# -*- coding: utf-8 -*-
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#-------------------------------------------------------------------------
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# drawElements Quality Program utilities
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# --------------------------------------
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#
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# Copyright 2015-2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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#-------------------------------------------------------------------------
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import os
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import re
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import sys
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sys.path.append(os.path.dirname(os.path.dirname(__file__)))
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import khr_util.format
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import khr_util.registry
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import khr_util.registry_cache
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SCRIPTS_DIR = os.path.dirname(__file__)
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OPENGL_DIR = os.path.normpath(os.path.join(SCRIPTS_DIR, "..", "..", "framework", "opengl"))
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EGL_DIR = os.path.normpath(os.path.join(SCRIPTS_DIR, "..", "..", "framework", "egl"))
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OPENGL_INC_DIR = os.path.join(OPENGL_DIR, "wrapper")
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GL_SOURCE = khr_util.registry_cache.RegistrySource(
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"https://raw.githubusercontent.com/KhronosGroup/OpenGL-Registry",
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"xml/gl.xml",
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"acc85f4b76949b015c0354bd8c20a1076a49b1cf",
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"443d993e5d905d12b3903e2716d068326af518884988db69af72b6bdb665e6a7")
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EXTENSIONS = [
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'GL_KHR_texture_compression_astc_ldr',
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'GL_KHR_blend_equation_advanced',
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'GL_KHR_blend_equation_advanced_coherent',
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'GL_KHR_debug',
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'GL_EXT_robustness',
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'GL_KHR_robustness',
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'GL_KHR_no_error',
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'GL_KHR_parallel_shader_compile',
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'GL_EXT_bgra',
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'GL_EXT_geometry_point_size',
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'GL_EXT_tessellation_shader',
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'GL_EXT_geometry_shader',
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'GL_EXT_texture_buffer',
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'GL_EXT_texture_filter_anisotropic',
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'GL_EXT_texture_cube_map_array',
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'GL_EXT_texture_snorm',
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'GL_EXT_primitive_bounding_box',
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'GL_EXT_texture_compression_s3tc',
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'GL_EXT_texture_type_2_10_10_10_REV',
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'GL_EXT_copy_image',
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'GL_EXT_depth_bounds_test',
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'GL_EXT_direct_state_access',
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'GL_EXT_draw_buffers_indexed',
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'GL_EXT_draw_elements_base_vertex',
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'GL_EXT_direct_state_access',
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'GL_EXT_read_format_bgra',
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'GL_EXT_texture_storage',
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'GL_EXT_texture_sRGB_decode',
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'GL_EXT_texture_border_clamp',
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'GL_EXT_texture_sRGB_R8',
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'GL_EXT_texture_sRGB_RG8',
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'GL_EXT_multisampled_render_to_texture',
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'GL_EXT_debug_marker',
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'GL_EXT_polygon_offset_clamp',
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'GL_IMG_texture_compression_pvrtc',
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'GL_OES_EGL_image',
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'GL_OES_EGL_image_external',
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'GL_OES_compressed_ETC1_RGB8_texture',
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'GL_OES_compressed_paletted_texture',
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'GL_OES_required_internalformat',
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'GL_OES_packed_depth_stencil',
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'GL_OES_texture_3D',
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'GL_OES_texture_half_float',
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'GL_OES_texture_storage_multisample_2d_array',
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'GL_OES_sample_shading',
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'GL_OES_standard_derivatives',
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'GL_OES_stencil1',
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'GL_OES_stencil4',
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'GL_OES_surfaceless_context',
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'GL_OES_mapbuffer',
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'GL_OES_vertex_array_object',
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'GL_OES_viewport_array',
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'GL_ARB_clip_control',
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'GL_ARB_buffer_storage',
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'GL_ARB_compute_shader',
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'GL_ARB_draw_indirect',
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'GL_ARB_draw_instanced',
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'GL_ARB_draw_elements_base_vertex',
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'GL_ARB_direct_state_access',
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'GL_ARB_get_program_binary',
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'GL_ARB_gl_spirv',
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'GL_ARB_indirect_parameters',
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'GL_ARB_internalformat_query',
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'GL_ARB_instanced_arrays',
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'GL_ARB_multi_draw_indirect',
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'GL_ARB_parallel_shader_compile',
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'GL_ARB_program_interface_query',
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'GL_ARB_separate_shader_objects',
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'GL_ARB_shader_ballot',
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'GL_ARB_shader_image_load_store',
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'GL_ARB_shader_viewport_layer_array',
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'GL_ARB_sparse_buffer',
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'GL_ARB_sparse_texture',
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'GL_ARB_spirv_extensions',
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'GL_ARB_tessellation_shader',
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'GL_ARB_texture_barrier',
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'GL_ARB_texture_filter_minmax',
