Moved the logic of maintaining the current context to gles2 helper library.

Review URL: http://codereview.chromium.org/5927002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69838 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 289 insertions, 28 deletions

diff --git a/ppapi/lib/gl/gles2/gl2ext_ppapi.c b/ppapi/lib/gl/gles2/gl2ext_ppapi.c
index ce2d130..1759413 100644
--- a/ppapi/lib/gl/gles2/gl2ext_ppapi.c
+++ b/ppapi/lib/gl/gles2/gl2ext_ppapi.c
@@ -4,26 +4,52 @@
 
 #include "ppapi/lib/gl/gles2/gl2ext_ppapi.h"
 
-static const struct PPB_OpenGLES_Dev* g_gles2_interface;
-
-int GL_APIENTRY glInitializePPAPI(
-    PP_Module module,
+#ifndef GL_FALSE
+#define GL_FALSE 0
+#endif  // GL_FALSE
+
+#ifndef GL_TRUE
+#define GL_TRUE 1
+#endif  // GL_TRUE
+
+#if defined(__GNUC__) && !defined(__APPLE__)
+#define PP_TLS __thread
+#elif defined(_MSC_VER)
+#define PP_TLS __declspec(thread)
+#else
+// TODO(alokp): Fix all other platforms.
+#define PP_TLS
+#endif
+
+// TODO(alokp): This will need to be thread-safe if we build gles2 as a
+// shared library.
+static const struct PPB_OpenGLES2_Dev* g_gles2_interface = NULL;
+
+// TODO(alokp): Make sure PP_TLS works on all supported platforms.
+static PP_TLS PP_Resource g_current_context = 0;
+
+GLboolean GL_APIENTRY glInitializePPAPI(
     PPB_GetInterface get_browser_interface) {
-  return 0;
+  if (!g_gles2_interface) {
+    g_gles2_interface = get_browser_interface(PPB_OPENGLES2_DEV_INTERFACE);
+  }
+  return g_gles2_interface ? GL_TRUE : GL_FALSE;
 }
 
-int GL_APIENTRY glTerminatePPAPI() {
-  return 0;
+GLboolean GL_APIENTRY glTerminatePPAPI() {
+  g_gles2_interface = NULL;
+  return GL_TRUE;
 }
 
 void GL_APIENTRY glSetCurrentContextPPAPI(PP_Resource context) {
+  g_current_context = context;
 }
 
 PP_Resource GL_APIENTRY glGetCurrentContextPPAPI() {
-  return 0;
+  return g_current_context;
 }
 
-const struct PPB_OpenGLES_Dev* GL_APIENTRY glGetInterfacePPAPI() {
+const struct PPB_OpenGLES2_Dev* GL_APIENTRY glGetInterfacePPAPI() {
   return g_gles2_interface;
 }
 
diff --git a/ppapi/lib/gl/gles2/gl2ext_ppapi.h b/ppapi/lib/gl/gles2/gl2ext_ppapi.h
index 63b2b32..97953ce 100644
--- a/ppapi/lib/gl/gles2/gl2ext_ppapi.h
+++ b/ppapi/lib/gl/gles2/gl2ext_ppapi.h
@@ -9,7 +9,6 @@
 
 #include <GLES2/gl2platform.h>
 
-#include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/ppb.h"
 #include "ppapi/c/dev/ppb_opengles_dev.h"
@@ -21,13 +20,12 @@ extern "C" {
 // Initializes OpenGL ES 2.0 library.
 // Must be called once before making any gl calls.
 // GL_FALSE is returned on failure, GL_TRUE otherwise.
-GL_APICALL int GL_APIENTRY glInitializePPAPI(
-    PP_Module module,
+GL_APICALL GLboolean GL_APIENTRY glInitializePPAPI(
     PPB_GetInterface get_browser_interface);
 
 // Terminates OpenGL ES 2.0 library.
 // GL_FALSE is returned on failure, GL_TRUE otherwise.
-GL_APICALL int GL_APIENTRY glTerminatePPAPI();
+GL_APICALL GLboolean GL_APIENTRY glTerminatePPAPI();
 
 // Sets context to be used for rendering in the current thread.
 GL_APICALL void GL_APIENTRY glSetCurrentContextPPAPI(PP_Resource context);
@@ -37,7 +35,7 @@ GL_APICALL void GL_APIENTRY glSetCurrentContextPPAPI(PP_Resource context);
 GL_APICALL PP_Resource GL_APIENTRY glGetCurrentContextPPAPI();
 
 // Returns OpenGL ES 2.0 interface.
-GL_APICALL const struct PPB_OpenGLES_Dev* GL_APIENTRY glGetInterfacePPAPI();
+GL_APICALL const struct PPB_OpenGLES2_Dev* GL_APIENTRY glGetInterfacePPAPI();
 
 #ifdef __cplusplus
 }
diff --git a/ppapi/lib/gl/gles2/gles2.c b/ppapi/lib/gl/gles2/gles2.c
index 69c4de8..fe27e1b 100644
--- a/ppapi/lib/gl/gles2/gles2.c
+++ b/ppapi/lib/gl/gles2/gles2.c
@@ -5,512 +5,749 @@
 // This file is auto-generated. DO NOT EDIT!
 
