* found in the LICENSE file.
*/
-#include "gl/GrGLExtensions.h"
-#include "gl/GrGLInterface.h"
+#include "gl/GrGLAssembleInterface.h"
#include "../GrGLUtil.h"
-#define GL_GLEXT_PROTOTYPES
#include "osmesa_wrapper.h"
-#define GR_GL_GET_PROC(F) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \
- OSMesaGetProcAddress("gl" #F);
-#define GR_GL_GET_PROC_SUFFIX(F, S) interface->fFunctions.f ## F = (GrGL ## F ## Proc) \
- OSMesaGetProcAddress("gl" #F #S);
-
-// We use OSMesaGetProcAddress for every gl function to avoid accidentally using
-// non-Mesa gl functions.
+static GrGLFuncPtr osmesa_get(void* ctx, const char name[]) {
+ SkASSERT(NULL == ctx);
+ SkASSERT(NULL != OSMesaGetCurrentContext());
+ return OSMesaGetProcAddress(name);
+}
const GrGLInterface* GrGLCreateMesaInterface() {
- if (NULL != OSMesaGetCurrentContext()) {
-
- GrGLGetStringProc getString = (GrGLGetStringProc) OSMesaGetProcAddress("glGetString");
- GrGLGetStringiProc getStringi = (GrGLGetStringiProc) OSMesaGetProcAddress("glGetStringi");
- GrGLGetIntegervProc getIntegerv =
- (GrGLGetIntegervProc) OSMesaGetProcAddress("glGetIntegerv");
-
- GrGLExtensions extensions;
- if (!extensions.init(kGL_GrGLStandard, getString, getStringi, getIntegerv)) {
- return NULL;
- }
-
- const char* versionString = (const char*) getString(GL_VERSION);
- GrGLVersion glVer = GrGLGetVersionFromString(versionString);
-
- if (glVer < GR_GL_VER(1,5)) {
- // We must have array and element_array buffer objects.
- return NULL;
- }
- GrGLInterface* interface = SkNEW(GrGLInterface());
-
- GR_GL_GET_PROC(ActiveTexture);
- GR_GL_GET_PROC(BeginQuery);
- GR_GL_GET_PROC(AttachShader);
- GR_GL_GET_PROC(BindAttribLocation);
- GR_GL_GET_PROC(BindBuffer);
- GR_GL_GET_PROC(BindFragDataLocation);
- GR_GL_GET_PROC(BindTexture);
- GR_GL_GET_PROC(BlendFunc);
-
- if (glVer >= GR_GL_VER(1,4) ||
- extensions.has("GL_ARB_imaging") ||
- extensions.has("GL_EXT_blend_color")) {
- GR_GL_GET_PROC(BlendColor);
- }
-
- GR_GL_GET_PROC(BufferData);
- GR_GL_GET_PROC(BufferSubData);
- GR_GL_GET_PROC(Clear);
- GR_GL_GET_PROC(ClearColor);
- GR_GL_GET_PROC(ClearStencil);
- GR_GL_GET_PROC(ClientActiveTexture);
- GR_GL_GET_PROC(ColorMask);
- GR_GL_GET_PROC(CompileShader);
- GR_GL_GET_PROC(CompressedTexImage2D);
- GR_GL_GET_PROC(CopyTexSubImage2D);
- GR_GL_GET_PROC(CreateProgram);
- GR_GL_GET_PROC(CreateShader);
- GR_GL_GET_PROC(CullFace);
- GR_GL_GET_PROC(DeleteBuffers);
- GR_GL_GET_PROC(DeleteProgram);
- GR_GL_GET_PROC(DeleteQueries);
- GR_GL_GET_PROC(DeleteShader);
- GR_GL_GET_PROC(DeleteTextures);
- GR_GL_GET_PROC(DepthMask);
- GR_GL_GET_PROC(Disable);
- GR_GL_GET_PROC(DisableClientState);
- GR_GL_GET_PROC(DisableVertexAttribArray);
- GR_GL_GET_PROC(DrawArrays);
- GR_GL_GET_PROC(DrawBuffer);
- GR_GL_GET_PROC(DrawBuffers);
- GR_GL_GET_PROC(DrawElements);
- GR_GL_GET_PROC(Enable);
- GR_GL_GET_PROC(EnableClientState);
- GR_GL_GET_PROC(EnableVertexAttribArray);
- GR_GL_GET_PROC(EndQuery);
- GR_GL_GET_PROC(Finish);
- GR_GL_GET_PROC(Flush);
