| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_ |
| #define CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/common/gpu/gpu_process_launch_causes.h" |
| #include "googleurl/src/gurl.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGraphicsContext3D.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" |
| #include "ui/gl/gpu_preference.h" |
| #include "ui/gfx/native_widget_types.h" |
| |
| #if defined(USE_SKIA) |
| #define FLIP_FRAMEBUFFER_VERTICALLY |
| #endif |
| |
| class CommandBufferProxy; |
| class GpuChannelHost; |
| class GpuChannelHostFactory; |
| struct GpuMemoryAllocationForRenderer; |
| |
| |
| namespace gpu { |
| |
| class TransferBuffer; |
| |
| namespace gles2 { |
| class GLES2CmdHelper; |
| class GLES2Implementation; |
| } |
| } |
| |
| using WebKit::WebGLId; |
| |
| using WebKit::WGC3Dbyte; |
| using WebKit::WGC3Dchar; |
| using WebKit::WGC3Denum; |
| using WebKit::WGC3Dboolean; |
| using WebKit::WGC3Dbitfield; |
| using WebKit::WGC3Dint; |
| using WebKit::WGC3Dsizei; |
| using WebKit::WGC3Duint; |
| using WebKit::WGC3Dfloat; |
| using WebKit::WGC3Dclampf; |
| using WebKit::WGC3Dintptr; |
| using WebKit::WGC3Dsizeiptr; |
| |
| // TODO(piman): move this logic to the compositor and remove it from the |
| // context... |
| class WebGraphicsContext3DSwapBuffersClient { |
| public: |
| virtual void OnViewContextSwapBuffersPosted() = 0; |
| virtual void OnViewContextSwapBuffersComplete() = 0; |
| virtual void OnViewContextSwapBuffersAborted() = 0; |
| |
| protected: |
| virtual ~WebGraphicsContext3DSwapBuffersClient() {} |
| }; |
| |
| class WebGraphicsContext3DErrorMessageCallback; |
| |
| class WebGraphicsContext3DCommandBufferImpl |
| : public WebKit::WebGraphicsContext3D, |
| public base::SupportsWeakPtr<WebGraphicsContext3DCommandBufferImpl> { |
| public: |
| WebGraphicsContext3DCommandBufferImpl( |
| int surface_id, |
| const GURL& active_url, |
| GpuChannelHostFactory* factory, |
| const base::WeakPtr<WebGraphicsContext3DSwapBuffersClient>& swap_client); |
| |
| virtual ~WebGraphicsContext3DCommandBufferImpl(); |
| |
| void InitializeWithCommandBuffer( |
| CommandBufferProxy* command_buffer, |
| const Attributes& attributes, |
| bool bind_generates_resources); |
| |
| bool Initialize(const Attributes& attributes, |
| bool bind_generates_resources, |
| content::CauseForGpuLaunch cause); |
| |
| // The following 3 IDs let one uniquely identify this context. |
| // Gets the GPU process ID for this context. |
| int GetGPUProcessID(); |
| |
| // Gets the channel ID for this context. |
| int GetChannelID(); |
| |
| // Gets the context ID (relative to the channel). |
| int GetContextID(); |
| |
| CommandBufferProxy* GetCommandBufferProxy() { return command_buffer_; } |
| |
| gpu::gles2::GLES2Implementation* GetImplementation() { return gl_; } |
| |
| // Return true if GPU process reported context lost or there was a |
| // problem communicating with the GPU process. |
| bool IsCommandBufferContextLost(); |
| |
| // Create a WebGraphicsContext3DCommandBufferImpl that renders directly to a |
| // view. The view and the associated window must not be destroyed until |
| // the returned ContentGLContext has been destroyed, otherwise the GPU process |
| // might attempt to render to an invalid window handle. |
| // |
| // NOTE: on Mac OS X, this entry point is only used to set up the |
| // accelerated compositor's output. On this platform, we actually pass |
| // a gfx::PluginWindowHandle in place of the gfx::NativeViewId, |
| // because the facility to allocate a fake PluginWindowHandle is |
| // already in place. We could add more entry points and messages to |
| // allocate both fake PluginWindowHandles and NativeViewIds and map |
| // from fake NativeViewIds to PluginWindowHandles, but this seems like |
| // unnecessary complexity at the moment. |
| static WebGraphicsContext3DCommandBufferImpl* CreateViewContext( |
| GpuChannelHostFactory* factory, |
| int32 surface_id, |
| const char* allowed_extensions, |
| const WebGraphicsContext3D::Attributes& attributes, |
| bool bind_generates_resources, |
| const GURL& active_url, |
| content::CauseForGpuLaunch cause); |