 #include <GLES2/gl2.h>
+#include "ppapi/lib/gl/gles2/gl2ext_ppapi.h"
 
 void GL_APIENTRY glActiveTexture(GLenum texture) {
+  glGetInterfacePPAPI()->ActiveTexture(glGetCurrentContextPPAPI(), texture);
 }
 
 void GL_APIENTRY glAttachShader(GLuint program, GLuint shader) {
+  glGetInterfacePPAPI()->AttachShader(
+      glGetCurrentContextPPAPI(), program, shader);
 }
 
 void GL_APIENTRY glBindAttribLocation(
     GLuint program, GLuint index, const char* name) {
+  glGetInterfacePPAPI()->BindAttribLocation(
+      glGetCurrentContextPPAPI(), program, index, name);
 }
 
 void GL_APIENTRY glBindBuffer(GLenum target, GLuint buffer) {
+  glGetInterfacePPAPI()->BindBuffer(
+      glGetCurrentContextPPAPI(), target, buffer);
 }
 
 void GL_APIENTRY glBindFramebuffer(GLenum target, GLuint framebuffer) {
+  glGetInterfacePPAPI()->BindFramebuffer(
+      glGetCurrentContextPPAPI(), target, framebuffer);
 }
 
 void GL_APIENTRY glBindRenderbuffer(GLenum target, GLuint renderbuffer) {
+  glGetInterfacePPAPI()->BindRenderbuffer(
+      glGetCurrentContextPPAPI(), target, renderbuffer);
 }
 
 void GL_APIENTRY glBindTexture(GLenum target, GLuint texture) {
+  glGetInterfacePPAPI()->BindTexture(
+      glGetCurrentContextPPAPI(), target, texture);
 }
 
 void GL_APIENTRY glBlendColor(
     GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
+  glGetInterfacePPAPI()->BlendColor(
+      glGetCurrentContextPPAPI(), red, green, blue, alpha);
 }
 
 void GL_APIENTRY glBlendEquation(GLenum mode) {
+  glGetInterfacePPAPI()->BlendEquation(glGetCurrentContextPPAPI(), mode);
 }
 
 void GL_APIENTRY glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) {
+  glGetInterfacePPAPI()->BlendEquationSeparate(
+      glGetCurrentContextPPAPI(), modeRGB, modeAlpha);
 }
 
 void GL_APIENTRY glBlendFunc(GLenum sfactor, GLenum dfactor) {
+  glGetInterfacePPAPI()->BlendFunc(
+      glGetCurrentContextPPAPI(), sfactor, dfactor);
 }
 
 void GL_APIENTRY glBlendFuncSeparate(
     GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) {
+  glGetInterfacePPAPI()->BlendFuncSeparate(
+      glGetCurrentContextPPAPI(), srcRGB, dstRGB, srcAlpha, dstAlpha);
 }
 
 void GL_APIENTRY glBufferData(
     GLenum target, GLsizeiptr size, const void* data, GLenum usage) {
+  glGetInterfacePPAPI()->BufferData(
+      glGetCurrentContextPPAPI(), target, size, data, usage);
 }
 
 void GL_APIENTRY glBufferSubData(
     GLenum target, GLintptr offset, GLsizeiptr size, const void* data) {
+  glGetInterfacePPAPI()->BufferSubData(
+      glGetCurrentContextPPAPI(), target, offset, size, data);
 }
 
 GLenum GL_APIENTRY glCheckFramebufferStatus(GLenum target) {
-  return 0;
+  return glGetInterfacePPAPI()->CheckFramebufferStatus(
+      glGetCurrentContextPPAPI(), target);
 }
 
 void GL_APIENTRY glClear(GLbitfield mask) {
+  glGetInterfacePPAPI()->Clear(glGetCurrentContextPPAPI(), mask);
 }
 
 void GL_APIENTRY glClearColor(
     GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) {
+  glGetInterfacePPAPI()->ClearColor(
+      glGetCurrentContextPPAPI(), red, green, blue, alpha);
 }
 
 void GL_APIENTRY glClearDepthf(GLclampf depth) {
+  glGetInterfacePPAPI()->ClearDepthf(glGetCurrentContextPPAPI(), depth);
 }
 
