OpenGL2: Use loader for all extension funcs.
This commit is contained in:
SmileTheory
parent
2ef99c8528
commit
716438168f
9 changed files with 158 additions and 288 deletions
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@ -36,6 +36,11 @@ QGL_1_3_PROCS;
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QGL_1_4_PROCS;
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QGL_1_5_PROCS;
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QGL_2_0_PROCS;
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QGL_EXT_framebuffer_object_PROCS;
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QGL_EXT_framebuffer_blit_PROCS;
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QGL_EXT_framebuffer_multisample_PROCS;
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QGL_ARB_vertex_array_object_PROCS;
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QGL_EXT_direct_state_access_PROCS;
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#undef GLE
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// GL_EXT_framebuffer_object
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@ -142,18 +147,23 @@ void GLimp_InitExtraExtensions()
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char *extension;
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const char* result[3] = { "...ignoring %s\n", "...using %s\n", "...%s not found\n" };
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// Check OpenGL version
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sscanf(glConfig.version_string, "%d.%d", &glRefConfig.openglMajorVersion, &glRefConfig.openglMinorVersion);
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if (glRefConfig.openglMajorVersion < 2)
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ri.Error(ERR_FATAL, "OpenGL 2.0 required!");
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ri.Printf(PRINT_ALL, "...using OpenGL %s\n", glConfig.version_string);
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// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
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// set DSA fallbacks
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#define GLE(ret, name, ...) qgl##name = GLDSA_##name;
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QGL_EXT_direct_state_access_PROCS;
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#undef GLE
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// GL function loader, based on https://gist.github.com/rygorous/16796a0c876cf8a5f542caddb55bce8a
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#define GLE(ret, name, ...) qgl##name = (name##proc *) SDL_GL_GetProcAddress("gl" #name);
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// OpenGL 1.2, was GL_EXT_draw_range_elements
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QGL_1_2_PROCS;
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glRefConfig.drawRangeElements = r_ext_draw_range_elements->integer ? qtrue : qfalse;
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glRefConfig.drawRangeElements = !!r_ext_draw_range_elements->integer;
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ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glDrawRangeElements()");
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// OpenGL 1.3, was GL_ARB_texture_compression
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@ -161,8 +171,8 @@ void GLimp_InitExtraExtensions()
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// OpenGL 1.4, was GL_EXT_multi_draw_arrays
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QGL_1_4_PROCS;
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glRefConfig.drawRangeElements = r_ext_multi_draw_arrays->integer ? qtrue : qfalse;
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ri.Printf(PRINT_ALL, result[glRefConfig.drawRangeElements], "glMultiDrawElements()");
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glRefConfig.multiDrawArrays = !!r_ext_multi_draw_arrays->integer;
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ri.Printf(PRINT_ALL, result[glRefConfig.multiDrawArrays], "glMultiDrawElements()");
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// OpenGL 1.5, was GL_ARB_vertex_buffer_object and GL_ARB_occlusion_query
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QGL_1_5_PROCS;
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@ -171,8 +181,7 @@ void GLimp_InitExtraExtensions()
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// OpenGL 2.0, was GL_ARB_shading_language_100, GL_ARB_vertex_program, GL_ARB_shader_objects, and GL_ARB_vertex_shader
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QGL_2_0_PROCS;
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#undef GLE
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// Determine GLSL version
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if (1)
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{
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char version[256];
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@ -186,23 +195,45 @@ void GLimp_InitExtraExtensions()
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glRefConfig.memInfo = MI_NONE;
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if( GLimp_HaveExtension( "GL_NVX_gpu_memory_info" ) )
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// GL_NVX_gpu_memory_info
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extension = "GL_NVX_gpu_memory_info";
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if( GLimp_HaveExtension( extension ) )
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{
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glRefConfig.memInfo = MI_NVX;
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ri.Printf(PRINT_ALL, result[1], extension);
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}
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else if( GLimp_HaveExtension( "GL_ATI_meminfo" ) )
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else
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{
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glRefConfig.memInfo = MI_ATI;
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ri.Printf(PRINT_ALL, result[2], extension);
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}
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// GL_ATI_meminfo