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'GL_ARB_texture_gather',
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'GL_ARB_texture_storage',
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'GL_ARB_texture_storage_multisample',
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'GL_ARB_texture_multisample',
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'GL_ARB_texture_view',
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'GL_ARB_transform_feedback2',
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'GL_ARB_transform_feedback3',
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'GL_ARB_transform_feedback_instanced',
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'GL_ARB_transform_feedback_overflow_query',
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'GL_ARB_vertex_array_bgra',
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'GL_ARB_vertex_attrib_64bit',
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'GL_ARB_vertex_attrib_binding',
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'GL_NV_deep_texture3D',
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'GL_NV_gpu_multicast',
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'GL_NV_internalformat_sample_query',
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'GL_NVX_cross_process_interop',
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'GL_OES_draw_elements_base_vertex',
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'GL_OVR_multiview',
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'GL_OVR_multiview_multisampled_render_to_texture',
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]
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def getGLRegistry ():
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return khr_util.registry_cache.getRegistry(GL_SOURCE)
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def getHybridInterface (stripAliasedExtCommands = True):
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# This is a bit awkward, since we have to create a strange hybrid
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# interface that includes both GL and ES features and extensions.
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registry = getGLRegistry()
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glFeatures = registry.getFeatures('gl')
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esFeatures = registry.getFeatures('gles2')
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spec = khr_util.registry.InterfaceSpec()
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for feature in registry.getFeatures('gl'):
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spec.addFeature(feature, 'gl', 'core')
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for feature in registry.getFeatures('gles2'):
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spec.addFeature(feature, 'gles2')
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for extName in EXTENSIONS:
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extension = registry.extensions[extName]
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# Add all extensions using the ES2 api, but force even non-ES2
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# extensions to be included.
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spec.addExtension(extension, 'gles2', 'core', force=True)
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iface = khr_util.registry.createInterface(registry, spec, 'gles2')
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if stripAliasedExtCommands:
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# Remove redundant extension commands that are already provided by core.
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strippedCmds = []
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for command in iface.commands:
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if command.alias == None:
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strippedCmds.append(command)
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iface.commands = strippedCmds
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return iface
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def getInterface (registry, api, version=None, profile=None, **kwargs):
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spec = khr_util.registry.spec(registry, api, version, profile, **kwargs)
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if api == 'gl' and profile == 'core' and version < "3.2":
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gl32 = registry.features['GL_VERSION_3_2']
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for eRemove in gl32.xpath('remove'):
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spec.addComponent(eRemove)
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return khr_util.registry.createInterface(registry, spec, api)
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def getVersionToken (api, version):
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prefixes = { 'gles2': "ES", 'gl': "GL" }
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return prefixes[api] + version.replace(".", "")
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def genCommandList(iface, renderCommand, directory, filename, align=False):
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lines = map(renderCommand, iface.commands)
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lines = filter(lambda l: l != None, lines)
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if align:
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lines = indentLines(lines)
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writeInlFile(os.path.join(directory, filename), lines)
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def genCommandLists(registry, renderCommand, check, directory, filePattern, align=False):
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for eFeature in registry.features:
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api = eFeature.get('api')
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version = eFeature.get('number')
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profile = check(api, version)
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if profile is True:
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profile = None
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elif profile is False:
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continue
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iface = getInterface(registry, api, version=version, profile=profile)
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filename = filePattern % getVersionToken(api, version)
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genCommandList(iface, renderCommand, directory, filename, align)
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def getFunctionTypeName (funcName):
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return "%sFunc" % funcName
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def getFunctionMemberName (funcName):
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assert funcName[:2] == "gl"
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if funcName[:5] == "glEGL":
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# Otherwise we end up with gl.eGLImage...
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return "egl%s" % funcName[5:]
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else:
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return "%c%s" % (funcName[2].lower(), funcName[3:])
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INL_HEADER = khr_util.format.genInlHeader("Khronos GL API description (gl.xml)", GL_SOURCE.getRevision())
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def writeInlFile (filename, source):
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khr_util.format.writeInlFile(filename, INL_HEADER, source)
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# Aliases from khr_util.common
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indentLines = khr_util.format.indentLines
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normalizeConstant = khr_util.format.normalizeConstant
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commandParams = khr_util.format.commandParams
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commandArgs = khr_util.format.commandArgs
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