diff options
Diffstat (limited to 'WebCore/platform/graphics/mac/GraphicsContext3DMac.mm')
| -rw-r--r-- | WebCore/platform/graphics/mac/GraphicsContext3DMac.mm | 1429 |
1 files changed, 15 insertions, 1414 deletions
diff --git a/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm b/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm index 54b261c..a4919d8 100644 --- a/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm +++ b/WebCore/platform/graphics/mac/GraphicsContext3DMac.mm @@ -31,21 +31,22 @@ #import "BlockExceptions.h" +#include "ANGLE/ShaderLang.h" #include "ArrayBuffer.h" #include "ArrayBufferView.h" -#include "WebGLObject.h" #include "CanvasRenderingContext.h" +#include <CoreGraphics/CGBitmapContext.h> #include "Float32Array.h" #include "GraphicsContext.h" #include "HTMLCanvasElement.h" #include "ImageBuffer.h" #include "Int32Array.h" #include "NotImplemented.h" -#include "Uint8Array.h" -#include "WebGLLayer.h" -#include <CoreGraphics/CGBitmapContext.h> #include <OpenGL/CGLRenderers.h> #include <OpenGL/gl.h> +#include "Uint8Array.h" +#include "WebGLLayer.h" +#include "WebGLObject.h" #include <wtf/UnusedParam.h> #include <wtf/text/CString.h> @@ -76,13 +77,16 @@ static void setPixelFormat(Vector<CGLPixelFormatAttribute>& attribs, int colorBi attribs.append(static_cast<CGLPixelFormatAttribute>(0)); } -PassOwnPtr<GraphicsContext3D> GraphicsContext3D::create(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow) +PassOwnPtr<GraphicsContext3D> GraphicsContext3D::create(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow, GraphicsContext3D::RenderStyle renderStyle) { - OwnPtr<GraphicsContext3D> context(new GraphicsContext3D(attrs, hostWindow)); + // This implementation doesn't currently support rendering directly to the HostWindow. + if (renderStyle == RenderDirectlyToHostWindow) + return 0; + OwnPtr<GraphicsContext3D> context(new GraphicsContext3D(attrs, hostWindow, false)); return context->m_contextObj ? context.release() : 0; } -GraphicsContext3D::GraphicsContext3D(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow) +GraphicsContext3D::GraphicsContext3D(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow, bool) : m_currentWidth(0) , m_currentHeight(0) , m_attrs(attrs) @@ -229,81 +233,14 @@ GraphicsContext3D::~GraphicsContext3D() } } -void GraphicsContext3D::validateAttributes() -{ - const char* extensions = reinterpret_cast<const char*>(::glGetString(GL_EXTENSIONS)); - if (m_attrs.stencil) { - if (std::strstr(extensions, "GL_EXT_packed_depth_stencil")) { - if (!m_attrs.depth) - m_attrs.depth = true; - } else - m_attrs.stencil = false; - } - if (m_attrs.antialias) { - bool isValidVendor = true; - // Currently in Mac we only turn on antialias if vendor is NVIDIA. - const char* vendor = reinterpret_cast<const char*>(::glGetString(GL_VENDOR)); - if (!std::strstr(vendor, "NVIDIA")) - isValidVendor = false; - if (!isValidVendor || !std::strstr(extensions, "GL_EXT_framebuffer_multisample")) - m_attrs.antialias = false; - } - // FIXME: instead of enforcing premultipliedAlpha = true, implement the - // correct behavior when premultipliedAlpha = false is requested. - m_attrs.premultipliedAlpha = true; -} - void GraphicsContext3D::makeContextCurrent() { - CGLSetCurrentContext(m_contextObj); -} - -void GraphicsContext3D::paintRenderingResultsToCanvas(CanvasRenderingContext* context) -{ - HTMLCanvasElement* canvas = context->canvas(); - ImageBuffer* imageBuffer = canvas->buffer(); - - int rowBytes = m_currentWidth * 4; - int totalBytes = rowBytes * m_currentHeight; - - OwnArrayPtr<unsigned char> pixels(new unsigned char[totalBytes]); - if (!pixels) + if (!m_contextObj) return; - CGLSetCurrentContext(m_contextObj); - - bool mustRestoreFBO = false; - if (m_attrs.antialias) { - ::glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, m_multisampleFBO); - ::glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_fbo); - ::glBlitFramebufferEXT(0, 0, m_currentWidth, m_currentHeight, 0, 0, m_currentWidth, m_currentHeight, GL_COLOR_BUFFER_BIT, GL_LINEAR); - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - mustRestoreFBO = true; - } else { - if (m_boundFBO != m_fbo) { - mustRestoreFBO = true; - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - } - } - - GLint packAlignment = 4; - bool mustRestorePackAlignment = false; - ::glGetIntegerv(GL_PACK_ALIGNMENT, &packAlignment); - if (packAlignment > 4) { - ::glPixelStorei(GL_PACK_ALIGNMENT, 4); - mustRestorePackAlignment = true; - } - - ::glReadPixels(0, 0, m_currentWidth, m_currentHeight, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, pixels.get()); - - if (mustRestorePackAlignment) - ::glPixelStorei(GL_PACK_ALIGNMENT, packAlignment); - - if (mustRestoreFBO) - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_boundFBO); - - paintToCanvas(pixels.get(), m_currentWidth, m_currentHeight, - canvas->width(), canvas->height(), imageBuffer->context()->platformContext()); + CGLContextObj currentContext = CGLGetCurrentContext(); + if (currentContext != m_contextObj) + CGLSetCurrentContext(m_contextObj); } bool GraphicsContext3D::isGLES2Compliant() const @@ -320,1343 +257,7 @@ bool GraphicsContext3D::isErrorGeneratedOnOutOfBoundsAccesses() const { return false; } - -void GraphicsContext3D::reshape(int width, int height) -{ - if (width == m_currentWidth && height == m_currentHeight || !m_contextObj) - return; - - m_currentWidth = width; - m_currentHeight = height; - - CGLSetCurrentContext(m_contextObj); - - GLuint internalColorFormat, colorFormat, internalDepthStencilFormat = 0; - if (m_attrs.alpha) { - internalColorFormat = GL_RGBA8; - colorFormat = GL_RGBA; - } else { - internalColorFormat = GL_RGB8; - colorFormat = GL_RGB; - } - if (m_attrs.stencil || m_attrs.depth) { - // We don't allow the logic where stencil is required and depth is not. - // See GraphicsContext3D constructor. - if (m_attrs.stencil && m_attrs.depth) - internalDepthStencilFormat = GL_DEPTH24_STENCIL8_EXT; - else - internalDepthStencilFormat = GL_DEPTH_COMPONENT; - } - - bool mustRestoreFBO = false; - - // resize multisample FBO - if (m_attrs.antialias) { - GLint maxSampleCount; - ::glGetIntegerv(GL_MAX_SAMPLES_EXT, &maxSampleCount); - GLint sampleCount = std::min(8, maxSampleCount); - if (sampleCount > maxSampleCount) - sampleCount = maxSampleCount; - if (m_boundFBO != m_multisampleFBO) { - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_multisampleFBO); - mustRestoreFBO = true; - } - ::glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_multisampleColorBuffer); - ::glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, sampleCount, internalColorFormat, width, height); - ::glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, m_multisampleColorBuffer); - if (m_attrs.stencil || m_attrs.depth) { - ::glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_multisampleDepthStencilBuffer); - ::glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, sampleCount, internalDepthStencilFormat, width, height); - if (m_attrs.stencil) - ::glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_multisampleDepthStencilBuffer); - if (m_attrs.depth) - ::glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_multisampleDepthStencilBuffer); - } - ::glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0); - if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) { - // FIXME: cleanup. - notImplemented(); - } - } - - // resize regular FBO - if (m_boundFBO != m_fbo) { - mustRestoreFBO = true; - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - } - ::glBindTexture(GL_TEXTURE_2D, m_texture); - ::glTexImage2D(GL_TEXTURE_2D, 0, internalColorFormat, width, height, 0, colorFormat, GL_UNSIGNED_BYTE, 0); - ::glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_2D, m_texture, 0); - ::glBindTexture(GL_TEXTURE_2D, 0); - if (!m_attrs.antialias && (m_attrs.stencil || m_attrs.depth)) { - ::glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, m_depthStencilBuffer); - ::glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, internalDepthStencilFormat, width, height); - if (m_attrs.stencil) - ::glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_STENCIL_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_depthStencilBuffer); - if (m_attrs.depth) - ::glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, m_depthStencilBuffer); - ::glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0); - } - if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT) { - // FIXME: cleanup - notImplemented(); - } - - if (m_attrs.antialias) { - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_multisampleFBO); - if (m_boundFBO == m_multisampleFBO) - mustRestoreFBO = false; - } - - // Initialize renderbuffers to 0. - GLboolean colorMask[] = {GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE}, depthMask = GL_TRUE, stencilMask = GL_TRUE; - GLboolean isScissorEnabled = GL_FALSE; - GLboolean isDitherEnabled = GL_FALSE; - GLbitfield clearMask = GL_COLOR_BUFFER_BIT; - ::glGetBooleanv(GL_COLOR_WRITEMASK, colorMask); - ::glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - if (m_attrs.depth) { - ::glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask); - ::glDepthMask(GL_TRUE); - clearMask |= GL_DEPTH_BUFFER_BIT; - } - if (m_attrs.stencil) { - ::glGetBooleanv(GL_STENCIL_WRITEMASK, &stencilMask); - ::glStencilMask(GL_TRUE); - clearMask |= GL_STENCIL_BUFFER_BIT; - } - isScissorEnabled = ::glIsEnabled(GL_SCISSOR_TEST); - ::glDisable(GL_SCISSOR_TEST); - isDitherEnabled = ::glIsEnabled(GL_DITHER); - ::glDisable(GL_DITHER); - - ::glClear(clearMask); - - ::glColorMask(colorMask[0], colorMask[1], colorMask[2], colorMask[3]); - if (m_attrs.depth) - ::glDepthMask(depthMask); - if (m_attrs.stencil) - ::glStencilMask(stencilMask); - if (isScissorEnabled) - ::glEnable(GL_SCISSOR_TEST); - else - ::glDisable(GL_SCISSOR_TEST); - if (isDitherEnabled) - ::glEnable(GL_DITHER); - else - ::glDisable(GL_DITHER); - - if (mustRestoreFBO) - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_boundFBO); - - ::glFlush(); -} - -static inline void ensureContext(CGLContextObj context) -{ - if (!context) - return; - - CGLContextObj currentContext = CGLGetCurrentContext(); - if (currentContext != context) - CGLSetCurrentContext(context); -} - -void GraphicsContext3D::prepareTexture() -{ - ensureContext(m_contextObj); - if (m_attrs.antialias) { - ::glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, m_multisampleFBO); - ::glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_fbo); - ::glBlitFramebufferEXT(0, 0, m_currentWidth, m_currentHeight, 0, 0, m_currentWidth, m_currentHeight, GL_COLOR_BUFFER_BIT, GL_LINEAR); - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_boundFBO); - } - ::glFinish(); -} - -void GraphicsContext3D::activeTexture(unsigned long texture) -{ - ensureContext(m_contextObj); - ::glActiveTexture(texture); -} - -void