The Tor Browser: gfx/gl/SkiaGLGlue.cpp@b8a032363ba2 (annotated)

gfx/gl/SkiaGLGlue.cpp@b8a032363ba2 (annotated)

gfx/gl/SkiaGLGlue.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rwxr-xr-x

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "skia/GrContext.h"
 #include "skia/GrGLInterface.h"
 #include "mozilla/gfx/2D.h"
 #include "mozilla/ThreadLocal.h"
 #include "mozilla/DebugOnly.h"
 /* SkPostConfig.h includes windows.h, which includes windef.h
  * which redefines min/max. We don't want that. */
 #ifdef _WIN32
 #undef min
 #undef max
 #endif
 #include "GLContext.h"
 #include "SkiaGLGlue.h"
 using mozilla::gl::GLContext;
 using mozilla::gl::GLFeature;
 using mozilla::gl::SkiaGLGlue;
 using mozilla::gfx::DrawTarget;
 static mozilla::ThreadLocal<GLContext*> sGLContext;
 extern "C" {
 static void SetStaticGLContext(GLContext* context)
 {
     if (!sGLContext.initialized()) {
       mozilla::DebugOnly<bool> success = sGLContext.init();
       MOZ_ASSERT(success);
     }
     sGLContext.set(context);
 }
 void EnsureGLContext(const GrGLInterface* i)
 {
     const SkiaGLGlue* contextSkia = reinterpret_cast<const SkiaGLGlue*>(i->fCallbackData);
     MOZ_ASSERT(contextSkia);
     GLContext* gl = contextSkia->GetGLContext();
     gl->MakeCurrent();
     SetStaticGLContext(gl);
 }
 // Core GL functions required by Ganesh
 GrGLvoid glActiveTexture_mozilla(GrGLenum texture)
 {
     return sGLContext.get()->fActiveTexture(texture);
 }
 GrGLvoid glAttachShader_mozilla(GrGLuint program, GrGLuint shader)
 {
     return sGLContext.get()->fAttachShader(program, shader);
 }
 GrGLvoid glBindAttribLocation_mozilla(GrGLuint program, GrGLuint index, const GLchar* name)
 {
     return sGLContext.get()->fBindAttribLocation(program, index, name);
 }
 GrGLvoid glBindBuffer_mozilla(GrGLenum target, GrGLuint buffer)
 {
     return sGLContext.get()->fBindBuffer(target, buffer);
 }
 GrGLvoid glBindFramebuffer_mozilla(GrGLenum target, GrGLuint framebuffer)
 {
     return sGLContext.get()->fBindFramebuffer(target, framebuffer);
 }
 GrGLvoid glBindRenderbuffer_mozilla(GrGLenum target, GrGLuint renderbuffer)
 {
     return sGLContext.get()->fBindRenderbuffer(target, renderbuffer);
 }
 GrGLvoid glBindTexture_mozilla(GrGLenum target, GrGLuint texture)
 {
     return sGLContext.get()->fBindTexture(target, texture);
 }
 GrGLvoid glBlendColor_mozilla(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha)
 {
     return sGLContext.get()->fBlendColor(red, green, blue, alpha);
 }
 GrGLvoid glBlendFunc_mozilla(GrGLenum sfactor, GrGLenum dfactor)
 {
     return sGLContext.get()->fBlendFunc(sfactor, dfactor);
 }
 GrGLvoid glBufferData_mozilla(GrGLenum target, GrGLsizeiptr size, const void* data, GrGLenum usage)
 {
     return sGLContext.get()->fBufferData(target, size, data, usage);
 }
 GrGLvoid glBufferSubData_mozilla(GrGLenum target, GrGLintptr offset, GrGLsizeiptr size, const void* data)
 {
     return sGLContext.get()->fBufferSubData(target, offset, size, data);
 }
 GrGLenum glCheckFramebufferStatus_mozilla(GrGLenum target)
 {
     return sGLContext.get()->fCheckFramebufferStatus(target);
 }
 GrGLvoid glClear_mozilla(GrGLbitfield mask)
 {
     return sGLContext.get()->fClear(mask);
 }
 GrGLvoid glClearColor_mozilla(GrGLclampf red, GrGLclampf green, GrGLclampf blue, GrGLclampf alpha)
 {
     return sGLContext.get()->fClearColor(red, green, blue, alpha);
 }
 GrGLvoid glClearStencil_mozilla(GrGLint s)
 {
     return sGLContext.get()->fClearStencil(s);
 }
 GrGLvoid glColorMask_mozilla(GrGLboolean red, GrGLboolean green, GrGLboolean blue, GrGLboolean alpha)
 {
     return sGLContext.get()->fColorMask(red, green, blue, alpha);
 }
 GrGLvoid glCompileShader_mozilla(GrGLuint shader)
 {
     return sGLContext.get()->fCompileShader(shader);
 }
 GrGLvoid glCopyTexSubImage2D_mozilla(GrGLenum target, GrGLint level, GrGLint xoffset, GrGLint yoffset,
                                      GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height)
 {
     return sGLContext.get()->fCopyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
 }
 GrGLuint glCreateProgram_mozilla(void)
 {
     return sGLContext.get()->fCreateProgram();
 }
 GrGLuint glCreateShader_mozilla(GrGLenum type)
 {
     return sGLContext.get()->fCreateShader(type);
 }
 GrGLvoid glCullFace_mozilla(GrGLenum mode)
 {
     return sGLContext.get()->fCullFace(mode);
 }
 GrGLvoid glDeleteBuffers_mozilla(GrGLsizei n, const GrGLuint* buffers)
 {
     return sGLContext.get()->fDeleteBuffers(n, buffers);
 }
 GrGLvoid glDeleteFramebuffers_mozilla(GrGLsizei n, const GrGLuint* framebuffers)