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extension = "GL_ATI_meminfo";
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if( GLimp_HaveExtension( extension ) )
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{
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if (glRefConfig.memInfo == MI_NONE)
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{
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glRefConfig.memInfo = MI_ATI;
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ri.Printf(PRINT_ALL, result[1], extension);
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}
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else
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{
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ri.Printf(PRINT_ALL, result[0], extension);
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}
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}
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else
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{
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ri.Printf(PRINT_ALL, result[2], extension);
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}
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// GL_ARB_texture_non_power_of_two
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extension = "GL_ARB_texture_non_power_of_two";
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glRefConfig.textureNonPowerOfTwo = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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if(1) //(r_ext_texture_non_power_of_two->integer)
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{
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glRefConfig.textureNonPowerOfTwo = qtrue;
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}
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glRefConfig.textureNonPowerOfTwo = qtrue; // !!r_ext_texture_non_power_of_two->integer
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ri.Printf(PRINT_ALL, result[glRefConfig.textureNonPowerOfTwo], extension);
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}
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@ -216,10 +247,7 @@ void GLimp_InitExtraExtensions()
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glRefConfig.textureFloat = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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if( r_ext_texture_float->integer )
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{
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glRefConfig.textureFloat = qtrue;
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}
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glRefConfig.textureFloat = !!r_ext_texture_float->integer;
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ri.Printf(PRINT_ALL, result[glRefConfig.textureFloat], extension);
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}
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@ -233,8 +261,7 @@ void GLimp_InitExtraExtensions()
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glRefConfig.halfFloatPixel = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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if( r_arb_half_float_pixel->integer )
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glRefConfig.halfFloatPixel = qtrue;
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glRefConfig.halfFloatPixel = !!r_arb_half_float_pixel->integer;
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ri.Printf(PRINT_ALL, result[glRefConfig.halfFloatPixel], extension);
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}
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@ -248,29 +275,12 @@ void GLimp_InitExtraExtensions()
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glRefConfig.framebufferObject = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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glRefConfig.framebufferObject = !!r_ext_framebuffer_object->integer;
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glGetIntegerv(GL_MAX_RENDERBUFFER_SIZE_EXT, &glRefConfig.maxRenderbufferSize);
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glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &glRefConfig.maxColorAttachments);
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qglIsRenderbufferEXT = (PFNGLISRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glIsRenderbufferEXT");
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qglBindRenderbufferEXT = (PFNGLBINDRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glBindRenderbufferEXT");
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qglDeleteRenderbuffersEXT = (PFNGLDELETERENDERBUFFERSEXTPROC) SDL_GL_GetProcAddress("glDeleteRenderbuffersEXT");
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qglGenRenderbuffersEXT = (PFNGLGENRENDERBUFFERSEXTPROC) SDL_GL_GetProcAddress("glGenRenderbuffersEXT");
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qglRenderbufferStorageEXT = (PFNGLRENDERBUFFERSTORAGEEXTPROC) SDL_GL_GetProcAddress("glRenderbufferStorageEXT");
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qglGetRenderbufferParameterivEXT = (PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC) SDL_GL_GetProcAddress("glGetRenderbufferParameterivEXT");
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qglIsFramebufferEXT = (PFNGLISFRAMEBUFFEREXTPROC) SDL_GL_GetProcAddress("glIsFramebufferEXT");
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qglBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC) SDL_GL_GetProcAddress("glBindFramebufferEXT");
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qglDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC) SDL_GL_GetProcAddress("glDeleteFramebuffersEXT");
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qglGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC) SDL_GL_GetProcAddress("glGenFramebuffersEXT");
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qglCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC) SDL_GL_GetProcAddress("glCheckFramebufferStatusEXT");
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qglFramebufferTexture1DEXT = (PFNGLFRAMEBUFFERTEXTURE1DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture1DEXT");
