || height > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (internalformat) + { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_RGB: + case GL_RGBA: + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: // Compressed textures are not supported here, but if they are unsupported altogether, + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: // a different error is generated than otherwise. That is handled below. + break; + default: + return error(GL_INVALID_VALUE); + } + + if (border != 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (internalformat == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || + internalformat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) + { + if (context->supportsCompressedTextures()) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_ENUM); + } + } + + gl::Framebuffer *framebuffer = context->getReadFramebuffer(); + if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE) + { + return error(GL_INVALID_FRAMEBUFFER_OPERATION); + } + + if (context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0) + { + return error(GL_INVALID_OPERATION); + } + + gl::Colorbuffer *source = framebuffer->getColorbuffer(); + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->copyImage(level, internalformat, x, y, width, height, source); + } + else if (gl::IsCubemapTextureTarget(target)) + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->copyImage(target, level, internalformat, x, y, width, height, source); + } + else + { + UNREACHABLE(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", + target, level, xoffset, yoffset, x, y, width, height); + + try + { + if (!gl::IsTextureTarget(target)) + { + return error(GL_INVALID_ENUM); + } + + if (level < 0 || level > gl::MAX_TEXTURE_LEVELS || xoffset < 0 || yoffset < 0 || width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + if (std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height) + { + return error(GL_INVALID_VALUE); + } + + if (width == 0 || height == 0) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Framebuffer *framebuffer = context->getReadFramebuffer(); + if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE) + { + return error(GL_INVALID_FRAMEBUFFER_OPERATION); + } + + if (context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0) + { + return error(GL_INVALID_OPERATION); + } + + gl::Colorbuffer *source = framebuffer->getColorbuffer(); + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->copySubImage(level, xoffset, yoffset, x, y, width, height, source); + } + else if (gl::IsCubemapTextureTarget(target)) + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->copySubImage(target, level, xoffset, yoffset, x, y, width, height, source); + } + else + { + UNREACHABLE(); + } + } + } + + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +GLuint __stdcall glCreateProgram(void) +{ + TRACE("()"); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + return context->createProgram(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, 0); + } + + return 0; +} + +GLuint __stdcall glCreateShader(GLenum type) +{ + TRACE("(GLenum type = 0x%X)", type); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (type) + { + case GL_FRAGMENT_SHADER: + case GL_VERTEX_SHADER: + return context->createShader(type); + default: + return error(GL_INVALID_ENUM, 0); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, 0); + } + + return 0; +} + +void __stdcall glCullFace(GLenum mode) +{ + TRACE("(GLenum mode = 0x%X)", mode); + + try + { + switch (mode) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setCullMode(mode); + } + } + break; + default: + return error(GL_INVALID_ENUM); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteBuffers(GLsizei n, const GLuint* buffers) +{ + TRACE("(GLsizei n = %d, const GLuint* buffers = 0x%0.8p)", n, buffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + context->deleteBuffer(buffers[i]); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteFramebuffers(GLsizei n, const GLuint* framebuffers) +{ + TRACE("(GLsizei n = %d, const GLuint* framebuffers = 0x%0.8p)", n, framebuffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + if (framebuffers[i] != 0) + { + context->deleteFramebuffer(framebuffers[i]); + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteProgram(GLuint program) +{ + TRACE("(GLuint program = %d)", program); + + try + { + if (program == 0) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (!context->getProgram(program)) + { + if(context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + context->deleteProgram(program); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers) +{ + TRACE("(GLsizei n = %d, const GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + context->deleteRenderbuffer(renderbuffers[i]); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteShader(GLuint shader) +{ + TRACE("(GLuint shader = %d)", shader); + + try + { + if (shader == 0) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (!context->getShader(shader)) + { + if(context->getProgram(shader)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + context->deleteShader(shader); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDeleteTextures(GLsizei n, const GLuint* textures) +{ + TRACE("(GLsizei n = %d, const GLuint* textures = 0x%0.8p)", n, textures); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + if (textures[i] != 0) + { + context->deleteTexture(textures[i]); + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDepthFunc(GLenum func) +{ + TRACE("(GLenum func = 0x%X)", func); + + try + { + switch (func) + { + case GL_NEVER: + case GL_ALWAYS: + case GL_LESS: + case GL_LEQUAL: + case GL_EQUAL: + case GL_GREATER: + case GL_GEQUAL: + case GL_NOTEQUAL: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setDepthFunc(func); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDepthMask(GLboolean flag) +{ + TRACE("(GLboolean flag = %d)", flag); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setDepthMask(flag != GL_FALSE); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDepthRangef(GLclampf zNear, GLclampf zFar) +{ + TRACE("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setDepthRange(zNear, zFar); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDetachShader(GLuint program, GLuint shader) +{ + TRACE("(GLuint program = %d, GLuint shader = %d)", program, shader); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + + gl::Program *programObject = context->getProgram(program); + gl::Shader *shaderObject = context->getShader(shader); + + if (!programObject) + { + gl::Shader *shaderByProgramHandle; + shaderByProgramHandle = context->getShader(program); + if (!shaderByProgramHandle) + { + return error(GL_INVALID_VALUE); + } + else + { + return error(GL_INVALID_OPERATION); + } + } + + if (!shaderObject) + { + gl::Program *programByShaderHandle = context->getProgram(shader); + if (!programByShaderHandle) + { + return error(GL_INVALID_VALUE); + } + else + { + return error(GL_INVALID_OPERATION); + } + } + + if (!programObject->detachShader(shaderObject)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDisable(GLenum cap) +{ + TRACE("(GLenum cap = 0x%X)", cap); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (cap) + { + case GL_CULL_FACE: context->setCullFace(false); break; + case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(false); break; + case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(false); break; + case GL_SAMPLE_COVERAGE: context->setSampleCoverage(false); break; + case GL_SCISSOR_TEST: context->setScissorTest(false); break; + case GL_STENCIL_TEST: context->setStencilTest(false); break; + case GL_DEPTH_TEST: context->setDepthTest(false); break; + case GL_BLEND: context->setBlend(false); break; + case GL_DITHER: context->setDither(false); break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDisableVertexAttribArray(GLuint index) +{ + TRACE("(GLuint index = %d)", index); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setVertexAttribEnabled(index, false); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDrawArrays(GLenum mode, GLint first, GLsizei count) +{ + TRACE("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count); + + try + { + if (count < 0 || first < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->drawArrays(mode, first, count); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices) +{ + TRACE("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = 0x%0.8p)", + mode, count, type, indices); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + switch (type) + { + case GL_UNSIGNED_BYTE: + case GL_UNSIGNED_SHORT: + case GL_UNSIGNED_INT: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->drawElements(mode, count, type, indices); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glEnable(GLenum cap) +{ + TRACE("(GLenum cap = 0x%X)", cap); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (cap) + { + case GL_CULL_FACE: context->setCullFace(true); break; + case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(true); break; + case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(true); break; + case GL_SAMPLE_COVERAGE: context->setSampleCoverage(true); break; + case GL_SCISSOR_TEST: context->setScissorTest(true); break; + case GL_STENCIL_TEST: context->setStencilTest(true); break; + case GL_DEPTH_TEST: context->setDepthTest(true); break; + case GL_BLEND: context->setBlend(true); break; + case GL_DITHER: context->setDither(true); break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glEnableVertexAttribArray(GLuint index) +{ + TRACE("(GLuint index = %d)", index); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setVertexAttribEnabled(index, true); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glFinish(void) +{ + TRACE("()"); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->finish(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glFlush(void) +{ + TRACE("()"); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->flush(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glFramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) +{ + TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum renderbuffertarget = 0x%X, " + "GLuint renderbuffer = %d)", target, attachment, renderbuffertarget, renderbuffer); + + try + { + if ((target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) + || renderbuffertarget != GL_RENDERBUFFER) + { + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Framebuffer *framebuffer = NULL; + GLuint framebufferHandle = 0; + if (target == GL_READ_FRAMEBUFFER_ANGLE) + { + framebuffer = context->getReadFramebuffer(); + framebufferHandle = context->getReadFramebufferHandle(); + } + else + { + framebuffer = context->getDrawFramebuffer(); + framebufferHandle = context->getDrawFramebufferHandle(); + } + + if (framebufferHandle == 0 || !framebuffer) + { + return error(GL_INVALID_OPERATION); + } + + switch (attachment) + { + case GL_COLOR_ATTACHMENT0: + framebuffer->setColorbuffer(GL_RENDERBUFFER, renderbuffer); + break; + case GL_DEPTH_ATTACHMENT: + framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer); + break; + case GL_STENCIL_ATTACHMENT: + framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer); + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glFramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) +{ + TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, " + "GLuint texture = %d, GLint level = %d)", target, attachment, textarget, texture, level); + + try + { + if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) + { + return error(GL_INVALID_ENUM); + } + + switch (attachment) + { + case GL_COLOR_ATTACHMENT0: + case GL_DEPTH_ATTACHMENT: + case GL_STENCIL_ATTACHMENT: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (texture == 0) + { + textarget = GL_NONE; + } + else + { + gl::Texture *tex = context->getTexture(texture); + + if (tex == NULL) + { + return error(GL_INVALID_OPERATION); + } + + if (tex->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + switch (textarget) + { + case GL_TEXTURE_2D: + if (tex->getTarget() != GL_TEXTURE_2D) + { + return error(GL_INVALID_OPERATION); + } + break; + + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + if (tex->getTarget() != GL_TEXTURE_CUBE_MAP) + { + return error(GL_INVALID_OPERATION); + } + break; + + default: + return error(GL_INVALID_ENUM); + } + + if (level != 0) + { + return error(GL_INVALID_VALUE); + } + } + + gl::Framebuffer *framebuffer = NULL; + GLuint framebufferHandle = 0; + if (target == GL_READ_FRAMEBUFFER_ANGLE) + { + framebuffer = context->getReadFramebuffer(); + framebufferHandle = context->getReadFramebufferHandle(); + } + else + { + framebuffer = context->getDrawFramebuffer(); + framebufferHandle = context->getDrawFramebufferHandle(); + } + + if (framebufferHandle == 0 || !framebuffer) + { + return error(GL_INVALID_OPERATION); + } + + switch (attachment) + { + case GL_COLOR_ATTACHMENT0: framebuffer->setColorbuffer(textarget, texture); break; + case GL_DEPTH_ATTACHMENT: framebuffer->setDepthbuffer(textarget, texture); break; + case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture); break; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glFrontFace(GLenum mode) +{ + TRACE("(GLenum mode = 0x%X)", mode); + + try + { + switch (mode) + { + case GL_CW: + case GL_CCW: + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setFrontFace(mode); + } + } + break; + default: + return error(GL_INVALID_ENUM); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGenBuffers(GLsizei n, GLuint* buffers) +{ + TRACE("(GLsizei n = %d, GLuint* buffers = 0x%0.8p)", n, buffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + buffers[i] = context->createBuffer(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGenerateMipmap(GLenum target) +{ + TRACE("(GLenum target = 0x%X)", target); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Texture *texture; + + switch (target) + { + case GL_TEXTURE_2D: + texture = context->getTexture2D(); + break; + + case GL_TEXTURE_CUBE_MAP: + texture = context->getTextureCubeMap(); + break; + + default: + return error(GL_INVALID_ENUM); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->generateMipmaps(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGenFramebuffers(GLsizei n, GLuint* framebuffers) +{ + TRACE("(GLsizei n = %d, GLuint* framebuffers = 0x%0.8p)", n, framebuffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + framebuffers[i] = context->createFramebuffer(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGenRenderbuffers(GLsizei n, GLuint* renderbuffers) +{ + TRACE("(GLsizei n = %d, GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + renderbuffers[i] = context->createRenderbuffer(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGenTextures(GLsizei n, GLuint* textures) +{ + TRACE("(GLsizei n = %d, GLuint* textures = 0x%0.8p)", n, textures); + + try + { + if (n < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + for (int i = 0; i < n; i++) + { + textures[i] = context->createTexture(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) +{ + TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, GLsizei *length = 0x%0.8p, " + "GLint *size = 0x%0.8p, GLenum *type = %0.8p, GLchar *name = %0.8p)", + program, index, bufsize, length, size, type, name); + + try + { + if (bufsize < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (index >= (GLuint)programObject->getActiveAttributeCount()) + { + return error(GL_INVALID_VALUE); + } + + programObject->getActiveAttribute(index, bufsize, length, size, type, name); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name) +{ + TRACE("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, " + "GLsizei* length = 0x%0.8p, GLint* size = 0x%0.8p, GLenum* type = 0x%0.8p, GLchar* name = 0x%0.8p)", + program, index, bufsize, length, size, type, name); + + try + { + if (bufsize < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (index >= (GLuint)programObject->getActiveUniformCount()) + { + return error(GL_INVALID_VALUE); + } + + programObject->getActiveUniform(index, bufsize, length, size, type, name); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) +{ + TRACE("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = 0x%0.8p, GLuint* shaders = 0x%0.8p)", + program, maxcount, count, shaders); + + try + { + if (maxcount < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + return programObject->getAttachedShaders(maxcount, count, shaders); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +int __stdcall glGetAttribLocation(GLuint program, const GLchar* name) +{ + TRACE("(GLuint program = %d, const GLchar* name = %s)", program, name); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION, -1); + } + else + { + return error(GL_INVALID_VALUE, -1); + } + } + + if (!programObject->isLinked()) + { + return error(GL_INVALID_OPERATION, -1); + } + + return programObject->getAttributeLocation(name); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, -1); + } + + return -1; +} + +void __stdcall glGetBooleanv(GLenum pname, GLboolean* params) +{ + TRACE("(GLenum pname = 0x%X, GLboolean* params = 0x%0.8p)", pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (!(context->getBooleanv(pname, params))) + { + GLenum nativeType; + unsigned int numParams = 0; + if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) + return error(GL_INVALID_ENUM); + + if (numParams == 0) + return; // it is known that the pname is valid, but there are no parameters to return + + if (nativeType == GL_FLOAT) + { + GLfloat *floatParams = NULL; + floatParams = new GLfloat[numParams]; + + context->getFloatv(pname, floatParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + if (floatParams[i] == 0.0f) + params[i] = GL_FALSE; + else + params[i] = GL_TRUE; + } + + delete [] floatParams; + } + else if (nativeType == GL_INT) + { + GLint *intParams = NULL; + intParams = new GLint[numParams]; + + context->getIntegerv(pname, intParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + if (intParams[i] == 0) + params[i] = GL_FALSE; + else + params[i] = GL_TRUE; + } + + delete [] intParams; + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params) +{ + TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Buffer *buffer; + + switch (target) + { + case GL_ARRAY_BUFFER: + buffer = context->getArrayBuffer(); + break; + case GL_ELEMENT_ARRAY_BUFFER: + buffer = context->getElementArrayBuffer(); + break; + default: return error(GL_INVALID_ENUM); + } + + if (!buffer) + { + // A null buffer means that "0" is bound to the requested buffer target + return error(GL_INVALID_OPERATION); + } + + switch (pname) + { + case GL_BUFFER_USAGE: + *params = buffer->usage(); + break; + case GL_BUFFER_SIZE: + *params = buffer->size(); + break; + default: return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +GLenum __stdcall glGetError(void) +{ + TRACE("()"); + + gl::Context *context = gl::getContext(); + + if (context) + { + return context->getError(); + } + + return GL_NO_ERROR; +} + +void __stdcall glGetFloatv(GLenum pname, GLfloat* params) +{ + TRACE("(GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (!(context->getFloatv(pname, params))) + { + GLenum nativeType; + unsigned int numParams = 0; + if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) + return error(GL_INVALID_ENUM); + + if (numParams == 0) + return; // it is known that the pname is valid, but that there are no parameters to return. + + if (nativeType == GL_BOOL) + { + GLboolean *boolParams = NULL; + boolParams = new GLboolean[numParams]; + + context->getBooleanv(pname, boolParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + if (boolParams[i] == GL_FALSE) + params[i] = 0.0f; + else + params[i] = 1.0f; + } + + delete [] boolParams; + } + else if (nativeType == GL_INT) + { + GLint *intParams = NULL; + intParams = new GLint[numParams]; + + context->getIntegerv(pname, intParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + params[i] = (GLfloat)intParams[i]; + } + + delete [] intParams; + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params) +{ + TRACE("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", + target, attachment, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) + { + return error(GL_INVALID_ENUM); + } + + gl::Framebuffer *framebuffer = NULL; + if (target == GL_READ_FRAMEBUFFER_ANGLE) + { + if(context->getReadFramebufferHandle() == 0) + { + return error(GL_INVALID_OPERATION); + } + + framebuffer = context->getReadFramebuffer(); + } + else + { + if (context->getDrawFramebufferHandle() == 0) + { + return error(GL_INVALID_OPERATION); + } + + framebuffer = context->getDrawFramebuffer(); + } + + GLenum attachmentType; + GLuint attachmentHandle; + switch (attachment) + { + case GL_COLOR_ATTACHMENT0: + attachmentType = framebuffer->getColorbufferType(); + attachmentHandle = framebuffer->getColorbufferHandle(); + break; + case GL_DEPTH_ATTACHMENT: + attachmentType = framebuffer->getDepthbufferType(); + attachmentHandle = framebuffer->getDepthbufferHandle(); + break; + case GL_STENCIL_ATTACHMENT: + attachmentType = framebuffer->getStencilbufferType(); + attachmentHandle = framebuffer->getStencilbufferHandle(); + break; + default: return error(GL_INVALID_ENUM); + } + + GLenum attachmentObjectType; // Type category + if (attachmentType == GL_NONE || attachmentType == GL_RENDERBUFFER) + { + attachmentObjectType = attachmentType; + } + else if (gl::IsTextureTarget(attachmentType)) + { + attachmentObjectType = GL_TEXTURE; + } + else UNREACHABLE(); + + switch (pname) + { + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: + *params = attachmentObjectType; + break; + case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: + if (attachmentObjectType == GL_RENDERBUFFER || attachmentObjectType == GL_TEXTURE) + { + *params = attachmentHandle; + } + else + { + return error(GL_INVALID_ENUM); + } + break; + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: + if (attachmentObjectType == GL_TEXTURE) + { + *params = 0; // FramebufferTexture2D will not allow level to be set to anything else in GL ES 2.0 + } + else + { + return error(GL_INVALID_ENUM); + } + break; + case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: + if (attachmentObjectType == GL_TEXTURE) + { + if (gl::IsCubemapTextureTarget(attachmentType)) + { + *params = attachmentType; + } + else + { + *params = 0; + } + } + else + { + return error(GL_INVALID_ENUM); + } + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetIntegerv(GLenum pname, GLint* params) +{ + TRACE("(GLenum pname = 0x%X, GLint* params = 0x%0.8p)", pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (!(context->getIntegerv(pname, params))) + { + GLenum nativeType; + unsigned int numParams = 0; + if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) + return error(GL_INVALID_ENUM); + + if (numParams == 0) + return; // it is known that pname is valid, but there are no parameters to return + + if (nativeType == GL_BOOL) + { + GLboolean *boolParams = NULL; + boolParams = new GLboolean[numParams]; + + context->getBooleanv(pname, boolParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + if (boolParams[i] == GL_FALSE) + params[i] = 0; + else + params[i] = 1; + } + + delete [] boolParams; + } + else if (nativeType == GL_FLOAT) + { + GLfloat *floatParams = NULL; + floatParams = new GLfloat[numParams]; + + context->getFloatv(pname, floatParams); + + for (unsigned int i = 0; i < numParams; ++i) + { + if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR) + { + params[i] = (GLint)(((GLfloat)(0xFFFFFFFF) * floatParams[i] - 1.0f) / 2.0f); + } + else + params[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5)); + } + + delete [] floatParams; + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetProgramiv(GLuint program, GLenum pname, GLint* params) +{ + TRACE("(GLuint program = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", program, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + return error(GL_INVALID_VALUE); + } + + switch (pname) + { + case GL_DELETE_STATUS: + *params = programObject->isFlaggedForDeletion(); + return; + case GL_LINK_STATUS: + *params = programObject->isLinked(); + return; + case GL_VALIDATE_STATUS: + *params = programObject->isValidated(); + return; + case GL_INFO_LOG_LENGTH: + *params = programObject->getInfoLogLength(); + return; + case GL_ATTACHED_SHADERS: + *params = programObject->getAttachedShadersCount(); + return; + case GL_ACTIVE_ATTRIBUTES: + *params = programObject->getActiveAttributeCount(); + return; + case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH: + *params = programObject->getActiveAttributeMaxLength(); + return; + case GL_ACTIVE_UNIFORMS: + *params = programObject->getActiveUniformCount(); + return; + case GL_ACTIVE_UNIFORM_MAX_LENGTH: + *params = programObject->getActiveUniformMaxLength(); + return; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + TRACE("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", + program, bufsize, length, infolog); + + try + { + if (bufsize < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + return error(GL_INVALID_VALUE); + } + + programObject->getInfoLog(bufsize, length, infolog); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params) +{ + TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (target != GL_RENDERBUFFER) + { + return error(GL_INVALID_ENUM); + } + + if (context->getRenderbufferHandle() == 0) + { + return error(GL_INVALID_OPERATION); + } + + gl::Renderbuffer *renderbuffer = context->getRenderbuffer(context->getRenderbufferHandle()); + + switch (pname) + { + case GL_RENDERBUFFER_WIDTH: + *params = renderbuffer->getWidth(); + break; + case GL_RENDERBUFFER_HEIGHT: + *params = renderbuffer->getHeight(); + break; + case GL_RENDERBUFFER_INTERNAL_FORMAT: + *params = renderbuffer->getFormat(); + break; + case GL_RENDERBUFFER_RED_SIZE: + if (renderbuffer->isColorbuffer()) + { + *params = static_cast<gl::Colorbuffer*>(renderbuffer->getStorage())->getRedSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_GREEN_SIZE: + if (renderbuffer->isColorbuffer()) + { + *params = static_cast<gl::Colorbuffer*>(renderbuffer->getStorage())->getGreenSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_BLUE_SIZE: + if (renderbuffer->isColorbuffer()) + { + *params = static_cast<gl::Colorbuffer*>(renderbuffer->getStorage())->getBlueSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_ALPHA_SIZE: + if (renderbuffer->isColorbuffer()) + { + *params = static_cast<gl::Colorbuffer*>(renderbuffer->getStorage())->getAlphaSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_DEPTH_SIZE: + if (renderbuffer->isDepthbuffer()) + { + *params = static_cast<gl::Depthbuffer*>(renderbuffer->getStorage())->getDepthSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_STENCIL_SIZE: + if (renderbuffer->isStencilbuffer()) + { + *params = static_cast<gl::Stencilbuffer*>(renderbuffer->getStorage())->getStencilSize(); + } + else + { + *params = 0; + } + break; + case GL_RENDERBUFFER_SAMPLES_ANGLE: + { + if (context->getMaxSupportedSamples() != 0) + { + *params = renderbuffer->getStorage()->getSamples(); + } + else + { + return error(GL_INVALID_ENUM); + } + } + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetShaderiv(GLuint shader, GLenum pname, GLint* params) +{ + TRACE("(GLuint shader = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", shader, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + return error(GL_INVALID_VALUE); + } + + switch (pname) + { + case GL_SHADER_TYPE: + *params = shaderObject->getType(); + return; + case GL_DELETE_STATUS: + *params = shaderObject->isFlaggedForDeletion(); + return; + case GL_COMPILE_STATUS: + *params = shaderObject->isCompiled() ? GL_TRUE : GL_FALSE; + return; + case GL_INFO_LOG_LENGTH: + *params = shaderObject->getInfoLogLength(); + return; + case GL_SHADER_SOURCE_LENGTH: + *params = shaderObject->getSourceLength(); + return; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) +{ + TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", + shader, bufsize, length, infolog); + + try + { + if (bufsize < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + return error(GL_INVALID_VALUE); + } + + shaderObject->getInfoLog(bufsize, length, infolog); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) +{ + TRACE("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = 0x%0.8p, GLint* precision = 0x%0.8p)", + shadertype, precisiontype, range, precision); + + try + { + switch (shadertype) + { + case GL_VERTEX_SHADER: + case GL_FRAGMENT_SHADER: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (precisiontype) + { + case GL_LOW_FLOAT: + case GL_MEDIUM_FLOAT: + case GL_HIGH_FLOAT: + // Assume IEEE 754 precision + range[0] = 127; + range[1] = 127; + *precision = 23; + break; + case GL_LOW_INT: + case GL_MEDIUM_INT: + case GL_HIGH_INT: + // Some (most) hardware only supports single-precision floating-point numbers, + // which can accurately represent integers up to +/-16777216 + range[0] = 24; + range[1] = 24; + *precision = 0; + break; + default: + return error(GL_INVALID_ENUM); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source) +{ + TRACE("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* source = 0x%0.8p)", + shader, bufsize, length, source); + + try + { + if (bufsize < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + return error(GL_INVALID_OPERATION); + } + + shaderObject->getSource(bufsize, length, source); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +const GLubyte* __stdcall glGetString(GLenum name) +{ + TRACE("(GLenum name = 0x%X)", name); + + try + { + gl::Context *context = gl::getContext(); + + switch (name) + { + case GL_VENDOR: + return (GLubyte*)"TransGaming Inc."; + case GL_RENDERER: + return (GLubyte*)"ANGLE"; + case GL_VERSION: + return (GLubyte*)"OpenGL ES 2.0 (git-devel "__DATE__ " " __TIME__")"; + case GL_SHADING_LANGUAGE_VERSION: + return (GLubyte*)"OpenGL ES GLSL ES 1.00 (git-devel "__DATE__ " " __TIME__")"; + case GL_EXTENSIONS: + return (GLubyte*)((context != NULL) ? context->getExtensionString() : ""); + default: + return error(GL_INVALID_ENUM, (GLubyte*)NULL); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, (GLubyte*)NULL); + } + + return NULL; +} + +void __stdcall glGetTexParameterfv(GLenum target, GLenum pname, GLfloat* params) +{ + TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", target, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Texture *texture; + + switch (target) + { + case GL_TEXTURE_2D: + texture = context->getTexture2D(); + break; + case GL_TEXTURE_CUBE_MAP: + texture = context->getTextureCubeMap(); + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (pname) + { + case GL_TEXTURE_MAG_FILTER: + *params = (GLfloat)texture->getMagFilter(); + break; + case GL_TEXTURE_MIN_FILTER: + *params = (GLfloat)texture->getMinFilter(); + break; + case GL_TEXTURE_WRAP_S: + *params = (GLfloat)texture->getWrapS(); + break; + case GL_TEXTURE_WRAP_T: + *params = (GLfloat)texture->getWrapT(); + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetTexParameteriv(GLenum target, GLenum pname, GLint* params) +{ + TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Texture *texture; + + switch (target) + { + case GL_TEXTURE_2D: + texture = context->getTexture2D(); + break; + case GL_TEXTURE_CUBE_MAP: + texture = context->getTextureCubeMap(); + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (pname) + { + case GL_TEXTURE_MAG_FILTER: + *params = texture->getMagFilter(); + break; + case GL_TEXTURE_MIN_FILTER: + *params = texture->getMinFilter(); + break; + case GL_TEXTURE_WRAP_S: + *params = texture->getWrapS(); + break; + case GL_TEXTURE_WRAP_T: + *params = texture->getWrapT(); + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetUniformfv(GLuint