 {
     return sGLContext.get()->fDeleteFramebuffers(n, framebuffers);
 }
 GrGLvoid glDeleteProgram_mozilla(GrGLuint program)
 {
     return sGLContext.get()->fDeleteProgram(program);
 }
 GrGLvoid glDeleteRenderbuffers_mozilla(GrGLsizei n, const GrGLuint* renderbuffers)
 {
     return sGLContext.get()->fDeleteRenderbuffers(n, renderbuffers);
 }
 GrGLvoid glDeleteShader_mozilla(GrGLuint shader)
 {
     return sGLContext.get()->fDeleteShader(shader);
 }
 GrGLvoid glDeleteTextures_mozilla(GrGLsizei n, const GrGLuint* textures)
 {
     return sGLContext.get()->fDeleteTextures(n, textures);
 }
 GrGLvoid glDepthMask_mozilla(GrGLboolean flag)
 {
     return sGLContext.get()->fDepthMask(flag);
 }
 GrGLvoid glDisable_mozilla(GrGLenum cap)
 {
     return sGLContext.get()->fDisable(cap);
 }
 GrGLvoid glDisableVertexAttribArray_mozilla(GrGLuint index)
 {
     return sGLContext.get()->fDisableVertexAttribArray(index);
 }
 GrGLvoid glDrawArrays_mozilla(GrGLenum mode, GrGLint first, GrGLsizei count)
 {
     return sGLContext.get()->fDrawArrays(mode, first, count);
 }
 GrGLvoid glDrawElements_mozilla(GrGLenum mode, GrGLsizei count, GrGLenum type, const void* indices)
 {
     return sGLContext.get()->fDrawElements(mode, count, type, indices);
 }
 GrGLvoid glEnable_mozilla(GrGLenum cap)
 {
     return sGLContext.get()->fEnable(cap);
 }
 GrGLvoid glEnableVertexAttribArray_mozilla(GrGLuint index)
 {
     return sGLContext.get()->fEnableVertexAttribArray(index);
 }
 GrGLvoid glFinish_mozilla()
 {
     return sGLContext.get()->fFinish();
 }
 GrGLvoid glFlush_mozilla()
 {
     return sGLContext.get()->fFlush();
 }
 GrGLvoid glFramebufferRenderbuffer_mozilla(GrGLenum target, GrGLenum attachment, GrGLenum renderbuffertarget, GrGLuint renderbuffer)
 {
     return sGLContext.get()->fFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer);
 }
 GrGLvoid glFramebufferTexture2D_mozilla(GrGLenum target, GrGLenum attachment, GrGLenum textarget, GrGLuint texture, GrGLint level)
 {
     return sGLContext.get()->fFramebufferTexture2D(target, attachment, textarget, texture, level);
 }
 GrGLvoid glFrontFace_mozilla(GrGLenum mode)
 {
     return sGLContext.get()->fFrontFace(mode);
 }
 GrGLvoid glGenBuffers_mozilla(GrGLsizei n, GrGLuint* buffers)
 {
     return sGLContext.get()->fGenBuffers(n, buffers);
 }
 GrGLvoid glGenFramebuffers_mozilla(GrGLsizei n, GrGLuint* framebuffers)
 {
     return sGLContext.get()->fGenFramebuffers(n, framebuffers);
 }
 GrGLvoid glGenRenderbuffers_mozilla(GrGLsizei n, GrGLuint* renderbuffers)
 {
     return sGLContext.get()->fGenRenderbuffers(n, renderbuffers);
 }
 GrGLvoid glGenTextures_mozilla(GrGLsizei n, GrGLuint* textures)
 {
     return sGLContext.get()->fGenTextures(n, textures);
 }
 GrGLvoid glGenerateMipmap_mozilla(GrGLenum target)
 {
     return sGLContext.get()->fGenerateMipmap(target);
 }
 GrGLvoid glGetBufferParameteriv_mozilla(GrGLenum target, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetBufferParameteriv(target, pname, params);
 }
 GrGLvoid glGetFramebufferAttachmentParameteriv_mozilla(GrGLenum target, GrGLenum attachment, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetFramebufferAttachmentParameteriv(target, attachment, pname, params);
 }
 GrGLenum glGetError_mozilla()
 {
     return sGLContext.get()->fGetError();
 }
 GrGLvoid glGetIntegerv_mozilla(GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetIntegerv(pname, params);
 }
 GrGLvoid glGetProgramInfoLog_mozilla(GrGLuint program, GrGLsizei bufsize, GrGLsizei* length, char* infolog)
 {
     return sGLContext.get()->fGetProgramInfoLog(program, bufsize, length, infolog);
 }
 GrGLvoid glGetProgramiv_mozilla(GrGLuint program, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetProgramiv(program, pname, params);
 }
 GrGLvoid glGetRenderbufferParameteriv_mozilla(GrGLenum target, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetRenderbufferParameteriv(target, pname, params);
 }
 GrGLvoid glGetShaderInfoLog_mozilla(GrGLuint shader, GrGLsizei bufsize, GrGLsizei* length, char* infolog)
 {
     return sGLContext.get()->fGetShaderInfoLog(shader, bufsize, length, infolog);
 }
 GrGLvoid glGetShaderiv_mozilla(GrGLuint shader, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetShaderiv(shader, pname, params);
 }
 const GLubyte* glGetString_mozilla(GrGLenum name)
 {
     // GLContext only exposes a OpenGL 2.0 style API, so we have to intercept a bunch
     // of checks that Ganesh makes to determine which capabilities are present
     // on the GL implementation and change them to match what GLContext actually exposes.
