| /* |
| * Copyright (C) 2012 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER OR 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 WebGraphicsContext3D_h |
| #define WebGraphicsContext3D_h |
| |
| #include "WebCommon.h" |
| #include "WebGraphicsMemoryAllocation.h" |
| #include "WebGraphicsMemoryStats.h" |
| #include "WebNonCopyable.h" |
| #include "WebString.h" |
| |
| struct GrGLInterface; |
| |
| namespace WebKit { |
| |
| // WGC3D types match the corresponding GL types as defined in OpenGL ES 2.0 |
| // header file gl2.h from khronos.org. |
| typedef char WGC3Dchar; |
| typedef unsigned int WGC3Denum; |
| typedef unsigned char WGC3Dboolean; |
| typedef unsigned int WGC3Dbitfield; |
| typedef signed char WGC3Dbyte; |
| typedef unsigned char WGC3Dubyte; |
| typedef short WGC3Dshort; |
| typedef unsigned short WGC3Dushort; |
| typedef int WGC3Dint; |
| typedef int WGC3Dsizei; |
| typedef unsigned int WGC3Duint; |
| typedef float WGC3Dfloat; |
| typedef float WGC3Dclampf; |
| typedef signed long int WGC3Dintptr; |
| typedef signed long int WGC3Dsizeiptr; |
| |
| // Typedef for server-side objects like OpenGL textures and program objects. |
| typedef WGC3Duint WebGLId; |
| |
| // This interface abstracts the operations performed by the |
| // GraphicsContext3D in order to implement WebGL. Nearly all of the |
| // methods exposed on this interface map directly to entry points in |
| // the OpenGL ES 2.0 API. |
| // |
| // Creating a WebGraphicsContext does not make it current, or guarantee |
| // that the context has been created successfully. Use |
| // makeContextCurrent() to complete initialization of the context, treating |
| // a false return value as indication that the context could not be created |
| // successfully. |
| class WebGraphicsContext3D : public WebNonCopyable { |
| public: |
| // Return value from getActiveUniform and getActiveAttrib. |
| struct ActiveInfo { |
| WebString name; |
| WGC3Denum type; |
| WGC3Dint size; |
| }; |
| |
| // Context creation attributes. |
| struct Attributes { |
| Attributes() |
| : alpha(true) |
| , depth(true) |
| , stencil(true) |
| , antialias(true) |
| , premultipliedAlpha(true) |
| , canRecoverFromContextLoss(true) |
| , noExtensions(false) |
| , shareResources(true) |
| , preferDiscreteGPU(false) |
| , noAutomaticFlushes(false) |
| { |
| } |
| |
| bool alpha; |
| bool depth; |
| bool stencil; |
| bool antialias; |
| bool premultipliedAlpha; |
| bool canRecoverFromContextLoss; |
| bool noExtensions; |
| bool shareResources; |
| bool preferDiscreteGPU; |
| bool noAutomaticFlushes; |
| // FIXME: ideally this would be a WebURL, but it is currently not |
| // possible to pass a WebURL by value across the WebKit API boundary. |
| // See https://bugs.webkit.org/show_bug.cgi?id=103793#c13 . |
| WebString topDocumentURL; |
| }; |
| |
| class WebGraphicsContextLostCallback { |
| public: |
| virtual void onContextLost() = 0; |
| |
| protected: |
| virtual ~WebGraphicsContextLostCallback() { } |
| }; |
| |
| class WebGraphicsErrorMessageCallback { |
| public: |
| virtual void onErrorMessage(const WebString&, WGC3Dint) = 0; |
| |
| protected: |
| virtual ~WebGraphicsErrorMessageCallback() { } |
| }; |
| |
| class WebGraphicsSwapBuffersCompleteCallbackCHROMIUM { |
| public: |
| virtual void onSwapBuffersComplete() = 0; |
| |
| protected: |
| virtual ~WebGraphicsSwapBuffersCompleteCallbackCHROMIUM() { } |
| }; |
| |
| class WebGraphicsMemoryAllocationChangedCallbackCHROMIUM { |
| public: |
| virtual void onMemoryAllocationChanged(WebGraphicsMemoryAllocation) = 0; |
| |
| protected: |
| virtual ~WebGraphicsMemoryAllocationChangedCallbackCHROMIUM() { } |
| }; |
| |
| // This destructor needs to be public so that using classes can destroy instances if initialization fails. |
| virtual ~WebGraphicsContext3D() { } |
| |
| // Makes the OpenGL context current on the current thread. Returns true on |
| // success. |
| virtual bool makeContextCurrent() = 0; |
| |
| // The size of the region into which this WebGraphicsContext3D is rendering. |
| // Returns the last values passed to reshape(). |
| virtual int width() = 0; |
| virtual int height() = 0; |
| |
| // Resizes the region into which this WebGraphicsContext3D is drawing. |
| virtual void reshape(int width, int height) = 0; |
| |
| // GL_CHROMIUM_setVisibility - Changes the visibility of the backbuffer |
| virtual void setVisibilityCHROMIUM(bool visible) = 0; |
| |
| // GL_CHROMIUM_gpu_memory_manager - sets callback to observe changes to memory allocation limits. |