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qglFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture2DEXT");
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qglFramebufferTexture3DEXT = (PFNGLFRAMEBUFFERTEXTURE3DEXTPROC) SDL_GL_GetProcAddress("glFramebufferTexture3DEXT");
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qglFramebufferRenderbufferEXT = (PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC) SDL_GL_GetProcAddress("glFramebufferRenderbufferEXT");
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qglGetFramebufferAttachmentParameterivEXT = (PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC) SDL_GL_GetProcAddress("glGetFramebufferAttachmentParameterivEXT");
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qglGenerateMipmapEXT = (PFNGLGENERATEMIPMAPEXTPROC) SDL_GL_GetProcAddress("glGenerateMipmapEXT");
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if(r_ext_framebuffer_object->value)
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glRefConfig.framebufferObject = qtrue;
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QGL_EXT_framebuffer_object_PROCS;
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ri.Printf(PRINT_ALL, result[glRefConfig.framebufferObject], extension);
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}
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@ -279,26 +289,15 @@ void GLimp_InitExtraExtensions()
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ri.Printf(PRINT_ALL, result[2], extension);
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}
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// GL_EXT_packed_depth_stencil
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extension = "GL_EXT_packed_depth_stencil";
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glRefConfig.packedDepthStencil = qfalse;
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if( GLimp_HaveExtension(extension))
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{
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glRefConfig.packedDepthStencil = qtrue;
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ri.Printf(PRINT_ALL, result[glRefConfig.packedDepthStencil], extension);
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}
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else
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{
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ri.Printf(PRINT_ALL, result[2], extension);
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}
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// GL_EXT_framebuffer_blit
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extension = "GL_EXT_framebuffer_blit";
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glRefConfig.framebufferBlit = qfalse;
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if (GLimp_HaveExtension(extension))
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{
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qglBlitFramebufferEXT = (void *)SDL_GL_GetProcAddress("glBlitFramebufferEXT");
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glRefConfig.framebufferBlit = qtrue;
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QGL_EXT_framebuffer_blit_PROCS;
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ri.Printf(PRINT_ALL, result[glRefConfig.framebufferBlit], extension);
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}
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else
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@ -311,8 +310,10 @@ void GLimp_InitExtraExtensions()
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glRefConfig.framebufferMultisample = qfalse;
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if (GLimp_HaveExtension(extension))
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{
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qglRenderbufferStorageMultisampleEXT = (void *)SDL_GL_GetProcAddress("glRenderbufferStorageMultisampleEXT");
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glRefConfig.framebufferMultisample = qtrue;
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QGL_EXT_framebuffer_multisample_PROCS;
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ri.Printf(PRINT_ALL, result[glRefConfig.framebufferMultisample], extension);
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}
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else
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@ -326,10 +327,12 @@ void GLimp_InitExtraExtensions()
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extension = "GL_ARB_texture_compression_rgtc";
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if (GLimp_HaveExtension(extension))
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{
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if (r_ext_compressed_textures->integer)
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qboolean useRgtc = r_ext_compressed_textures->integer >= 1;
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if (useRgtc)
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glRefConfig.textureCompression |= TCR_RGTC;
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ri.Printf(PRINT_ALL, result[r_ext_compressed_textures->integer ? 1 : 0], extension);
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ri.Printf(PRINT_ALL, result[useRgtc], extension);
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}
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else
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{
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@ -342,10 +345,12 @@ void GLimp_InitExtraExtensions()
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extension = "GL_ARB_texture_compression_bptc";
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if (GLimp_HaveExtension(extension))
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{
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if (r_ext_compressed_textures->integer >= 2)
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qboolean useBptc = r_ext_compressed_textures->integer >= 2;
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if (useBptc)
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glRefConfig.textureCompression |= TCR_BPTC;
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ri.Printf(PRINT_ALL, result[(r_ext_compressed_textures->integer >= 2) ? 1 : 0], extension);