     if (name == LOCAL_GL_VERSION) {
         if (sGLContext.get()->IsGLES()) {
             return reinterpret_cast<const GLubyte*>("OpenGL ES 2.0");
         } else {
             return reinterpret_cast<const GLubyte*>("2.0");
         }
     } else if (name == LOCAL_GL_EXTENSIONS) {
         // Only expose the bare minimum extensions we want to support to ensure a functional Ganesh
         // as GLContext only exposes certain extensions
         static bool extensionsStringBuilt = false;
         static char extensionsString[1024];
         if (!extensionsStringBuilt) {
             extensionsString[0] = '\0';
             if (sGLContext.get()->IsGLES()) {
                 // OES is only applicable to GLES2
                 if (sGLContext.get()->IsExtensionSupported(GLContext::OES_packed_depth_stencil)) {
                     strcat(extensionsString, "GL_OES_packed_depth_stencil ");
                 }
                 if (sGLContext.get()->IsExtensionSupported(GLContext::OES_rgb8_rgba8)) {
                     strcat(extensionsString, "GL_OES_rgb8_rgba8 ");
                 }
                 if (sGLContext.get()->IsExtensionSupported(GLContext::OES_texture_npot)) {
                     strcat(extensionsString, "GL_OES_texture_npot ");
                 }
                 if (sGLContext.get()->IsExtensionSupported(GLContext::OES_vertex_array_object)) {
                     strcat(extensionsString, "GL_OES_vertex_array_object ");
                 }
                 if (sGLContext.get()->IsSupported(GLFeature::standard_derivatives)) {
                     strcat(extensionsString, "GL_OES_standard_derivatives ");
                 }
             }
             if (sGLContext.get()->IsExtensionSupported(GLContext::EXT_texture_format_BGRA8888)) {
                 strcat(extensionsString, "GL_EXT_texture_format_BGRA8888 ");
             }
             if (sGLContext.get()->IsExtensionSupported(GLContext::EXT_packed_depth_stencil)) {
                 strcat(extensionsString, "GL_EXT_packed_depth_stencil ");
             }
             if (sGLContext.get()->IsExtensionSupported(GLContext::EXT_bgra)) {
                 strcat(extensionsString, "GL_EXT_bgra ");
             }
             if (sGLContext.get()->IsExtensionSupported(GLContext::EXT_read_format_bgra)) {
                 strcat(extensionsString, "GL_EXT_read_format_bgra ");
             }
             extensionsStringBuilt = true;
 #ifdef DEBUG
             printf_stderr("Exported SkiaGL extensions: %s\n", extensionsString);
 #endif
         }
         return reinterpret_cast<const GLubyte*>(extensionsString);
     } else if (name == LOCAL_GL_SHADING_LANGUAGE_VERSION) {
         if (sGLContext.get()->IsGLES()) {
             return reinterpret_cast<const GLubyte*>("OpenGL ES GLSL ES 1.0");
         } else {
             return reinterpret_cast<const GLubyte*>("1.10");
         }
     }
     return sGLContext.get()->fGetString(name);
 }
 GrGLint glGetUniformLocation_mozilla(GrGLuint program, const char* name)
 {
     return sGLContext.get()->fGetUniformLocation(program, name);
 }
 GrGLvoid glLineWidth_mozilla(GrGLfloat width)
 {
     return sGLContext.get()->fLineWidth(width);
 }
 GrGLvoid glLinkProgram_mozilla(GrGLuint program)
 {
     return sGLContext.get()->fLinkProgram(program);
 }
 GrGLvoid glPixelStorei_mozilla(GrGLenum pname, GrGLint param)
 {
     return sGLContext.get()->fPixelStorei(pname, param);
 }
 GrGLvoid glReadPixels_mozilla(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height,
                               GrGLenum format, GrGLenum type, void* pixels)
 {
     return sGLContext.get()->fReadPixels(x, y, width, height,
                                    format, type, pixels);
 }
 GrGLvoid glRenderbufferStorage_mozilla(GrGLenum target, GrGLenum internalformat, GrGLsizei width, GrGLsizei height)
 {
     return sGLContext.get()->fRenderbufferStorage(target, internalformat, width, height);
 }