| virtual void setMemoryAllocationChangedCallbackCHROMIUM(WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback) { } |
| virtual void sendManagedMemoryStatsCHROMIUM(const WebGraphicsManagedMemoryStats* stats) { } |
| |
| // GL_EXT_discard_framebuffer - makes specified attachments of currently bound framebuffer undefined. |
| virtual void discardFramebufferEXT(WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { } |
| |
| // GL_CHROMIUM_discard_backbuffer - controls allocation/deallocation of the back buffer. |
| virtual void discardBackbufferCHROMIUM() { } |
| virtual void ensureBackbufferCHROMIUM() { } |
| |
| // Query whether it is built on top of compliant GLES2 implementation. |
| virtual bool isGLES2Compliant() = 0; |
| |
| virtual bool setParentContext(WebGraphicsContext3D* parentContext) { return false; } |
| |
| virtual unsigned insertSyncPoint() { return 0; } |
| virtual void waitSyncPoint(unsigned) { } |
| |
| // Helper for software compositing path. Reads back the frame buffer into |
| // the memory region pointed to by "pixels" with size "bufferSize". It is |
| // expected that the storage for "pixels" covers (4 * width * height) bytes. |
| // The RGBA channels are packed into "pixels" using SkBitmap's byte |
| // ordering. Returns true on success. |
| virtual bool readBackFramebuffer(unsigned char* pixels, size_t bufferSize, WebGLId framebuffer, int width, int height) = 0; |
| |
| // Returns the id of the texture which is used for storing the contents of |
| // the framebuffer associated with this context. This texture is accessible |
| // by the gpu-based page compositor. |
| virtual WebGLId getPlatformTextureId() = 0; |
| |
| // Copies the contents of the off-screen render target used by the WebGL |
| // context to the corresponding texture used by the compositor. |
| virtual void prepareTexture() = 0; |
| |
| // GL_CHROMIUM_post_sub_buffer - Copies part of the back buffer to the front buffer. |
| virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) = 0; |
| |
| // Synthesizes an OpenGL error which will be returned from a |
| // later call to getError. This is used to emulate OpenGL ES |
| // 2.0 behavior on the desktop and to enforce additional error |
| // checking mandated by WebGL. |
| // |
| // Per the behavior of glGetError, this stores at most one |
| // instance of any given error, and returns them from calls to |
| // getError in the order they were added. |
| virtual void synthesizeGLError(WGC3Denum) = 0; |
| |
| virtual bool isContextLost() = 0; |
| |
| // GL_CHROMIUM_map_sub |
| virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) = 0; |
| virtual void unmapBufferSubDataCHROMIUM(const void*) = 0; |
| virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) = 0; |
| virtual void unmapTexSubImage2DCHROMIUM(const void*) = 0; |
| |
| // GL_CHROMIUM_request_extension |
| virtual WebString getRequestableExtensionsCHROMIUM() = 0; |
| virtual void requestExtensionCHROMIUM(const char*) = 0; |
| |
| // GL_CHROMIUM_framebuffer_multisample |
| virtual void blitFramebufferCHROMIUM(WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, WGC3Dbitfield mask, WGC3Denum filter) = 0; |
| virtual void renderbufferStorageMultisampleCHROMIUM(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) = 0; |
| |
| // GL_CHROMIUM_swapbuffers_complete_callback |
| virtual void setSwapBuffersCompleteCallbackCHROMIUM(WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* callback) { } |
| |
| // GL_CHROMIUM_rate_limit_offscreen_context |
| virtual void rateLimitOffscreenContextCHROMIUM() { } |
| |
| // GL_CHROMIUM_stream_texture |
| // Returns the stream end point identifier created for the given texture. |
| virtual WebGLId createStreamTextureCHROMIUM(WebGLId texture) { return 0; } |
| // Destroys the stream for the given texture. |
| virtual void destroyStreamTextureCHROMIUM(WebGLId texture) { } |
| |
| // GL_CHROMIUM_lose_context |
| virtual void loseContextCHROMIUM(WGC3Denum current, WGC3Denum other) { } |
| |
| // The entry points below map directly to the OpenGL ES 2.0 API. |
| // See: http://www.khronos.org/registry/gles/ |
| // and: http://www.khronos.org/opengles/sdk/docs/man/ |
| virtual void activeTexture(WGC3Denum texture) = 0; |
| virtual void attachShader(WebGLId program, WebGLId shader) = 0; |
| virtual void bindAttribLocation(WebGLId program, WGC3Duint index, const WGC3Dchar* name) = 0; |
| virtual void bindBuffer(WGC3Denum target, WebGLId buffer) = 0; |
| virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer) = 0; |
| virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer) = 0; |
| virtual void bindTexture(WGC3Denum target, WebGLId texture) = 0; |
| virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) = 0; |
| virtual void blendEquation(WGC3Denum mode) = 0; |
| virtual void blendEquationSeparate(WGC3Denum modeRGB, WGC3Denum modeAlpha) = 0; |
| virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor) = 0; |
| virtual void blendFuncSeparate(WGC3Denum srcRGB, WGC3Denum dstRGB, WGC3Denum srcAlpha, WGC3Denum dstAlpha) = 0; |
| |
| virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size, const void* data, WGC3Denum usage) = 0; |
| virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, const void* data) = 0; |
| |
| virtual WGC3Denum checkFramebufferStatus(WGC3Denum target) = 0; |
| virtual void clear(WGC3Dbitfield mask) = 0; |
| virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) = 0; |
| virtual void clearDepth(WGC3Dclampf depth) = 0; |
| virtual void clearStencil(WGC3Dint s) = 0; |
| virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green, WGC3Dboolean blue, WGC3Dboolean alpha) = 0; |
| virtual void compileShader(WebGLId shader) = 0; |
| |
| virtual void compressedTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Dsizei imageSize, const void* data) = 0; |
| virtual void compressedTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Dsizei imageSize, const void* data) = 0; |
| virtual void copyTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border) = 0; |
| virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0; |
| virtual void cullFace(WGC3Denum mode) = 0; |
| virtual void depthFunc(WGC3Denum func) = 0; |
| virtual void depthMask(WGC3Dboolean flag) = 0; |
| virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar) = 0; |
| virtual void detachShader(WebGLId program, WebGLId shader) = 0; |
| virtual void disable(WGC3Denum cap) = 0; |
| virtual void disableVertexAttribArray(WGC3Duint index) = 0; |
| virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count) = 0; |
| virtual void drawElements(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset) = 0; |
| |
| virtual void enable(WGC3Denum cap) = 0; |
| virtual void enableVertexAttribArray(WGC3Duint index) = 0; |
| virtual void finish() = 0; |
| virtual void flush() = 0; |
| virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) = 0; |
| virtual void framebufferTexture2D(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level) = 0; |
| virtual void frontFace(WGC3Denum mode) = 0; |
| virtual void generateMipmap(WGC3Denum target) = 0; |
| |
| virtual bool getActiveAttrib(WebGLId program, WGC3Duint index, ActiveInfo&) = 0; |
| virtual bool getActiveUniform(WebGLId program, WGC3Duint index, ActiveInfo&) = 0; |
| virtual void getAttachedShaders(WebGLId program, WGC3Dsizei maxCount, WGC3Dsizei* count, WebGLId* shaders) = 0; |
| virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) = 0; |
| virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) = 0; |
| virtual void getBufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual Attributes getContextAttributes() = 0; |
| virtual WGC3Denum getError() = 0; |
| virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) = 0; |
| virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, WGC3Denum attachment, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual WebString getProgramInfoLog(WebGLId program) = 0; |
| virtual void getRenderbufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual WebString getShaderInfoLog(WebGLId shader) = 0; |
| virtual void getShaderPrecisionFormat(WGC3Denum shadertype, WGC3Denum precisiontype, WGC3Dint* range, WGC3Dint* precision) = 0; |
| virtual WebString getShaderSource(WebGLId shader) = 0; |
| virtual WebString getString(WGC3Denum name) = 0; |
| virtual void getTexParameterfv(WGC3Denum target, WGC3Denum pname, WGC3Dfloat* value) = 0; |
| virtual void getTexParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual void getUniformfv(WebGLId program, WGC3Dint location, WGC3Dfloat* value) = 0; |
| virtual void getUniformiv(WebGLId program, WGC3Dint location, WGC3Dint* value) = 0; |
| virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) = 0; |
| virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, WGC3Dfloat* value) = 0; |
| virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, WGC3Dint* value) = 0; |
| virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) = 0; |
| |