program, GLint location, GLfloat* params) +{ + TRACE("(GLuint program = %d, GLint location = %d, GLfloat* params = 0x%0.8p)", program, location, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (program == 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Program *programObject = context->getProgram(program); + + if (!programObject || !programObject->isLinked()) + { + return error(GL_INVALID_OPERATION); + } + + if (!programObject->getUniformfv(location, params)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetUniformiv(GLuint program, GLint location, GLint* params) +{ + TRACE("(GLuint program = %d, GLint location = %d, GLint* params = 0x%0.8p)", program, location, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (program == 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Program *programObject = context->getProgram(program); + + if (!programObject || !programObject->isLinked()) + { + return error(GL_INVALID_OPERATION); + } + + if (!programObject) + { + return error(GL_INVALID_OPERATION); + } + + if (!programObject->getUniformiv(location, params)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +int __stdcall glGetUniformLocation(GLuint program, const GLchar* name) +{ + TRACE("(GLuint program = %d, const GLchar* name = 0x%0.8p)", program, name); + + try + { + gl::Context *context = gl::getContext(); + + if (strstr(name, "gl_") == name) + { + return -1; + } + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION, -1); + } + else + { + return error(GL_INVALID_VALUE, -1); + } + } + + if (!programObject->isLinked()) + { + return error(GL_INVALID_OPERATION, -1); + } + + return programObject->getUniformLocation(name, false); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, -1); + } + + return -1; +} + +void __stdcall glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params) +{ + TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", index, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + const gl::AttributeState &attribState = context->getVertexAttribState(index); + + switch (pname) + { + case GL_VERTEX_ATTRIB_ARRAY_ENABLED: + *params = (GLfloat)(attribState.mEnabled ? GL_TRUE : GL_FALSE); + break; + case GL_VERTEX_ATTRIB_ARRAY_SIZE: + *params = (GLfloat)attribState.mSize; + break; + case GL_VERTEX_ATTRIB_ARRAY_STRIDE: + *params = (GLfloat)attribState.mStride; + break; + case GL_VERTEX_ATTRIB_ARRAY_TYPE: + *params = (GLfloat)attribState.mType; + break; + case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: + *params = (GLfloat)(attribState.mNormalized ? GL_TRUE : GL_FALSE); + break; + case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: + *params = (GLfloat)attribState.mBoundBuffer.id(); + break; + case GL_CURRENT_VERTEX_ATTRIB: + for (int i = 0; i < 4; ++i) + { + params[i] = attribState.mCurrentValue[i]; + } + break; + default: return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetVertexAttribiv(GLuint index, GLenum pname, GLint* params) +{ + TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", index, pname, params); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + const gl::AttributeState &attribState = context->getVertexAttribState(index); + + switch (pname) + { + case GL_VERTEX_ATTRIB_ARRAY_ENABLED: + *params = (attribState.mEnabled ? GL_TRUE : GL_FALSE); + break; + case GL_VERTEX_ATTRIB_ARRAY_SIZE: + *params = attribState.mSize; + break; + case GL_VERTEX_ATTRIB_ARRAY_STRIDE: + *params = attribState.mStride; + break; + case GL_VERTEX_ATTRIB_ARRAY_TYPE: + *params = attribState.mType; + break; + case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: + *params = (attribState.mNormalized ? GL_TRUE : GL_FALSE); + break; + case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: + *params = attribState.mBoundBuffer.id(); + break; + case GL_CURRENT_VERTEX_ATTRIB: + for (int i = 0; i < 4; ++i) + { + float currentValue = attribState.mCurrentValue[i]; + params[i] = (GLint)(currentValue > 0.0f ? floor(currentValue + 0.5f) : ceil(currentValue - 0.5f)); + } + break; + default: return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer) +{ + TRACE("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = 0x%0.8p)", index, pname, pointer); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER) + { + return error(GL_INVALID_ENUM); + } + + *pointer = const_cast<GLvoid*>(context->getVertexAttribPointer(index)); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glHint(GLenum target, GLenum mode) +{ + TRACE("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode); + + try + { + switch (target) + { + case GL_GENERATE_MIPMAP_HINT: + switch (mode) + { + case GL_FASTEST: + case GL_NICEST: + case GL_DONT_CARE: + break; + default: + return error(GL_INVALID_ENUM); + } + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + if (context) + { + if (target == GL_GENERATE_MIPMAP_HINT) + context->setGenerateMipmapHint(mode); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +GLboolean __stdcall glIsBuffer(GLuint buffer) +{ + TRACE("(GLuint buffer = %d)", buffer); + + try + { + gl::Context *context = gl::getContext(); + + if (context && buffer) + { + gl::Buffer *bufferObject = context->getBuffer(buffer); + + if (bufferObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +GLboolean __stdcall glIsEnabled(GLenum cap) +{ + TRACE("(GLenum cap = 0x%X)", cap); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (cap) + { + case GL_CULL_FACE: return context->isCullFaceEnabled(); + case GL_POLYGON_OFFSET_FILL: return context->isPolygonOffsetFillEnabled(); + case GL_SAMPLE_ALPHA_TO_COVERAGE: return context->isSampleAlphaToCoverageEnabled(); + case GL_SAMPLE_COVERAGE: return context->isSampleCoverageEnabled(); + case GL_SCISSOR_TEST: return context->isScissorTestEnabled(); + case GL_STENCIL_TEST: return context->isStencilTestEnabled(); + case GL_DEPTH_TEST: return context->isDepthTestEnabled(); + case GL_BLEND: return context->isBlendEnabled(); + case GL_DITHER: return context->isDitherEnabled(); + default: + return error(GL_INVALID_ENUM, false); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, false); + } + + return false; +} + +GLboolean __stdcall glIsFramebuffer(GLuint framebuffer) +{ + TRACE("(GLuint framebuffer = %d)", framebuffer); + + try + { + gl::Context *context = gl::getContext(); + + if (context && framebuffer) + { + gl::Framebuffer *framebufferObject = context->getFramebuffer(framebuffer); + + if (framebufferObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +GLboolean __stdcall glIsProgram(GLuint program) +{ + TRACE("(GLuint program = %d)", program); + + try + { + gl::Context *context = gl::getContext(); + + if (context && program) + { + gl::Program *programObject = context->getProgram(program); + + if (programObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +GLboolean __stdcall glIsRenderbuffer(GLuint renderbuffer) +{ + TRACE("(GLuint renderbuffer = %d)", renderbuffer); + + try + { + gl::Context *context = gl::getContext(); + + if (context && renderbuffer) + { + gl::Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer); + + if (renderbufferObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +GLboolean __stdcall glIsShader(GLuint shader) +{ + TRACE("(GLuint shader = %d)", shader); + + try + { + gl::Context *context = gl::getContext(); + + if (context && shader) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (shaderObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +GLboolean __stdcall glIsTexture(GLuint texture) +{ + TRACE("(GLuint texture = %d)", texture); + + try + { + gl::Context *context = gl::getContext(); + + if (context && texture) + { + gl::Texture *textureObject = context->getTexture(texture); + + if (textureObject) + { + return GL_TRUE; + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY, GL_FALSE); + } + + return GL_FALSE; +} + +void __stdcall glLineWidth(GLfloat width) +{ + TRACE("(GLfloat width = %f)", width); + + try + { + if (width <= 0.0f) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setLineWidth(width); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glLinkProgram(GLuint program) +{ + TRACE("(GLuint program = %d)", program); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + programObject->link(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glPixelStorei(GLenum pname, GLint param) +{ + TRACE("(GLenum pname = 0x%X, GLint param = %d)", pname, param); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + switch (pname) + { + case GL_UNPACK_ALIGNMENT: + if (param != 1 && param != 2 && param != 4 && param != 8) + { + return error(GL_INVALID_VALUE); + } + + context->setUnpackAlignment(param); + break; + + case GL_PACK_ALIGNMENT: + if (param != 1 && param != 2 && param != 4 && param != 8) + { + return error(GL_INVALID_VALUE); + } + + context->setPackAlignment(param); + break; + + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glPolygonOffset(GLfloat factor, GLfloat units) +{ + TRACE("(GLfloat factor = %f, GLfloat units = %f)", factor, units); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + context->setPolygonOffsetParams(factor, units); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels) +{ + TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, " + "GLenum format = 0x%X, GLenum type = 0x%X, GLvoid* pixels = 0x%0.8p)", + x, y, width, height, format, type, pixels); + + try + { + if (width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + switch (format) + { + case GL_RGBA: + switch (type) + { + case GL_UNSIGNED_BYTE: + break; + default: + return error(GL_INVALID_OPERATION); + } + break; + case GL_BGRA_EXT: + switch (type) + { + case GL_UNSIGNED_BYTE: + case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: + case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: + break; + default: + return error(GL_INVALID_OPERATION); + } + break; + case gl::IMPLEMENTATION_COLOR_READ_FORMAT: + switch (type) + { + case gl::IMPLEMENTATION_COLOR_READ_TYPE: + break; + default: + return error(GL_INVALID_OPERATION); + } + break; + default: + return error(GL_INVALID_OPERATION); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->readPixels(x, y, width, height, format, type, pixels); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glReleaseShaderCompiler(void) +{ + TRACE("()"); + + try + { + gl::Shader::releaseCompiler(); + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glRenderbufferStorageMultisampleANGLE(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) +{ + TRACE("(GLenum target = 0x%X, GLsizei samples = %d, GLenum internalformat = 0x%X, GLsizei width = %d, GLsizei height = %d)", + target, samples, internalformat, width, height); + + try + { + switch (target) + { + case GL_RENDERBUFFER: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (internalformat) + { + case GL_DEPTH_COMPONENT16: + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGB565: + case GL_STENCIL_INDEX8: + case GL_DEPTH24_STENCIL8_OES: + case GL_RGB8_OES: + case GL_RGBA8_OES: + break; + default: + return error(GL_INVALID_ENUM); + } + + if (width < 0 || height < 0 || width > gl::MAX_RENDERBUFFER_SIZE || height > gl::MAX_RENDERBUFFER_SIZE || samples < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (samples > context->getMaxSupportedSamples()) + { + return error(GL_INVALID_VALUE); + } + + GLuint handle = context->getRenderbufferHandle(); + if (handle == 0) + { + return error(GL_INVALID_OPERATION); + } + + switch (internalformat) + { + case GL_DEPTH_COMPONENT16: + context->setRenderbufferStorage(new gl::Depthbuffer(width, height, samples)); + break; + case GL_RGBA4: + case GL_RGB5_A1: + case GL_RGB565: + case GL_RGB8_OES: + case GL_RGBA8_OES: + context->setRenderbufferStorage(new gl::Colorbuffer(width, height, internalformat, samples)); + break; + case GL_STENCIL_INDEX8: + context->setRenderbufferStorage(new gl::Stencilbuffer(width, height, samples)); + break; + case GL_DEPTH24_STENCIL8_OES: + context->setRenderbufferStorage(new gl::DepthStencilbuffer(width, height, samples)); + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glRenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height) +{ + glRenderbufferStorageMultisampleANGLE(target, 0, internalformat, width, height); +} + +void __stdcall glSampleCoverage(GLclampf value, GLboolean invert) +{ + TRACE("(GLclampf value = %f, GLboolean invert = %d)", value, invert); + + try + { + gl::Context* context = gl::getContext(); + + if (context) + { + context->setSampleCoverageParams(gl::clamp01(value), invert == GL_TRUE); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glScissor(GLint x, GLint y, GLsizei width, GLsizei height) +{ + TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); + + try + { + if (width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context* context = gl::getContext(); + + if (context) + { + context->setScissorParams(x, y, width, height); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length) +{ + TRACE("(GLsizei n = %d, const GLuint* shaders = 0x%0.8p, GLenum binaryformat = 0x%X, " + "const GLvoid* binary = 0x%0.8p, GLsizei length = %d)", + n, shaders, binaryformat, binary, length); + + try + { + // No binary shader formats are supported. + return error(GL_INVALID_ENUM); + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glShaderSource(GLuint shader, GLsizei count, const GLchar** string, const GLint* length) +{ + TRACE("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = 0x%0.8p, const GLint* length = 0x%0.8p)", + shader, count, string, length); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Shader *shaderObject = context->getShader(shader); + + if (!shaderObject) + { + if (context->getProgram(shader)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + shaderObject->setSource(count, string, length); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glStencilFunc(GLenum func, GLint ref, GLuint mask) +{ + glStencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask); +} + +void __stdcall glStencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) +{ + TRACE("(GLenum face = 0x%X, GLenum func = 0x%X, GLint ref = %d, GLuint mask = %d)", face, func, ref, mask); + + try + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (func) + { + case GL_NEVER: + case GL_ALWAYS: + case GL_LESS: + case GL_LEQUAL: + case GL_EQUAL: + case GL_GEQUAL: + case GL_GREATER: + case GL_NOTEQUAL: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->setStencilParams(func, ref, mask); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->setStencilBackParams(func, ref, mask); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glStencilMask(GLuint mask) +{ + glStencilMaskSeparate(GL_FRONT_AND_BACK, mask); +} + +void __stdcall glStencilMaskSeparate(GLenum face, GLuint mask) +{ + TRACE("(GLenum face = 0x%X, GLuint mask = %d)", face, mask); + + try + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->setStencilWritemask(mask); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->setStencilBackWritemask(mask); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glStencilOp(GLenum fail, GLenum zfail, GLenum zpass) +{ + glStencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass); +} + +void __stdcall glStencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass) +{ + TRACE("(GLenum face = 0x%X, GLenum fail = 0x%X, GLenum zfail = 0x%X, GLenum zpas = 0x%Xs)", + face, fail, zfail, zpass); + + try + { + switch (face) + { + case GL_FRONT: + case GL_BACK: + case GL_FRONT_AND_BACK: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (fail) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (zfail) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (zpass) + { + case GL_ZERO: + case GL_KEEP: + case GL_REPLACE: + case GL_INCR: + case GL_DECR: + case GL_INVERT: + case GL_INCR_WRAP: + case GL_DECR_WRAP: + break; + default: + return error(GL_INVALID_ENUM); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (face == GL_FRONT || face == GL_FRONT_AND_BACK) + { + context->setStencilOperations(fail, zfail, zpass); + } + + if (face == GL_BACK || face == GL_FRONT_AND_BACK) + { + context->setStencilBackOperations(fail, zfail, zpass); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, + GLint border, GLenum format, GLenum type, const GLvoid* pixels) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLint internalformat = %d, GLsizei width = %d, GLsizei height = %d, " + "GLint border = %d, GLenum format = 0x%X, GLenum type = 0x%X, const GLvoid* pixels = 0x%0.8p)", + target, level, internalformat, width, height, border, format, type, pixels); + + try + { + if (level < 0 || width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + if (level > 0 && (!gl::isPow2(width) || !gl::isPow2(height))) + { + return error(GL_INVALID_VALUE); + } + + switch (target) + { + case GL_TEXTURE_2D: + if (width > (gl::MAX_TEXTURE_SIZE >> level) || height > (gl::MAX_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + if (width != height) + { + return error(GL_INVALID_VALUE); + } + + if (width > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level) || height > (gl::MAX_CUBE_MAP_TEXTURE_SIZE >> level)) + { + return error(GL_INVALID_VALUE); + } + break; + default: + return error(GL_INVALID_ENUM); + } + + if (internalformat != format) + { + return error(GL_INVALID_OPERATION); + } + + switch (internalformat) + { + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + switch (type) + { + case GL_UNSIGNED_BYTE: + break; + default: + return error(GL_INVALID_ENUM); + } + break; + case GL_RGB: + switch (type) + { + case GL_UNSIGNED_BYTE: + case GL_UNSIGNED_SHORT_5_6_5: + break; + default: + return error(GL_INVALID_ENUM); + } + break; + case GL_RGBA: + switch (type) + { + case GL_UNSIGNED_BYTE: + case GL_UNSIGNED_SHORT_4_4_4_4: + case GL_UNSIGNED_SHORT_5_5_5_1: + break; + default: + return error(GL_INVALID_ENUM); + } + break; + case GL_BGRA_EXT: + switch (type) + { + case GL_UNSIGNED_BYTE: + break; + default: + return error(GL_INVALID_ENUM); + } + break; + case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: // error cases for compressed textures are handled below + case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: + break; + default: + return error(GL_INVALID_VALUE); + } + + if (border != 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (internalformat == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || + internalformat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) + { + if (context->supportsCompressedTextures()) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_ENUM); + } + } + + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + texture->setImage(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + } + else + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + switch (target) + { + case GL_TEXTURE_CUBE_MAP_POSITIVE_X: + texture->setImagePosX(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + texture->setImageNegX(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + texture->setImagePosY(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + texture->setImageNegY(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + texture->setImagePosZ(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + texture->setImageNegZ(level, internalformat, width, height, format, type, context->getUnpackAlignment(), pixels); + break; + default: UNREACHABLE(); + } + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glTexParameterf(GLenum target, GLenum pname, GLfloat param) +{ + glTexParameteri(target, pname, (GLint)param); +} + +void __stdcall glTexParameterfv(GLenum target, GLenum pname, const GLfloat* params) +{ + glTexParameteri(target, pname, (GLint)*params); +} + +void __stdcall glTexParameteri(GLenum target, GLenum pname, GLint param) +{ + TRACE("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Texture *texture; + + switch (target) + { + case GL_TEXTURE_2D: + texture = context->getTexture2D(); + break; + case GL_TEXTURE_CUBE_MAP: + texture = context->getTextureCubeMap(); + break; + default: + return error(GL_INVALID_ENUM); + } + + switch (pname) + { + case GL_TEXTURE_WRAP_S: + if (!texture->setWrapS((GLenum)param)) + { + return error(GL_INVALID_ENUM); + } + break; + case GL_TEXTURE_WRAP_T: + if (!texture->setWrapT((GLenum)param)) + { + return error(GL_INVALID_ENUM); + } + break; + case GL_TEXTURE_MIN_FILTER: + if (!texture->setMinFilter((GLenum)param)) + { + return error(GL_INVALID_ENUM); + } + break; + case GL_TEXTURE_MAG_FILTER: + if (!texture->setMagFilter((GLenum)param)) + { + return error(GL_INVALID_ENUM); + } + break; + default: + return error(GL_INVALID_ENUM); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glTexParameteriv(GLenum target, GLenum pname, const GLint* params) +{ + glTexParameteri(target, pname, *params); +} + +void __stdcall glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, + GLenum format, GLenum type, const GLvoid* pixels) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " + "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, GLenum type = 0x%X, " + "const GLvoid* pixels = 0x%0.8p)", + target, level, xoffset, yoffset, width, height, format, type, pixels); + + try + { + if (!gl::IsTextureTarget(target)) + { + return error(GL_INVALID_ENUM); + } + + if (level < 0 || level > gl::MAX_TEXTURE_LEVELS || xoffset < 0 || yoffset < 0 || width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + if (std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height) + { + return error(GL_INVALID_VALUE); + } + + if (!gl::CheckTextureFormatType(format, type)) + { + return error(GL_INVALID_ENUM); + } + + if (width == 0 || height == 0 || pixels == NULL) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (target == GL_TEXTURE_2D) + { + gl::Texture2D *texture = context->getTexture2D(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->subImage(level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels); + } + else if (gl::IsCubemapTextureTarget(target)) + { + gl::TextureCubeMap *texture = context->getTextureCubeMap(); + + if (!texture) + { + return error(GL_INVALID_OPERATION); + } + + if (texture->isCompressed()) + { + return error(GL_INVALID_OPERATION); + } + + texture->subImage(target, level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels); + } + else + { + UNREACHABLE(); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform1f(GLint location, GLfloat x) +{ + glUniform1fv(location, 1, &x); +} + +void __stdcall glUniform1fv(GLint location, GLsizei count, const GLfloat* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform1fv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform1i(GLint location, GLint x) +{ + glUniform1iv(location, 1, &x); +} + +void __stdcall glUniform1iv(GLint location, GLsizei count, const GLint* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform1iv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform2f(GLint location, GLfloat x, GLfloat y) +{ + GLfloat xy[2] = {x, y}; + + glUniform2fv(location, 1, (GLfloat*)&xy); +} + +void __stdcall glUniform2fv(GLint location, GLsizei count, const GLfloat* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform2fv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform2i(GLint location, GLint x, GLint y) +{ + GLint xy[4] = {x, y}; + + glUniform2iv(location, 1, (GLint*)&xy); +} + +void __stdcall glUniform2iv(GLint location, GLsizei count, const GLint* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform2iv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z) +{ + GLfloat xyz[3] = {x, y, z}; + + glUniform3fv(location, 1, (GLfloat*)&xyz); +} + +void __stdcall glUniform3fv(GLint location, GLsizei count, const GLfloat* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform3fv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform3i(GLint location, GLint x, GLint y, GLint z) +{ + GLint xyz[3] = {x, y, z}; + + glUniform3iv(location, 