 GrGLvoid glScissor_mozilla(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height)
 {
     return sGLContext.get()->fScissor(x, y, width, height);
 }
 GrGLvoid glShaderSource_mozilla(GrGLuint shader, GrGLsizei count, const char** str, const GrGLint* length)
 {
     return sGLContext.get()->fShaderSource(shader, count, str, length);
 }
 GrGLvoid glStencilFunc_mozilla(GrGLenum func, GrGLint ref, GrGLuint mask)
 {
     return sGLContext.get()->fStencilFunc(func, ref, mask);
 }
 GrGLvoid glStencilMask_mozilla(GrGLuint mask)
 {
     return sGLContext.get()->fStencilMask(mask);
 }
 GrGLvoid glStencilOp_mozilla(GrGLenum fail, GrGLenum zfail, GrGLenum zpass)
 {
     return sGLContext.get()->fStencilOp(fail, zfail, zpass);
 }
 GrGLvoid glTexImage2D_mozilla(GrGLenum target, GrGLint level, GrGLint internalformat,
                               GrGLsizei width, GrGLsizei height, GrGLint border,
                               GrGLenum format, GrGLenum type, const void* pixels)
 {
     return sGLContext.get()->fTexImage2D(target, level, internalformat,
                                    width, height, border,
                                    format, type, pixels);
 }
 GrGLvoid glTexParameteri_mozilla(GrGLenum target, GrGLenum pname, GrGLint param)
 {
     return sGLContext.get()->fTexParameteri(target, pname, param);
 }
 GrGLvoid glTexParameteriv_mozilla(GrGLenum target, GrGLenum pname, const GrGLint* params)
 {
     return sGLContext.get()->fTexParameteriv(target, pname, params);
 }
 GrGLvoid glTexSubImage2D_mozilla(GrGLenum target, GrGLint level,
                                  GrGLint xoffset, GrGLint yoffset,
                                  GrGLsizei width, GrGLsizei height,
                                  GrGLenum format, GrGLenum type, const void* pixels)
 {
     return sGLContext.get()->fTexSubImage2D(target, level,
                                       xoffset, yoffset,
                                       width, height,
                                       format, type, pixels);
 }
 GrGLvoid glUniform1f_mozilla(GrGLint location, GrGLfloat v)
 {
     return sGLContext.get()->fUniform1f(location, v);
 }
 GrGLvoid glUniform1i_mozilla(GrGLint location, GrGLint v)
 {
     return sGLContext.get()->fUniform1i(location, v);
 }
 GrGLvoid glUniform1fv_mozilla(GrGLint location, GrGLsizei count, const GrGLfloat* v)
 {
     return sGLContext.get()->fUniform1fv(location, count, v);
 }
 GrGLvoid glUniform1iv_mozilla(GrGLint location, GrGLsizei count, const GrGLint* v)
 {
     return sGLContext.get()->fUniform1iv(location, count, v);
 }
 GrGLvoid glUniform2f_mozilla(GrGLint location, GrGLfloat v0, GrGLfloat v1)
 {
     return sGLContext.get()->fUniform2f(location, v0, v1);
 }
 GrGLvoid glUniform2i_mozilla(GrGLint location, GrGLint v0, GrGLint v1)
 {
     return sGLContext.get()->fUniform2i(location, v0, v1);
 }
 GrGLvoid glUniform2fv_mozilla(GrGLint location, GrGLsizei count, const GrGLfloat* v)
 {
     return sGLContext.get()->fUniform2fv(location, count, v);
 }
 GrGLvoid glUniform2iv_mozilla(GrGLint location, GrGLsizei count, const GrGLint* v)
 {
     return sGLContext.get()->fUniform2iv(location, count, v);
 }
 GrGLvoid glUniform3f_mozilla(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2)
 {
     return sGLContext.get()->fUniform3f(location, v0, v1, v2);
 }
 GrGLvoid glUniform3i_mozilla(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2)
 {
     return sGLContext.get()->fUniform3i(location, v0, v1, v2);
 }
 GrGLvoid glUniform3fv_mozilla(GrGLint location, GrGLsizei count, const GrGLfloat* v)
 {
     return sGLContext.get()->fUniform3fv(location, count, v);
 }
 GrGLvoid glUniform3iv_mozilla(GrGLint location, GrGLsizei count, const GrGLint* v)
 {
     return sGLContext.get()->fUniform3iv(location, count, v);
 }
 GrGLvoid glUniform4f_mozilla(GrGLint location, GrGLfloat v0, GrGLfloat v1, GrGLfloat v2, GrGLfloat v3)
 {
     return sGLContext.get()->fUniform4f(location, v0, v1, v2, v3);
