Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 315 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/queryconversions.cpp b/gfx/angle/checkout/src/libANGLE/queryconversions.cpp
new file mode 100644
index 0000000000..3c3ab45b7c
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/queryconversions.cpp
@@ -0,0 +1,315 @@
+//
+// Copyright 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 "libANGLE/queryconversions.h"
+
+#include <vector>
+
+#include "common/utilities.h"
+#include "libANGLE/Context.h"
+
+namespace gl
+{
+
+namespace
+{
+
+GLint64 ExpandFloatToInteger(GLfloat value)
+{
+    return static_cast<GLint64>((static_cast<double>(0xFFFFFFFFULL) * value - 1.0) / 2.0);
+}
+
+template <typename QueryT, typename NativeT>
+QueryT CastFromStateValueToInt(GLenum pname, NativeT value)
+{
+    GLenum nativeType = GLTypeToGLenum<NativeT>::value;
+
+    if (nativeType == GL_FLOAT)
+    {
+        // RGBA color values and DepthRangeF values are converted to integer using Equation 2.4 from
+        // Table 4.5
+        switch (pname)
+        {
+            case GL_DEPTH_RANGE:
+            case GL_COLOR_CLEAR_VALUE:
+            case GL_DEPTH_CLEAR_VALUE:
+            case GL_BLEND_COLOR:
+            // GLES1 emulation:
+            // Also, several GLES1.x values need to be converted to integer with
+            // ExpandFloatToInteger rather than rounding. See GLES 1.1 spec 6.1.2 "Data
+            // Conversions".
+            case GL_ALPHA_TEST_REF:
+            case GL_CURRENT_COLOR:
+                return clampCast<QueryT>(ExpandFloatToInteger(static_cast<GLfloat>(value)));
+            default:
+                return clampCast<QueryT>(std::round(value));
+        }
+    }
+
+    return clampCast<QueryT>(value);
+}
+
+template <typename NativeT, typename QueryT>
+NativeT CastQueryValueToInt(GLenum pname, QueryT value)
+{
+    GLenum queryType = GLTypeToGLenum<QueryT>::value;
+
+    if (queryType == GL_FLOAT)
+    {
+        // ARM devices cast float to uint differently than Intel.
+        // Basically, any negative floating point number becomes 0
+        // when converted to unsigned int. Instead, convert to a signed
+        // int and then convert to unsigned int to "preserve the value"
+        // E.g. common case for tests is to pass in -1 as an invalid query
+        // value. If cast to a unsigned int it becomes 0 (GL_NONE) and is now
+        // a valid enum and negative tests fail. But converting to int
+        // and then to final unsigned int gives us 4294967295 (0xffffffff)
+        // which is what we want.
+        return static_cast<NativeT>(static_cast<GLint64>(std::round(value)));
+    }
+
+    return static_cast<NativeT>(value);
+}
+
+}  // anonymous namespace
+
+GLint CastMaskValue(GLuint value)
+{
+    return clampCast<GLint>(value);
+}
+
+template <typename QueryT, typename InternalT>
+QueryT CastFromGLintStateValue(GLenum pname, InternalT value)
+{
+    return CastFromStateValue<QueryT, GLint>(pname, clampCast<GLint, InternalT>(value));
+}
+
+template GLfloat CastFromGLintStateValue<GLfloat, GLenum>(GLenum pname, GLenum value);
+template GLint CastFromGLintStateValue<GLint, GLenum>(GLenum pname, GLenum value);
+template GLint64 CastFromGLintStateValue<GLint64, GLenum>(GLenum pname, GLenum value);
+template GLuint CastFromGLintStateValue<GLuint, GLenum>(GLenum pname, GLenum value);
+template GLuint CastFromGLintStateValue<GLuint, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromGLintStateValue<GLfloat, GLint>(GLenum pname, GLint value);
+template GLint CastFromGLintStateValue<GLint, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromGLintStateValue<GLfloat, bool>(GLenum pname, bool value);
+template GLuint CastFromGLintStateValue<GLuint, bool>(GLenum pname, bool value);
+template GLint CastFromGLintStateValue<GLint, bool>(GLenum pname, bool value);
+
+template <typename QueryT, typename NativeT>
+QueryT CastFromStateValue(GLenum pname, NativeT value)
+{
+    GLenum queryType = GLTypeToGLenum<QueryT>::value;
+
+    switch (queryType)
+    {
+        case GL_INT:
+        case GL_INT_64_ANGLEX:
