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473 lines
25 KiB
C++
473 lines
25 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PUBLIC_PLATFORM_WEBGRAPHICSCONTEXT3D_H_
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#define SKY_ENGINE_PUBLIC_PLATFORM_WEBGRAPHICSCONTEXT3D_H_
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#include "sky/engine/public/platform/WebCommon.h"
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#include "sky/engine/public/platform/WebNonCopyable.h"
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#include "sky/engine/public/platform/WebString.h"
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struct GrGLInterface;
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namespace blink {
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// WGC3D types match the corresponding GL types as defined in OpenGL ES 2.0
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// header file gl2.h from khronos.org.
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typedef char WGC3Dchar;
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typedef unsigned WGC3Denum;
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typedef unsigned char WGC3Dboolean;
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typedef unsigned WGC3Dbitfield;
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typedef signed char WGC3Dbyte;
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typedef unsigned char WGC3Dubyte;
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typedef short WGC3Dshort;
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typedef unsigned short WGC3Dushort;
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typedef int WGC3Dint;
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typedef int WGC3Dsizei;
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typedef unsigned WGC3Duint;
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typedef float WGC3Dfloat;
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typedef float WGC3Dclampf;
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typedef signed long int WGC3Dintptr;
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typedef signed long int WGC3Dsizeiptr;
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// Typedef for server-side objects like OpenGL textures and program objects.
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typedef WGC3Duint WebGLId;
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// This interface abstracts the operations performed by the
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// GraphicsContext3D in order to implement WebGL. Nearly all of the
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// methods exposed on this interface map directly to entry points in
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// the OpenGL ES 2.0 API.
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class WebGraphicsContext3D : public WebNonCopyable {
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public:
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// Return value from getActiveUniform and getActiveAttrib.
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struct ActiveInfo {
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WebString name;
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WGC3Denum type;
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WGC3Dint size;
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};
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// Context creation attributes.
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struct Attributes {
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Attributes()
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: alpha(true)
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, depth(true)
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, stencil(true)
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, antialias(true)
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, premultipliedAlpha(true)
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, canRecoverFromContextLoss(true)
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, noExtensions(false)
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, shareResources(true)
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, preferDiscreteGPU(false)
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, noAutomaticFlushes(false)
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, failIfMajorPerformanceCaveat(false)
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, webGL(false)
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, webGLVersion(0)
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{
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}
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bool alpha;
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bool depth;
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bool stencil;
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bool antialias;
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bool premultipliedAlpha;
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bool canRecoverFromContextLoss;
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bool noExtensions;
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bool shareResources;
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bool preferDiscreteGPU;
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bool noAutomaticFlushes;
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bool failIfMajorPerformanceCaveat;
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bool webGL;
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unsigned webGLVersion;
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// FIXME: ideally this would be a WebURL, but it is currently not
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// possible to pass a WebURL by value across the WebKit API boundary.
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// See https://bugs.webkit.org/show_bug.cgi?id=103793#c13 .
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WebString topDocumentURL;
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};
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class WebGraphicsContextLostCallback {
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public:
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virtual void onContextLost() = 0;
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protected:
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virtual ~WebGraphicsContextLostCallback() { }
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};
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class WebGraphicsErrorMessageCallback {
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public:
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virtual void onErrorMessage(const WebString&, WGC3Dint) = 0;
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protected:
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virtual ~WebGraphicsErrorMessageCallback() { }
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};
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class WebGraphicsSwapBuffersCompleteCallbackCHROMIUM {
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public:
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virtual void onSwapBuffersComplete() = 0;
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protected:
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virtual ~WebGraphicsSwapBuffersCompleteCallbackCHROMIUM() { }
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};
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// This destructor needs to be public so that using classes can destroy instances if initialization fails.
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virtual ~WebGraphicsContext3D() { }
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// Each flush or finish is assigned an unique ID. The larger
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// the ID number, the more recently the context has been flushed.
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virtual uint32_t lastFlushID() { return 0; }
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// Resizes the region into which this WebGraphicsContext3D is drawing.