 void GL_APIENTRY glClearStencil(GLint s) {
+  glGetInterfacePPAPI()->ClearStencil(glGetCurrentContextPPAPI(), s);
 }
 
 void GL_APIENTRY glColorMask(
     GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) {
+  glGetInterfacePPAPI()->ColorMask(
+      glGetCurrentContextPPAPI(), red, green, blue, alpha);
 }
 
 void GL_APIENTRY glCompileShader(GLuint shader) {
+  glGetInterfacePPAPI()->CompileShader(glGetCurrentContextPPAPI(), shader);
 }
 
 void GL_APIENTRY glCompressedTexImage2D(
     GLenum target, GLint level, GLenum internalformat, GLsizei width,
     GLsizei height, GLint border, GLsizei imageSize, const void* data) {
+  glGetInterfacePPAPI()->CompressedTexImage2D(
+      glGetCurrentContextPPAPI(), target, level, internalformat, width, height,
+      border, imageSize, data);
 }
 
 void GL_APIENTRY glCompressedTexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
     GLsizei height, GLenum format, GLsizei imageSize, const void* data) {
+  glGetInterfacePPAPI()->CompressedTexSubImage2D(
+      glGetCurrentContextPPAPI(), target, level, xoffset, yoffset, width,
+      height, format, imageSize, data);
 }
 
 void GL_APIENTRY glCopyTexImage2D(
     GLenum target, GLint level, GLenum internalformat, GLint x, GLint y,
     GLsizei width, GLsizei height, GLint border) {
+  glGetInterfacePPAPI()->CopyTexImage2D(
+      glGetCurrentContextPPAPI(), target, level, internalformat, x, y, width,
+      height, border);
 }
 
 void GL_APIENTRY glCopyTexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y,
     GLsizei width, GLsizei height) {
+  glGetInterfacePPAPI()->CopyTexSubImage2D(
+      glGetCurrentContextPPAPI(), target, level, xoffset, yoffset, x, y, width,
+      height);
 }
 
 GLuint GL_APIENTRY glCreateProgram() {
-  return 0;
+  return glGetInterfacePPAPI()->CreateProgram(glGetCurrentContextPPAPI());
 }
 
 GLuint GL_APIENTRY glCreateShader(GLenum type) {
-  return 0;
+  return glGetInterfacePPAPI()->CreateShader(glGetCurrentContextPPAPI(), type);
 }
 
 void GL_APIENTRY glCullFace(GLenum mode) {
+  glGetInterfacePPAPI()->CullFace(glGetCurrentContextPPAPI(), mode);
 }
 
 void GL_APIENTRY glDeleteBuffers(GLsizei n, const GLuint* buffers) {
+  glGetInterfacePPAPI()->DeleteBuffers(glGetCurrentContextPPAPI(), n, buffers);
 }
 
 void GL_APIENTRY glDeleteFramebuffers(GLsizei n, const GLuint* framebuffers) {
+  glGetInterfacePPAPI()->DeleteFramebuffers(
+      glGetCurrentContextPPAPI(), n, framebuffers);
 }
 
 void GL_APIENTRY glDeleteProgram(GLuint program) {
+  glGetInterfacePPAPI()->DeleteProgram(glGetCurrentContextPPAPI(), program);
 }
 
 void GL_APIENTRY glDeleteRenderbuffers(
     GLsizei n, const GLuint* renderbuffers) {
+  glGetInterfacePPAPI()->DeleteRenderbuffers(
+      glGetCurrentContextPPAPI(), n, renderbuffers);
 }
 
 void GL_APIENTRY glDeleteShader(GLuint shader) {
+  glGetInterfacePPAPI()->DeleteShader(glGetCurrentContextPPAPI(), shader);
 }
 
 void GL_APIENTRY glDeleteTextures(GLsizei n, const GLuint* textures) {
+  glGetInterfacePPAPI()->DeleteTextures(
+      glGetCurrentContextPPAPI(), n, textures);
 }
 
 void GL_APIENTRY glDepthFunc(GLenum func) {
+  glGetInterfacePPAPI()->DepthFunc(glGetCurrentContextPPAPI(), func);
 }
 
 void GL_APIENTRY glDepthMask(GLboolean flag) {
+  glGetInterfacePPAPI()->DepthMask(glGetCurrentContextPPAPI(), flag);
 }
 
 void GL_APIENTRY glDepthRangef(GLclampf zNear, GLclampf zFar) {
+  glGetInterfacePPAPI()->DepthRangef(glGetCurrentContextPPAPI(), zNear, zFar);
 }
 
