/* -*- 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/include/gpu/GrContext.h" #include "skia/include/gpu/gl/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 sGLContext; extern "C" { static void SetStaticGLContext(GLContext* context) { if (!sGLContext.initialized()) { mozilla::DebugOnly success = sGLContext.init(); MOZ_ASSERT(success); } sGLContext.set(context); } void EnsureGLContext(const GrGLInterface* i) { const SkiaGLGlue* contextSkia = reinterpret_cast(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("OpenGL ES 2.0"); } else { return reinterpret_cast("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(extensionsString); } else if (name == LOCAL_GL_SHADING_LANGUAGE_VERSION) { if (sGLContext.get()->IsGLES()) { return reinterpret_cast("OpenGL ES GLSL ES 1.0"); } else { return reinterpret_cast("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); } } // 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)) { delete i; 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; return i; } SkiaGLGlue::SkiaGLGlue(GLContext* context) : mGLContext(context) { mGrGLInterface.adopt(CreateGrGLInterfaceFromGLContext(mGLContext)); mGrGLInterface->fCallbackData = reinterpret_cast(this); mGrContext.adopt(GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)mGrGLInterface.get())); } SkiaGLGlue::~SkiaGLGlue() { /* * These members have inter-dependencies, but do not keep each other alive, so * destruction order is very important here: mGrContext uses mGrGLInterface, and * through it, uses mGLContext */ mGrContext = nullptr; mGrGLInterface = nullptr; mGLContext = nullptr; }