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-rwxr-xr-xgfx/angle/src/libANGLE/formatutils.cpp1656
1 files changed, 1656 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/formatutils.cpp b/gfx/angle/src/libANGLE/formatutils.cpp
new file mode 100755
index 000000000..2aa2e75d4
--- /dev/null
+++ b/gfx/angle/src/libANGLE/formatutils.cpp
@@ -0,0 +1,1656 @@
+//
+// Copyright (c) 2013-2014 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.
+//
+
+// formatutils.cpp: Queries for GL image formats.
+
+#include "common/mathutil.h"
+#include "libANGLE/formatutils.h"
+#include "libANGLE/Context.h"
+#include "libANGLE/Framebuffer.h"
+
+using namespace angle;
+
+namespace gl
+{
+
+// ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the implementation
+// can decide the true, sized, internal format. The ES2FormatMap determines the internal format for all valid
+// format and type combinations.
+GLenum GetSizedFormatInternal(GLenum format, GLenum type);
+
+namespace
+{
+typedef std::pair<GLenum, InternalFormat> InternalFormatInfoPair;
+typedef std::map<GLenum, InternalFormat> InternalFormatInfoMap;
+
+} // anonymous namespace
+
+FormatType::FormatType() : format(GL_NONE), type(GL_NONE)
+{
+}
+
+FormatType::FormatType(GLenum format_, GLenum type_) : format(format_), type(type_)
+{
+}
+
+bool FormatType::operator<(const FormatType &other) const
+{
+ if (format != other.format)
+ return format < other.format;
+ return type < other.type;
+}
+
+Type::Type()
+ : bytes(0),
+ bytesShift(0),
+ specialInterpretation(false)
+{
+}
+
+static Type GenTypeInfo(GLuint bytes, bool specialInterpretation)
+{
+ Type info;
+ info.bytes = bytes;
+ GLuint i = 0;
+ while ((1u << i) < bytes)
+ {
+ ++i;
+ }
+ info.bytesShift = i;
+ ASSERT((1u << info.bytesShift) == bytes);
+ info.specialInterpretation = specialInterpretation;
+ return info;
+}
+
+bool operator<(const Type& a, const Type& b)
+{
+ return memcmp(&a, &b, sizeof(Type)) < 0;
+}
+
+// Information about internal formats
+static bool AlwaysSupported(const Version &, const Extensions &)
+{
+ return true;
+}
+
+static bool NeverSupported(const Version &, const Extensions &)
+{
+ return false;
+}
+
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion>
+static bool RequireES(const Version &clientVersion, const Extensions &)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion);
+}
+
+// Pointer to a boolean memeber of the Extensions struct
+typedef bool(Extensions::*ExtensionBool);
+
+// Check support for a single extension
+template <ExtensionBool bool1>
+static bool RequireExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1;
+}
+
+// Check for a minimum client version or a single extension
+template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1>
+static bool RequireESOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ extensions.*bool1;
+}
+
+// Check for a minimum client version or two extensions
+template <GLuint minCoreGLMajorVersion,
+ GLuint minCoreGLMinorVersion,
+ ExtensionBool bool1,
+ ExtensionBool bool2>
+static bool RequireESOrExtAndExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ (extensions.*bool1 && extensions.*bool2);
+}
+
+// Check for a minimum client version or at least one of two extensions
+template <GLuint minCoreGLMajorVersion,
+ GLuint minCoreGLMinorVersion,
+ ExtensionBool bool1,
+ ExtensionBool bool2>
+static bool RequireESOrExtOrExt(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) ||
+ extensions.*bool1 || extensions.*bool2;
+}
+
+// Check support for two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtAndExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1 && extensions.*bool2;
+}
+
+// Check support for either of two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtOrExt(const Version &, const Extensions &extensions)
+{
+ return extensions.*bool1 || extensions.*bool2;
+}
+
+// Special function for half float formats with three or four channels.
+static bool HalfFloatSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) || extensions.textureHalfFloat;
+}
+
+static bool HalfFloatRenderableSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return HalfFloatSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat;
+}
+
+// Special function for half float formats with one or two channels.
+static bool HalfFloatSupportRG(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) || (extensions.textureHalfFloat && extensions.textureRG);
+}
+
+static bool HalfFloatRenderableSupportRG(const Version &clientVersion, const Extensions &extensions)
+{
+ return HalfFloatSupportRG(clientVersion, extensions) && extensions.colorBufferHalfFloat;
+}
+
+// Special function for float formats with three or four channels.
+static bool FloatSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) || extensions.textureFloat;
+}
+
+static bool FloatRenderableSupport(const Version &clientVersion, const Extensions &extensions)
+{
+ // We don't expose colorBufferFloat in ES2, but we silently support rendering to float.
+ return FloatSupport(clientVersion, extensions) &&
+ (extensions.colorBufferFloat || clientVersion == Version(2, 0));
+}
+
+// Special function for float formats with one or two channels.
+static bool FloatSupportRG(const Version &clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= Version(3, 0) || (extensions.textureFloat && extensions.textureRG);
+}
+
+static bool FloatRenderableSupportRG(const Version &clientVersion, const Extensions &extensions)
+{
+ // We don't expose colorBufferFloat in ES2, but we silently support rendering to float.