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virtual void reshapeWithScaleFactor(int width, int height, float scaleFactor) { }
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// GL_CHROMIUM_setVisibility - Changes the visibility of the backbuffer
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virtual void setVisibilityCHROMIUM(bool visible) = 0;
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// GL_EXT_discard_framebuffer - makes specified attachments of currently bound framebuffer undefined.
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virtual void discardFramebufferEXT(WGC3Denum target, WGC3Dsizei numAttachments, const WGC3Denum* attachments) { }
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// GL_CHROMIUM_discard_backbuffer - controls allocation/deallocation of the back buffer.
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virtual void discardBackbufferCHROMIUM() { }
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virtual void ensureBackbufferCHROMIUM() { }
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virtual unsigned insertSyncPoint() { return 0; }
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virtual void waitSyncPoint(unsigned) { }
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// Copies the contents of the off-screen render target used by the WebGL
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// context to the corresponding texture used by the compositor.
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virtual void prepareTexture() = 0;
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// GL_CHROMIUM_post_sub_buffer - Copies part of the back buffer to the front buffer.
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virtual void postSubBufferCHROMIUM(int x, int y, int width, int height) = 0;
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// Synthesizes an OpenGL error which will be returned from a
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// later call to getError. This is used to emulate OpenGL ES
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// 2.0 behavior on the desktop and to enforce additional error
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// checking mandated by WebGL.
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//
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// Per the behavior of glGetError, this stores at most one
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// instance of any given error, and returns them from calls to
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// getError in the order they were added.
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virtual void synthesizeGLError(WGC3Denum) = 0;
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virtual bool isContextLost() = 0;
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// GL_CHROMIUM_map_sub
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virtual void* mapBufferSubDataCHROMIUM(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, WGC3Denum access) = 0;
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virtual void unmapBufferSubDataCHROMIUM(const void*) = 0;
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virtual void* mapTexSubImage2DCHROMIUM(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, WGC3Denum access) = 0;
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virtual void unmapTexSubImage2DCHROMIUM(const void*) = 0;
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// GL_CHROMIUM_request_extension
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virtual WebString getRequestableExtensionsCHROMIUM() = 0;
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virtual void requestExtensionCHROMIUM(const char*) = 0;
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// GL_CHROMIUM_framebuffer_multisample
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virtual void blitFramebufferCHROMIUM(WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, WGC3Dbitfield mask, WGC3Denum filter) = 0;
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virtual void renderbufferStorageMultisampleCHROMIUM(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) = 0;
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// GL_CHROMIUM_swapbuffers_complete_callback
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virtual void setSwapBuffersCompleteCallbackCHROMIUM(WebGraphicsSwapBuffersCompleteCallbackCHROMIUM* callback) { }
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// GL_CHROMIUM_rate_limit_offscreen_context
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virtual void rateLimitOffscreenContextCHROMIUM() { }
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// GL_CHROMIUM_lose_context
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virtual void loseContextCHROMIUM(WGC3Denum current, WGC3Denum other) { }
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// The entry points below map directly to the OpenGL ES 2.0 API.
