Add m-esr52 at 52.6.0

1 files changed, 219 insertions, 0 deletions

diff --git a/gfx/angle/src/libANGLE/queryconversions.cpp b/gfx/angle/src/libANGLE/queryconversions.cpp
new file mode 100755
index 000000000..611fbc4ba
--- /dev/null
+++ b/gfx/angle/src/libANGLE/queryconversions.cpp
@@ -0,0 +1,219 @@
+//
+// 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 "libANGLE/queryconversions.h"
+
+#include <vector>
+
+#include "libANGLE/Context.h"
+#include "common/utilities.h"
+
+namespace gl
+{
+
+namespace
+{
+
+GLint64 ExpandFloatToInteger(GLfloat value)
+{
+    return static_cast<GLint64>((static_cast<double>(0xFFFFFFFFULL) * value - 1.0) / 2.0);
+}
+
+template <typename QueryT>
+QueryT ClampToQueryRange(GLint64 value)
+{
+    const GLint64 min = static_cast<GLint64>(std::numeric_limits<QueryT>::min());
+    const GLint64 max = static_cast<GLint64>(std::numeric_limits<QueryT>::max());
+    return static_cast<QueryT>(clamp(value, min, max));
+}
+
+template <typename QueryT, typename NativeT>
+QueryT CastStateValueToInt(GLenum pname, NativeT value)
+{
+    GLenum queryType  = GLTypeToGLenum<QueryT>::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
+        if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR)
+        {
+            return ClampToQueryRange<QueryT>(ExpandFloatToInteger(static_cast<GLfloat>(value)));
+        }
+        else
+        {
+            return gl::iround<QueryT>(static_cast<GLfloat>(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 = GLTypeToGLenum<QueryT>::value;
+
+    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 static_cast<QueryT>(value == static_cast<NativeT>(0) ? GL_FALSE : GL_TRUE);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+}  // anonymous namespace
+
+template <typename QueryT>
+void CastStateValues(Context *context, GLenum nativeType, GLenum pname,
+                     unsigned int numParams, QueryT *outParams)
+{
+    if (nativeType == GL_INT)
+    {
+        std::vector<GLint> intParams(numParams, 0);
+        context->getIntegerv(pname, intParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastStateValue<QueryT>(pname, intParams[i]);
+        }
+    }
+    else if (nativeType == GL_BOOL)
+    {
+        std::vector<GLboolean> boolParams(numParams, GL_FALSE);
+        context->getBooleanv(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->getFloatv(pname, floatParams.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastStateValue<QueryT>(pname, floatParams[i]);
+        }
+    }
+    else if (nativeType == GL_INT_64_ANGLEX)
+    {
+        std::vector<GLint64> int64Params(numParams, 0);
+        context->getInteger64v(pname, int64Params.data());
+
+        for (unsigned int i = 0; i < numParams; ++i)
+        {
+            outParams[i] = CastStateValue<QueryT>(pname, int64Params[i]);
+        }
+    }
+    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 *);
+
+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] = CastStateValue<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] = CastStateValue<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 *);
+}