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Added GL 3.1 core profile shader patching.

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bkaradzic
2013-12-20 19:51:17 -08:00
parent 0f3d6037a6
commit 7e656fa4ef
68 changed files with 34 additions and 6 deletions
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3
src/glimports.h
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@@ -15,7 +15,7 @@
// OpenGL 2.1 Reference Pages
// http://www.opengl.org/sdk/docs/man/
#if BX_PLATFORM_WINDOWS
#if BX_PLATFORM_WINDOWS || BGFX_CONFIG_RENDERER_OPENGL >= 31
GL_IMPORT____(false, PFNGLGETERRORPROC, glGetError);
GL_IMPORT____(false, PFNGLREADPIXELSPROC, glReadPixels);
GL_IMPORT____(false, PFNGLTEXIMAGE2DPROC, glTexImage2D);
@@ -100,6 +100,7 @@ GL_IMPORT____(false, PFNGLGENRENDERBUFFERSPROC, glGenRenderbuff
GL_IMPORT____(false, PFNGLDELETERENDERBUFFERSPROC, glDeleteRenderbuffers);
GL_IMPORT____(false, PFNGLRENDERBUFFERSTORAGEPROC, glRenderbufferStorage);
GL_IMPORT____(false, PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC, glRenderbufferStorageMultisample);
GL_IMPORT____(false, PFNGLBINDFRAGDATALOCATIONPROC, glBindFragDataLocation);
#else
GL_IMPORT_EXT(false, PFNGLBINDFRAMEBUFFEREXTPROC, glBindFramebuffer);
GL_IMPORT_EXT(false, PFNGLGENFRAMEBUFFERSEXTPROC, glGenFramebuffers);

29
src/renderer_gl.cpp
View File

@@ -1109,6 +1109,10 @@ namespace bgfx
GLint activeAttribs;
GLint activeUniforms;
#if BGFX_CONFIG_RENDERER_OPENGL >= 31
GL_CHECK(glBindFragDataLocation(m_id, 0, "bgfx_FragColor") );
#endif // BGFX_CONFIG_RENDERER_OPENGL >= 31
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_ATTRIBUTES, &activeAttribs) );
GL_CHECK(glGetProgramiv(m_id, GL_ACTIVE_UNIFORMS, &activeUniforms) );
@@ -1910,6 +1914,31 @@ namespace bgfx
}
}
}
#elif BGFX_CONFIG_RENDERER_OPENGL >= 31
size_t codeLen = strlen(code);
size_t tempLen = codeLen + 1024;
char* temp = (char*)alloca(tempLen);
bx::StaticMemoryBlockWriter writer(temp, tempLen);
writeString(&writer, "#version 140\n");
if (_type == GL_FRAGMENT_SHADER)
{
writeString(&writer, "#define varying in\n");
writeString(&writer, "#define texture2D texture\n");
writeString(&writer, "#define texture3D texture\n");
writeString(&writer, "#define textureCube texture\n");
writeString(&writer, "out vec4 bgfx_FragColor;\n");
writeString(&writer, "#define gl_FragColor bgfx_FragColor\n");
}
else
{
writeString(&writer, "#define attribute in\n");
writeString(&writer, "#define varying out\n");
}
bx::write(&writer, code, codeLen);
bx::write(&writer, '\0');
code = temp;
#endif // BGFX_CONFIG_RENDERER_OPENGLES2
GL_CHECK(glShaderSource(m_id, 1, (const GLchar**)&code, NULL) );