| |
| // Create & initialize a WebGraphicsContext3DCommandBufferImpl. Return NULL |
| // on any failure. |
| static WebGraphicsContext3DCommandBufferImpl* CreateOffscreenContext( |
| GpuChannelHostFactory* factory, |
| const WebGraphicsContext3D::Attributes& attributes, |
| const GURL& active_url); |
| |
| //---------------------------------------------------------------------- |
| // WebGraphicsContext3D methods |
| |
| // Must be called after initialize() and before any of the following methods. |
| // Permanently binds to the first calling thread. Returns false if the |
| // graphics context fails to create. Do not call from more than one thread. |
| virtual bool makeContextCurrent(); |
| |
| virtual int width(); |
| virtual int height(); |
| |
| virtual bool isGLES2Compliant(); |
| |
| virtual bool setParentContext(WebGraphicsContext3D* parent_context); |
| |
| virtual unsigned int insertSyncPoint(); |
| virtual void waitSyncPoint(unsigned int); |
| |
| virtual void reshape(int width, int height); |
| |
| virtual bool readBackFramebuffer(unsigned char* pixels, size_t buffer_size); |
| virtual bool readBackFramebuffer(unsigned char* pixels, size_t buffer_size, |
| WebGLId framebuffer, int width, int height); |
| |
| virtual WebGLId getPlatformTextureId(); |
| virtual void prepareTexture(); |
| virtual void postSubBufferCHROMIUM(int x, int y, int width, int height); |
| |
| virtual void activeTexture(WGC3Denum texture); |
| virtual void attachShader(WebGLId program, WebGLId shader); |
| virtual void bindAttribLocation(WebGLId program, WGC3Duint index, |
| const WGC3Dchar* name); |
| virtual void bindBuffer(WGC3Denum target, WebGLId buffer); |
| virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer); |
| virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer); |
| virtual void bindTexture(WGC3Denum target, WebGLId texture); |
| virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green, |
| WGC3Dclampf blue, WGC3Dclampf alpha); |
| virtual void blendEquation(WGC3Denum mode); |
| virtual void blendEquationSeparate(WGC3Denum modeRGB, |
| WGC3Denum modeAlpha); |
| virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor); |
| virtual void blendFuncSeparate(WGC3Denum srcRGB, |
| WGC3Denum dstRGB, |
| WGC3Denum srcAlpha, |
| WGC3Denum dstAlpha); |
| |
| virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size, |
| const void* data, WGC3Denum usage); |
| virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset, |
| WGC3Dsizeiptr size, const void* data); |
| |
| virtual WGC3Denum checkFramebufferStatus(WGC3Denum target); |
| virtual void clear(WGC3Dbitfield mask); |
| virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green, |
| WGC3Dclampf blue, WGC3Dclampf alpha); |
| virtual void clearDepth(WGC3Dclampf depth); |
| virtual void clearStencil(WGC3Dint s); |
| virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green, |
| WGC3Dboolean blue, WGC3Dboolean alpha); |
| virtual void compileShader(WebGLId shader); |
| |
| virtual void compressedTexImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Denum internalformat, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Dint border, |
| WGC3Dsizei imageSize, |
| const void* data); |
| virtual void compressedTexSubImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Dsizei imageSize, |
| const void* data); |
| virtual void copyTexImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Denum internalformat, |
| WGC3Dint x, |
| WGC3Dint y, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Dint border); |
| virtual void copyTexSubImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dint x, |
| WGC3Dint y, |
| WGC3Dsizei width, |
| WGC3Dsizei height); |
| virtual void cullFace(WGC3Denum mode); |
| virtual void depthFunc(WGC3Denum func); |
| virtual void depthMask(WGC3Dboolean flag); |
| virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar); |
| virtual void detachShader(WebGLId program, WebGLId shader); |
| virtual void disable(WGC3Denum cap); |
| virtual void disableVertexAttribArray(WGC3Duint index); |
| virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count); |
| virtual void drawElements(WGC3Denum mode, |