GraphicsContext3D::attachShader(Platform3DObject program, Platform3DObject shader) -{ - ASSERT(program); - ASSERT(shader); - ensureContext(m_contextObj); - ::glAttachShader((GLuint) program, (GLuint) shader); -} - -void GraphicsContext3D::bindAttribLocation(Platform3DObject program, unsigned long index, const String& name) -{ - ASSERT(program); - ensureContext(m_contextObj); - ::glBindAttribLocation((GLuint) program, index, name.utf8().data()); -} - -void GraphicsContext3D::bindBuffer(unsigned long target, Platform3DObject buffer) -{ - ensureContext(m_contextObj); - ::glBindBuffer(target, (GLuint) buffer); -} - - -void GraphicsContext3D::bindFramebuffer(unsigned long target, Platform3DObject buffer) -{ - ensureContext(m_contextObj); - GLuint fbo; - if (buffer) - fbo = (GLuint)buffer; - else - fbo = (m_attrs.antialias ? m_multisampleFBO : m_fbo); - if (fbo != m_boundFBO) { - ::glBindFramebufferEXT(target, fbo); - m_boundFBO = fbo; - } -} - -void GraphicsContext3D::bindRenderbuffer(unsigned long target, Platform3DObject renderbuffer) -{ - ensureContext(m_contextObj); - ::glBindRenderbufferEXT(target, (GLuint) renderbuffer); -} - - -void GraphicsContext3D::bindTexture(unsigned long target, Platform3DObject texture) -{ - ensureContext(m_contextObj); - ::glBindTexture(target, (GLuint) texture); -} - -void GraphicsContext3D::blendColor(double red, double green, double blue, double alpha) -{ - ensureContext(m_contextObj); - ::glBlendColor(static_cast<float>(red), static_cast<float>(green), static_cast<float>(blue), static_cast<float>(alpha)); -} - -void GraphicsContext3D::blendEquation( unsigned long mode ) -{ - ensureContext(m_contextObj); - ::glBlendEquation(mode); -} - -void GraphicsContext3D::blendEquationSeparate(unsigned long modeRGB, unsigned long modeAlpha) -{ - ensureContext(m_contextObj); - ::glBlendEquationSeparate(modeRGB, modeAlpha); -} - - -void GraphicsContext3D::blendFunc(unsigned long sfactor, unsigned long dfactor) -{ - ensureContext(m_contextObj); - ::glBlendFunc(sfactor, dfactor); -} - -void GraphicsContext3D::blendFuncSeparate(unsigned long srcRGB, unsigned long dstRGB, unsigned long srcAlpha, unsigned long dstAlpha) -{ - ensureContext(m_contextObj); - ::glBlendFuncSeparate(srcRGB, dstRGB, srcAlpha, dstAlpha); -} - -void GraphicsContext3D::bufferData(unsigned long target, int size, unsigned long usage) -{ - ensureContext(m_contextObj); - ::glBufferData(target, size, 0, usage); -} - -void GraphicsContext3D::bufferData(unsigned long target, int size, const void* data, unsigned long usage) -{ - ensureContext(m_contextObj); - ::glBufferData(target, size, data, usage); -} - -void GraphicsContext3D::bufferSubData(unsigned long target, long offset, int size, const void* data) -{ - ensureContext(m_contextObj); - ::glBufferSubData(target, offset, size, data); -} - -unsigned long GraphicsContext3D::checkFramebufferStatus(unsigned long target) -{ - ensureContext(m_contextObj); - return ::glCheckFramebufferStatusEXT(target); -} - -void GraphicsContext3D::clearColor(double r, double g, double b, double a) -{ - ensureContext(m_contextObj); - ::glClearColor(static_cast<float>(r), static_cast<float>(g), static_cast<float>(b), static_cast<float>(a)); -} - -void GraphicsContext3D::clear(unsigned long mask) -{ - ensureContext(m_contextObj); - ::glClear(mask); -} - -void GraphicsContext3D::clearDepth(double depth) -{ - ensureContext(m_contextObj); - ::glClearDepth(depth); -} - -void GraphicsContext3D::clearStencil(long s) -{ - ensureContext(m_contextObj); - ::glClearStencil(s); -} - -void GraphicsContext3D::colorMask(bool red, bool green, bool blue, bool alpha) -{ - ensureContext(m_contextObj); - ::glColorMask(red, green, blue, alpha); -} - -void GraphicsContext3D::compileShader(Platform3DObject shader) -{ - ASSERT(shader); - ensureContext(m_contextObj); - - int GLshaderType; - ANGLEShaderType shaderType; - - glGetShaderiv(shader, SHADER_TYPE, &GLshaderType); - - if (GLshaderType == VERTEX_SHADER) - shaderType = SHADER_TYPE_VERTEX; - else if (GLshaderType == FRAGMENT_SHADER) - shaderType = SHADER_TYPE_FRAGMENT; - else - return; // Invalid shader type. - - HashMap<Platform3DObject, ShaderSourceEntry>::iterator result = m_shaderSourceMap.find(shader); - - if (result == m_shaderSourceMap.end()) - return; - - ShaderSourceEntry& entry = result->second; - - String translatedShaderSource; - String shaderInfoLog; - - bool isValid = m_compiler.validateShaderSource(entry.source.utf8().data(), shaderType, translatedShaderSource, shaderInfoLog); - - entry.log = shaderInfoLog; - entry.isValid = isValid; - - if (!isValid) - return; // Shader didn't validate, don't move forward with compiling translated source - - int translatedShaderLength = translatedShaderSource.length(); - - const CString& translatedShaderCString = translatedShaderSource.utf8(); - const char* translatedShaderPtr = translatedShaderCString.data(); - - ::glShaderSource((GLuint) shader, 1, &translatedShaderPtr, &translatedShaderLength); - - ::glCompileShader((GLuint) shader); - - int GLCompileSuccess; - - ::glGetShaderiv((GLuint) shader, COMPILE_STATUS, &GLCompileSuccess); - - // ASSERT that ANGLE generated GLSL will be accepted by OpenGL - ASSERT(GLCompileSuccess == GL_TRUE); -} - -void GraphicsContext3D::copyTexImage2D(unsigned long target, long level, unsigned long internalformat, long x, long y, unsigned long width, unsigned long height, long border) -{ - ensureContext(m_contextObj); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) { - ::glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, m_multisampleFBO); - ::glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_fbo); - ::glBlitFramebufferEXT(x, y, x + width, y + height, x, y, x + width, y + height, GL_COLOR_BUFFER_BIT, GL_LINEAR); - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - } - ::glCopyTexImage2D(target, level, internalformat, x, y, width, height, border); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_multisampleFBO); -} - -void GraphicsContext3D::copyTexSubImage2D(unsigned long target, long level, long xoffset, long yoffset, long x, long y, unsigned long width, unsigned long height) -{ - ensureContext(m_contextObj); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) { - ::glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, m_multisampleFBO); - ::glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_fbo); - ::glBlitFramebufferEXT(x, y, x + width, y + height, x, y, x + width, y + height, GL_COLOR_BUFFER_BIT, GL_LINEAR); - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - } - ::glCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_multisampleFBO); -} - -void GraphicsContext3D::cullFace(unsigned long mode) -{ - ensureContext(m_contextObj); - ::glCullFace(mode); -} - -void GraphicsContext3D::depthFunc(unsigned long func) -{ - ensureContext(m_contextObj); - ::glDepthFunc(func); -} - -void GraphicsContext3D::depthMask(bool flag) -{ - ensureContext(m_contextObj); - ::glDepthMask(flag); -} - -void GraphicsContext3D::depthRange(double zNear, double zFar) -{ - ensureContext(m_contextObj); - ::glDepthRange(zNear, zFar); -} - -void GraphicsContext3D::detachShader(Platform3DObject program, Platform3DObject shader) -{ - ASSERT(program); - ASSERT(shader); - ensureContext(m_contextObj); - ::glDetachShader((GLuint) program, (GLuint) shader); -} - -void GraphicsContext3D::disable(unsigned long cap) -{ - ensureContext(m_contextObj); - ::glDisable(cap); -} - -void GraphicsContext3D::disableVertexAttribArray(unsigned long index) -{ - ensureContext(m_contextObj); - ::glDisableVertexAttribArray(index); -} - -void GraphicsContext3D::drawArrays(unsigned long mode, long first, long count) -{ - ensureContext(m_contextObj); - ::glDrawArrays(mode, first, count); -} - -void GraphicsContext3D::drawElements(unsigned long mode, unsigned long count, unsigned long type, long offset) -{ - ensureContext(m_contextObj); - ::glDrawElements(mode, count, type, reinterpret_cast<void*>(static_cast<intptr_t>(offset))); -} - -void GraphicsContext3D::enable(unsigned long cap) -{ - ensureContext(m_contextObj); - ::glEnable(cap); -} - -void GraphicsContext3D::enableVertexAttribArray(unsigned long index) -{ - ensureContext(m_contextObj); - ::glEnableVertexAttribArray(index); -} - -void GraphicsContext3D::finish() -{ - ensureContext(m_contextObj); - ::glFinish(); -} - -void GraphicsContext3D::flush() -{ - ensureContext(m_contextObj); - ::glFlush(); -} - -void GraphicsContext3D::framebufferRenderbuffer(unsigned long target, unsigned long attachment, unsigned long renderbuffertarget, Platform3DObject buffer) -{ - ensureContext(m_contextObj); - GLuint renderbuffer = (GLuint) buffer; - if (attachment == DEPTH_STENCIL_ATTACHMENT) { - ::glFramebufferRenderbufferEXT(target, DEPTH_ATTACHMENT, renderbuffertarget, renderbuffer); - ::glFramebufferRenderbufferEXT(target, STENCIL_ATTACHMENT, renderbuffertarget, renderbuffer); - } else - ::glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget, renderbuffer); -} - -void GraphicsContext3D::framebufferTexture2D(unsigned long target, unsigned long attachment, unsigned long textarget, Platform3DObject texture, long level) -{ - ensureContext(m_contextObj); - ::glFramebufferTexture2DEXT(target, attachment, textarget, (GLuint) texture, level); -} - -void GraphicsContext3D::frontFace(unsigned long mode) -{ - ensureContext(m_contextObj); - ::glFrontFace(mode); -} - -void GraphicsContext3D::generateMipmap(unsigned long target) -{ - ensureContext(m_contextObj); - ::glGenerateMipmapEXT(target); -} - -bool GraphicsContext3D::getActiveAttrib(Platform3DObject program, unsigned long index, ActiveInfo& info) -{ - if (!program) { - synthesizeGLError(INVALID_VALUE); - return false; - } - ensureContext(m_contextObj); - GLint maxAttributeSize = 0; - ::glGetProgramiv(static_cast<GLuint>(program), GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &maxAttributeSize); - GLchar name[maxAttributeSize]; // GL_ACTIVE_ATTRIBUTE_MAX_LENGTH includes null termination - GLsizei nameLength = 0; - GLint size = 0; - GLenum type = 0; - ::glGetActiveAttrib(static_cast<GLuint>(program), index, maxAttributeSize, &nameLength, &size, &type, name); - if (!nameLength) - return false; - info.name = String(name, nameLength); - info.type = type; - info.size = size; - return true; -} - -bool GraphicsContext3D::getActiveUniform(Platform3DObject program, unsigned long index, ActiveInfo& info) -{ - if (!program) { - synthesizeGLError(INVALID_VALUE); - return false; - } - ensureContext(m_contextObj); - GLint maxUniformSize = 0; - ::glGetProgramiv(static_cast<GLuint>(program), GL_ACTIVE_UNIFORM_MAX_LENGTH, &maxUniformSize); - GLchar name[maxUniformSize]; // GL_ACTIVE_UNIFORM_MAX_LENGTH includes null termination - GLsizei nameLength = 0; - GLint size = 0; - GLenum type = 0; - ::glGetActiveUniform(static_cast<GLuint>(program), index, maxUniformSize, &nameLength, &size, &type, name); - if (!nameLength) - return false; - info.name = String(name, nameLength); - info.type = type; - info.size = size; - return true; -} - -void GraphicsContext3D::getAttachedShaders(Platform3DObject program, int maxCount, int* count, unsigned int* shaders) -{ - if (!program) { - synthesizeGLError(INVALID_VALUE); - return; - } - ensureContext(m_contextObj); - ::glGetAttachedShaders(static_cast<GLuint>(program), maxCount, count, shaders); -} - -int GraphicsContext3D::getAttribLocation(Platform3DObject program, const String& name) -{ - if (!program) - return -1; - - ensureContext(m_contextObj); - return ::glGetAttribLocation((GLuint) program, name.utf8().data()); -} - -GraphicsContext3D::Attributes GraphicsContext3D::getContextAttributes() -{ - return m_attrs; -} - -unsigned long GraphicsContext3D::getError() -{ - if (m_syntheticErrors.size() > 0) { - ListHashSet<unsigned long>::iterator iter = m_syntheticErrors.begin(); - unsigned long err = *iter; - m_syntheticErrors.remove(iter); - return err; - } - - ensureContext(m_contextObj); - return ::glGetError(); -} - -String GraphicsContext3D::getString(unsigned long name) -{ - ensureContext(m_contextObj); - return String((const char*) ::glGetString(name)); -} - -void GraphicsContext3D::hint(unsigned long target, unsigned long mode) -{ - ensureContext(m_contextObj); - ::glHint(target, mode); -} - -bool GraphicsContext3D::isBuffer(Platform3DObject buffer) -{ - if (!buffer) - return false; - - ensureContext(m_contextObj); - return ::glIsBuffer((GLuint) buffer); -} - -bool GraphicsContext3D::isEnabled(unsigned long cap) -{ - ensureContext(m_contextObj); - return ::glIsEnabled(cap); -} - -bool GraphicsContext3D::isFramebuffer(Platform3DObject framebuffer) -{ - if (!framebuffer) - return false; - - ensureContext(m_contextObj); - return ::glIsFramebufferEXT((GLuint) framebuffer); -} - -bool GraphicsContext3D::isProgram(Platform3DObject program) -{ - if (!program) - return false; - - ensureContext(m_contextObj); - return ::glIsProgram((GLuint) program); -} - -bool GraphicsContext3D::isRenderbuffer(Platform3DObject renderbuffer) -{ - if (!renderbuffer) - return false; - - ensureContext(m_contextObj); - return ::glIsRenderbufferEXT((GLuint) renderbuffer); -} - -bool GraphicsContext3D::isShader(Platform3DObject shader) -{ - if (!shader) - return false; - - ensureContext(m_contextObj); - return ::glIsShader((GLuint) shader); -} - -bool GraphicsContext3D::isTexture(Platform3DObject texture) -{ - if (!texture) - return false; - - ensureContext(m_contextObj); - return ::glIsTexture((GLuint) texture); -} - -void GraphicsContext3D::lineWidth(double width) -{ - ensureContext(m_contextObj); - ::glLineWidth(static_cast<float>(width)); -} - -void GraphicsContext3D::linkProgram(Platform3DObject program) -{ - ASSERT(program); - ensureContext(m_contextObj); - ::glLinkProgram((GLuint) program); -} - -void GraphicsContext3D::pixelStorei(unsigned long pname, long param) -{ - ensureContext(m_contextObj); - ::glPixelStorei(pname, param); -} - -void GraphicsContext3D::polygonOffset(double factor, double units) -{ - ensureContext(m_contextObj); - ::glPolygonOffset(static_cast<float>(factor), static_cast<float>(units)); -} - -void GraphicsContext3D::readPixels(long x, long y, unsigned long width, unsigned long height, unsigned long format, unsigned long type, void* data) -{ - // FIXME: remove the two glFlush calls when the driver bug is fixed, i.e., - // all previous rendering calls should be done before reading pixels. - ensureContext(m_contextObj); - ::glFlush(); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) { - ::glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, m_multisampleFBO); - ::glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, m_fbo); - ::glBlitFramebufferEXT(x, y, x + width, y + height, x, y, x + width, y + height, GL_COLOR_BUFFER_BIT, GL_LINEAR); - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_fbo); - ::glFlush(); - } - ::glReadPixels(x, y, width, height, format, type, data); - if (m_attrs.antialias && m_boundFBO == m_multisampleFBO) - ::glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_multisampleFBO); -} - -void GraphicsContext3D::releaseShaderCompiler() -{ - // FIXME: This is not implemented on desktop OpenGL. We need to have ifdefs for the different GL variants - ensureContext(m_contextObj); - //::glReleaseShaderCompiler(); -} - -void GraphicsContext3D::renderbufferStorage(unsigned long target, unsigned long internalformat, unsigned long width, unsigned long height) -{ - ensureContext(m_contextObj); - switch (internalformat) { - case DEPTH_STENCIL: - internalformat = GL_DEPTH24_STENCIL8_EXT; - break; - case DEPTH_COMPONENT16: - internalformat = GL_DEPTH_COMPONENT; - break; - case RGBA4: - case RGB5_A1: - internalformat = GL_RGBA; - break; - case RGB565: - internalformat = GL_RGB; - break; - } - ::glRenderbufferStorageEXT(target, internalformat, width, height); -} - -void GraphicsContext3D::sampleCoverage(double value, bool invert) -{ - ensureContext(m_contextObj); - ::glSampleCoverage(static_cast<float>(value), invert); -} - -void GraphicsContext3D::scissor(long x, long y, unsigned long width, unsigned long height) -{ - ensureContext(m_contextObj); - ::glScissor(x, y, width, height); -} - -void GraphicsContext3D::shaderSource(Platform3DObject shader, const String& string) -{ - ASSERT(shader); - - ensureContext(m_contextObj); - - ShaderSourceEntry entry; - - entry.source = string; - - m_shaderSourceMap.set(shader, entry); -} - -void GraphicsContext3D::stencilFunc(unsigned long func, long ref, unsigned long mask) -{ - ensureContext(m_contextObj); - ::glStencilFunc(func, ref, mask); -} - -void GraphicsContext3D::stencilFuncSeparate(unsigned long face, unsigned long func, long ref, unsigned long mask) -{ - ensureContext(m_contextObj); - ::glStencilFuncSeparate(face, func, ref, mask); -} - -void GraphicsContext3D::stencilMask(unsigned long mask) -{ - ensureContext(m_contextObj); - ::glStencilMask(mask); -} - -void GraphicsContext3D::stencilMaskSeparate(unsigned long face, unsigned long mask) -{ - ensureContext(m_contextObj); - ::glStencilMaskSeparate(face, mask); -} - -void GraphicsContext3D::stencilOp(unsigned long fail, unsigned long zfail, unsigned long zpass) -{ - ensureContext(m_contextObj); - ::glStencilOp(fail, zfail, zpass); -} - -void GraphicsContext3D::stencilOpSeparate(unsigned long face, unsigned long fail, unsigned long zfail, unsigned long zpass) -{ - ensureContext(m_contextObj); - ::glStencilOpSeparate(face, fail, zfail, zpass); -} - -void GraphicsContext3D::texParameterf(unsigned target, unsigned pname, float value) -{ - ensureContext(m_contextObj); - ::glTexParameterf(target, pname, static_cast<float>(value)); -} - -void GraphicsContext3D::texParameteri(unsigned target, unsigned pname, int value) -{ - ensureContext(m_contextObj); - ::glTexParameteri(target, pname, static_cast<float>(value)); -} - -void GraphicsContext3D::uniform1f(long location, float v0) -{ - ensureContext(m_contextObj); - ::glUniform1f(location, v0); -} - -void GraphicsContext3D::uniform1fv(long location, float* array, int size) -{ - ensureContext(m_contextObj); - ::glUniform1fv(location, size, array); -} - -void GraphicsContext3D::uniform2f(long location, float v0, float v1) -{ - ensureContext(m_contextObj); - ::glUniform2f(location, v0, v1); -} - -void GraphicsContext3D::uniform2fv(long location, float* array, int size) -{ - // FIXME: length needs to be a multiple of 2 - ensureContext(m_contextObj); - ::glUniform2fv(location, size, array); -} - -void GraphicsContext3D::uniform3f(long location, float v0, float v1, float v2) -{ - ensureContext(m_contextObj); - ::glUniform3f(location, v0, v1, v2); -} - -void GraphicsContext3D::uniform3fv(long location, float* array, int size) -{ - // FIXME: length needs to be a multiple of 3 - ensureContext(m_contextObj); - ::glUniform3fv(location, size, array); -} - -void GraphicsContext3D::uniform4f(long location, float v0, float v1, float v2, float v3) -{ - ensureContext(m_contextObj); - ::glUniform4f(location, v0, v1, v2, v3); -} - -void GraphicsContext3D::uniform4fv(long location, float* array, int size) -{ - // FIXME: length needs to be a multiple of 4 - ensureContext(m_contextObj); - ::glUniform4fv(location, size, array); -} - -void GraphicsContext3D::uniform1i(long location, int v0) -{ - ensureContext(m_contextObj); - ::glUniform1i(location, v0); -} - -void GraphicsContext3D::uniform1iv(long location, int* array, int size) -{ - ensureContext(m_contextObj); - ::glUniform1iv(location, size, array); -} - -void GraphicsContext3D::uniform2i(long location, int v0, int v1) -{ - ensureContext(m_contextObj); - ::glUniform2i(location, v0, v1); -} - -void GraphicsContext3D::uniform2iv(long location, int* array, int size) -{ - // FIXME: length needs to be a multiple of 2 - ensureContext(m_contextObj); - ::glUniform2iv(location, size, array); -} - -void GraphicsContext3D::uniform3i(long location, int v0, int v1, int v2) -{ - ensureContext(m_contextObj); - ::glUniform3i(location, v0, v1, v2); -} - -void GraphicsContext3D::uniform3iv(long location, int* array, int size) -{ - // FIXME: length needs to be a multiple of 3 - ensureContext(m_contextObj); - ::glUniform3iv(location, size, array); -} - -void GraphicsContext3D::uniform4i(long location, int v0, int v1, int v2, int v3) -{ - ensureContext(m_contextObj); - ::glUniform4i(location, v0, v1, v2, v3); -} - -void GraphicsContext3D::uniform4iv(long location, int* array, int size) -{ - // FIXME: length needs to be a multiple of 4 - ensureContext(m_contextObj); - ::glUniform4iv(location, size, array); -} - -void GraphicsContext3D::uniformMatrix2fv(long location, bool transpose, float* array, int size) -{ - // FIXME: length needs to be a multiple of 4 - ensureContext(m_contextObj); - ::glUniformMatrix2fv(location, size, transpose, array); -} - -void GraphicsContext3D::uniformMatrix3fv(long location, bool transpose, float* array, int size) -{ - // FIXME: length needs to be a multiple of 9 - ensureContext(m_contextObj); - ::glUniformMatrix3fv(location, size, transpose, array); -} - -void GraphicsContext3D::uniformMatrix4fv(long location, bool transpose, float* array, int size) -{ - // FIXME: length needs to be a multiple of 16 - ensureContext(m_contextObj); - ::glUniformMatrix4fv(location, size, transpose, array); -} - -void GraphicsContext3D::useProgram(Platform3DObject program) -{ - ensureContext(m_contextObj); - ::glUseProgram((GLuint) program); -} - -void GraphicsContext3D::validateProgram(Platform3DObject program) -{ - ASSERT(program); - ensureContext(m_contextObj); - ::glValidateProgram((GLuint) program); -} - -void GraphicsContext3D::vertexAttrib1f(unsigned long indx, float v0) -{ - ensureContext(m_contextObj); - ::glVertexAttrib1f(indx, v0); -} - -void GraphicsContext3D::vertexAttrib1fv(unsigned long indx, float* array) -{ - ensureContext(m_contextObj); - ::glVertexAttrib1fv(indx, array); -} - -void GraphicsContext3D::vertexAttrib2f(unsigned long indx, float v0, float v1) -{ - ensureContext(m_contextObj); - ::glVertexAttrib2f(indx, v0, v1); -} - -void GraphicsContext3D::vertexAttrib2fv(unsigned long indx, float* array) -{ - ensureContext(m_contextObj); - ::glVertexAttrib2fv(indx, array); -} - -void GraphicsContext3D::vertexAttrib3f(unsigned long indx, float v0, float v1, float v2) -{ - ensureContext(m_contextObj); - ::glVertexAttrib3f(indx, v0, v1, v2); -} - -void GraphicsContext3D::vertexAttrib3fv(unsigned long indx, float* array) -{ - ensureContext(m_contextObj); - ::glVertexAttrib3fv(indx, array); -} - -void GraphicsContext3D::vertexAttrib4f(unsigned long indx, float v0, float v1, float v2, float v3) -{ - ensureContext(m_contextObj); - ::glVertexAttrib4f(indx, v0, v1, v2, v3); -} - -void GraphicsContext3D::vertexAttrib4fv(unsigned long indx, float* array) -{ - ensureContext(m_contextObj); - ::glVertexAttrib4fv(indx, array); -} - -void GraphicsContext3D::vertexAttribPointer(unsigned long indx, int size, int type, bool normalized, unsigned long stride, unsigned long offset) -{ - ensureContext(m_contextObj); - ::glVertexAttribPointer(indx, size, type, normalized, stride, reinterpret_cast<void*>(static_cast<intptr_t>(offset))); -} - -void GraphicsContext3D::viewport(long x, long y, unsigned long width, unsigned long height) -{ - ensureContext(m_contextObj); - ::glViewport(static_cast<GLint>(x), static_cast<GLint>(y), static_cast<GLsizei>(width), static_cast<GLsizei>(height)); -} - -void GraphicsContext3D::getBooleanv(unsigned long pname, unsigned char* value) -{ - ensureContext(m_contextObj); - ::glGetBooleanv(pname, value); -} - -void GraphicsContext3D::getBufferParameteriv(unsigned long target, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - ::glGetBufferParameteriv(target, pname, value); -} - -void GraphicsContext3D::getFloatv(unsigned long pname, float* value) -{ - ensureContext(m_contextObj); - ::glGetFloatv(pname, value); -} - -void GraphicsContext3D::getFramebufferAttachmentParameteriv(unsigned long target, unsigned long attachment, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - if (attachment == DEPTH_STENCIL_ATTACHMENT) - attachment = DEPTH_ATTACHMENT; // Or STENCIL_ATTACHMENT, either works. - ::glGetFramebufferAttachmentParameterivEXT(target, attachment, pname, value); -} - -void GraphicsContext3D::getIntegerv(unsigned long pname, int* value) -{ - // Need to emulate IMPLEMENTATION_COLOR_READ_FORMAT/TYPE for GL. Any valid - // combination should work, but GL_RGB/GL_UNSIGNED_BYTE might be the most - // useful for desktop WebGL users. - // Need to emulate MAX_FRAGMENT/VERTEX_UNIFORM_VECTORS and MAX_VARYING_VECTORS - // because desktop GL's corresponding queries return the number of components - // whereas GLES2 return the number of vectors (each vector has 4 components). - // Therefore, the value returned by desktop GL needs to be divided by 4. - ensureContext(m_contextObj); - switch (pname) { - case IMPLEMENTATION_COLOR_READ_FORMAT: - *value = GL_RGB; - break; - case IMPLEMENTATION_COLOR_READ_TYPE: - *value = GL_UNSIGNED_BYTE; - break; - case MAX_FRAGMENT_UNIFORM_VECTORS: - ::glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, value); - *value /= 4; - break; - case MAX_VERTEX_UNIFORM_VECTORS: - ::glGetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS, value); - *value /= 4; - break; - case MAX_VARYING_VECTORS: - ::glGetIntegerv(GL_MAX_VARYING_FLOATS, value); - *value /= 4; - break; - default: - ::glGetIntegerv(pname, value); - } -} - -void GraphicsContext3D::getProgramiv(Platform3DObject program, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - ::glGetProgramiv((GLuint) program, pname, value); -} - -String GraphicsContext3D::getProgramInfoLog(Platform3DObject program) -{ - ASSERT(program); - - ensureContext(m_contextObj); - GLint length; - ::glGetProgramiv((GLuint) program, GL_INFO_LOG_LENGTH, &length); - - GLsizei size; - GLchar* info = (GLchar*) fastMalloc(length); - if (!info) - return ""; - - ::glGetProgramInfoLog((GLuint) program, length, &size, info); - String s(info); - fastFree(info); - return s; -} - -void GraphicsContext3D::getRenderbufferParameteriv(unsigned long target, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - ::glGetRenderbufferParameterivEXT(target, pname, value); -} - -void GraphicsContext3D::getShaderiv(Platform3DObject shader, unsigned long pname, int* value) -{ - ASSERT(shader); - - ensureContext(m_contextObj); - - HashMap<Platform3DObject, ShaderSourceEntry>::iterator result = m_shaderSourceMap.find(shader); - - switch (pname) { - case DELETE_STATUS: - case SHADER_TYPE: - // Let OpenGL handle these. - - ::glGetShaderiv((GLuint) shader, pname, value); - break; - - case COMPILE_STATUS: - if (result == m_shaderSourceMap.end()) { - (*value) = static_cast<int>(false); - return; - } - - (*value) = static_cast<int>(result->second.isValid); - break; - - case INFO_LOG_LENGTH: - if (result == m_shaderSourceMap.end()) { - (*value) = 0; - return; - } - - (*value) = getShaderInfoLog(shader).length(); - break; - - case SHADER_SOURCE_LENGTH: - (*value) = getShaderSource(shader).length(); - break; - - default: - synthesizeGLError(INVALID_ENUM); - } -} - -String GraphicsContext3D::getShaderInfoLog(Platform3DObject shader) -{ - ASSERT(shader); - - ensureContext(m_contextObj); - GLint