 }
 GrGLvoid glUniform4i_mozilla(GrGLint location, GrGLint v0, GrGLint v1, GrGLint v2, GrGLint v3)
 {
     return sGLContext.get()->fUniform4i(location, v0, v1, v2, v3);
 }
 GrGLvoid glUniform4fv_mozilla(GrGLint location, GrGLsizei count, const GrGLfloat* v)
 {
     return sGLContext.get()->fUniform4fv(location, count, v);
 }
 GrGLvoid glUniform4iv_mozilla(GrGLint location, GrGLsizei count, const GrGLint* v)
 {
     return sGLContext.get()->fUniform4iv(location, count, v);
 }
 GrGLvoid glUniformMatrix2fv_mozilla(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value)
 {
     return sGLContext.get()->fUniformMatrix2fv(location, count, transpose, value);
 }
 GrGLvoid glUniformMatrix3fv_mozilla(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value)
 {
     return sGLContext.get()->fUniformMatrix3fv(location, count, transpose, value);
 }
 GrGLvoid glUniformMatrix4fv_mozilla(GrGLint location, GrGLsizei count, GrGLboolean transpose, const GrGLfloat* value)
 {
     return sGLContext.get()->fUniformMatrix4fv(location, count, transpose, value);
 }
 GrGLvoid glUseProgram_mozilla(GrGLuint program)
 {
     return sGLContext.get()->fUseProgram(program);
 }
 GrGLvoid glVertexAttrib4fv_mozilla(GrGLuint index, const GrGLfloat* values)
 {
     return sGLContext.get()->fVertexAttrib4fv(index, values);
 }
 GrGLvoid glVertexAttribPointer_mozilla(GrGLuint index, GrGLint size, GrGLenum type, GrGLboolean normalized, GrGLsizei stride, const void* ptr)
 {
     return sGLContext.get()->fVertexAttribPointer(index, size, type, normalized, stride, ptr);
 }
 GrGLvoid glViewport_mozilla(GrGLint x, GrGLint y, GrGLsizei width, GrGLsizei height)
 {
     return sGLContext.get()->fViewport(x, y, width, height);
 }
 // Required if the bindings are GLES2 or desktop OpenGL 2.0
 GrGLvoid glStencilFuncSeparate_mozilla(GrGLenum frontfunc, GrGLenum backfunc, GrGLint ref, GrGLuint mask)
 {
     return sGLContext.get()->fStencilFuncSeparate(frontfunc, backfunc, ref, mask);
 }
 GrGLvoid glStencilMaskSeparate_mozilla(GrGLenum face, GrGLuint mask)
 {
     return sGLContext.get()->fStencilMaskSeparate(face, mask);
 }
 GrGLvoid glStencilOpSeparate_mozilla(GrGLenum face, GrGLenum sfail, GrGLenum dpfail, GrGLenum dppass)
 {
     return sGLContext.get()->fStencilOpSeparate(face, sfail, dpfail, dppass);
 }
 // Not in GLES2
 GrGLvoid glGetTexLevelParameteriv_mozilla(GrGLenum target, GrGLint level, GrGLenum pname, GrGLint *params)
 {
     return sGLContext.get()->fGetTexLevelParameteriv(target, level, pname, params);
 }
 GrGLvoid glDrawBuffer_mozilla(GrGLenum mode)
 {
     return sGLContext.get()->fDrawBuffer(mode);
 }
 GrGLvoid glReadBuffer_mozilla(GrGLenum mode)
 {
     return sGLContext.get()->fReadBuffer(mode);
 }
 // Desktop OpenGL version >= 1.5
 GrGLvoid glGenQueries_mozilla(GrGLsizei n, GrGLuint* ids)
 {
     return sGLContext.get()->fGenQueries(n, ids);
 }
 GrGLvoid glDeleteQueries_mozilla(GrGLsizei n, const GrGLuint* ids)
 {
     return sGLContext.get()->fDeleteQueries(n, ids);
 }
 GrGLvoid glBeginQuery_mozilla(GrGLenum target, GrGLuint id)
 {
     return sGLContext.get()->fBeginQuery(target, id);
 }
 GrGLvoid glEndQuery_mozilla(GrGLenum target)
 {
     return sGLContext.get()->fEndQuery(target);
 }
 GrGLvoid glGetQueryiv_mozilla(GrGLenum target, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetQueryiv(target, pname, params);
 }
 GrGLvoid glGetQueryObjectiv_mozilla(GrGLuint id, GrGLenum pname, GrGLint* params)
 {
     return sGLContext.get()->fGetQueryObjectiv(id, pname, params);
 }
 GrGLvoid glGetQueryObjectuiv_mozilla(GrGLuint id, GrGLenum pname, GrGLuint* params)
 {
     return sGLContext.get()->fGetQueryObjectuiv(id, pname, params);
 }
 // Desktop OpenGL version >= 2.0
 GrGLvoid glDrawBuffers_mozilla(GrGLsizei n, const GrGLenum* bufs)
 {
     return sGLContext.get()->fDrawBuffers(n, bufs);
 }
 // GLContext supports glMapBuffer on everything (GL_OES_mapbuffer)