+        case GL_UNSIGNED_INT:
+        case GL_UINT_64_ANGLEX:
+            return CastFromStateValueToInt<QueryT, NativeT>(pname, value);
+        case GL_FLOAT:
+            return static_cast<QueryT>(value);
+        case GL_BOOL:
+            return static_cast<QueryT>(value == static_cast<NativeT>(0) ? GL_FALSE : GL_TRUE);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+template GLint CastFromStateValue<GLint, GLint>(GLenum pname, GLint value);
+template GLint CastFromStateValue<GLint, GLint64>(GLenum pname, GLint64 value);
+template GLint64 CastFromStateValue<GLint64, GLint>(GLenum pname, GLint value);
+template GLint64 CastFromStateValue<GLint64, GLint64>(GLenum pname, GLint64 value);
+template GLfloat CastFromStateValue<GLfloat, GLint>(GLenum pname, GLint value);
+template GLfloat CastFromStateValue<GLfloat, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastFromStateValue<GLfloat, GLfloat>(GLenum pname, GLfloat value);
+template GLint CastFromStateValue<GLint, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastFromStateValue<GLuint, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastFromStateValue<GLuint, GLint>(GLenum pname, GLint value);
+template GLuint CastFromStateValue<GLuint, GLuint>(GLenum pname, GLuint value);
+template GLint CastFromStateValue<GLint, GLboolean>(GLenum pname, GLboolean value);
+template GLint64 CastFromStateValue<GLint64, GLboolean>(GLenum pname, GLboolean value);
+template GLint CastFromStateValue<GLint, GLuint>(GLenum pname, GLuint value);
+template GLint64 CastFromStateValue<GLint64, GLuint>(GLenum pname, GLuint value);
+template GLuint64 CastFromStateValue<GLuint64, GLuint>(GLenum pname, GLuint value);
+
+template <typename NativeT, typename QueryT>
+NativeT CastQueryValueTo(GLenum pname, QueryT value)
+{
+    GLenum nativeType = GLTypeToGLenum<NativeT>::value;
+
+    switch (nativeType)
+    {
+        case GL_INT:
+        case GL_INT_64_ANGLEX:
+        case GL_UNSIGNED_INT:
+        case GL_UINT_64_ANGLEX:
+            return CastQueryValueToInt<NativeT, QueryT>(pname, value);
+        case GL_FLOAT:
+            return static_cast<NativeT>(value);
+        case GL_BOOL:
+            return static_cast<NativeT>(value == static_cast<QueryT>(0) ? GL_FALSE : GL_TRUE);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+template GLint CastQueryValueTo<GLint, GLfloat>(GLenum pname, GLfloat value);
+template GLboolean CastQueryValueTo<GLboolean, GLint>(GLenum pname, GLint value);
+template GLint CastQueryValueTo<GLint, GLint>(GLenum pname, GLint value);
+template GLint CastQueryValueTo<GLint, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastQueryValueTo<GLfloat, GLint>(GLenum pname, GLint value);
+template GLfloat CastQueryValueTo<GLfloat, GLuint>(GLenum pname, GLuint value);
+template GLfloat CastQueryValueTo<GLfloat, GLfloat>(GLenum pname, GLfloat value);
+template GLuint CastQueryValueTo<GLuint, GLint>(GLenum pname, GLint value);
+template GLuint CastQueryValueTo<GLuint, GLuint>(GLenum pname, GLuint value);
+template GLuint CastQueryValueTo<GLuint, GLfloat>(GLenum pname, GLfloat value);
+
+template <typename QueryT>
+void CastStateValues(const Context *context,
+                     GLenum nativeType,
+                     GLenum pname,
+                     unsigned int numParams,
+                     QueryT *outParams)
+{
+    if (nativeType == GL_INT)
+    {
+        std::vector<GLint> intParams(numParams, 0);
+        context->getIntegervImpl(pname, intParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, intParams[i]);
+        }
+    }
+    else if (nativeType == GL_BOOL)
+    {
+        std::vector<GLboolean> boolParams(numParams, GL_FALSE);
+        context->getBooleanvImpl(pname, boolParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] =
+                (boolParams[i] == GL_FALSE ? static_cast<QueryT>(0) : static_cast<QueryT>(1));
+        }
+    }
+    else if (nativeType == GL_FLOAT)
+    {
+        std::vector<GLfloat> floatParams(numParams, 0.0f);
+        context->getFloatvImpl(pname, floatParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, floatParams[i]);