| WGC3Dsizei count, |
| WGC3Denum type, |
| WGC3Dintptr offset); |
| |
| virtual void enable(WGC3Denum cap); |
| virtual void enableVertexAttribArray(WGC3Duint index); |
| virtual void finish(); |
| virtual void flush(); |
| virtual void framebufferRenderbuffer(WGC3Denum target, |
| WGC3Denum attachment, |
| WGC3Denum renderbuffertarget, |
| WebGLId renderbuffer); |
| virtual void framebufferTexture2D(WGC3Denum target, |
| WGC3Denum attachment, |
| WGC3Denum textarget, |
| WebGLId texture, |
| WGC3Dint level); |
| virtual void frontFace(WGC3Denum mode); |
| virtual void generateMipmap(WGC3Denum target); |
| |
| virtual bool getActiveAttrib(WebGLId program, |
| WGC3Duint index, |
| ActiveInfo&); |
| virtual bool getActiveUniform(WebGLId program, |
| WGC3Duint index, |
| ActiveInfo&); |
| |
| virtual void getAttachedShaders(WebGLId program, |
| WGC3Dsizei maxCount, |
| WGC3Dsizei* count, |
| WebGLId* shaders); |
| |
| virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name); |
| |
| virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value); |
| |
| virtual void getBufferParameteriv(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dint* value); |
| |
| virtual Attributes getContextAttributes(); |
| |
| virtual WGC3Denum getError(); |
| |
| virtual bool isContextLost(); |
| |
| virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value); |
| |
| virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, |
| WGC3Denum attachment, |
| WGC3Denum pname, |
| WGC3Dint* value); |
| |
| virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value); |
| |
| virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value); |
| |
| virtual WebKit::WebString getProgramInfoLog(WebGLId program); |
| |
| virtual void getRenderbufferParameteriv(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dint* value); |
| |
| virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value); |
| |
| virtual WebKit::WebString getShaderInfoLog(WebGLId shader); |
| |
| virtual void getShaderPrecisionFormat(WGC3Denum shadertype, |
| WGC3Denum precisiontype, |
| WGC3Dint* range, |
| WGC3Dint* precision); |
| |
| virtual WebKit::WebString getShaderSource(WebGLId shader); |
| virtual WebKit::WebString getString(WGC3Denum name); |
| |
| virtual void getTexParameterfv(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dfloat* value); |
| virtual void getTexParameteriv(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dint* value); |
| |
| virtual void getUniformfv(WebGLId program, |
| WGC3Dint location, |
| WGC3Dfloat* value); |
| virtual void getUniformiv(WebGLId program, |
| WGC3Dint location, |
| WGC3Dint* value); |
| |
| virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name); |
| |
| virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, |
| WGC3Dfloat* value); |
| virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, |
| WGC3Dint* value); |
| |
| virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname); |
| |
| virtual void hint(WGC3Denum target, WGC3Denum mode); |
| virtual WGC3Dboolean isBuffer(WebGLId buffer); |
| virtual WGC3Dboolean isEnabled(WGC3Denum cap); |
| virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer); |
| virtual WGC3Dboolean isProgram(WebGLId program); |
| virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer); |
| virtual WGC3Dboolean isShader(WebGLId shader); |
| virtual WGC3Dboolean isTexture(WebGLId texture); |
| virtual void lineWidth(WGC3Dfloat); |
| virtual void linkProgram(WebGLId program); |
| virtual void pixelStorei(WGC3Denum pname, WGC3Dint param); |
| virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units); |
| |
| virtual void readPixels(WGC3Dint x, |
| WGC3Dint y, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| void* pixels); |
| |
| virtual void releaseShaderCompiler(); |
| virtual void renderbufferStorage(WGC3Denum target, |
| WGC3Denum internalformat, |
| WGC3Dsizei width, |
| WGC3Dsizei height); |
| virtual void sampleCoverage(WGC3Dfloat value, WGC3Dboolean invert); |
| virtual void scissor(WGC3Dint x, WGC3Dint y, |
| WGC3Dsizei width, WGC3Dsizei height); |
| virtual void shaderSource(WebGLId shader, const WGC3Dchar* string); |
| virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask); |
| virtual void stencilFuncSeparate(WGC3Denum face, |
| WGC3Denum func, |
| WGC3Dint ref, |
| WGC3Duint mask); |
| virtual void stencilMask(WGC3Duint mask); |
| virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask); |
| virtual void stencilOp(WGC3Denum fail, |
| WGC3Denum zfail, |
| WGC3Denum zpass); |
| virtual void stencilOpSeparate(WGC3Denum face, |
| WGC3Denum fail, |
| WGC3Denum zfail, |
| WGC3Denum zpass); |
| |
| virtual void texImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Denum internalformat, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Dint border, |
| WGC3Denum format, |
| WGC3Denum type, |
| const void* pixels); |
| |
| virtual void texParameterf(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dfloat param); |
| virtual void texParameteri(WGC3Denum target, |
| WGC3Denum pname, |
| WGC3Dint param); |
| |
| virtual void texSubImage2D(WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| const void* pixels); |
| |
| virtual void uniform1f(WGC3Dint location, WGC3Dfloat x); |
| virtual void uniform1fv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dfloat* v); |
| virtual void uniform1i(WGC3Dint location, WGC3Dint x); |
| virtual void uniform1iv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dint* v); |
| virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y); |
| virtual void uniform2fv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dfloat* v); |
| virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y); |
| virtual void uniform2iv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dint* v); |
| virtual void uniform3f(WGC3Dint location, |
| WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z); |
| virtual void uniform3fv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dfloat* v); |
| virtual void uniform3i(WGC3Dint location, |
| WGC3Dint x, WGC3Dint y, WGC3Dint z); |
| virtual void uniform3iv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dint* v); |
| virtual void uniform4f(WGC3Dint location, |
| WGC3Dfloat x, WGC3Dfloat y, |
| WGC3Dfloat z, WGC3Dfloat w); |
| virtual void uniform4fv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dfloat* v); |
| virtual void uniform4i(WGC3Dint location, |
| WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w); |
| virtual void uniform4iv(WGC3Dint location, |
| WGC3Dsizei count, const WGC3Dint* v); |
| virtual void uniformMatrix2fv(WGC3Dint location, |
| WGC3Dsizei count, |
| WGC3Dboolean transpose, |
| const WGC3Dfloat* value); |
| virtual void uniformMatrix3fv(WGC3Dint location, |
| WGC3Dsizei count, |
| WGC3Dboolean transpose, |
| const WGC3Dfloat* value); |
| virtual void uniformMatrix4fv(WGC3Dint location, |
| WGC3Dsizei count, |
| WGC3Dboolean transpose, |
| const WGC3Dfloat* value); |
| |
| virtual void useProgram(WebGLId program); |
| virtual void validateProgram(WebGLId program); |
| |
| virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x); |
| virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values); |
| virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y); |
| virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values); |
| virtual void vertexAttrib3f(WGC3Duint index, |
| WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z); |
| virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values); |
| virtual void vertexAttrib4f(WGC3Duint index, |
| WGC3Dfloat x, WGC3Dfloat y, |
| WGC3Dfloat z, WGC3Dfloat w); |
| virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values); |
| virtual void vertexAttribPointer(WGC3Duint index, |
| WGC3Dint size, |
| WGC3Denum type, |
| WGC3Dboolean normalized, |
| WGC3Dsizei stride, |
| WGC3Dintptr offset); |
| |
| virtual void viewport(WGC3Dint x, WGC3Dint y, |
| WGC3Dsizei width, WGC3Dsizei height); |
| |
| // Support for buffer creation and deletion |
| virtual WebGLId createBuffer(); |
| virtual WebGLId createFramebuffer(); |
| virtual WebGLId createProgram(); |
| virtual WebGLId createRenderbuffer(); |
| virtual WebGLId createShader(WGC3Denum); |
| virtual WebGLId createTexture(); |
| |
| virtual void deleteBuffer(WebGLId); |