| virtual void hint(WGC3Denum target, WGC3Denum mode) = 0; |
| virtual WGC3Dboolean isBuffer(WebGLId buffer) = 0; |
| virtual WGC3Dboolean isEnabled(WGC3Denum cap) = 0; |
| virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) = 0; |
| virtual WGC3Dboolean isProgram(WebGLId program) = 0; |
| virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer) = 0; |
| virtual WGC3Dboolean isShader(WebGLId shader) = 0; |
| virtual WGC3Dboolean isTexture(WebGLId texture) = 0; |
| virtual void lineWidth(WGC3Dfloat) = 0; |
| virtual void linkProgram(WebGLId program) = 0; |
| virtual void pixelStorei(WGC3Denum pname, WGC3Dint param) = 0; |
| virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units) = 0; |
| |
| virtual void readPixels(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, void* pixels) = 0; |
| |
| virtual void releaseShaderCompiler() = 0; |
| |
| virtual void renderbufferStorage(WGC3Denum target, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) = 0; |
| virtual void sampleCoverage(WGC3Dclampf value, WGC3Dboolean invert) = 0; |
| virtual void scissor(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0; |
| virtual void shaderSource(WebGLId shader, const WGC3Dchar* string) = 0; |
| virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask) = 0; |
| virtual void stencilFuncSeparate(WGC3Denum face, WGC3Denum func, WGC3Dint ref, WGC3Duint mask) = 0; |
| virtual void stencilMask(WGC3Duint mask) = 0; |
| virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask) = 0; |
| virtual void stencilOp(WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) = 0; |
| virtual void stencilOpSeparate(WGC3Denum face, WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) = 0; |
| |
| virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels) = 0; |
| |
| virtual void texParameterf(WGC3Denum target, WGC3Denum pname, WGC3Dfloat param) = 0; |
| virtual void texParameteri(WGC3Denum target, WGC3Denum pname, WGC3Dint param) = 0; |
| |
| virtual void texSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels) = 0; |
| |
| virtual void uniform1f(WGC3Dint location, WGC3Dfloat x) = 0; |
| virtual void uniform1fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0; |
| virtual void uniform1i(WGC3Dint location, WGC3Dint x) = 0; |
| virtual void uniform1iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0; |
| virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y) = 0; |
| virtual void uniform2fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0; |
| virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y) = 0; |
| virtual void uniform2iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0; |
| virtual void uniform3f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) = 0; |
| virtual void uniform3fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0; |
| virtual void uniform3i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z) = 0; |
| virtual void uniform3iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0; |
| virtual void uniform4f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) = 0; |
| virtual void uniform4fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0; |
| virtual void uniform4i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w) = 0; |
| virtual void uniform4iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0; |
| virtual void uniformMatrix2fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0; |
| virtual void uniformMatrix3fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0; |
| virtual void uniformMatrix4fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0; |
| |
| virtual void useProgram(WebGLId program) = 0; |
| virtual void validateProgram(WebGLId program) = 0; |
| |
| virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x) = 0; |
| virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values) = 0; |
| virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y) = 0; |
| virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values) = 0; |
| virtual void vertexAttrib3f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) = 0; |
| virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values) = 0; |
| virtual void vertexAttrib4f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) = 0; |
| virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values) = 0; |
| virtual void vertexAttribPointer(WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, |
| WGC3Dsizei stride, WGC3Dintptr offset) = 0; |
| |
| virtual void viewport(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0; |