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// See: http://www.khronos.org/registry/gles/
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// and: http://www.khronos.org/opengles/sdk/docs/man/
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virtual void activeTexture(WGC3Denum texture) = 0;
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virtual void attachShader(WebGLId program, WebGLId shader) = 0;
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virtual void bindAttribLocation(WebGLId program, WGC3Duint index, const WGC3Dchar* name) = 0;
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virtual void bindBuffer(WGC3Denum target, WebGLId buffer) = 0;
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virtual void bindFramebuffer(WGC3Denum target, WebGLId framebuffer) = 0;
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virtual void bindRenderbuffer(WGC3Denum target, WebGLId renderbuffer) = 0;
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virtual void bindTexture(WGC3Denum target, WebGLId texture) = 0;
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virtual void blendColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) = 0;
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virtual void blendEquation(WGC3Denum mode) = 0;
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virtual void blendEquationSeparate(WGC3Denum modeRGB, WGC3Denum modeAlpha) = 0;
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virtual void blendFunc(WGC3Denum sfactor, WGC3Denum dfactor) = 0;
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virtual void blendFuncSeparate(WGC3Denum srcRGB, WGC3Denum dstRGB, WGC3Denum srcAlpha, WGC3Denum dstAlpha) = 0;
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virtual void bufferData(WGC3Denum target, WGC3Dsizeiptr size, const void* data, WGC3Denum usage) = 0;
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virtual void bufferSubData(WGC3Denum target, WGC3Dintptr offset, WGC3Dsizeiptr size, const void* data) = 0;
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virtual WGC3Denum checkFramebufferStatus(WGC3Denum target) = 0;
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virtual void clear(WGC3Dbitfield mask) = 0;
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virtual void clearColor(WGC3Dclampf red, WGC3Dclampf green, WGC3Dclampf blue, WGC3Dclampf alpha) = 0;
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virtual void clearDepth(WGC3Dclampf depth) = 0;
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virtual void clearStencil(WGC3Dint s) = 0;
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virtual void colorMask(WGC3Dboolean red, WGC3Dboolean green, WGC3Dboolean blue, WGC3Dboolean alpha) = 0;
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virtual void compileShader(WebGLId shader) = 0;
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virtual void compressedTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Dsizei imageSize, const void* data) = 0;
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virtual void compressedTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Dsizei imageSize, const void* data) = 0;
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virtual void copyTexImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border) = 0;
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virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0;
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virtual void cullFace(WGC3Denum mode) = 0;
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virtual void depthFunc(WGC3Denum func) = 0;
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virtual void depthMask(WGC3Dboolean flag) = 0;
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virtual void depthRange(WGC3Dclampf zNear, WGC3Dclampf zFar) = 0;
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virtual void detachShader(WebGLId program, WebGLId shader) = 0;
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virtual void disable(WGC3Denum cap) = 0;
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virtual void disableVertexAttribArray(WGC3Duint index) = 0;
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virtual void drawArrays(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count) = 0;
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virtual void drawElements(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset) = 0;
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virtual void enable(WGC3Denum cap) = 0;
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virtual void enableVertexAttribArray(WGC3Duint index) = 0;
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virtual void finish() = 0;
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virtual void flush() = 0;
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virtual void framebufferRenderbuffer(WGC3Denum target, WGC3Denum attachment, WGC3Denum renderbuffertarget, WebGLId renderbuffer) = 0;
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virtual void framebufferTexture2D(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level) = 0;
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virtual void frontFace(WGC3Denum mode) = 0;
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virtual void generateMipmap(WGC3Denum target) = 0;
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virtual bool getActiveAttrib(WebGLId program, WGC3Duint index, ActiveInfo&) = 0;
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virtual bool getActiveUniform(WebGLId program, WGC3Duint index, ActiveInfo&) = 0;
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virtual void getAttachedShaders(WebGLId program, WGC3Dsizei maxCount, WGC3Dsizei* count, WebGLId* shaders) = 0;
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virtual WGC3Dint getAttribLocation(WebGLId program, const WGC3Dchar* name) = 0;
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virtual void getBooleanv(WGC3Denum pname, WGC3Dboolean* value) = 0;
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virtual void getBufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual WGC3Denum getError() = 0;
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virtual void getFloatv(WGC3Denum pname, WGC3Dfloat* value) = 0;