| virtual void deleteFramebuffer(WebGLId); |
| virtual void deleteProgram(WebGLId); |
| virtual void deleteRenderbuffer(WebGLId); |
| virtual void deleteShader(WebGLId); |
| virtual void deleteTexture(WebGLId); |
| |
| virtual void synthesizeGLError(WGC3Denum); |
| |
| virtual void* mapBufferSubDataCHROMIUM( |
| WGC3Denum target, WGC3Dintptr offset, |
| WGC3Dsizeiptr size, WGC3Denum access); |
| virtual void unmapBufferSubDataCHROMIUM(const void*); |
| virtual void* mapTexSubImage2DCHROMIUM( |
| WGC3Denum target, |
| WGC3Dint level, |
| WGC3Dint xoffset, |
| WGC3Dint yoffset, |
| WGC3Dsizei width, |
| WGC3Dsizei height, |
| WGC3Denum format, |
| WGC3Denum type, |
| WGC3Denum access); |
| virtual void unmapTexSubImage2DCHROMIUM(const void*); |
| |
| virtual void setVisibilityCHROMIUM(bool visible); |
| |
| virtual void discardFramebufferEXT(WGC3Denum target, |
| WGC3Dsizei numAttachments, |
| const WGC3Denum* attachments); |
| virtual void ensureFramebufferCHROMIUM(); |
| |
| virtual void setMemoryAllocationChangedCallbackCHROMIUM( |
| WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* callback); |
| |
| virtual void copyTextureToParentTextureCHROMIUM( |
| WebGLId texture, WebGLId parentTexture); |
| |
| virtual void rateLimitOffscreenContextCHROMIUM(); |
| |
| virtual WebKit::WebString getRequestableExtensionsCHROMIUM(); |
| virtual void requestExtensionCHROMIUM(const char*); |
| |
| virtual void blitFramebufferCHROMIUM( |
| WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, |
| WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, |
| WGC3Dbitfield mask, WGC3Denum filter); |
| virtual void renderbufferStorageMultisampleCHROMIUM( |
| WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, |
| WGC3Dsizei width, WGC3Dsizei height); |
| |
| virtual WebKit::WebString getTranslatedShaderSourceANGLE(WebGLId shader); |
| |
| virtual void setContextLostCallback( |
| WebGraphicsContext3D::WebGraphicsContextLostCallback* callback); |
| |
| virtual WGC3Denum getGraphicsResetStatusARB(); |
| |
| virtual void setErrorMessageCallback( |
| WebGraphicsContext3D::WebGraphicsErrorMessageCallback* callback); |
| |
| virtual void setSwapBuffersCompleteCallbackCHROMIUM( |
| WebGraphicsContext3D:: |
| WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* callback); |
| |
| virtual void texImageIOSurface2DCHROMIUM( |
| WGC3Denum target, WGC3Dint width, WGC3Dint height, |
| WGC3Duint ioSurfaceId, WGC3Duint plane); |
| |
| virtual void texStorage2DEXT( |
| WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat, |
| WGC3Dint width, WGC3Dint height); |
| |
| virtual WebGLId createQueryEXT(); |
| virtual void deleteQueryEXT(WebGLId query); |
| virtual WGC3Dboolean isQueryEXT(WGC3Duint query); |
| 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); |
| |
| virtual void copyTextureCHROMIUM(WGC3Denum target, WebGLId source_id, |
| WebGLId dest_id, WGC3Dint level, |
| WGC3Denum internal_format); |
| |
| virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location, |
| const WGC3Dchar* uniform); |
| |
| virtual void shallowFlushCHROMIUM(); |
| |
| virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox); |
| virtual void produceTextureCHROMIUM(WGC3Denum target, |
| const WGC3Dbyte* mailbox); |
| virtual void consumeTextureCHROMIUM(WGC3Denum target, |
| const WGC3Dbyte* mailbox); |
| |
| virtual void insertEventMarkerEXT(const WGC3Dchar* marker); |
| virtual void pushGroupMarkerEXT(const WGC3Dchar* marker); |
| virtual void popGroupMarkerEXT(); |
| |
| protected: |
| virtual GrGLInterface* onCreateGrGLInterface(); |
| |
| private: |
| // These are the same error codes as used by EGL. |
| enum Error { |
| SUCCESS = 0x3000, |
| BAD_ATTRIBUTE = 0x3004, |
| CONTEXT_LOST = 0x300E |
| }; |
| // WebGraphicsContext3DCommandBufferImpl configuration attributes. Those in |
| // the 16-bit range are the same as used by EGL. Those outside the 16-bit |
| // range are unique to Chromium. Attributes are matched using a closest fit |
| // algorithm. |
| enum Attribute { |
| ALPHA_SIZE = 0x3021, |
| BLUE_SIZE = 0x3022, |
| GREEN_SIZE = 0x3023, |
| RED_SIZE = 0x3024, |
| DEPTH_SIZE = 0x3025, |