 void GL_APIENTRY glDetachShader(GLuint program, GLuint shader) {
+  glGetInterfacePPAPI()->DetachShader(
+      glGetCurrentContextPPAPI(), program, shader);
 }
 
 void GL_APIENTRY glDisable(GLenum cap) {
+  glGetInterfacePPAPI()->Disable(glGetCurrentContextPPAPI(), cap);
 }
 
 void GL_APIENTRY glDisableVertexAttribArray(GLuint index) {
+  glGetInterfacePPAPI()->DisableVertexAttribArray(
+      glGetCurrentContextPPAPI(), index);
 }
 
 void GL_APIENTRY glDrawArrays(GLenum mode, GLint first, GLsizei count) {
+  glGetInterfacePPAPI()->DrawArrays(
+      glGetCurrentContextPPAPI(), mode, first, count);
 }
 
 void GL_APIENTRY glDrawElements(
     GLenum mode, GLsizei count, GLenum type, const void* indices) {
+  glGetInterfacePPAPI()->DrawElements(
+      glGetCurrentContextPPAPI(), mode, count, type, indices);
 }
 
 void GL_APIENTRY glEnable(GLenum cap) {
+  glGetInterfacePPAPI()->Enable(glGetCurrentContextPPAPI(), cap);
 }
 
 void GL_APIENTRY glEnableVertexAttribArray(GLuint index) {
+  glGetInterfacePPAPI()->EnableVertexAttribArray(
+      glGetCurrentContextPPAPI(), index);
 }
 
 void GL_APIENTRY glFinish() {
+  glGetInterfacePPAPI()->Finish(glGetCurrentContextPPAPI());
 }
 
 void GL_APIENTRY glFlush() {
+  glGetInterfacePPAPI()->Flush(glGetCurrentContextPPAPI());
 }
 
 void GL_APIENTRY glFramebufferRenderbuffer(
     GLenum target, GLenum attachment, GLenum renderbuffertarget,
     GLuint renderbuffer) {
+  glGetInterfacePPAPI()->FramebufferRenderbuffer(
+      glGetCurrentContextPPAPI(), target, attachment, renderbuffertarget,
+      renderbuffer);
 }
 
 void GL_APIENTRY glFramebufferTexture2D(
     GLenum target, GLenum attachment, GLenum textarget, GLuint texture,
     GLint level) {
+  glGetInterfacePPAPI()->FramebufferTexture2D(
+      glGetCurrentContextPPAPI(), target, attachment, textarget, texture,
+      level);
 }
 
 void GL_APIENTRY glFrontFace(GLenum mode) {
+  glGetInterfacePPAPI()->FrontFace(glGetCurrentContextPPAPI(), mode);
 }
 
 void GL_APIENTRY glGenBuffers(GLsizei n, GLuint* buffers) {
+  glGetInterfacePPAPI()->GenBuffers(glGetCurrentContextPPAPI(), n, buffers);
 }
 
 void GL_APIENTRY glGenerateMipmap(GLenum target) {
+  glGetInterfacePPAPI()->GenerateMipmap(glGetCurrentContextPPAPI(), target);
 }
 
 void GL_APIENTRY glGenFramebuffers(GLsizei n, GLuint* framebuffers) {
+  glGetInterfacePPAPI()->GenFramebuffers(
+      glGetCurrentContextPPAPI(), n, framebuffers);
 }
 
 void GL_APIENTRY glGenRenderbuffers(GLsizei n, GLuint* renderbuffers) {
+  glGetInterfacePPAPI()->GenRenderbuffers(
+      glGetCurrentContextPPAPI(), n, renderbuffers);
 }
 
 void GL_APIENTRY glGenTextures(GLsizei n, GLuint* textures) {
+  glGetInterfacePPAPI()->GenTextures(glGetCurrentContextPPAPI(), n, textures);
 }
 
 void GL_APIENTRY glGetActiveAttrib(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
     GLenum* type, char* name) {
+  glGetInterfacePPAPI()->GetActiveAttrib(
+      glGetCurrentContextPPAPI(), program, index, bufsize, length, size, type,
+      name);
 }
 
 void GL_APIENTRY glGetActiveUniform(
     GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size,
     GLenum* type, char* name) {
+  glGetInterfacePPAPI()->GetActiveUniform(
+      glGetCurrentContextPPAPI(), program, index, bufsize, length, size, type,
+      name);
 }
 
 void GL_APIENTRY glGetAttachedShaders(
     GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) {
+  glGetInterfacePPAPI()->GetAttachedShaders(
+      glGetCurrentContextPPAPI(), program, maxcount, count, shaders);
 }
 
