| # Copyright (C) 2015 Intel Corporation |
| # |
| # Permission is hereby granted, free of charge, to any person obtaining a |
| # copy of this software and associated documentation files (the "Software"), |
| # to deal in the Software without restriction, including without limitation |
| # the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| # and/or sell copies of the Software, and to permit persons to whom the |
| # Software is furnished to do so, subject to the following conditions: |
| # |
| # The above copyright notice and this permission notice (including the next |
| # paragraph) shall be included in all copies or substantial portions of the |
| # Software. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| # IN THE SOFTWARE. |
| |
| import argparse |
| import gl_XML |
| |
| class exec_info(): |
| """Information relating GL APIs to a function. |
| |
| Each of the four attributes of this class, compatibility, core, es1, and |
| es2, specify the minimum API version where a function can possibly exist |
| in Mesa. The version is specified as an integer of (real GL version * |
| 10). For example, glCreateProgram was added in OpenGL 2.0, so |
| compatibility=20 and core=31. |
| |
| If the attribute is None, then it cannot be supported by that |
| API. For example, glNewList was removed from core profiles, so |
| compatibility=10 and core=None. |
| |
| Each of the attributes that is not None must have a valid value. The |
| valid ranges are: |
| |
| compatibility: [10, ) |
| core: [31, ) |
| es1: [10, 11] |
| es2: [20, ) |
| |
| These ranges are enforced by the constructor. |
| """ |
| def __init__(self, compatibility=None, core=None, es1=None, es2=None): |
| if compatibility is not None: |
| assert isinstance(compatibility, int) |
| assert compatibility >= 10 |
| |
| if core is not None: |
| assert isinstance(core, int) |
| assert core >= 31 |
| |
| if es1 is not None: |
| assert isinstance(es1, int) |
| assert es1 == 10 or es1 == 11 |
| |
| if es2 is not None: |
| assert isinstance(es2, int) |
| assert es2 >= 20 |
| |
| self.compatibility = compatibility |
| self.core = core |
| self.es1 = es1 |
| self.es2 = es2 |
| |
| functions = { |
| # OpenGL 3.1 / GL_ARB_texture_buffer_object. |
| "TexBuffer": exec_info(compatibility=20, core=31, es2=31), |
| |
| # OpenGL 3.2 / GL_OES_geometry_shader. |
| "FramebufferTexture": exec_info(compatibility=32, core=32, es2=31), |
| |
| # OpenGL 4.0 / GL_ARB_shader_subroutines. Mesa only exposes this |
| # extension with core profile. |
| "GetSubroutineUniformLocation": exec_info(compatibility=31, core=31), |
| "GetSubroutineIndex": exec_info(compatibility=31, core=31), |
| "GetActiveSubroutineUniformiv": exec_info(compatibility=31, core=31), |
| "GetActiveSubroutineUniformName": exec_info(compatibility=31, core=31), |
| "GetActiveSubroutineName": exec_info(compatibility=31, core=31), |
| "UniformSubroutinesuiv": exec_info(compatibility=31, core=31), |
| "GetUniformSubroutineuiv": exec_info(compatibility=31, core=31), |
| "GetProgramStageiv": exec_info(compatibility=31, core=31), |
| |
| # OpenGL 4.0 / GL_ARB_gpu_shader_fp64. The extension spec says: |
| # |
| # "OpenGL 3.2 and GLSL 1.50 are required." |
| "Uniform1d": exec_info(compatibility=32, core=32), |
| "Uniform2d": exec_info(compatibility=32, core=32), |
| "Uniform3d": exec_info(compatibility=32, core=32), |
| "Uniform4d": exec_info(compatibility=32, core=32), |
| "Uniform1dv": exec_info(compatibility=32, core=32), |
| "Uniform2dv": exec_info(compatibility=32, core=32), |