| |
| // Support for buffer creation and deletion. |
| virtual WebGLId createBuffer() = 0; |
| virtual WebGLId createFramebuffer() = 0; |
| virtual WebGLId createProgram() = 0; |
| virtual WebGLId createRenderbuffer() = 0; |
| virtual WebGLId createShader(WGC3Denum) = 0; |
| virtual WebGLId createTexture() = 0; |
| |
| virtual void deleteBuffer(WebGLId) = 0; |
| virtual void deleteFramebuffer(WebGLId) = 0; |
| virtual void deleteProgram(WebGLId) = 0; |
| virtual void deleteRenderbuffer(WebGLId) = 0; |
| virtual void deleteShader(WebGLId) = 0; |
| virtual void deleteTexture(WebGLId) = 0; |
| |
| virtual void setContextLostCallback(WebGraphicsContextLostCallback* callback) { } |
| virtual void setErrorMessageCallback(WebGraphicsErrorMessageCallback* callback) { } |
| // GL_ARB_robustness |
| // |
| // This entry point must provide slightly different semantics than |
| // the GL_ARB_robustness extension; specifically, the lost context |
| // state is sticky, rather than reported only once. |
| virtual WGC3Denum getGraphicsResetStatusARB() { return 0; /* GL_NO_ERROR */ } |
| |
| // FIXME: make this function pure virtual once it is implemented in |
| // both command buffer port and in-process port. |
| virtual WebString getTranslatedShaderSourceANGLE(WebGLId shader) { return WebString(); } |
| |
| // GL_CHROMIUM_iosurface |
| virtual void texImageIOSurface2DCHROMIUM(WGC3Denum target, WGC3Dint width, WGC3Dint height, WGC3Duint ioSurfaceId, WGC3Duint plane) { } |
| |
| // GL_EXT_texture_storage |
| virtual void texStorage2DEXT(WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat, |
| WGC3Dint width, WGC3Dint height) { } |
| |
| // GL_EXT_occlusion_query |
| virtual WebGLId createQueryEXT() { return 0; } |
| virtual void deleteQueryEXT(WebGLId query) { } |
| virtual WGC3Dboolean isQueryEXT(WebGLId query) { return false; } |
| virtual void beginQueryEXT(WGC3Denum target, WebGLId query) { } |
| virtual void endQueryEXT(WGC3Denum target) { } |
| virtual void getQueryivEXT(WGC3Denum target, WGC3Denum pname, WGC3Dint* params) { } |
| virtual void getQueryObjectuivEXT(WebGLId query, WGC3Denum pname, WGC3Duint* params) { } |
| |
| // GL_CHROMIUM_bind_uniform_location |
| virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location, const WGC3Dchar* uniform) { } |
| |
| // GL_CHROMIUM_copy_texture |
| virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint sourceId, |
| WGC3Duint destId, WGC3Dint level, WGC3Denum internalFormat) { } |
| |
| // GL_CHROMIUM_shallow_flush |
| virtual void shallowFlushCHROMIUM() { } |
| |
| // GL_CHROMIUM_texture_mailbox |
| virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox) { } |
| virtual void produceTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { } |
| virtual void consumeTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { } |
| |
| // GL_EXT_debug_marker |
| virtual void insertEventMarkerEXT(const WGC3Dchar* marker) { } |
| virtual void pushGroupMarkerEXT(const WGC3Dchar* marker) { } |
| virtual void popGroupMarkerEXT(void) { } |
| |
| // GL_OES_vertex_array_object |
| virtual WebGLId createVertexArrayOES() { return 0; } |
| virtual void deleteVertexArrayOES(WebGLId array) { } |
| virtual WGC3Dboolean isVertexArrayOES(WebGLId array) { return false; } |
| virtual void bindVertexArrayOES(WebGLId array) { } |
| |
| // GL_CHROMIUM_texture_from_image |
| virtual void bindTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId) { } |
| virtual void releaseTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId) { } |
| |
| // GL_CHROMIUM_pixel_transfer_buffer_object |
| virtual void* mapBufferCHROMIUM(WGC3Denum target, WGC3Denum access) { return 0; } |
| virtual WGC3Dboolean unmapBufferCHROMIUM(WGC3Denum target) { return false; } |
| |
| // GL_CHROMIUM_async_pixel_transfers |
| virtual void asyncTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels) { } |
| virtual void asyncTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels) { } |
| virtual void waitAsyncTexImage2DCHROMIUM(WGC3Denum) { } |
| |
| // GL_EXT_draw_buffers |
| virtual void drawBuffersEXT(WGC3Dsizei n, const WGC3Denum* bufs) { } |
| |
| // FIXME: Make implementations of this class override this method instead and then remove onCreateGrGLInterface(). |
| virtual GrGLInterface* createGrGLInterface() { return onCreateGrGLInterface(); } |
| |
| protected: |
| virtual GrGLInterface* onCreateGrGLInterface() { return 0; } |
| |
| }; |
| |
| } // namespace WebKit |
| |
| #endif |