- GR_GL_GET_PROC(FrontFace);
- GR_GL_GET_PROC(GenBuffers);
- GR_GL_GET_PROC(GenerateMipmap);
- GR_GL_GET_PROC(GenQueries);
- GR_GL_GET_PROC(GetBufferParameteriv);
- GR_GL_GET_PROC(GetError);
- GR_GL_GET_PROC(GetIntegerv);
- GR_GL_GET_PROC(GetProgramInfoLog);
- GR_GL_GET_PROC(GetProgramiv);
- if (glVer >= GR_GL_VER(3,3) || extensions.has("GL_ARB_timer_query")) {
- GR_GL_GET_PROC(GetQueryObjecti64v);
- GR_GL_GET_PROC(GetQueryObjectui64v)
- GR_GL_GET_PROC(QueryCounter);
- } else if (extensions.has("GL_EXT_timer_query")) {
- GR_GL_GET_PROC_SUFFIX(GetQueryObjecti64v, EXT);
- GR_GL_GET_PROC_SUFFIX(GetQueryObjectui64v, EXT);
- }
- GR_GL_GET_PROC(GetQueryObjectiv);
- GR_GL_GET_PROC(GetQueryObjectuiv);
- GR_GL_GET_PROC(GetQueryiv);
- GR_GL_GET_PROC(GetShaderInfoLog);
- GR_GL_GET_PROC(GetShaderiv);
- GR_GL_GET_PROC(GetString);
- GR_GL_GET_PROC(GetStringi);
- GR_GL_GET_PROC(GetTexLevelParameteriv);
- GR_GL_GET_PROC(GenTextures);
- GR_GL_GET_PROC(GetUniformLocation);
- GR_GL_GET_PROC(LineWidth);
- GR_GL_GET_PROC(LinkProgram);
- GR_GL_GET_PROC(LoadIdentity);
- GR_GL_GET_PROC(LoadMatrixf);
- GR_GL_GET_PROC(MatrixMode);
- GR_GL_GET_PROC(MapBuffer);
- GR_GL_GET_PROC(PixelStorei);
- GR_GL_GET_PROC(ReadBuffer);
- GR_GL_GET_PROC(ReadPixels);
- GR_GL_GET_PROC(Scissor);
- GR_GL_GET_PROC(ShaderSource);
- GR_GL_GET_PROC(StencilFunc);
- GR_GL_GET_PROC(StencilFuncSeparate);
- GR_GL_GET_PROC(StencilMask);
- GR_GL_GET_PROC(StencilMaskSeparate);
- GR_GL_GET_PROC(StencilOp);
- GR_GL_GET_PROC(StencilOpSeparate);
- GR_GL_GET_PROC(TexGenf);
- GR_GL_GET_PROC(TexGenfv);
- GR_GL_GET_PROC(TexGeni);
- GR_GL_GET_PROC(TexImage2D)
- GR_GL_GET_PROC(TexParameteri);
- GR_GL_GET_PROC(TexParameteriv);
- GR_GL_GET_PROC(TexStorage2D);
- if (NULL == interface->fFunctions.fTexStorage2D) {
- GR_GL_GET_PROC_SUFFIX(TexStorage2D, EXT);
- }
- GR_GL_GET_PROC(TexSubImage2D);
- GR_GL_GET_PROC(Uniform1f);
- GR_GL_GET_PROC(Uniform1i);
- GR_GL_GET_PROC(Uniform1fv);
- GR_GL_GET_PROC(Uniform1iv);
- GR_GL_GET_PROC(Uniform2f);
- GR_GL_GET_PROC(Uniform2i);
- GR_GL_GET_PROC(Uniform2fv);
- GR_GL_GET_PROC(Uniform2iv);
- GR_GL_GET_PROC(Uniform3f);
- GR_GL_GET_PROC(Uniform3i);
- GR_GL_GET_PROC(Uniform3fv);
- GR_GL_GET_PROC(Uniform3iv);
- GR_GL_GET_PROC(Uniform4f);
- GR_GL_GET_PROC(Uniform4i);
- GR_GL_GET_PROC(Uniform4fv);
- GR_GL_GET_PROC(Uniform4iv);
- GR_GL_GET_PROC(UniformMatrix2fv);
- GR_GL_GET_PROC(UniformMatrix3fv);
- GR_GL_GET_PROC(UniformMatrix4fv);
- GR_GL_GET_PROC(UnmapBuffer);
- GR_GL_GET_PROC(UseProgram);
- GR_GL_GET_PROC(VertexAttrib4fv);
- GR_GL_GET_PROC(VertexAttribPointer);
- GR_GL_GET_PROC(VertexPointer);
- GR_GL_GET_PROC(Viewport);
-
- if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_vertex_array_object")) {
- // no ARB suffix for GL_ARB_vertex_array_object
- GR_GL_GET_PROC(BindVertexArray);
- GR_GL_GET_PROC(DeleteVertexArrays);
- GR_GL_GET_PROC(GenVertexArrays);
- }
-
- // First look for GL3.0 FBO or GL_ARB_framebuffer_object (same since
- // GL_ARB_framebuffer_object doesn't use ARB suffix.)