| "Uniform3dv": exec_info(compatibility=32, core=32), |
| "Uniform4dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix2dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix3dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix4dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix2x3dv": exec_info(compatibility=32,core=32), |
| "UniformMatrix2x4dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix3x2dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix3x4dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix4x2dv": exec_info(compatibility=32, core=32), |
| "UniformMatrix4x3dv": exec_info(compatibility=32, core=32), |
| "GetUniformdv": exec_info(compatibility=32, core=32), |
| |
| # OpenGL 4.1 / GL_ARB_vertex_attrib_64bit. The extension spec says: |
| # |
| # "OpenGL 3.0 and GLSL 1.30 are required. |
| # |
| # ARB_gpu_shader_fp64 (or equivalent functionality) is required." |
| # |
| # For Mesa this effectively means OpenGL 3.2 is required. It seems |
| # unlikely that Mesa will ever get support for any of the NV extensions |
| # that add "equivalent functionality." |
| "VertexAttribL1d": exec_info(compatibility=32, core=32), |
| "VertexAttribL2d": exec_info(compatibility=32, core=32), |
| "VertexAttribL3d": exec_info(compatibility=32, core=32), |
| "VertexAttribL4d": exec_info(compatibility=32, core=32), |
| "VertexAttribL1dv": exec_info(compatibility=32, core=32), |
| "VertexAttribL2dv": exec_info(compatibility=32, core=32), |
| "VertexAttribL3dv": exec_info(compatibility=32, core=32), |
| "VertexAttribL4dv": exec_info(compatibility=32, core=32), |
| "VertexAttribLPointer": exec_info(compatibility=32, core=32), |
| "GetVertexAttribLdv": exec_info(compatibility=32, core=32), |
| |
| # OpenGL 4.1 / GL_ARB_viewport_array. The extension spec says: |
| # |
| # "OpenGL 3.2 or the EXT_geometry_shader4 or ARB_geometry_shader4 |
| # extensions are required." |
| # |
| # Mesa does not support either of the geometry shader extensions, so |
| # OpenGL 3.2 is required. |
| "ViewportArrayv": exec_info(compatibility=32, core=32, es2=31), |
| "ViewportIndexedf": exec_info(compatibility=32, core=32, es2=31), |
| "ViewportIndexedfv": exec_info(compatibility=32, core=32, es2=31), |
| "ScissorArrayv": exec_info(compatibility=32, core=32, es2=31), |
| "ScissorIndexed": exec_info(compatibility=32, core=32, es2=31), |
| "ScissorIndexedv": exec_info(compatibility=32, core=32, es2=31), |
| "DepthRangeArrayv": exec_info(compatibility=32, core=32), |
| "DepthRangeIndexed": exec_info(compatibility=32, core=32), |
| # GetFloati_v also GL_ARB_shader_atomic_counters |
| # GetDoublei_v also GL_ARB_shader_atomic_counters |
| |
| # OpenGL 4.3 / GL_ARB_texture_buffer_range. |
| "TexBufferRange": exec_info(compatibility=20, core=31, es2=31), |
| |
| # OpenGL 4.3 / GL_ARB_framebuffer_no_attachments. Mesa can expose the |
| # extension with OpenGL 3.0. |
| "FramebufferParameteri": exec_info(compatibility=30, core=31, es2=31), |
| "GetFramebufferParameteriv": exec_info(compatibility=30, core=31, es2=31), |
| |
| # OpenGL 4.3 / GL_MESA_framebuffer_flip_y. |
| "FramebufferParameteriMESA": exec_info(core=31, es2=30), |
| "GetFramebufferParameterivMESA": exec_info(core=31, es2=30), |
| |
| # OpenGL 4.5 / GL_ARB_direct_state_access. Mesa can expose the extension |
| # with core profile. |
| "CreateTransformFeedbacks": exec_info(compatibility=31, core=31), |
| "TransformFeedbackBufferBase": exec_info(compatibility=31, core=31), |
| "TransformFeedbackBufferRange": exec_info(compatibility=31, core=31), |
| "GetTransformFeedbackiv": exec_info(compatibility=31, core=31), |
