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Diffstat (limited to 'Source/WebKit/chromium/src/GraphicsContext3DInternal.h')
| -rw-r--r-- | Source/WebKit/chromium/src/GraphicsContext3DInternal.h | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/Source/WebKit/chromium/src/GraphicsContext3DInternal.h b/Source/WebKit/chromium/src/GraphicsContext3DInternal.h new file mode 100644 index 0000000..30a8e57 --- /dev/null +++ b/Source/WebKit/chromium/src/GraphicsContext3DInternal.h @@ -0,0 +1,291 @@ +/* + * Copyright (C) 2010 Google Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef GraphicsContext3DInternal_h +#define GraphicsContext3DInternal_h + +#include "GraphicsContext3D.h" +#include <wtf/HashSet.h> +#include <wtf/OwnPtr.h> +#if PLATFORM(SKIA) +#include "SkBitmap.h" +#endif + +namespace WebKit { +class WebGraphicsContext3D; +class WebViewImpl; +} // namespace WebKit + +namespace WebCore { + +class Extensions3DChromium; +#if USE(ACCELERATED_COMPOSITING) +class WebGLLayerChromium; +#endif + +class GraphicsContext3DInternal { +public: + GraphicsContext3DInternal(); + ~GraphicsContext3DInternal(); + + bool initialize(GraphicsContext3D::Attributes attrs, HostWindow* hostWindow, bool renderDirectlyToHostWindow); + + // Helper function to provide access to the lower-level WebGraphicsContext3D, + // which is needed for subordinate contexts like WebGL's to share resources + // with the compositor's context. + static WebKit::WebGraphicsContext3D* extractWebGraphicsContext3D(GraphicsContext3D* context); + + PlatformGraphicsContext3D platformGraphicsContext3D() const; + Platform3DObject platformTexture() const; + + bool makeContextCurrent(); + + unsigned int sizeInBytes(GC3Denum type); + + void reshape(int width, int height); + IntSize getInternalFramebufferSize(); + + void paintRenderingResultsToCanvas(CanvasRenderingContext*); + bool paintsIntoCanvasBuffer() const; + + void prepareTexture(); + +#if USE(ACCELERATED_COMPOSITING) + WebGLLayerChromium* platformLayer() const; +#endif + bool isGLES2Compliant() const; + + void releaseShaderCompiler(); + bool isContextLost(); + + //---------------------------------------------------------------------- + // Entry points for WebGL. + // + void activeTexture(GC3Denum texture); + void attachShader(Platform3DObject program, Platform3DObject shader); + void bindAttribLocation(Platform3DObject, GC3Duint index, const String& name); + void bindBuffer(GC3Denum target, Platform3DObject); + void bindFramebuffer(GC3Denum target, Platform3DObject); + void bindRenderbuffer(GC3Denum target, Platform3DObject); + void bindTexture(GC3Denum target, Platform3DObject); + void blendColor(GC3Dclampf red, GC3Dclampf green, GC3Dclampf blue, GC3Dclampf alpha); + void blendEquation(GC3Denum mode); + void blendEquationSeparate(GC3Denum modeRGB, GC3Denum modeAlpha); + void blendFunc(GC3Denum sfactor, GC3Denum dfactor); + void blendFuncSeparate(GC3Denum srcRGB, GC3Denum dstRGB, GC3Denum srcAlpha, GC3Denum dstAlpha); + + void bufferData(GC3Denum target, GC3Dsizeiptr size, GC3Denum usage); + void bufferData(GC3Denum target, GC3Dsizeiptr size, const void* data, GC3Denum usage); + void bufferSubData(GC3Denum target, GC3Dintptr offset, GC3Dsizeiptr size, const void* data); + + GC3Denum checkFramebufferStatus(GC3Denum target); + void clear(GC3Dbitfield mask); + void clearColor(GC3Dclampf red, GC3Dclampf green, GC3Dclampf blue, GC3Dclampf alpha); + void clearDepth(GC3Dclampf depth); + void clearStencil(GC3Dint s); + void colorMask(GC3Dboolean red, GC3Dboolean green, GC3Dboolean blue, GC3Dboolean alpha); + void compileShader(Platform3DObject); + + void copyTexImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height, GC3Dint border); + void copyTexSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); + void cullFace(GC3Denum mode); + void depthFunc(GC3Denum func); + void depthMask(GC3Dboolean flag); + void depthRange(GC3Dclampf zNear, GC3Dclampf zFar); + void detachShader(Platform3DObject, Platform3DObject); + void disable(GC3Denum cap); + void disableVertexAttribArray(GC3Duint index); + void drawArrays(GC3Denum mode, GC3Dint first, GC3Dsizei count); + void drawElements(GC3Denum mode, GC3Dsizei count, GC3Denum