Import sRGB, multisampling and timer GL extensions.

src/glimports.h

@@ -58,10 +58,28 @@ GL_IMPORT(false, PFNGLUNIFORM4FVPROC,               glUniform4fv);
 GL_IMPORT(false, PFNGLUNIFORMMATRIX3FVPROC,         glUniformMatrix3fv);
 GL_IMPORT(false, PFNGLUNIFORMMATRIX4FVPROC,         glUniformMatrix4fv);
 
+GL_IMPORT(false, PFNGLGENQUERIESPROC,               glGenQueries);
+GL_IMPORT(false, PFNGLDELETEQUERIESPROC,            glDeleteQueries);
+GL_IMPORT(false, PFNGLBEGINQUERYPROC,               glBeginQuery);
+GL_IMPORT(false, PFNGLENDQUERYPROC,                 glEndQuery);
+GL_IMPORT(false, PFNGLGETQUERYIVPROC,               glGetQueryiv);
+GL_IMPORT(false, PFNGLGETQUERYOBJECTIVPROC,         glGetQueryObjectiv);
+GL_IMPORT(false, PFNGLGETQUERYOBJECTUIVPROC,        glGetQueryObjectuiv);
+
 GL_IMPORT(true,  PFNGLGETPROGRAMBINARYPROC,         glGetProgramBinary);
 GL_IMPORT(true,  PFNGLPROGRAMBINARYPROC,            glProgramBinary);
 GL_IMPORT(true,  PFNGLPROGRAMPARAMETERIPROC,        glProgramParameteri);
 
+GL_IMPORT(true,  PFNGLBLITFRAMEBUFFEREXTPROC,       glBlitFramebufferEXT);
+
+GL_IMPORT(true,  PFNGLQUERYCOUNTERPROC,             glQueryCounter);
+GL_IMPORT(true,  PFNGLGETQUERYOBJECTI64VPROC,       glGetQueryObjecti64v);
+GL_IMPORT(true,  PFNGLGETQUERYOBJECTUI64VPROC,      glGetQueryObjectui64v);
+GL_IMPORT(true,  PFNGLGETQUERYOBJECTI64VEXTPROC,    glGetQueryObjecti64vEXT);
+GL_IMPORT(true,  PFNGLGETQUERYOBJECTUI64VEXTPROC,   glGetQueryObjectui64vEXT);
+
+GL_IMPORT(true,  PFNGLSAMPLECOVERAGEARBPROC,        glSampleCoverageARB);
+
 #if BGFX_CONFIG_DEBUG_GREMEDY
 GL_IMPORT(true,  PFNGLSTRINGMARKERGREMEDYPROC,      glStringMarkerGREMEDY);
 GL_IMPORT(true,  PFNGLFRAMETERMINATORGREMEDYPROC,   glFrameTerminatorGREMEDY);

src/renderer_gl.cpp

@@ -396,6 +396,13 @@ namespace bgfx
 			OES_standard_derivatives,
 			ARB_get_program_binary,
 			OES_get_program_binary,
+			EXT_framebuffer_blit,
+			ARB_timer_query,
+			EXT_timer_query,
+			EXT_texture_sRGB,
+			ARB_framebuffer_sRGB,
+			EXT_framebuffer_sRGB,
+			ARB_multisample,
 
 			Count
 		};
@@ -417,6 +424,13 @@ namespace bgfx
 		{ "GL_OES_standard_derivatives",          false, true },
 		{ "GL_ARB_get_program_binary",            false, true },
 		{ "GL_OES_get_program_binary",            false, false },
+		{ "GL_EXT_framebuffer_blit",              false, true },
+		{ "GL_ARB_timer_query",                   false, true },
+		{ "GL_EXT_timer_query",                   false, true },
+		{ "GL_EXT_texture_sRGB",                  false, true },
+		{ "GL_ARB_framebuffer_sRGB",              false, true },
+		{ "GL_EXT_framebuffer_sRGB",              false, true },
+		{ "GL_ARB_multisample",                   false, true },
 	};
 
 	static const GLenum s_primType[] =
@@ -1429,6 +1443,12 @@ namespace bgfx
  			pos += len+1;
  		}
 
+		BX_TRACE("Supported extensions:");
+		for (uint32_t ii = 0; ii < Extension::Count; ++ii)
+		{
+			BX_TRACE("\t%2d: %s", ii, s_extension[ii].m_name);
+		}
+
 		s_renderCtx.m_dxtSupport = true
 			&& s_extension[Extension::EXT_texture_compression_dxt1].m_supported
 			&& s_extension[Extension::CHROMIUM_texture_compression_dxt3].m_supported