| STENCIL_SIZE = 0x3026, |
| SAMPLES = 0x3031, |
| SAMPLE_BUFFERS = 0x3032, |
| HEIGHT = 0x3056, |
| WIDTH = 0x3057, |
| NONE = 0x3038, // Attrib list = terminator |
| SHARE_RESOURCES = 0x10000, |
| BIND_GENERATES_RESOURCES = 0x10001 |
| }; |
| friend class WebGraphicsContext3DErrorMessageCallback; |
| |
| // Initialize the underlying GL context. May be called multiple times; second |
| // and subsequent calls are ignored. Must be called from the thread that is |
| // going to use this object to issue GL commands (which might not be the main |
| // thread). |
| bool MaybeInitializeGL(const char* allowed_extensions); |
| |
| bool InitializeCommandBuffer( |
| bool onscreen, |
| const char* allowed_extensions); |
| |
| bool SetParent(WebGraphicsContext3DCommandBufferImpl* parent_context); |
| |
| void Destroy(); |
| |
| // Create a CommandBufferProxy that renders directly to a view. The view and |
| // the associated window must not be destroyed until the returned |
| // CommandBufferProxy has been destroyed, otherwise the GPU process might |
| // attempt to render to an invalid window handle. |
| // |
| // NOTE: on Mac OS X, this entry point is only used to set up the |
| // accelerated compositor's output. On this platform, we actually pass |
| // a gfx::PluginWindowHandle in place of the gfx::NativeViewId, |
| // because the facility to allocate a fake PluginWindowHandle is |
| // already in place. We could add more entry points and messages to |
| // allocate both fake PluginWindowHandles and NativeViewIds and map |
| // from fake NativeViewIds to PluginWindowHandles, but this seems like |
| // unnecessary complexity at the moment. |
| bool CreateContext(bool onscreen, |
| const char* allowed_extensions); |
| |
| // SwapBuffers callback. |
| void OnSwapBuffersComplete(); |
| virtual void OnContextLost(); |
| virtual void OnErrorMessage(const std::string& message, int id); |
| |
| // Check if we should call into the swap client. We can only do that on the |
| // main thread. |
| bool ShouldUseSwapClient(); |
| |
| // MemoryAllocationChanged callback. |
| void OnMemoryAllocationChanged(const GpuMemoryAllocationForRenderer& |
| allocation); |
| |
| bool initialize_failed_; |
| |
| // The channel factory to talk to the GPU process |
| GpuChannelHostFactory* factory_; |
| |
| bool visible_; |
| bool free_command_buffer_when_invisible_; |
| |
| // State needed by MaybeInitializeGL. |
| scoped_refptr<GpuChannelHost> host_; |
| int32 surface_id_; |
| GURL active_url_; |
| base::WeakPtr<WebGraphicsContext3DSwapBuffersClient> swap_client_; |
| |
| WebGraphicsMemoryAllocationChangedCallbackCHROMIUM* |
| memory_allocation_changed_callback_; |
| |
| WebGraphicsContext3D::WebGraphicsContextLostCallback* context_lost_callback_; |
| WGC3Denum context_lost_reason_; |
| |
| WebGraphicsContext3D::WebGraphicsErrorMessageCallback* |
| error_message_callback_; |
| scoped_ptr<WebGraphicsContext3DErrorMessageCallback> |
| client_error_message_callback_; |
| |
| WebGraphicsContext3D::WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* |
| swapbuffers_complete_callback_; |
| |
| WebKit::WebGraphicsContext3D::Attributes attributes_; |
| gfx::GpuPreference gpu_preference_; |
| int cached_width_, cached_height_; |
| |
| // For tracking which FBO is bound. |
| WebGLId bound_fbo_; |
| |
| // Errors raised by synthesizeGLError(). |
| std::vector<WGC3Denum> synthetic_errors_; |
| |
| base::WeakPtrFactory<WebGraphicsContext3DCommandBufferImpl> weak_ptr_factory_; |
| |
| #ifdef FLIP_FRAMEBUFFER_VERTICALLY |
| std::vector<uint8> scanline_; |
| void FlipVertically(uint8* framebuffer, |
| unsigned int width, |
| unsigned int height); |
| #endif |
| |
| bool initialized_; |
| WebGraphicsContext3DCommandBufferImpl* parent_; |
| uint32 parent_texture_id_; |
| CommandBufferProxy* command_buffer_; |
| gpu::gles2::GLES2CmdHelper* gles2_helper_; |
| gpu::TransferBuffer* transfer_buffer_; |
| gpu::gles2::GLES2Implementation* gl_; |
| Error last_error_; |
| int frame_number_; |
| bool bind_generates_resources_; |
| bool use_echo_for_swap_ack_; |
| }; |
| |
| #endif // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_ |