type, GC3Dintptr offset); + + void enable(GC3Denum cap); + void enableVertexAttribArray(GC3Duint index); + void finish(); + void flush(); + void framebufferRenderbuffer(GC3Denum target, GC3Denum attachment, GC3Denum renderbuffertarget, Platform3DObject); + void framebufferTexture2D(GC3Denum target, GC3Denum attachment, GC3Denum textarget, Platform3DObject, GC3Dint level); + void frontFace(GC3Denum mode); + void generateMipmap(GC3Denum target); + + bool getActiveAttrib(Platform3DObject program, GC3Duint index, ActiveInfo&); + bool getActiveUniform(Platform3DObject program, GC3Duint index, ActiveInfo&); + void getAttachedShaders(Platform3DObject program, GC3Dsizei maxCount, GC3Dsizei* count, Platform3DObject* shaders); + GC3Dint getAttribLocation(Platform3DObject, const String& name); + void getBooleanv(GC3Denum pname, GC3Dboolean* value); + void getBufferParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); + GraphicsContext3D::Attributes getContextAttributes(); + GC3Denum getError(); + void getFloatv(GC3Denum pname, GC3Dfloat* value); + void getFramebufferAttachmentParameteriv(GC3Denum target, GC3Denum attachment, GC3Denum pname, GC3Dint* value); + void getIntegerv(GC3Denum pname, GC3Dint* value); + void getProgramiv(Platform3DObject program, GC3Denum pname, GC3Dint* value); + String getProgramInfoLog(Platform3DObject); + void getRenderbufferParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); + void getShaderiv(Platform3DObject, GC3Denum pname, GC3Dint* value); + String getShaderInfoLog(Platform3DObject); + + String getShaderSource(Platform3DObject); + String getString(GC3Denum name); + void getTexParameterfv(GC3Denum target, GC3Denum pname, GC3Dfloat* value); + void getTexParameteriv(GC3Denum target, GC3Denum pname, GC3Dint* value); + void getUniformfv(Platform3DObject program, GC3Dint location, GC3Dfloat* value); + void getUniformiv(Platform3DObject program, GC3Dint location, GC3Dint* value); + GC3Dint getUniformLocation(Platform3DObject, const String& name); + void getVertexAttribfv(GC3Duint index, GC3Denum pname, GC3Dfloat* value); + void getVertexAttribiv(GC3Duint index, GC3Denum pname, GC3Dint* value); + GC3Dsizeiptr getVertexAttribOffset(GC3Duint index, GC3Denum pname); + + void hint(GC3Denum target, GC3Denum mode); + GC3Dboolean isBuffer(Platform3DObject); + GC3Dboolean isEnabled(GC3Denum cap); + GC3Dboolean isFramebuffer(Platform3DObject); + GC3Dboolean isProgram(Platform3DObject); + GC3Dboolean isRenderbuffer(Platform3DObject); + GC3Dboolean isShader(Platform3DObject); + GC3Dboolean isTexture(Platform3DObject); + void lineWidth(GC3Dfloat); + void linkProgram(Platform3DObject); + void pixelStorei(GC3Denum pname, GC3Dint param); + void polygonOffset(GC3Dfloat factor, GC3Dfloat units); + + void readPixels(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, void* data); + + void renderbufferStorage(GC3Denum target, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height); + void sampleCoverage(GC3Dclampf value, GC3Dboolean invert); + void scissor(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); + void shaderSource(Platform3DObject, const String& string); + void stencilFunc(GC3Denum func, GC3Dint ref, GC3Duint mask); + void stencilFuncSeparate(GC3Denum face, GC3Denum func, GC3Dint ref, GC3Duint mask); + void stencilMask(GC3Duint mask); + void stencilMaskSeparate(GC3Denum face, GC3Duint mask); + void stencilOp(GC3Denum fail, GC3Denum zfail, GC3Denum zpass); + void stencilOpSeparate(GC3Denum face, GC3Denum fail, GC3Denum zfail, GC3Denum zpass); + + // texImage2D return false on any error rather than using an ExceptionCode. + bool texImage2D(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, const void* pixels); + void texParameterf(GC3Denum target, GC3Denum pname, GC3Dfloat param); + void texParameteri(GC3Denum target, GC3Denum pname, GC3Dint param); + void texSubImage2D(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, const void* pixels); + + void uniform1f(GC3Dint location, GC3Dfloat x); + void uniform1fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size); + void uniform1i(GC3Dint location, GC3Dint x); + void uniform1iv(GC3Dint location, GC3Dint* v, GC3Dsizei size); + void uniform2f(GC3Dint