| "GetTransformFeedbacki_v": exec_info(compatibility=31, core=31), |
| "GetTransformFeedbacki64_v": exec_info(compatibility=31, core=31), |
| "CreateBuffers": exec_info(compatibility=31, core=31), |
| "NamedBufferStorage": exec_info(compatibility=31, core=31), |
| "NamedBufferData": exec_info(compatibility=31, core=31), |
| "NamedBufferSubData": exec_info(compatibility=31, core=31), |
| "CopyNamedBufferSubData": exec_info(compatibility=31, core=31), |
| "ClearNamedBufferData": exec_info(compatibility=31, core=31), |
| "ClearNamedBufferSubData": exec_info(compatibility=31, core=31), |
| "MapNamedBuffer": exec_info(compatibility=31, core=31), |
| "MapNamedBufferRange": exec_info(compatibility=31, core=31), |
| "UnmapNamedBuffer": exec_info(compatibility=31, core=31), |
| "FlushMappedNamedBufferRange": exec_info(compatibility=31, core=31), |
| "GetNamedBufferParameteriv": exec_info(compatibility=31, core=31), |
| "GetNamedBufferParameteri64v": exec_info(compatibility=31, core=31), |
| "GetNamedBufferPointerv": exec_info(compatibility=31, core=31), |
| "GetNamedBufferSubData": exec_info(compatibility=31, core=31), |
| "CreateFramebuffers": exec_info(compatibility=31, core=31), |
| "NamedFramebufferRenderbuffer": exec_info(compatibility=31, core=31), |
| "NamedFramebufferParameteri": exec_info(compatibility=31, core=31), |
| "NamedFramebufferTexture": exec_info(compatibility=31, core=31), |
| "NamedFramebufferTextureLayer": exec_info(compatibility=31, core=31), |
| "NamedFramebufferDrawBuffer": exec_info(compatibility=31, core=31), |
| "NamedFramebufferDrawBuffers": exec_info(compatibility=31, core=31), |
| "NamedFramebufferReadBuffer": exec_info(compatibility=31, core=31), |
| "InvalidateNamedFramebufferData": exec_info(compatibility=31, core=31), |
| "InvalidateNamedFramebufferSubData": exec_info(compatibility=31, core=31), |
| "ClearNamedFramebufferiv": exec_info(compatibility=31, core=31), |
| "ClearNamedFramebufferuiv": exec_info(compatibility=31, core=31), |
| "ClearNamedFramebufferfv": exec_info(compatibility=31, core=31), |
| "ClearNamedFramebufferfi": exec_info(compatibility=31, core=31), |
| "BlitNamedFramebuffer": exec_info(compatibility=31, core=31), |
| "CheckNamedFramebufferStatus": exec_info(compatibility=31, core=31), |
| "GetNamedFramebufferParameteriv": exec_info(compatibility=31, core=31), |
| "GetNamedFramebufferAttachmentParameteriv": exec_info(compatibility=31, core=31), |
| "CreateRenderbuffers": exec_info(compatibility=31, core=31), |
| "NamedRenderbufferStorage": exec_info(compatibility=31, core=31), |
| "NamedRenderbufferStorageMultisample": exec_info(compatibility=31, core=31), |
| "GetNamedRenderbufferParameteriv": exec_info(compatibility=31, core=31), |
| "CreateTextures": exec_info(compatibility=31, core=31), |
| "TextureBuffer": exec_info(compatibility=31, core=31), |
| "TextureBufferRange": exec_info(compatibility=31, core=31), |
| "TextureStorage1D": exec_info(compatibility=31, core=31), |
| "TextureStorage2D": exec_info(compatibility=31, core=31), |
| "TextureStorage3D": exec_info(compatibility=31, core=31), |
| "TextureStorage2DMultisample": exec_info(compatibility=31, core=31), |
| "TextureStorage3DMultisample": exec_info(compatibility=31, core=31), |
| "TextureSubImage1D": exec_info(compatibility=31, core=31), |
| "TextureSubImage2D": exec_info(compatibility=31, core=31), |
| "TextureSubImage3D": exec_info(compatibility=31, core=31), |
| "CompressedTextureSubImage1D": exec_info(compatibility=31, core=31), |