 GLint GL_APIENTRY glGetAttribLocation(GLuint program, const char* name) {
-  return 0;
+  return glGetInterfacePPAPI()->GetAttribLocation(
+      glGetCurrentContextPPAPI(), program, name);
 }
 
 void GL_APIENTRY glGetBooleanv(GLenum pname, GLboolean* params) {
+  glGetInterfacePPAPI()->GetBooleanv(
+      glGetCurrentContextPPAPI(), pname, params);
 }
 
 void GL_APIENTRY glGetBufferParameteriv(
     GLenum target, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetBufferParameteriv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 GLenum GL_APIENTRY glGetError() {
-  return 0;
+  return glGetInterfacePPAPI()->GetError(glGetCurrentContextPPAPI());
 }
 
 void GL_APIENTRY glGetFloatv(GLenum pname, GLfloat* params) {
+  glGetInterfacePPAPI()->GetFloatv(glGetCurrentContextPPAPI(), pname, params);
 }
 
 void GL_APIENTRY glGetFramebufferAttachmentParameteriv(
     GLenum target, GLenum attachment, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetFramebufferAttachmentParameteriv(
+      glGetCurrentContextPPAPI(), target, attachment, pname, params);
 }
 
 void GL_APIENTRY glGetIntegerv(GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetIntegerv(
+      glGetCurrentContextPPAPI(), pname, params);
 }
 
 void GL_APIENTRY glGetProgramiv(GLuint program, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetProgramiv(
+      glGetCurrentContextPPAPI(), program, pname, params);
 }
 
 void GL_APIENTRY glGetProgramInfoLog(
     GLuint program, GLsizei bufsize, GLsizei* length, char* infolog) {
+  glGetInterfacePPAPI()->GetProgramInfoLog(
+      glGetCurrentContextPPAPI(), program, bufsize, length, infolog);
 }
 
 void GL_APIENTRY glGetRenderbufferParameteriv(
     GLenum target, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetRenderbufferParameteriv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 void GL_APIENTRY glGetShaderiv(GLuint shader, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetShaderiv(
+      glGetCurrentContextPPAPI(), shader, pname, params);
 }
 
 void GL_APIENTRY glGetShaderInfoLog(
     GLuint shader, GLsizei bufsize, GLsizei* length, char* infolog) {
+  glGetInterfacePPAPI()->GetShaderInfoLog(
+      glGetCurrentContextPPAPI(), shader, bufsize, length, infolog);
 }
 
 void GL_APIENTRY glGetShaderPrecisionFormat(
     GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) {
+  glGetInterfacePPAPI()->GetShaderPrecisionFormat(
+      glGetCurrentContextPPAPI(), shadertype, precisiontype, range, precision);
 }
 
 void GL_APIENTRY glGetShaderSource(
     GLuint shader, GLsizei bufsize, GLsizei* length, char* source) {
+  glGetInterfacePPAPI()->GetShaderSource(
+      glGetCurrentContextPPAPI(), shader, bufsize, length, source);
 }
 
 const GLubyte* GL_APIENTRY glGetString(GLenum name) {
-  return 0;
+  return glGetInterfacePPAPI()->GetString(glGetCurrentContextPPAPI(), name);
 }
 
 void GL_APIENTRY glGetTexParameterfv(
     GLenum target, GLenum pname, GLfloat* params) {
+  glGetInterfacePPAPI()->GetTexParameterfv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 void GL_APIENTRY glGetTexParameteriv(
     GLenum target, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetTexParameteriv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 void GL_APIENTRY glGetUniformfv(
     GLuint program, GLint location, GLfloat* params) {
+  glGetInterfacePPAPI()->GetUniformfv(
+      glGetCurrentContextPPAPI(), program, location, params);
 }
 
 void GL_APIENTRY glGetUniformiv(
     GLuint program, GLint location, GLint* params) {
+  glGetInterfacePPAPI()->GetUniformiv(
+      glGetCurrentContextPPAPI(), program, location, params);
 }
 
 GLint GL_APIENTRY glGetUniformLocation(GLuint program, const char* name) {
-  return 0;
+  return glGetInterfacePPAPI()->GetUniformLocation(
+      glGetCurrentContextPPAPI(), program, name);
 }
 
 void GL_APIENTRY glGetVertexAttribfv(
     GLuint index, GLenum pname, GLfloat* params) {
+  glGetInterfacePPAPI()->GetVertexAttribfv(
+      glGetCurrentContextPPAPI(), index, pname, params);
 }
 
 void GL_APIENTRY glGetVertexAttribiv(
     GLuint index, GLenum pname, GLint* params) {
+  glGetInterfacePPAPI()->GetVertexAttribiv(
+      glGetCurrentContextPPAPI(), index, pname, params);
 }
 
 void GL_APIENTRY glGetVertexAttribPointerv(
     GLuint index, GLenum pname, void** pointer) {
+  glGetInterfacePPAPI()->GetVertexAttribPointerv(
+      glGetCurrentContextPPAPI(), index, pname, pointer);
 }
 
 void GL_APIENTRY glHint(GLenum target, GLenum mode) {
+  glGetInterfacePPAPI()->Hint(glGetCurrentContextPPAPI(), target, mode);
 }
 