length; - ::glGetShaderiv((GLuint) shader, GL_INFO_LOG_LENGTH, &length); - - HashMap<Platform3DObject, ShaderSourceEntry>::iterator result = m_shaderSourceMap.find(shader); - - if (result == m_shaderSourceMap.end()) - return ""; - - ShaderSourceEntry entry = result->second; - - if (entry.isValid) { - GLint length; - ::glGetShaderiv((GLuint) shader, GL_INFO_LOG_LENGTH, &length); - - GLsizei size; - GLchar* info = (GLchar*) fastMalloc(length); - if (!info) - return ""; - - ::glGetShaderInfoLog((GLuint) shader, length, &size, info); - - String s(info); - fastFree(info); - return s; - } - else { - return entry.log; - } -} - -String GraphicsContext3D::getShaderSource(Platform3DObject shader) -{ - ASSERT(shader); - - ensureContext(m_contextObj); - - HashMap<Platform3DObject, ShaderSourceEntry>::iterator result = m_shaderSourceMap.find(shader); - - if (result == m_shaderSourceMap.end()) - return ""; - - return result->second.source; -} - - -void GraphicsContext3D::getTexParameterfv(unsigned long target, unsigned long pname, float* value) -{ - ensureContext(m_contextObj); - ::glGetTexParameterfv(target, pname, value); -} - -void GraphicsContext3D::getTexParameteriv(unsigned long target, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - ::glGetTexParameteriv(target, pname, value); -} - -void GraphicsContext3D::getUniformfv(Platform3DObject program, long location, float* value) -{ - ensureContext(m_contextObj); - ::glGetUniformfv((GLuint) program, location, value); -} - -void GraphicsContext3D::getUniformiv(Platform3DObject program, long location, int* value) -{ - ensureContext(m_contextObj); - ::glGetUniformiv((GLuint) program, location, value); -} - -long GraphicsContext3D::getUniformLocation(Platform3DObject program, const String& name) -{ - ASSERT(program); - - ensureContext(m_contextObj); - return ::glGetUniformLocation((GLuint) program, name.utf8().data()); -} - -void GraphicsContext3D::getVertexAttribfv(unsigned long index, unsigned long pname, float* value) -{ - ensureContext(m_contextObj); - ::glGetVertexAttribfv(index, pname, value); -} - -void GraphicsContext3D::getVertexAttribiv(unsigned long index, unsigned long pname, int* value) -{ - ensureContext(m_contextObj); - ::glGetVertexAttribiv(index, pname, value); -} - -long GraphicsContext3D::getVertexAttribOffset(unsigned long index, unsigned long pname) -{ - ensureContext(m_contextObj); - - void* pointer; - ::glGetVertexAttribPointerv(index, pname, &pointer); - return reinterpret_cast<long>(pointer); -} - -int GraphicsContext3D::texImage2D(unsigned target, unsigned level, unsigned internalformat, unsigned width, unsigned height, unsigned border, unsigned format, unsigned type, void* pixels) -{ - ensureContext(m_contextObj); - - ::glTexImage2D(target, level, internalformat, width, height, border, format, type, pixels); - return 0; -} - -int GraphicsContext3D::texSubImage2D(unsigned target, unsigned level, unsigned xoff, unsigned yoff, unsigned width, unsigned height, unsigned format, unsigned type, void* pixels) -{ - ensureContext(m_contextObj); - - // FIXME: we will need to deal with PixelStore params when dealing with image buffers that differ from the subimage size - ::glTexSubImage2D(target, level, xoff, yoff, width, height, format, type, pixels); - return 0; -} - -unsigned GraphicsContext3D::createBuffer() -{ - ensureContext(m_contextObj); - GLuint o; - glGenBuffers(1, &o); - return o; -} - -unsigned GraphicsContext3D::createFramebuffer() -{ - ensureContext(m_contextObj); - GLuint o; - glGenFramebuffersEXT(1, &o); - return o; -} - -unsigned GraphicsContext3D::createProgram() -{ - ensureContext(m_contextObj); - return glCreateProgram(); -} - -unsigned GraphicsContext3D::createRenderbuffer() -{ - ensureContext(m_contextObj); - GLuint o; - glGenRenderbuffersEXT(1, &o); - return o; -} - -unsigned GraphicsContext3D::createShader(unsigned long type) -{ - ensureContext(m_contextObj); - return glCreateShader((type == FRAGMENT_SHADER) ? GL_FRAGMENT_SHADER : GL_VERTEX_SHADER); -} - -unsigned GraphicsContext3D::createTexture() -{ - ensureContext(m_contextObj); - GLuint o; - glGenTextures(1, &o); - return o; -} - -void GraphicsContext3D::deleteBuffer(unsigned buffer) -{ - ensureContext(m_contextObj); - glDeleteBuffers(1, &buffer); -} - -void GraphicsContext3D::deleteFramebuffer(unsigned framebuffer) -{ - ensureContext(m_contextObj); - glDeleteFramebuffersEXT(1, &framebuffer); -} - -void GraphicsContext3D::deleteProgram(unsigned program) -{ - ensureContext(m_contextObj); - glDeleteProgram(program); -} - -void GraphicsContext3D::deleteRenderbuffer(unsigned renderbuffer) -{ - ensureContext(m_contextObj); - glDeleteRenderbuffersEXT(1, &renderbuffer); -} - -void GraphicsContext3D::deleteShader(unsigned shader) -{ - ensureContext(m_contextObj); - glDeleteShader(shader); -} - -void GraphicsContext3D::deleteTexture(unsigned texture) -{ - ensureContext(m_contextObj); - glDeleteTextures(1, &texture); -} - -int GraphicsContext3D::sizeInBytes(int type) -{ - switch (type) { - case GL_BYTE: - return sizeof(GLbyte); - case GL_UNSIGNED_BYTE: - return sizeof(GLubyte); - case GL_SHORT: - return sizeof(GLshort); - case GL_UNSIGNED_SHORT: - return sizeof(GLushort); - case GL_INT: - return sizeof(GLint); - case GL_UNSIGNED_INT: - return sizeof(GLuint); - case GL_FLOAT: - return sizeof(GLfloat); - default: - return 0; - } -} - -void GraphicsContext3D::synthesizeGLError(unsigned long error) -{ - m_syntheticErrors.add(error); -} } |