 GrGLvoid* glMapBuffer_mozilla(GrGLenum target, GrGLenum access)
 {
     return sGLContext.get()->fMapBuffer(target, access);
 }
 GrGLboolean glUnmapBuffer_mozilla(GrGLenum target)
 {
     return sGLContext.get()->fUnmapBuffer(target);
 }
 // GLContext supports glCompressedTexImage2D (GL_ARB_texture_compression)
 GrGLvoid glCompressedTexImage2D_mozilla(GrGLenum target, GrGLint level, GrGLenum internalformat,
                                         GrGLsizei width, GrGLsizei height, GrGLint border,
                                         GrGLsizei imageSize, const GrGLvoid* pixels)
 {
     return sGLContext.get()->fCompressedTexImage2D(target, level, internalformat,
                                              width, height, border,
                                              imageSize, pixels);
 }
 // GLContext supports glBlitFramebuffer/glRenderbufferStorageMultisample (GL_ARB_framebuffer_object)
 GrGLvoid glRenderbufferStorageMultisample_mozilla(GrGLenum target, GrGLsizei samples, GrGLenum internalformat,
                                                   GrGLsizei width, GrGLsizei height)
 {
     return sGLContext.get()->fRenderbufferStorageMultisample(target, samples, internalformat,
                                                        width, height);
 }
 GrGLvoid glBlitFramebuffer_mozilla(GrGLint srcX0, GrGLint srcY0,
                                    GrGLint srcX1, GrGLint srcY1,
                                    GrGLint dstX0, GrGLint dstY0,
                                    GrGLint dstX1, GrGLint dstY1,
                                    GrGLbitfield mask, GrGLenum filter) {
     return sGLContext.get()->fBlitFramebuffer(srcX0, srcY0,
                                         srcX1, srcY1,
                                         dstX0, dstY0,
                                         dstX1, dstY1,
                                         mask, filter);
 }
 GrGLvoid glBindVertexArray_mozilla(GrGLuint array) {
     return sGLContext.get()->fBindVertexArray(array);
 }
 GrGLvoid glDeleteVertexArrays_mozilla(GrGLsizei n, const GrGLuint *arrays) {
     return sGLContext.get()->fDeleteVertexArrays(n, arrays);
 }
 GrGLvoid glGenVertexArrays_mozilla(GrGLsizei n, GrGLuint *arrays) {
     return sGLContext.get()->fGenVertexArrays(n, arrays);
 }
 // Additional functions required for desktop GL < version 3.2
 GrGLvoid glLoadMatrixf_mozilla(const GLfloat* matrix)
 {
     return sGLContext.get()->fLoadMatrixf(matrix);
 }
 GrGLvoid glLoadIdentity_mozilla()
 {
     return sGLContext.get()->fLoadIdentity();
 }
 GrGLvoid glMatrixMode_mozilla(GrGLenum mode)
 {
     return sGLContext.get()->fMatrixMode(mode);
 }
 GrGLvoid glTexGeni_mozilla(GrGLenum coord, GrGLenum pname, GrGLint param)
 {
     return sGLContext.get()->fTexGeni(coord, pname, param);
 }
 GrGLvoid glTexGenfv_mozilla(GrGLenum coord, GrGLenum pname, const GrGLfloat* param)
 {
     return sGLContext.get()->fTexGenfv(coord, pname, param);
 }
 } // extern "C"
 static GrGLInterface* CreateGrGLInterfaceFromGLContext(GLContext* context)
 {
     SetStaticGLContext(context);
     GrGLInterface* i = new GrGLInterface();
     i->fCallback = EnsureGLContext;
     i->fCallbackData = 0; // must be later initialized to be a valid DrawTargetSkia* pointer
     context->MakeCurrent();
     // We support both desktop GL and GLES2
     if (context->IsGLES()) {
         i->fStandard = kGLES_GrGLStandard;
     } else {
         i->fStandard = kGL_GrGLStandard;
     }
     GrGLExtensions extensions;
     if (!extensions.init(i->fStandard, glGetString_mozilla, NULL, glGetIntegerv_mozilla)) {
         return nullptr;
     }
     i->fExtensions.swap(&extensions);
     // Core GL functions required by Ganesh
     i->fFunctions.fActiveTexture = glActiveTexture_mozilla;
     i->fFunctions.fAttachShader = glAttachShader_mozilla;
     i->fFunctions.fBindAttribLocation = glBindAttribLocation_mozilla;
     i->fFunctions.fBindBuffer = glBindBuffer_mozilla;
     i->fFunctions.fBindFramebuffer = glBindFramebuffer_mozilla;
     i->fFunctions.fBindRenderbuffer = glBindRenderbuffer_mozilla;
     i->fFunctions.fBindTexture = glBindTexture_mozilla;
     i->fFunctions.fBlendFunc = glBlendFunc_mozilla;
     i->fFunctions.fBlendColor = glBlendColor_mozilla;
     i->fFunctions.fBufferData = glBufferData_mozilla;
     i->fFunctions.fBufferSubData = glBufferSubData_mozilla;
     i->fFunctions.fCheckFramebufferStatus = glCheckFramebufferStatus_mozilla;
     i->fFunctions.fClear = glClear_mozilla;
     i->fFunctions.fClearColor = glClearColor_mozilla;
     i->fFunctions.fClearStencil = glClearStencil_mozilla;
     i->fFunctions.fColorMask = glColorMask_mozilla;
     i->fFunctions.fCompileShader = glCompileShader_mozilla;
     i->fFunctions.fCopyTexSubImage2D = glCopyTexSubImage2D_mozilla;
     i->fFunctions.fCreateProgram = glCreateProgram_mozilla;
     i->fFunctions.fCreateShader = glCreateShader_mozilla;
     i->fFunctions.fCullFace = glCullFace_mozilla;
     i->fFunctions.fDeleteBuffers = glDeleteBuffers_mozilla;
     i->fFunctions.fDeleteFramebuffers = glDeleteFramebuffers_mozilla;
     i->fFunctions.fDeleteProgram = glDeleteProgram_mozilla;
     i->fFunctions.fDeleteRenderbuffers = glDeleteRenderbuffers_mozilla;
     i->fFunctions.fDeleteShader = glDeleteShader_mozilla;
     i->fFunctions.fDeleteTextures = glDeleteTextures_mozilla;
     i->fFunctions.fDepthMask = glDepthMask_mozilla;
     i->fFunctions.fDisable = glDisable_mozilla;
     i->fFunctions.fDisableVertexAttribArray = glDisableVertexAttribArray_mozilla;
     i->fFunctions.fDrawArrays = glDrawArrays_mozilla;
     i->fFunctions.fDrawElements = glDrawElements_mozilla;
     i->fFunctions.fEnable = glEnable_mozilla;
     i->fFunctions.fEnableVertexAttribArray = glEnableVertexAttribArray_mozilla;
     i->fFunctions.fFinish = glFinish_mozilla;
     i->fFunctions.fFlush = glFlush_mozilla;
     i->fFunctions.fFramebufferRenderbuffer = glFramebufferRenderbuffer_mozilla;
     i->fFunctions.fFramebufferTexture2D = glFramebufferTexture2D_mozilla;
     i->fFunctions.fFrontFace = glFrontFace_mozilla;
     i->fFunctions.fGenBuffers = glGenBuffers_mozilla;
     i->fFunctions.fGenFramebuffers = glGenFramebuffers_mozilla;
     i->fFunctions.fGenRenderbuffers = glGenRenderbuffers_mozilla;
     i->fFunctions.fGetFramebufferAttachmentParameteriv = glGetFramebufferAttachmentParameteriv_mozilla;
     i->fFunctions.fGenTextures = glGenTextures_mozilla;
     i->fFunctions.fGenerateMipmap = glGenerateMipmap_mozilla;
     i->fFunctions.fGetBufferParameteriv = glGetBufferParameteriv_mozilla;
     i->fFunctions.fGetError = glGetError_mozilla;
     i->fFunctions.fGetIntegerv = glGetIntegerv_mozilla;
     i->fFunctions.fGetProgramInfoLog = glGetProgramInfoLog_mozilla;
     i->fFunctions.fGetProgramiv = glGetProgramiv_mozilla;
     i->fFunctions.fGetRenderbufferParameteriv = glGetRenderbufferParameteriv_mozilla;
     i->fFunctions.fGetShaderInfoLog = glGetShaderInfoLog_mozilla;
     i->fFunctions.fGetShaderiv = glGetShaderiv_mozilla;
     i->fFunctions.fGetString = glGetString_mozilla;
     i->fFunctions.fGetUniformLocation = glGetUniformLocation_mozilla;
     i->fFunctions.fLineWidth = glLineWidth_mozilla;
     i->fFunctions.fLinkProgram = glLinkProgram_mozilla;
     i->fFunctions.fPixelStorei = glPixelStorei_mozilla;
     i->fFunctions.fReadPixels = glReadPixels_mozilla;
     i->fFunctions.fRenderbufferStorage = glRenderbufferStorage_mozilla;
     i->fFunctions.fScissor = glScissor_mozilla;
     i->fFunctions.fShaderSource = glShaderSource_mozilla;
     i->fFunctions.fStencilFunc = glStencilFunc_mozilla;
     i->fFunctions.fStencilMask = glStencilMask_mozilla;
     i->fFunctions.fStencilOp = glStencilOp_mozilla;
     i->fFunctions.fTexImage2D = glTexImage2D_mozilla;
     i->fFunctions.fTexParameteri = glTexParameteri_mozilla;
     i->fFunctions.fTexParameteriv = glTexParameteriv_mozilla;
