diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/queryconversions.cpp')
-rw-r--r-- | src/3rdparty/angle/src/libGLESv2/queryconversions.cpp | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/queryconversions.cpp b/src/3rdparty/angle/src/libGLESv2/queryconversions.cpp deleted file mode 100644 index 7245902c51..0000000000 --- a/src/3rdparty/angle/src/libGLESv2/queryconversions.cpp +++ /dev/null @@ -1,147 +0,0 @@ -// -// Copyright (c) 2014 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. -// - -// queryconversions.cpp: Implementation of state query cast conversions - -#include "libGLESv2/Context.h" -#include "common/utilities.h" - -namespace gl -{ - -// Helper class for converting a GL type to a GLenum: -// We can't use CastStateValueEnum generally, because of GLboolean + GLubyte overlap. -// We restrict our use to CastStateValue, where it eliminates duplicate parameters. - -template <typename GLType> -struct CastStateValueEnum { static GLenum mEnumForType; }; - -template <> GLenum CastStateValueEnum<GLint>::mEnumForType = GL_INT; -template <> GLenum CastStateValueEnum<GLuint>::mEnumForType = GL_UNSIGNED_INT; -template <> GLenum CastStateValueEnum<GLboolean>::mEnumForType = GL_BOOL; -template <> GLenum CastStateValueEnum<GLint64>::mEnumForType = GL_INT_64_ANGLEX; -template <> GLenum CastStateValueEnum<GLfloat>::mEnumForType = GL_FLOAT; - -template <typename QueryT, typename NativeT> -QueryT CastStateValueToInt(GLenum pname, NativeT value) -{ - GLenum queryType = CastStateValueEnum<QueryT>::mEnumForType; - GLenum nativeType = CastStateValueEnum<NativeT>::mEnumForType; - - if (nativeType == GL_FLOAT) - { - // RGBA color values and DepthRangeF values are converted to integer using Equation 2.4 from Table 4.5 - if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR) - { - return static_cast<QueryT>((static_cast<GLfloat>(0xFFFFFFFF) * value - 1.0f) / 2.0f); - } - else - { - return gl::iround<QueryT>(value); - } - } - - // Clamp 64-bit int values when casting to int - if (nativeType == GL_INT_64_ANGLEX && queryType == GL_INT) - { - GLint64 minIntValue = static_cast<GLint64>(std::numeric_limits<GLint>::min()); - GLint64 maxIntValue = static_cast<GLint64>(std::numeric_limits<GLint>::max()); - GLint64 clampedValue = std::max(std::min(static_cast<GLint64>(value), maxIntValue), minIntValue); - return static_cast<QueryT>(clampedValue); - } - - return static_cast<QueryT>(value); -} - -template <typename QueryT, typename NativeT> -QueryT CastStateValue(GLenum pname, NativeT value) -{ - GLenum queryType = CastStateValueEnum<QueryT>::mEnumForType; - - switch (queryType) - { - case GL_INT: return CastStateValueToInt<QueryT, NativeT>(pname, value); - case GL_INT_64_ANGLEX: return CastStateValueToInt<QueryT, NativeT>(pname, value); - case GL_FLOAT: return static_cast<QueryT>(value); - case GL_BOOL: return (value == static_cast<NativeT>(0) ? GL_FALSE : GL_TRUE); - default: UNREACHABLE(); return 0; - } -} - -template <typename QueryT> -void CastStateValues(Context *context, GLenum nativeType, GLenum pname, - unsigned int numParams, QueryT *outParams) -{ - if (nativeType == GL_INT) - { - GLint *intParams = NULL; - intParams = new GLint[numParams]; - - context->getIntegerv(pname, intParams); - - for (unsigned int i = 0; i < numParams; ++i) - { - outParams[i] = CastStateValue<QueryT>(pname, intParams[i]); - } - - delete [] intParams; - } - else if (nativeType == GL_BOOL) - { - GLboolean *boolParams = NULL; - boolParams = new GLboolean[numParams]; - - context->getBooleanv(pname, boolParams); - - for (unsigned int i = 0; i < numParams; ++i) - { - outParams[i] = (boolParams[i] == GL_FALSE ? static_cast<QueryT>(0) : static_cast<QueryT>(1)); - } - - delete [] boolParams; - } - else if (nativeType == GL_FLOAT) - { - GLfloat *floatParams = NULL; - floatParams = new GLfloat[numParams]; - - context->getFloatv(pname, floatParams); - - for (unsigned int i = 0; i < numParams; ++i) - { - outParams[i] = CastStateValue<QueryT>(pname, floatParams[i]); - } - - delete [] floatParams; - } - else if (nativeType == GL_INT_64_ANGLEX) - { - GLint64 *int64Params = NULL; - int64Params = new GLint64[numParams]; - - context->getInteger64v(pname, int64Params); - - for (unsigned int i = 0; i < numParams; ++i) - { - outParams[i] = CastStateValue<QueryT>(pname, int64Params[i]); - } - - delete [] int64Params; - } - else UNREACHABLE(); -} - -// Explicit template instantiation (how we export template functions in different files) -// The calls below will make CastStateValues successfully link with the GL state query types -// The GL state query API types are: bool, int, uint, float, int64 - -template void CastStateValues<GLboolean>(Context *, GLenum, GLenum, unsigned int, GLboolean *); -template void CastStateValues<GLint>(Context *, GLenum, GLenum, unsigned int, GLint *); -template void CastStateValues<GLuint>(Context *, GLenum, GLenum, unsigned int, GLuint *); -template void CastStateValues<GLfloat>(Context *, GLenum, GLenum, unsigned int, GLfloat *); -template void CastStateValues<GLint64>(Context *, GLenum, GLenum, unsigned int, GLint64 *); - -} |