summaryrefslogtreecommitdiffstats
path: root/src/3rdparty/angle/src/libGLESv2/queryconversions.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/queryconversions.cpp')
-rw-r--r--src/3rdparty/angle/src/libGLESv2/queryconversions.cpp147
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 *);
-
-}