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virtual void getFramebufferAttachmentParameteriv(WGC3Denum target, WGC3Denum attachment, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual void getIntegerv(WGC3Denum pname, WGC3Dint* value) = 0;
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virtual void getProgramiv(WebGLId program, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual WebString getProgramInfoLog(WebGLId program) = 0;
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virtual void getRenderbufferParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual void getShaderiv(WebGLId shader, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual WebString getShaderInfoLog(WebGLId shader) = 0;
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virtual void getShaderPrecisionFormat(WGC3Denum shadertype, WGC3Denum precisiontype, WGC3Dint* range, WGC3Dint* precision) = 0;
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virtual WebString getShaderSource(WebGLId shader) = 0;
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virtual WebString getString(WGC3Denum name) = 0;
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virtual void getTexParameterfv(WGC3Denum target, WGC3Denum pname, WGC3Dfloat* value) = 0;
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virtual void getTexParameteriv(WGC3Denum target, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual void getUniformfv(WebGLId program, WGC3Dint location, WGC3Dfloat* value) = 0;
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virtual void getUniformiv(WebGLId program, WGC3Dint location, WGC3Dint* value) = 0;
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virtual WGC3Dint getUniformLocation(WebGLId program, const WGC3Dchar* name) = 0;
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virtual void getVertexAttribfv(WGC3Duint index, WGC3Denum pname, WGC3Dfloat* value) = 0;
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virtual void getVertexAttribiv(WGC3Duint index, WGC3Denum pname, WGC3Dint* value) = 0;
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virtual WGC3Dsizeiptr getVertexAttribOffset(WGC3Duint index, WGC3Denum pname) = 0;
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virtual void hint(WGC3Denum target, WGC3Denum mode) = 0;
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virtual WGC3Dboolean isBuffer(WebGLId buffer) = 0;
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virtual WGC3Dboolean isEnabled(WGC3Denum cap) = 0;
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virtual WGC3Dboolean isFramebuffer(WebGLId framebuffer) = 0;
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virtual WGC3Dboolean isProgram(WebGLId program) = 0;
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virtual WGC3Dboolean isRenderbuffer(WebGLId renderbuffer) = 0;
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virtual WGC3Dboolean isShader(WebGLId shader) = 0;
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virtual WGC3Dboolean isTexture(WebGLId texture) = 0;
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virtual void lineWidth(WGC3Dfloat) = 0;
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virtual void linkProgram(WebGLId program) = 0;
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virtual void pixelStorei(WGC3Denum pname, WGC3Dint param) = 0;
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virtual void polygonOffset(WGC3Dfloat factor, WGC3Dfloat units) = 0;
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virtual void readPixels(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, void* pixels) = 0;
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virtual void releaseShaderCompiler() = 0;
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virtual void renderbufferStorage(WGC3Denum target, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) = 0;
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virtual void sampleCoverage(WGC3Dclampf value, WGC3Dboolean invert) = 0;
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virtual void scissor(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0;
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virtual void shaderSource(WebGLId shader, const WGC3Dchar* string) = 0;
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virtual void stencilFunc(WGC3Denum func, WGC3Dint ref, WGC3Duint mask) = 0;
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virtual void stencilFuncSeparate(WGC3Denum face, WGC3Denum func, WGC3Dint ref, WGC3Duint mask) = 0;
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virtual void stencilMask(WGC3Duint mask) = 0;
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virtual void stencilMaskSeparate(WGC3Denum face, WGC3Duint mask) = 0;
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virtual void stencilOp(WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) = 0;
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virtual void stencilOpSeparate(WGC3Denum face, WGC3Denum fail, WGC3Denum zfail, WGC3Denum zpass) = 0;
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virtual void texImage2D(WGC3Denum target, WGC3Dint level, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height, WGC3Dint border, WGC3Denum format, WGC3Denum type, const void* pixels) = 0;
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virtual void texParameterf(WGC3Denum target, WGC3Denum pname, WGC3Dfloat param) = 0;
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virtual void texParameteri(WGC3Denum target, WGC3Denum pname, WGC3Dint param) = 0;
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virtual void texSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dsizei width, WGC3Dsizei height, WGC3Denum format, WGC3Denum type, const void* pixels) = 0;
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virtual void uniform1f(WGC3Dint location, WGC3Dfloat x) = 0;
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virtual void uniform1fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0;
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virtual void uniform1i(WGC3Dint location, WGC3Dint x) = 0;
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virtual void uniform1iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0;
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virtual void uniform2f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y) = 0;
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virtual void uniform2fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0;
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virtual void uniform2i(WGC3Dint location, WGC3Dint x, WGC3Dint y) = 0;
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virtual void uniform2iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0;
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virtual void uniform3f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) = 0;
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virtual void uniform3fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0;
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virtual void uniform3i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z) = 0;
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virtual void uniform3iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0;
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virtual void uniform4f(WGC3Dint location, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) = 0;
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virtual void uniform4fv(WGC3Dint location, WGC3Dsizei count, const WGC3Dfloat* v) = 0;
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virtual void uniform4i(WGC3Dint location, WGC3Dint x, WGC3Dint y, WGC3Dint z, WGC3Dint w) = 0;
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virtual void uniform4iv(WGC3Dint location, WGC3Dsizei count, const WGC3Dint* v) = 0;
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virtual void uniformMatrix2fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0;
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virtual void uniformMatrix3fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0;
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virtual void uniformMatrix4fv(WGC3Dint location, WGC3Dsizei count, WGC3Dboolean transpose, const WGC3Dfloat* value) = 0;
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virtual void useProgram(WebGLId program) = 0;
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virtual void validateProgram(WebGLId program) = 0;
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virtual void vertexAttrib1f(WGC3Duint index, WGC3Dfloat x) = 0;
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virtual void vertexAttrib1fv(WGC3Duint index, const WGC3Dfloat* values) = 0;
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virtual void vertexAttrib2f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y) = 0;
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virtual void vertexAttrib2fv(WGC3Duint index, const WGC3Dfloat* values) = 0;
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virtual void vertexAttrib3f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z) = 0;
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virtual void vertexAttrib3fv(WGC3Duint index, const WGC3Dfloat* values) = 0;
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virtual void vertexAttrib4f(WGC3Duint index, WGC3Dfloat x, WGC3Dfloat y, WGC3Dfloat z, WGC3Dfloat w) = 0;
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virtual void vertexAttrib4fv(WGC3Duint index, const WGC3Dfloat* values) = 0;
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virtual void vertexAttribPointer(WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized,
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WGC3Dsizei stride, WGC3Dintptr offset) = 0;
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virtual void viewport(WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0;
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// Support for buffer creation and deletion.
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virtual void genBuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void genFramebuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void genRenderbuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void genTextures(WGC3Dsizei count, WebGLId* ids) { }
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virtual void deleteBuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void deleteFramebuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void deleteRenderbuffers(WGC3Dsizei count, WebGLId* ids) { }
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virtual void deleteTextures(WGC3Dsizei count, WebGLId* ids) { }
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virtual WebGLId createBuffer() = 0;
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virtual WebGLId createFramebuffer() = 0;
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virtual WebGLId createRenderbuffer() = 0;
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virtual WebGLId createTexture() = 0;
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virtual void deleteBuffer(WebGLId) = 0;
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virtual void deleteFramebuffer(WebGLId) = 0;
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virtual void deleteRenderbuffer(WebGLId) = 0;
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virtual void deleteTexture(WebGLId) = 0;
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virtual WebGLId createProgram() = 0;
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virtual WebGLId createShader(WGC3Denum) = 0;
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virtual void deleteShader(WebGLId) = 0;
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virtual void deleteProgram(WebGLId) = 0;
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virtual void setContextLostCallback(WebGraphicsContextLostCallback* callback) { }
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virtual void setErrorMessageCallback(WebGraphicsErrorMessageCallback* callback) { }
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// GL_ARB_robustness
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//
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// This entry point must provide slightly different semantics than
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// the GL_ARB_robustness extension; specifically, the lost context
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// state is sticky, rather than reported only once.