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ri.Printf(PRINT_ALL, result[useBptc], extension);
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}
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else
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{
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@ -358,7 +363,8 @@ void GLimp_InitExtraExtensions()
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if( GLimp_HaveExtension( extension ) )
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{
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glRefConfig.depthClamp = qtrue;
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ri.Printf(PRINT_ALL, result[1], extension);
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ri.Printf(PRINT_ALL, result[glRefConfig.depthClamp], extension);
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}
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else
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{
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@ -370,8 +376,7 @@ void GLimp_InitExtraExtensions()
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glRefConfig.seamlessCubeMap = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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if (r_arb_seamless_cube_map->integer)
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glRefConfig.seamlessCubeMap = qtrue;
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glRefConfig.seamlessCubeMap = !!r_arb_seamless_cube_map->integer;
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ri.Printf(PRINT_ALL, result[glRefConfig.seamlessCubeMap], extension);
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}
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@ -385,10 +390,12 @@ void GLimp_InitExtraExtensions()
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glRefConfig.packedNormalDataType = GL_BYTE;
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if( GLimp_HaveExtension( extension ) )
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{
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if (r_arb_vertex_type_2_10_10_10_rev->integer)
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qboolean useExt = !!r_arb_vertex_type_2_10_10_10_rev->integer;
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if (useExt)
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glRefConfig.packedNormalDataType = GL_INT_2_10_10_10_REV;
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ri.Printf(PRINT_ALL, result[r_arb_vertex_type_2_10_10_10_rev->integer ? 1 : 0], extension);
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ri.Printf(PRINT_ALL, result[useExt], extension);
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}
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else
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{
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@ -403,15 +410,11 @@ void GLimp_InitExtraExtensions()
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glRefConfig.vertexArrayObject = qfalse;
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if( GLimp_HaveExtension( extension ) )
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{
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qglBindVertexArrayARB = (void *) SDL_GL_GetProcAddress("glBindVertexArray");
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qglDeleteVertexArraysARB = (void *) SDL_GL_GetProcAddress("glDeleteVertexArrays");
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qglGenVertexArraysARB = (void *) SDL_GL_GetProcAddress("glGenVertexArrays");
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qglIsVertexArrayARB = (void *) SDL_GL_GetProcAddress("glIsVertexArray");
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glRefConfig.vertexArrayObject = !!r_arb_vertex_array_object->integer;
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if (r_arb_vertex_array_object->integer)
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glRefConfig.vertexArrayObject = qtrue;
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QGL_ARB_vertex_array_object_PROCS;
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ri.Printf(PRINT_ALL, result[glRefConfig.vertexArrayObject ? 1 : 0], extension);
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ri.Printf(PRINT_ALL, result[glRefConfig.vertexArrayObject], extension);
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}
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else
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{
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@ -426,7 +429,9 @@ void GLimp_InitExtraExtensions()
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glRefConfig.packedColorDataSize = sizeof(float) * 4;
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if( GLimp_HaveExtension( extension ) )
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{
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if (r_arb_half_float_vertex->integer)
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qboolean useExt = !!r_arb_half_float_vertex->integer;
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if (useExt)
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{
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glRefConfig.packedTexcoordDataType = GL_HALF_FLOAT;
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glRefConfig.packedTexcoordDataSize = sizeof(uint16_t) * 2;
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@ -434,7 +439,7 @@ void GLimp_InitExtraExtensions()
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glRefConfig.packedColorDataSize = sizeof(uint16_t) * 4;
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}
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ri.Printf(PRINT_ALL, result[r_arb_half_float_vertex->integer ? 1 : 0], extension);
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ri.Printf(PRINT_ALL, result[useExt], extension);
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}
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else
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{
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@ -443,66 +448,23 @@ void GLimp_InitExtraExtensions()
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// GL_EXT_direct_state_access