| "CompressedTextureSubImage2D": exec_info(compatibility=31, core=31), |
| "CompressedTextureSubImage3D": exec_info(compatibility=31, core=31), |
| "CopyTextureSubImage1D": exec_info(compatibility=31, core=31), |
| "CopyTextureSubImage2D": exec_info(compatibility=31, core=31), |
| "CopyTextureSubImage3D": exec_info(compatibility=31, core=31), |
| "TextureParameterf": exec_info(compatibility=31, core=31), |
| "TextureParameterfv": exec_info(compatibility=31, core=31), |
| "TextureParameteri": exec_info(compatibility=31, core=31), |
| "TextureParameterIiv": exec_info(compatibility=31, core=31), |
| "TextureParameterIuiv": exec_info(compatibility=31, core=31), |
| "TextureParameteriv": exec_info(compatibility=31, core=31), |
| "GenerateTextureMipmap": exec_info(compatibility=31, core=31), |
| "BindTextureUnit": exec_info(compatibility=31, core=31), |
| "GetTextureImage": exec_info(compatibility=31, core=31), |
| "GetCompressedTextureImage": exec_info(compatibility=31, core=31), |
| "GetTextureLevelParameterfv": exec_info(compatibility=31, core=31), |
| "GetTextureLevelParameteriv": exec_info(compatibility=31, core=31), |
| "GetTextureParameterfv": exec_info(compatibility=31, core=31), |
| "GetTextureParameterIiv": exec_info(compatibility=31, core=31), |
| "GetTextureParameterIuiv": exec_info(compatibility=31, core=31), |
| "GetTextureParameteriv": exec_info(compatibility=31, core=31), |
| "CreateVertexArrays": exec_info(compatibility=31, core=31), |
| "DisableVertexArrayAttrib": exec_info(compatibility=31, core=31), |
| "EnableVertexArrayAttrib": exec_info(compatibility=31, core=31), |
| "VertexArrayElementBuffer": exec_info(compatibility=31, core=31), |
| "VertexArrayVertexBuffer": exec_info(compatibility=31, core=31), |
| "VertexArrayVertexBuffers": exec_info(compatibility=31, core=31), |
| "VertexArrayAttribFormat": exec_info(compatibility=31, core=31), |
| "VertexArrayAttribIFormat": exec_info(compatibility=31, core=31), |
| "VertexArrayAttribLFormat": exec_info(compatibility=31, core=31), |
| "VertexArrayAttribBinding": exec_info(compatibility=31, core=31), |
| "VertexArrayBindingDivisor": exec_info(compatibility=31, core=31), |
| "GetVertexArrayiv": exec_info(compatibility=31, core=31), |
| "GetVertexArrayIndexediv": exec_info(compatibility=31, core=31), |
| "GetVertexArrayIndexed64iv": exec_info(compatibility=31, core=31), |
| "CreateSamplers": exec_info(compatibility=31, core=31), |
| "CreateProgramPipelines": exec_info(compatibility=31, core=31), |
| "CreateQueries": exec_info(compatibility=31, core=31), |
| "GetQueryBufferObjectiv": exec_info(compatibility=31, core=31), |
| "GetQueryBufferObjectuiv": exec_info(compatibility=31, core=31), |
| "GetQueryBufferObjecti64v": exec_info(compatibility=31, core=31), |
| "GetQueryBufferObjectui64v": exec_info(compatibility=31, core=31), |
| |
| # GL_ARB_gpu_shader_int64 - nominally requires OpenGL 4.0 |
| "Uniform1i64ARB": exec_info(compatibility=40, core=31), |
| "Uniform2i64ARB": exec_info(compatibility=40, core=31), |
| "Uniform3i64ARB": exec_info(compatibility=40, core=31), |
| "Uniform4i64ARB": exec_info(compatibility=40, core=31), |
| "Uniform1i64vARB": exec_info(compatibility=40, core=31), |
| "Uniform2i64vARB": exec_info(compatibility=40, core=31), |
| "Uniform3i64vARB": exec_info(compatibility=40, core=31), |
| "Uniform4i64vARB": exec_info(compatibility=40, core=31), |
| "Uniform1ui64ARB": exec_info(compatibility=40, core=31), |
| "Uniform2ui64ARB": exec_info(compatibility=40, core=31), |
| "Uniform3ui64ARB": exec_info(compatibility=40, core=31), |
| "Uniform4ui64ARB": exec_info(compatibility=40, core=31), |
| "Uniform1ui64vARB": exec_info(compatibility=40, core=31), |
| "Uniform2ui64vARB": exec_info(compatibility=40, core=31), |
| "Uniform3ui64vARB": exec_info(compatibility=40, core=31), |
| "Uniform4ui64vARB": exec_info(compatibility=40, core=31), |
| "GetUniformi64vARB": exec_info(compatibility=40, core=31), |
| "GetUniformui64vARB": exec_info(compatibility=40, core=31), |
| "GetnUniformi64vARB": exec_info(compatibility=40, core=31), |
| "GetnUniformui64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform1i64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform2i64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform3i64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform4i64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform1i64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform2i64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform3i64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform4i64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform1ui64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform2ui64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform3ui64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform4ui64ARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform1ui64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform2ui64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform3ui64vARB": exec_info(compatibility=40, core=31), |
| "ProgramUniform4ui64vARB": exec_info(compatibility=40, core=31), |
| |
| # GL_ARB_bindless_texture |
| "GetVertexAttribLui64vARB": exec_info(compatibility=30, core=31), |
| } |
| |
| def get_api_condition(f): |
| condition_parts = [] |
| if f.name in functions: |
| ex = functions[f.name] |
| unconditional_count = 0 |
| |
| if ex.compatibility is not None: |
| condition_parts.append('_mesa_is_desktop_gl_compat(ctx)') |
| unconditional_count += 1 |
| |
| if ex.core is not None: |
| condition_parts.append('_mesa_is_desktop_gl_core(ctx)') |
| unconditional_count += 1 |
| |
| if ex.es1 is not None: |
| condition_parts.append('_mesa_is_gles1(ctx)') |
| unconditional_count += 1 |
| |
| if ex.es2 is not None: |
| if ex.es2 > 20: |
| condition_parts.append('(_mesa_is_gles2(ctx) && ctx->Version >= {0})'.format(ex.es2)) |
| else: |
| condition_parts.append('_mesa_is_gles2(ctx)') |
| unconditional_count += 1 |
| |
| # If the function is unconditionally available in all four |
| # APIs, then it is always available. Replace the complex |
| # tautology condition with "true" and let GCC do the right |
| # thing. |
| if unconditional_count == 4: |
| condition_parts = ['true'] |
| else: |
| if f.desktop: |
| if f.deprecated: |
| condition_parts.append('_mesa_is_desktop_gl_compat(ctx)') |
| else: |
| condition_parts.append('_mesa_is_desktop_gl(ctx)') |
| if 'es1' in f.api_map: |
| condition_parts.append('_mesa_is_gles1(ctx)') |
| if 'es2' in f.api_map: |
| if f.api_map['es2'] > 2.0: |
| condition_parts.append('(_mesa_is_gles2(ctx) && ctx->Version >= {0})'.format(int(f.api_map['es2'] * 10))) |
| else: |
| condition_parts.append('_mesa_is_gles2(ctx)') |
| |
| if not condition_parts: |
| # This function does not exist in any API. |
| return None |
| return ' || '.join(condition_parts) |
| |
| def print_glapi_file(printer): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('-f', |
| dest='filename', |
| default='gl_and_es_API.xml', |
| help='an xml file describing an API') |
| args = parser.parse_args() |
| api = gl_XML.parse_GL_API(args.filename) |
| printer.Print(api) |