1, (GLint*)&xyz); +} + +void __stdcall glUniform3iv(GLint location, GLsizei count, const GLint* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform3iv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GLfloat xyzw[4] = {x, y, z, w}; + + glUniform4fv(location, 1, (GLfloat*)&xyzw); +} + +void __stdcall glUniform4fv(GLint location, GLsizei count, const GLfloat* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform4fv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniform4i(GLint location, GLint x, GLint y, GLint z, GLint w) +{ + GLint xyzw[4] = {x, y, z, w}; + + glUniform4iv(location, 1, (GLint*)&xyzw); +} + +void __stdcall glUniform4iv(GLint location, GLsizei count, const GLint* v) +{ + TRACE("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); + + try + { + if (count < 0) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniform4iv(location, count, v)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + try + { + if (count < 0 || transpose != GL_FALSE) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniformMatrix2fv(location, count, value)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + try + { + if (count < 0 || transpose != GL_FALSE) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniformMatrix3fv(location, count, value)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) +{ + TRACE("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", + location, count, transpose, value); + + try + { + if (count < 0 || transpose != GL_FALSE) + { + return error(GL_INVALID_VALUE); + } + + if (location == -1) + { + return; + } + + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *program = context->getCurrentProgram(); + + if (!program) + { + return error(GL_INVALID_OPERATION); + } + + if (!program->setUniformMatrix4fv(location, count, value)) + { + return error(GL_INVALID_OPERATION); + } + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glUseProgram(GLuint program) +{ + TRACE("(GLuint program = %d)", program); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject && program != 0) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + if (program != 0 && !programObject->isLinked()) + { + return error(GL_INVALID_OPERATION); + } + + context->useProgram(program); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glValidateProgram(GLuint program) +{ + TRACE("(GLuint program = %d)", program); + + try + { + gl::Context *context = gl::getContext(); + + if (context) + { + gl::Program *programObject = context->getProgram(program); + + if (!programObject) + { + if (context->getShader(program)) + { + return error(GL_INVALID_OPERATION); + } + else + { + return error(GL_INVALID_VALUE); + } + } + + programObject->validate(); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib1f(GLuint index, GLfloat x) +{ + TRACE("(GLuint index = %d, GLfloat x = %f)", index, x); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { x, 0, 0, 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib1fv(GLuint index, const GLfloat* values) +{ + TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { values[0], 0, 0, 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib2f(GLuint index, GLfloat x, GLfloat y) +{ + TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { x, y, 0, 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib2fv(GLuint index, const GLfloat* values) +{ + TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { values[0], values[1], 0, 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z) +{ + TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f)", index, x, y, z); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { x, y, z, 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib3fv(GLuint index, const GLfloat* values) +{ + TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { values[0], values[1], values[2], 1 }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + TRACE("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f, GLfloat w = %f)", index, x, y, z, w); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + GLfloat vals[4] = { x, y, z, w }; + context->setVertexAttrib(index, vals); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttrib4fv(GLuint index, const GLfloat* values) +{ + TRACE("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setVertexAttrib(index, values); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr) +{ + TRACE("(GLuint index = %d, GLint size = %d, GLenum type = 0x%X, " + "GLboolean normalized = %d, GLsizei stride = %d, const GLvoid* ptr = 0x%0.8p)", + index, size, type, normalized, stride, ptr); + + try + { + if (index >= gl::MAX_VERTEX_ATTRIBS) + { + return error(GL_INVALID_VALUE); + } + + if (size < 1 || size > 4) + { + return error(GL_INVALID_VALUE); + } + + switch (type) + { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_FIXED: + case GL_FLOAT: + break; + default: + return error(GL_INVALID_ENUM); + } + + if (stride < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setVertexAttribState(index, context->getArrayBuffer(), size, type, (normalized == GL_TRUE), stride, ptr); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glViewport(GLint x, GLint y, GLsizei width, GLsizei height) +{ + TRACE("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); + + try + { + if (width < 0 || height < 0) + { + return error(GL_INVALID_VALUE); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + context->setViewportParams(x, y, width, height); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glBlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter) +{ + TRACE("(GLint srcX0 = %d, GLint srcY0 = %d, GLint srcX1 = %d, GLint srcY1 = %d, " + "GLint dstX0 = %d, GLint dstY0 = %d, GLint dstX1 = %d, GLint dstY1 = %d, " + "GLbitfield mask = 0x%X, GLenum filter = 0x%X)", + srcX0, srcY0, srcX1, srcX1, dstX0, dstY0, dstX1, dstY1, mask, filter); + + try + { + switch (filter) + { + case GL_NEAREST: + break; + default: + return error(GL_INVALID_ENUM); + } + + if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) != 0) + { + return error(GL_INVALID_VALUE); + } + + if (srcX1 - srcX0 != dstX1 - dstX0 || srcY1 - srcY0 != dstY1 - dstY0) + { + ERR("Scaling and flipping in BlitFramebufferANGLE not supported by this implementation"); + return error(GL_INVALID_OPERATION); + } + + gl::Context *context = gl::getContext(); + + if (context) + { + if (context->getReadFramebufferHandle() == context->getDrawFramebufferHandle()) + { + ERR("Blits with the same source and destination framebuffer are not supported by this implementation."); + return error(GL_INVALID_OPERATION); + } + + context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask); + } + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +void __stdcall glTexImage3DOES(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, + GLint border, GLenum format, GLenum type, const GLvoid* pixels) +{ + TRACE("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, " + "GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, GLint border = %d, " + "GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* pixels = 0x%0.8p)", + target, level, internalformat, width, height, depth, border, format, type, pixels); + + try + { + UNIMPLEMENTED(); // FIXME + } + catch(std::bad_alloc&) + { + return error(GL_OUT_OF_MEMORY); + } +} + +__eglMustCastToProperFunctionPointerType __stdcall glGetProcAddress(const char *procname) +{ + struct Extension + { + const char *name; + __eglMustCastToProperFunctionPointerType address; + }; + + static const Extension glExtensions[] = + { + {"glTexImage3DOES", (__eglMustCastToProperFunctionPointerType)glTexImage3DOES}, + {"glBlitFramebufferANGLE", (__eglMustCastToProperFunctionPointerType)glBlitFramebufferANGLE}, + }; + + for (int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++) + { + if (strcmp(procname, glExtensions[ext].name) == 0) + { + return (__eglMustCastToProperFunctionPointerType)glExtensions[ext].address; + } + } + + return NULL; +} + +} |