 GLboolean GL_APIENTRY glIsBuffer(GLuint buffer) {
-  return 0;
+  return glGetInterfacePPAPI()->IsBuffer(glGetCurrentContextPPAPI(), buffer);
 }
 
 GLboolean GL_APIENTRY glIsEnabled(GLenum cap) {
-  return 0;
+  return glGetInterfacePPAPI()->IsEnabled(glGetCurrentContextPPAPI(), cap);
 }
 
 GLboolean GL_APIENTRY glIsFramebuffer(GLuint framebuffer) {
-  return 0;
+  return glGetInterfacePPAPI()->IsFramebuffer(
+      glGetCurrentContextPPAPI(), framebuffer);
 }
 
 GLboolean GL_APIENTRY glIsProgram(GLuint program) {
-  return 0;
+  return glGetInterfacePPAPI()->IsProgram(glGetCurrentContextPPAPI(), program);
 }
 
 GLboolean GL_APIENTRY glIsRenderbuffer(GLuint renderbuffer) {
-  return 0;
+  return glGetInterfacePPAPI()->IsRenderbuffer(
+      glGetCurrentContextPPAPI(), renderbuffer);
 }
 
 GLboolean GL_APIENTRY glIsShader(GLuint shader) {
-  return 0;
+  return glGetInterfacePPAPI()->IsShader(glGetCurrentContextPPAPI(), shader);
 }
 
 GLboolean GL_APIENTRY glIsTexture(GLuint texture) {
-  return 0;
+  return glGetInterfacePPAPI()->IsTexture(glGetCurrentContextPPAPI(), texture);
 }
 
 void GL_APIENTRY glLineWidth(GLfloat width) {
+  glGetInterfacePPAPI()->LineWidth(glGetCurrentContextPPAPI(), width);
 }
 
 void GL_APIENTRY glLinkProgram(GLuint program) {
+  glGetInterfacePPAPI()->LinkProgram(glGetCurrentContextPPAPI(), program);
 }
 
 void GL_APIENTRY glPixelStorei(GLenum pname, GLint param) {
+  glGetInterfacePPAPI()->PixelStorei(glGetCurrentContextPPAPI(), pname, param);
 }
 
 void GL_APIENTRY glPolygonOffset(GLfloat factor, GLfloat units) {
+  glGetInterfacePPAPI()->PolygonOffset(
+      glGetCurrentContextPPAPI(), factor, units);
 }
 
 void GL_APIENTRY glReadPixels(
     GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
     void* pixels) {
+  glGetInterfacePPAPI()->ReadPixels(
+      glGetCurrentContextPPAPI(), x, y, width, height, format, type, pixels);
 }
 
 void GL_APIENTRY glReleaseShaderCompiler() {
+  glGetInterfacePPAPI()->ReleaseShaderCompiler(glGetCurrentContextPPAPI());
 }
 
 void GL_APIENTRY glRenderbufferStorage(
     GLenum target, GLenum internalformat, GLsizei width, GLsizei height) {
+  glGetInterfacePPAPI()->RenderbufferStorage(
+      glGetCurrentContextPPAPI(), target, internalformat, width, height);
 }
 
 void GL_APIENTRY glSampleCoverage(GLclampf value, GLboolean invert) {
+  glGetInterfacePPAPI()->SampleCoverage(
+      glGetCurrentContextPPAPI(), value, invert);
 }
 
 void GL_APIENTRY glScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
+  glGetInterfacePPAPI()->Scissor(
+      glGetCurrentContextPPAPI(), x, y, width, height);
 }
 
 void GL_APIENTRY glShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) {
+  glGetInterfacePPAPI()->ShaderBinary(
+      glGetCurrentContextPPAPI(), n, shaders, binaryformat, binary, length);
 }
 
 void GL_APIENTRY glShaderSource(
     GLuint shader, GLsizei count, const char** str, const GLint* length) {
+  glGetInterfacePPAPI()->ShaderSource(
+      glGetCurrentContextPPAPI(), shader, count, str, length);
 }
 
 void GL_APIENTRY glStencilFunc(GLenum func, GLint ref, GLuint mask) {
+  glGetInterfacePPAPI()->StencilFunc(
+      glGetCurrentContextPPAPI(), func, ref, mask);
 }
 