location, GC3Dfloat x, float y); + void uniform2fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size); + void uniform2i(GC3Dint location, GC3Dint x, GC3Dint y); + void uniform2iv(GC3Dint location, GC3Dint* v, GC3Dsizei size); + void uniform3f(GC3Dint location, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z); + void uniform3fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size); + void uniform3i(GC3Dint location, GC3Dint x, GC3Dint y, GC3Dint z); + void uniform3iv(GC3Dint location, GC3Dint* v, GC3Dsizei size); + void uniform4f(GC3Dint location, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z, GC3Dfloat w); + void uniform4fv(GC3Dint location, GC3Dfloat* v, GC3Dsizei size); + void uniform4i(GC3Dint location, GC3Dint x, GC3Dint y, GC3Dint z, GC3Dint w); + void uniform4iv(GC3Dint location, GC3Dint* v, GC3Dsizei size); + void uniformMatrix2fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size); + void uniformMatrix3fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size); + void uniformMatrix4fv(GC3Dint location, GC3Dboolean transpose, GC3Dfloat* value, GC3Dsizei size); + + void useProgram(Platform3DObject); + void validateProgram(Platform3DObject); + + void vertexAttrib1f(GC3Duint index, GC3Dfloat x); + void vertexAttrib1fv(GC3Duint index, GC3Dfloat* values); + void vertexAttrib2f(GC3Duint index, GC3Dfloat x, GC3Dfloat y); + void vertexAttrib2fv(GC3Duint index, GC3Dfloat* values); + void vertexAttrib3f(GC3Duint index, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z); + void vertexAttrib3fv(GC3Duint index, GC3Dfloat* values); + void vertexAttrib4f(GC3Duint index, GC3Dfloat x, GC3Dfloat y, GC3Dfloat z, GC3Dfloat w); + void vertexAttrib4fv(GC3Duint index, GC3Dfloat* values); + void vertexAttribPointer(GC3Duint index, GC3Dint size, GC3Denum type, GC3Dboolean normalized, + GC3Dsizei stride, GC3Dintptr offset); + + void viewport(GC3Dint x, GC3Dint y, GC3Dsizei width, GC3Dsizei height); + + Platform3DObject createBuffer(); + Platform3DObject createFramebuffer(); + Platform3DObject createProgram(); + Platform3DObject createRenderbuffer(); + Platform3DObject createShader(GC3Denum); + Platform3DObject createTexture(); + + void deleteBuffer(Platform3DObject); + void deleteFramebuffer(Platform3DObject); + void deleteProgram(Platform3DObject); + void deleteRenderbuffer(Platform3DObject); + void deleteShader(Platform3DObject); + void deleteTexture(Platform3DObject); + + void synthesizeGLError(GC3Denum error); + + // Extensions3D support. + Extensions3D* getExtensions(); + bool supportsExtension(const String& name); + bool ensureExtensionEnabled(const String& name); + + // EXT_texture_format_BGRA8888 + bool supportsBGRA(); + + // GL_CHROMIUM_map_sub + bool supportsMapSubCHROMIUM(); + void* mapBufferSubDataCHROMIUM(GC3Denum target, GC3Dsizeiptr offset, GC3Dsizei size, GC3Denum access); + void unmapBufferSubDataCHROMIUM(const void*); + void* mapTexSubImage2DCHROMIUM(GC3Denum target, GC3Dint level, GC3Dint xoffset, GC3Dint yoffset, GC3Dsizei width, GC3Dsizei height, GC3Denum format, GC3Denum type, GC3Denum access); + void unmapTexSubImage2DCHROMIUM(const void*); + + // GL_CHROMIUM_copy_texture_to_parent_texture + bool supportsCopyTextureToParentTextureCHROMIUM(); + void copyTextureToParentTextureCHROMIUM(Platform3DObject texture, Platform3DObject parentTexture); + +private: + OwnPtr<WebKit::WebGraphicsContext3D> m_impl; + OwnPtr<Extensions3DChromium> m_extensions; + WebKit::WebViewImpl* m_webViewImpl; + bool m_initializedAvailableExtensions; + HashSet<String> m_enabledExtensions; + HashSet<String> m_requestableExtensions; +#if USE(ACCELERATED_COMPOSITING) + RefPtr<WebGLLayerChromium> m_compositingLayer; +#endif +#if PLATFORM(SKIA) + // If the width and height of the Canvas's backing store don't + // match those that we were given in the most recent call to + // reshape(), then we need an intermediate bitmap to read back the + // frame buffer into. This seems to happen when CSS styles are + // used to resize the Canvas. + SkBitmap m_resizingBitmap; +#endif + +#if PLATFORM(CG) + unsigned char* m_renderOutput; +#endif + + void initializeExtensions(); +}; + +} // namespace WebCore + +#endif // GraphicsContext3D_h |