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virtual WGC3Denum getGraphicsResetStatusARB() { return 0; /* GL_NO_ERROR */ }
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virtual WebString getTranslatedShaderSourceANGLE(WebGLId shader) = 0;
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// GL_CHROMIUM_iosurface
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virtual void texImageIOSurface2DCHROMIUM(WGC3Denum target, WGC3Dint width, WGC3Dint height, WGC3Duint ioSurfaceId, WGC3Duint plane) { }
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// GL_EXT_texture_storage
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virtual void texStorage2DEXT(WGC3Denum target, WGC3Dint levels, WGC3Duint internalformat,
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WGC3Dint width, WGC3Dint height) { }
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// GL_EXT_occlusion_query
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virtual WebGLId createQueryEXT() { return 0; }
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virtual void deleteQueryEXT(WebGLId query) { }
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virtual WGC3Dboolean isQueryEXT(WebGLId query) { return false; }
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virtual void beginQueryEXT(WGC3Denum target, WebGLId query) { }
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virtual void endQueryEXT(WGC3Denum target) { }
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virtual void getQueryivEXT(WGC3Denum target, WGC3Denum pname, WGC3Dint* params) { }
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virtual void getQueryObjectuivEXT(WebGLId query, WGC3Denum pname, WGC3Duint* params) { }
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// GL_CHROMIUM_bind_uniform_location
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virtual void bindUniformLocationCHROMIUM(WebGLId program, WGC3Dint location, const WGC3Dchar* uniform) { }
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// GL_CHROMIUM_copy_texture
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virtual void copyTextureCHROMIUM(WGC3Denum target, WGC3Duint sourceId,
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WGC3Duint destId, WGC3Dint level, WGC3Denum internalFormat, WGC3Denum destType) { }
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// GL_CHROMIUM_shallow_flush
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virtual void shallowFlushCHROMIUM() { }
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virtual void shallowFinishCHROMIUM() { }
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// GL_CHROMIUM_texture_mailbox
|
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virtual void genMailboxCHROMIUM(WGC3Dbyte* mailbox) { }
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virtual void produceTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { }
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virtual void produceTextureDirectCHROMIUM(WebGLId texture, WGC3Denum target, const WGC3Dbyte* mailbox) { }
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virtual void consumeTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { }
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virtual WebGLId createAndConsumeTextureCHROMIUM(WGC3Denum target, const WGC3Dbyte* mailbox) { return 0; }
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|
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// GL_EXT_debug_marker
|
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virtual void insertEventMarkerEXT(const WGC3Dchar* marker) { }
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virtual void pushGroupMarkerEXT(const WGC3Dchar* marker) { }
|
|
virtual void popGroupMarkerEXT(void) { }
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|
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// 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) { }
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|
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// GL_CHROMIUM_texture_from_image
|
|
virtual void bindTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId) { }
|
|
virtual void releaseTexImage2DCHROMIUM(WGC3Denum target, WGC3Dint imageId) { }
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|
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// GL_CHROMIUM_pixel_transfer_buffer_object
|
|
virtual void* mapBufferCHROMIUM(WGC3Denum target, WGC3Denum access) { return 0; }
|
|
virtual WGC3Dboolean unmapBufferCHROMIUM(WGC3Denum target) { return false; }
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|
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// 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) { }
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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) { }
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|
|
// GL_EXT_draw_buffers
|
|
virtual void drawBuffersEXT(WGC3Dsizei n, const WGC3Denum* bufs) { }
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|
|
|
virtual GrGLInterface* createGrGLInterface() { return 0; }
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|
|
|
// GL_CHROMIUM_map_image
|
|
virtual WGC3Duint createImageCHROMIUM(WGC3Dsizei width, WGC3Dsizei height, WGC3Denum internalformat, WGC3Denum usage) { return 0; }
|
|
virtual void destroyImageCHROMIUM(WGC3Duint imageId) { }
|
|
virtual void getImageParameterivCHROMIUM(WGC3Duint imageId, WGC3Denum pname, WGC3Dint* params) { }
|
|
virtual void* mapImageCHROMIUM(WGC3Duint imageId) { return 0; }
|
|
virtual void unmapImageCHROMIUM(WGC3Duint imageId) { }
|
|
|
|
// GL_ANGLE_instanced_arrays
|
|
virtual void drawArraysInstancedANGLE(WGC3Denum mode, WGC3Dint first, WGC3Dsizei count, WGC3Dsizei primcount) { }
|
|
virtual void drawElementsInstancedANGLE(WGC3Denum mode, WGC3Dsizei count, WGC3Denum type, WGC3Dintptr offset, WGC3Dsizei primcount) { }
|
|
virtual void vertexAttribDivisorANGLE(WGC3Duint index, WGC3Duint divisor) { }
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|
|
|
// GL_EXT_multisampled_render_to_texture
|
|
virtual void framebufferTexture2DMultisampleEXT(WGC3Denum target, WGC3Denum attachment, WGC3Denum textarget, WebGLId texture, WGC3Dint level, WGC3Dsizei samples) { }
|
|
virtual void renderbufferStorageMultisampleEXT(WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, WGC3Dsizei width, WGC3Dsizei height) { };
|
|
};
|
|
|
|
} // namespace blink
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#endif // SKY_ENGINE_PUBLIC_PLATFORM_WEBGRAPHICSCONTEXT3D_H_
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