 void GL_APIENTRY glStencilFuncSeparate(
     GLenum face, GLenum func, GLint ref, GLuint mask) {
+  glGetInterfacePPAPI()->StencilFuncSeparate(
+      glGetCurrentContextPPAPI(), face, func, ref, mask);
 }
 
 void GL_APIENTRY glStencilMask(GLuint mask) {
+  glGetInterfacePPAPI()->StencilMask(glGetCurrentContextPPAPI(), mask);
 }
 
 void GL_APIENTRY glStencilMaskSeparate(GLenum face, GLuint mask) {
+  glGetInterfacePPAPI()->StencilMaskSeparate(
+      glGetCurrentContextPPAPI(), face, mask);
 }
 
 void GL_APIENTRY glStencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
+  glGetInterfacePPAPI()->StencilOp(
+      glGetCurrentContextPPAPI(), fail, zfail, zpass);
 }
 
 void GL_APIENTRY glStencilOpSeparate(
     GLenum face, GLenum fail, GLenum zfail, GLenum zpass) {
+  glGetInterfacePPAPI()->StencilOpSeparate(
+      glGetCurrentContextPPAPI(), face, fail, zfail, zpass);
 }
 
 void GL_APIENTRY glTexImage2D(
     GLenum target, GLint level, GLint internalformat, GLsizei width,
     GLsizei height, GLint border, GLenum format, GLenum type,
     const void* pixels) {
+  glGetInterfacePPAPI()->TexImage2D(
+      glGetCurrentContextPPAPI(), target, level, internalformat, width, height,
+      border, format, type, pixels);
 }
 
 void GL_APIENTRY glTexParameterf(GLenum target, GLenum pname, GLfloat param) {
+  glGetInterfacePPAPI()->TexParameterf(
+      glGetCurrentContextPPAPI(), target, pname, param);
 }
 
 void GL_APIENTRY glTexParameterfv(
     GLenum target, GLenum pname, const GLfloat* params) {
+  glGetInterfacePPAPI()->TexParameterfv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 void GL_APIENTRY glTexParameteri(GLenum target, GLenum pname, GLint param) {
+  glGetInterfacePPAPI()->TexParameteri(
+      glGetCurrentContextPPAPI(), target, pname, param);
 }
 
 void GL_APIENTRY glTexParameteriv(
     GLenum target, GLenum pname, const GLint* params) {
+  glGetInterfacePPAPI()->TexParameteriv(
+      glGetCurrentContextPPAPI(), target, pname, params);
 }
 
 void GL_APIENTRY glTexSubImage2D(
     GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width,
     GLsizei height, GLenum format, GLenum type, const void* pixels) {
+  glGetInterfacePPAPI()->TexSubImage2D(
+      glGetCurrentContextPPAPI(), target, level, xoffset, yoffset, width,
+      height, format, type, pixels);
 }
 
 void GL_APIENTRY glUniform1f(GLint location, GLfloat x) {
+  glGetInterfacePPAPI()->Uniform1f(glGetCurrentContextPPAPI(), location, x);
 }
 
 void GL_APIENTRY glUniform1fv(
     GLint location, GLsizei count, const GLfloat* v) {
+  glGetInterfacePPAPI()->Uniform1fv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform1i(GLint location, GLint x) {
+  glGetInterfacePPAPI()->Uniform1i(glGetCurrentContextPPAPI(), location, x);
 }
 
 void GL_APIENTRY glUniform1iv(GLint location, GLsizei count, const GLint* v) {
+  glGetInterfacePPAPI()->Uniform1iv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform2f(GLint location, GLfloat x, GLfloat y) {
+  glGetInterfacePPAPI()->Uniform2f(glGetCurrentContextPPAPI(), location, x, y);
 }
 
 void GL_APIENTRY glUniform2fv(
     GLint location, GLsizei count, const GLfloat* v) {
+  glGetInterfacePPAPI()->Uniform2fv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform2i(GLint location, GLint x, GLint y) {
+  glGetInterfacePPAPI()->Uniform2i(glGetCurrentContextPPAPI(), location, x, y);
 }
 
 void GL_APIENTRY glUniform2iv(GLint location, GLsizei count, const GLint* v) {
+  glGetInterfacePPAPI()->Uniform2iv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z) {
+  glGetInterfacePPAPI()->Uniform3f(
+      glGetCurrentContextPPAPI(), location, x, y, z);
 }
 
 void GL_APIENTRY glUniform3fv(
     GLint location, GLsizei count, const GLfloat* v) {
+  glGetInterfacePPAPI()->Uniform3fv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform3i(GLint location, GLint x, GLint y, GLint z) {
+  glGetInterfacePPAPI()->Uniform3i(
+      glGetCurrentContextPPAPI(), location, x, y, z);
 }
 