- if (glVer >= GR_GL_VER(3,0) || extensions.has("GL_ARB_framebuffer_object")) {
- GR_GL_GET_PROC(GenFramebuffers);
- GR_GL_GET_PROC(GetFramebufferAttachmentParameteriv);
- GR_GL_GET_PROC(GetRenderbufferParameteriv);
- GR_GL_GET_PROC(BindFramebuffer);
- GR_GL_GET_PROC(FramebufferTexture2D);
- GR_GL_GET_PROC(CheckFramebufferStatus);
- GR_GL_GET_PROC(DeleteFramebuffers);
- GR_GL_GET_PROC(RenderbufferStorage);
- GR_GL_GET_PROC(GenRenderbuffers);
- GR_GL_GET_PROC(DeleteRenderbuffers);
- GR_GL_GET_PROC(FramebufferRenderbuffer);
- GR_GL_GET_PROC(BindRenderbuffer);
- GR_GL_GET_PROC(RenderbufferStorageMultisample);
- GR_GL_GET_PROC(BlitFramebuffer);
- } else if (extensions.has("GL_EXT_framebuffer_object")) {
- GR_GL_GET_PROC_SUFFIX(GenFramebuffers, EXT);
- GR_GL_GET_PROC_SUFFIX(GetFramebufferAttachmentParameteriv, EXT);
- GR_GL_GET_PROC_SUFFIX(GetRenderbufferParameteriv, EXT);
- GR_GL_GET_PROC_SUFFIX(BindFramebuffer, EXT);
- GR_GL_GET_PROC_SUFFIX(FramebufferTexture2D, EXT);
- GR_GL_GET_PROC_SUFFIX(CheckFramebufferStatus, EXT);
- GR_GL_GET_PROC_SUFFIX(DeleteFramebuffers, EXT);
- GR_GL_GET_PROC_SUFFIX(RenderbufferStorage, EXT);
- GR_GL_GET_PROC_SUFFIX(GenRenderbuffers, EXT);
- GR_GL_GET_PROC_SUFFIX(DeleteRenderbuffers, EXT);
- GR_GL_GET_PROC_SUFFIX(FramebufferRenderbuffer, EXT);
- GR_GL_GET_PROC_SUFFIX(BindRenderbuffer, EXT);
- if (extensions.has("GL_EXT_framebuffer_multisample")) {
- GR_GL_GET_PROC_SUFFIX(RenderbufferStorageMultisample, EXT);
- }
- if (extensions.has("GL_EXT_framebuffer_blit")) {
- GR_GL_GET_PROC_SUFFIX(BlitFramebuffer, EXT);
- }
- } else {
- // we must have FBOs
- delete interface;
- return NULL;
- }
- GR_GL_GET_PROC(BindFragDataLocationIndexed);
-
- interface->fStandard = kGL_GrGLStandard;
- interface->fExtensions.swap(&extensions);
-
- return interface;
- } else {
+ if (NULL == OSMesaGetCurrentContext()) {
return NULL;
}
+ return GrGLAssembleGLInterface(NULL, osmesa_get);
}
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