+        }
+    }
+    else if (nativeType == GL_INT_64_ANGLEX)
+    {
+        std::vector<GLint64> int64Params(numParams, 0);
+        context->getInteger64vImpl(pname, int64Params.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, int64Params[i]);
+        }
+    }
+    else
+    {
+        WARN() << "Application querying parameter that does not exist.";
+    }
+}
+
+// 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, uint64
+
+template void CastStateValues<GLboolean>(const Context *,
+                                         GLenum,
+                                         GLenum,
+                                         unsigned int,
+                                         GLboolean *);
+template void CastStateValues<GLint>(const Context *, GLenum, GLenum, unsigned int, GLint *);
+template void CastStateValues<GLuint>(const Context *, GLenum, GLenum, unsigned int, GLuint *);
+template void CastStateValues<GLfloat>(const Context *, GLenum, GLenum, unsigned int, GLfloat *);
+template void CastStateValues<GLint64>(const Context *, GLenum, GLenum, unsigned int, GLint64 *);
+
+template <typename QueryT>
+void CastIndexedStateValues(Context *context,
+                            GLenum nativeType,
+                            GLenum pname,
+                            GLuint index,
+                            unsigned int numParams,
+                            QueryT *outParams)
+{
+    if (nativeType == GL_INT)
+    {
+        std::vector<GLint> intParams(numParams, 0);
+        context->getIntegeri_v(pname, index, intParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, intParams[i]);
+        }
+    }
+    else if (nativeType == GL_BOOL)
+    {
+        std::vector<GLboolean> boolParams(numParams, GL_FALSE);
+        context->getBooleani_v(pname, index, boolParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] =
+                (boolParams[i] == GL_FALSE ? static_cast<QueryT>(0) : static_cast<QueryT>(1));
+        }
+    }
+    else if (nativeType == GL_INT_64_ANGLEX)
+    {
+        std::vector<GLint64> int64Params(numParams, 0);
+        context->getInteger64i_v(pname, index, int64Params.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastFromStateValue<QueryT>(pname, int64Params[i]);
+        }
+    }
+    else
+        UNREACHABLE();
+}
+
+template void CastIndexedStateValues<GLboolean>(Context *,
+                                                GLenum,
+                                                GLenum,
+                                                GLuint index,
+                                                unsigned int,
+                                                GLboolean *);
+template void CastIndexedStateValues<GLint>(Context *,
+                                            GLenum,
+                                            GLenum,
+                                            GLuint index,
+                                            unsigned int,
+                                            GLint *);
+template void CastIndexedStateValues<GLuint>(Context *,
+                                             GLenum,
+                                             GLenum,
+                                             GLuint index,
+                                             unsigned int,
+                                             GLuint *);
+template void CastIndexedStateValues<GLfloat>(Context *,
+                                              GLenum,
+                                              GLenum,
+                                              GLuint index,
+                                              unsigned int,
+                                              GLfloat *);
+template void CastIndexedStateValues<GLint64>(Context *,
+                                              GLenum,
+                                              GLenum,
+                                              GLuint index,
+                                              unsigned int,
+                                              GLint64 *);
+}  // namespace gl