 void GL_APIENTRY glUniform3iv(GLint location, GLsizei count, const GLint* v) {
+  glGetInterfacePPAPI()->Uniform3iv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform4f(
     GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
+  glGetInterfacePPAPI()->Uniform4f(
+      glGetCurrentContextPPAPI(), location, x, y, z, w);
 }
 
 void GL_APIENTRY glUniform4fv(
     GLint location, GLsizei count, const GLfloat* v) {
+  glGetInterfacePPAPI()->Uniform4fv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniform4i(
     GLint location, GLint x, GLint y, GLint z, GLint w) {
+  glGetInterfacePPAPI()->Uniform4i(
+      glGetCurrentContextPPAPI(), location, x, y, z, w);
 }
 
 void GL_APIENTRY glUniform4iv(GLint location, GLsizei count, const GLint* v) {
+  glGetInterfacePPAPI()->Uniform4iv(
+      glGetCurrentContextPPAPI(), location, count, v);
 }
 
 void GL_APIENTRY glUniformMatrix2fv(
     GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
+  glGetInterfacePPAPI()->UniformMatrix2fv(
+      glGetCurrentContextPPAPI(), location, count, transpose, value);
 }
 
 void GL_APIENTRY glUniformMatrix3fv(
     GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
+  glGetInterfacePPAPI()->UniformMatrix3fv(
+      glGetCurrentContextPPAPI(), location, count, transpose, value);
 }
 
 void GL_APIENTRY glUniformMatrix4fv(
     GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) {
+  glGetInterfacePPAPI()->UniformMatrix4fv(
+      glGetCurrentContextPPAPI(), location, count, transpose, value);
 }
 
 void GL_APIENTRY glUseProgram(GLuint program) {
+  glGetInterfacePPAPI()->UseProgram(glGetCurrentContextPPAPI(), program);
 }
 
 void GL_APIENTRY glValidateProgram(GLuint program) {
+  glGetInterfacePPAPI()->ValidateProgram(glGetCurrentContextPPAPI(), program);
 }
 
 void GL_APIENTRY glVertexAttrib1f(GLuint indx, GLfloat x) {
+  glGetInterfacePPAPI()->VertexAttrib1f(glGetCurrentContextPPAPI(), indx, x);
 }
 
 void GL_APIENTRY glVertexAttrib1fv(GLuint indx, const GLfloat* values) {
+  glGetInterfacePPAPI()->VertexAttrib1fv(
+      glGetCurrentContextPPAPI(), indx, values);
 }
 
 void GL_APIENTRY glVertexAttrib2f(GLuint indx, GLfloat x, GLfloat y) {
+  glGetInterfacePPAPI()->VertexAttrib2f(
+      glGetCurrentContextPPAPI(), indx, x, y);
 }
 
 void GL_APIENTRY glVertexAttrib2fv(GLuint indx, const GLfloat* values) {
+  glGetInterfacePPAPI()->VertexAttrib2fv(
+      glGetCurrentContextPPAPI(), indx, values);
 }
 
 void GL_APIENTRY glVertexAttrib3f(
     GLuint indx, GLfloat x, GLfloat y, GLfloat z) {
+  glGetInterfacePPAPI()->VertexAttrib3f(
+      glGetCurrentContextPPAPI(), indx, x, y, z);
 }
 
 void GL_APIENTRY glVertexAttrib3fv(GLuint indx, const GLfloat* values) {
+  glGetInterfacePPAPI()->VertexAttrib3fv(
+      glGetCurrentContextPPAPI(), indx, values);
 }
 
 void GL_APIENTRY glVertexAttrib4f(
     GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
+  glGetInterfacePPAPI()->VertexAttrib4f(
+      glGetCurrentContextPPAPI(), indx, x, y, z, w);
 }
 
 void GL_APIENTRY glVertexAttrib4fv(GLuint indx, const GLfloat* values) {
+  glGetInterfacePPAPI()->VertexAttrib4fv(
+      glGetCurrentContextPPAPI(), indx, values);
 }
 
 void GL_APIENTRY glVertexAttribPointer(
     GLuint indx, GLint size, GLenum type, GLboolean normalized, GLsizei stride,
     const void* ptr) {
+  glGetInterfacePPAPI()->VertexAttribPointer(
+      glGetCurrentContextPPAPI(), indx, size, type, normalized, stride, ptr);
 }
 
 void GL_APIENTRY glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
+  glGetInterfacePPAPI()->Viewport(
+      glGetCurrentContextPPAPI(), x, y, width, height);
 }