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extension = "GL_EXT_direct_state_access";
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qglBindMultiTexture = GLDSA_BindMultiTexture;
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qglTextureParameterf = GLDSA_TextureParameterf;
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qglTextureParameteri = GLDSA_TextureParameteri;
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qglTextureImage2D = GLDSA_TextureImage2D;
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qglTextureSubImage2D = GLDSA_TextureSubImage2D;
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qglCopyTextureImage2D = GLDSA_CopyTextureImage2D;
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qglCompressedTextureImage2D = GLDSA_CompressedTextureImage2D;
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qglCompressedTextureSubImage2D = GLDSA_CompressedTextureSubImage2D;
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qglGenerateTextureMipmap = GLDSA_GenerateTextureMipmap;
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qglProgramUniform1i = GLDSA_ProgramUniform1i;
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qglProgramUniform1f = GLDSA_ProgramUniform1f;
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qglProgramUniform2f = GLDSA_ProgramUniform2f;
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qglProgramUniform3f = GLDSA_ProgramUniform3f;
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qglProgramUniform4f = GLDSA_ProgramUniform4f;
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qglProgramUniform1fv = GLDSA_ProgramUniform1fv;
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qglProgramUniformMatrix4fv = GLDSA_ProgramUniformMatrix4fv;
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qglNamedRenderbufferStorage = GLDSA_NamedRenderbufferStorage;
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qglNamedRenderbufferStorageMultisample = GLDSA_NamedRenderbufferStorageMultisample;
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qglCheckNamedFramebufferStatus = GLDSA_CheckNamedFramebufferStatus;
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qglNamedFramebufferTexture2D = GLDSA_NamedFramebufferTexture2D;
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qglNamedFramebufferRenderbuffer = GLDSA_NamedFramebufferRenderbuffer;
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glRefConfig.directStateAccess = qfalse;
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if (GLimp_HaveExtension(extension))
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{
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if (r_ext_direct_state_access->integer)
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glRefConfig.directStateAccess = !!r_ext_direct_state_access->integer;
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// QGL_*_PROCS becomes several functions, do not remove {}
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if (glRefConfig.directStateAccess)
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{
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glRefConfig.directStateAccess = qtrue;
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qglBindMultiTexture = (void *)SDL_GL_GetProcAddress("glBindMultiTextureEXT");
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qglTextureParameterf = (void *)SDL_GL_GetProcAddress("glTextureParameterfEXT");
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qglTextureParameteri = (void *)SDL_GL_GetProcAddress("glTextureParameteriEXT");
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qglTextureImage2D = (void *)SDL_GL_GetProcAddress("glTextureImage2DEXT");
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qglTextureSubImage2D = (void *)SDL_GL_GetProcAddress("glTextureSubImage2DEXT");
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qglCopyTextureImage2D = (void *)SDL_GL_GetProcAddress("glCopyTextureImage2DEXT");
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qglCompressedTextureImage2D = (void *)SDL_GL_GetProcAddress("glCompressedTextureImage2DEXT");
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qglCompressedTextureSubImage2D = (void *)SDL_GL_GetProcAddress("glCompressedTextureSubImage2DEXT");
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qglGenerateTextureMipmap = (void *)SDL_GL_GetProcAddress("glGenerateTextureMipmapEXT");
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qglProgramUniform1i = (void *)SDL_GL_GetProcAddress("glProgramUniform1iEXT");
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qglProgramUniform1f = (void *)SDL_GL_GetProcAddress("glProgramUniform1fEXT");
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qglProgramUniform2f = (void *)SDL_GL_GetProcAddress("glProgramUniform2fEXT");
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qglProgramUniform3f = (void *)SDL_GL_GetProcAddress("glProgramUniform3fEXT");
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qglProgramUniform4f = (void *)SDL_GL_GetProcAddress("glProgramUniform4fEXT");
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qglProgramUniform1fv = (void *)SDL_GL_GetProcAddress("glProgramUniform1fvEXT");
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qglProgramUniformMatrix4fv = (void *)SDL_GL_GetProcAddress("glProgramUniformMatrix4fvEXT");
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qglNamedRenderbufferStorage = (void *)SDL_GL_GetProcAddress("glNamedRenderbufferStorageEXT");
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qglNamedRenderbufferStorageMultisample = (void *)SDL_GL_GetProcAddress("glNamedRenderbufferStorageMultisampleEXT");
|
||||
qglCheckNamedFramebufferStatus = (void *)SDL_GL_GetProcAddress("glCheckNamedFramebufferStatusEXT");
|
||||
qglNamedFramebufferTexture2D = (void *)SDL_GL_GetProcAddress("glNamedFramebufferTexture2DEXT");
|
||||
qglNamedFramebufferRenderbuffer = (void *)SDL_GL_GetProcAddress("glNamedFramebufferRenderbufferEXT");
|
||||
QGL_EXT_direct_state_access_PROCS;
|
||||
}
|
||||
|
||||
ri.Printf(PRINT_ALL, result[glRefConfig.directStateAccess ? 1 : 0], extension);
|
||||
ri.Printf(PRINT_ALL, result[glRefConfig.directStateAccess], extension);
|
||||
}
|
||||
else
|
||||
{
|
||||
ri.Printf(PRINT_ALL, result[2], extension);
|
||||
}
|
||||
|
||||
#undef GLE
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue