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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/ExtensionBehavior.cpp')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/ExtensionBehavior.cpp | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/ExtensionBehavior.cpp b/src/3rdparty/angle/src/compiler/translator/ExtensionBehavior.cpp new file mode 100644 index 0000000000..3f910b9050 --- /dev/null +++ b/src/3rdparty/angle/src/compiler/translator/ExtensionBehavior.cpp @@ -0,0 +1,96 @@ +// +// Copyright (c) 2017 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// +// ExtensionBehavior.cpp: Extension name enumeration and data structures for storing extension +// behavior. + +#include "compiler/translator/ExtensionBehavior.h" + +#include "common/debug.h" + +#include <string.h> + +#define LIST_EXTENSIONS(OP) \ + OP(ARB_texture_rectangle) \ + OP(ARM_shader_framebuffer_fetch) \ + OP(EXT_blend_func_extended) \ + OP(EXT_draw_buffers) \ + OP(EXT_frag_depth) \ + OP(EXT_geometry_shader) \ + OP(EXT_shader_framebuffer_fetch) \ + OP(EXT_shader_texture_lod) \ + OP(EXT_YUV_target) \ + OP(NV_EGL_stream_consumer_external) \ + OP(NV_shader_framebuffer_fetch) \ + OP(OES_EGL_image_external) \ + OP(OES_EGL_image_external_essl3) \ + OP(OES_geometry_shader) \ + OP(OES_standard_derivatives) \ + OP(OVR_multiview) + +namespace sh +{ + +#define RETURN_EXTENSION_NAME_CASE(ext) \ + case TExtension::ext: \ + return "GL_" #ext; + +const char *GetExtensionNameString(TExtension extension) +{ + switch (extension) + { + LIST_EXTENSIONS(RETURN_EXTENSION_NAME_CASE) + default: + UNREACHABLE(); + return ""; + } +} + +#define RETURN_EXTENSION_IF_NAME_MATCHES(ext) \ + if (strcmp(extWithoutGLPrefix, #ext) == 0) \ + { \ + return TExtension::ext; \ + } + +TExtension GetExtensionByName(const char *extension) +{ + // If first characters of the extension don't equal "GL_", early out. + if (strncmp(extension, "GL_", 3) != 0) + { + return TExtension::UNDEFINED; + } + const char *extWithoutGLPrefix = extension + 3; + + LIST_EXTENSIONS(RETURN_EXTENSION_IF_NAME_MATCHES) + + return TExtension::UNDEFINED; +} + +const char *GetBehaviorString(TBehavior b) +{ + switch (b) + { + case EBhRequire: + return "require"; + case EBhEnable: + return "enable"; + case EBhWarn: + return "warn"; + case EBhDisable: + return "disable"; + default: + return nullptr; + } +} + +bool IsExtensionEnabled(const TExtensionBehavior &extBehavior, TExtension extension) +{ + ASSERT(extension != TExtension::UNDEFINED); + auto iter = extBehavior.find(extension); + return iter != extBehavior.end() && + (iter->second == EBhEnable || iter->second == EBhRequire || iter->second == EBhWarn); +} + +} // namespace sh |