     i->fFunctions.fTexSubImage2D = glTexSubImage2D_mozilla;
     i->fFunctions.fUniform1f = glUniform1f_mozilla;
     i->fFunctions.fUniform1i = glUniform1i_mozilla;
     i->fFunctions.fUniform1fv = glUniform1fv_mozilla;
     i->fFunctions.fUniform1iv = glUniform1iv_mozilla;
     i->fFunctions.fUniform2f = glUniform2f_mozilla;
     i->fFunctions.fUniform2i = glUniform2i_mozilla;
     i->fFunctions.fUniform2fv = glUniform2fv_mozilla;
     i->fFunctions.fUniform2iv = glUniform2iv_mozilla;
     i->fFunctions.fUniform3f = glUniform3f_mozilla;
     i->fFunctions.fUniform3i = glUniform3i_mozilla;
     i->fFunctions.fUniform3fv = glUniform3fv_mozilla;
     i->fFunctions.fUniform3iv = glUniform3iv_mozilla;
     i->fFunctions.fUniform4f = glUniform4f_mozilla;
     i->fFunctions.fUniform4i = glUniform4i_mozilla;
     i->fFunctions.fUniform4fv = glUniform4fv_mozilla;
     i->fFunctions.fUniform4iv = glUniform4iv_mozilla;
     i->fFunctions.fUniformMatrix2fv = glUniformMatrix2fv_mozilla;
     i->fFunctions.fUniformMatrix3fv = glUniformMatrix3fv_mozilla;
     i->fFunctions.fUniformMatrix4fv = glUniformMatrix4fv_mozilla;
     i->fFunctions.fUseProgram = glUseProgram_mozilla;
     i->fFunctions.fVertexAttrib4fv = glVertexAttrib4fv_mozilla;
     i->fFunctions.fVertexAttribPointer = glVertexAttribPointer_mozilla;
     i->fFunctions.fViewport = glViewport_mozilla;
     // Required for either desktop OpenGL 2.0 or OpenGL ES 2.0
     i->fFunctions.fStencilFuncSeparate = glStencilFuncSeparate_mozilla;
     i->fFunctions.fStencilMaskSeparate = glStencilMaskSeparate_mozilla;
     i->fFunctions.fStencilOpSeparate = glStencilOpSeparate_mozilla;
     // GLContext supports glMapBuffer
     i->fFunctions.fMapBuffer = glMapBuffer_mozilla;
     i->fFunctions.fUnmapBuffer = glUnmapBuffer_mozilla;
     // GLContext supports glRenderbufferStorageMultisample/glBlitFramebuffer
     i->fFunctions.fRenderbufferStorageMultisample = glRenderbufferStorageMultisample_mozilla;
     i->fFunctions.fBlitFramebuffer = glBlitFramebuffer_mozilla;
     // GLContext supports glCompressedTexImage2D
     i->fFunctions.fCompressedTexImage2D = glCompressedTexImage2D_mozilla;
     // GL_OES_vertex_array_object
     i->fFunctions.fBindVertexArray = glBindVertexArray_mozilla;
     i->fFunctions.fDeleteVertexArrays = glDeleteVertexArrays_mozilla;
     i->fFunctions.fGenVertexArrays = glGenVertexArrays_mozilla;
     // Desktop GL
     i->fFunctions.fGetTexLevelParameteriv = glGetTexLevelParameteriv_mozilla;
     i->fFunctions.fDrawBuffer = glDrawBuffer_mozilla;
     i->fFunctions.fReadBuffer = glReadBuffer_mozilla;
     // Desktop OpenGL > 1.5
     i->fFunctions.fGenQueries = glGenQueries_mozilla;
     i->fFunctions.fDeleteQueries = glDeleteQueries_mozilla;
     i->fFunctions.fBeginQuery = glBeginQuery_mozilla;
     i->fFunctions.fEndQuery = glEndQuery_mozilla;
     i->fFunctions.fGetQueryiv = glGetQueryiv_mozilla;
     i->fFunctions.fGetQueryObjectiv = glGetQueryObjectiv_mozilla;
     i->fFunctions.fGetQueryObjectuiv = glGetQueryObjectuiv_mozilla;
     // Desktop OpenGL > 2.0
     i->fFunctions.fDrawBuffers = glDrawBuffers_mozilla;
     // Desktop OpenGL < 3.2 (which we pretend to be)
     i->fFunctions.fLoadIdentity = glLoadIdentity_mozilla;
     i->fFunctions.fLoadMatrixf = glLoadMatrixf_mozilla;
     i->fFunctions.fMatrixMode = glMatrixMode_mozilla;
     i->fFunctions.fTexGenfv = glTexGenfv_mozilla;
     i->fFunctions.fTexGeni = glTexGeni_mozilla;
     return i;
 }
 SkiaGLGlue::SkiaGLGlue(GLContext* context)
     : mGLContext(context)
 {
     SkAutoTUnref<GrGLInterface> i(CreateGrGLInterfaceFromGLContext(mGLContext));
     i->fCallbackData = reinterpret_cast<GrGLInterfaceCallbackData>(this);
     mGrGLInterface = i;
     SkAutoTUnref<GrContext> gr(GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)mGrGLInterface.get()));
     mGrContext = gr;
 }

The Tor Browser / annotate

gfx/gl/SkiaGLGlue.cpp@b8a032363ba2 (annotated)

gfx/gl/SkiaGLGlue.cpp