+ return FloatSupportRG(clientVersion, extensions) &&
+ (extensions.colorBufferFloat || clientVersion == Version(2, 0));
+}
+
+InternalFormat::InternalFormat()
+ : internalFormat(GL_NONE),
+ redBits(0),
+ greenBits(0),
+ blueBits(0),
+ luminanceBits(0),
+ alphaBits(0),
+ sharedBits(0),
+ depthBits(0),
+ stencilBits(0),
+ pixelBytes(0),
+ componentCount(0),
+ compressed(false),
+ compressedBlockWidth(0),
+ compressedBlockHeight(0),
+ format(GL_NONE),
+ type(GL_NONE),
+ componentType(GL_NONE),
+ colorEncoding(GL_NONE),
+ textureSupport(NeverSupported),
+ renderSupport(NeverSupported),
+ filterSupport(NeverSupported)
+{
+}
+
+bool InternalFormat::isLUMA() const
+{
+ return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 &&
+ (luminanceBits + alphaBits) > 0);
+}
+
+GLenum InternalFormat::getReadPixelsFormat() const
+{
+ return format;
+}
+
+GLenum InternalFormat::getReadPixelsType() const
+{
+ switch (type)
+ {
+ case GL_HALF_FLOAT:
+ // The internal format may have a type of GL_HALF_FLOAT but when exposing this type as
+ // the IMPLEMENTATION_READ_TYPE, only HALF_FLOAT_OES is allowed by
+ // OES_texture_half_float
+ return GL_HALF_FLOAT_OES;
+
+ default:
+ return type;
+ }
+}
+
+Format::Format(GLenum internalFormat) : Format(GetInternalFormatInfo(internalFormat))
+{
+}
+
+Format::Format(const InternalFormat &internalFormat)
+ : info(&internalFormat), format(info->format), type(info->type), sized(true)
+{
+ ASSERT((info->pixelBytes > 0 && format != GL_NONE && type != GL_NONE) ||
+ internalFormat.format == GL_NONE);
+}
+
+Format::Format(GLenum internalFormat, GLenum format, GLenum type)
+ : info(nullptr), format(format), type(type), sized(false)
+{
+ const auto &plainInfo = GetInternalFormatInfo(internalFormat);
+ sized = plainInfo.pixelBytes > 0;
+ info = (sized ? &plainInfo : &GetInternalFormatInfo(GetSizedFormatInternal(format, type)));
+ ASSERT(format == GL_NONE || info->pixelBytes > 0);
+}
+
+Format::Format(const Format &other) = default;
+Format &Format::operator=(const Format &other) = default;
+
+GLenum Format::asSized() const
+{
+ return sized ? info->internalFormat : GetSizedFormatInternal(format, type);
+}
+
+bool Format::valid() const
+{
+ return info->format != GL_NONE;
+}
+
+// static
+bool Format::SameSized(const Format &a, const Format &b)
+{
+ return (a.info == b.info);
+}
+
+// static
+Format Format::Invalid()
+{
+ static Format invalid(GL_NONE, GL_NONE, GL_NONE);
+ return invalid;
+}
+
+bool InternalFormat::operator==(const InternalFormat &other) const
+{
+ // We assume there are no duplicates.
+ ASSERT((this == &other) == (internalFormat == other.internalFormat));
+ return internalFormat == other.internalFormat;
+}
+
+bool InternalFormat::operator!=(const InternalFormat &other) const
+{
+ // We assume there are no duplicates.
+ ASSERT((this != &other) == (internalFormat != other.internalFormat));
+ return internalFormat != other.internalFormat;
+}
+
+static void AddUnsizedFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ GLenum format,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.format = format;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ ASSERT(map->count(internalFormat) == 0);
+ (*map)[internalFormat] = formatInfo;
+}
+
+void AddRGBAFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ GLuint red,
+ GLuint green,
+ GLuint blue,
+ GLuint alpha,
+ GLuint shared,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.redBits = red;
+ formatInfo.greenBits = green;
+ formatInfo.blueBits = blue;
+ formatInfo.alphaBits = alpha;
+ formatInfo.sharedBits = shared;
+ formatInfo.pixelBytes = (red + green + blue + alpha + shared) / 8;
+ formatInfo.componentCount = ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ ASSERT(map->count(internalFormat) == 0);
+ (*map)[internalFormat] = formatInfo;
+}
+
+static InternalFormat LUMAFormat(GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = GetSizedFormatInternal(format, type);
+ formatInfo.luminanceBits = luminance;
+ formatInfo.alphaBits = alpha;
+ formatInfo.pixelBytes = (luminance + alpha) / 8;
+ formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+void AddDepthStencilFormat(InternalFormatInfoMap *map,
+ GLenum internalFormat,
+ GLuint depthBits,
+ GLuint stencilBits,
+ GLuint unusedBits,
+ GLenum format,
+ GLenum type,
+ GLenum componentType,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = internalFormat;
+ formatInfo.depthBits = depthBits;
+ formatInfo.stencilBits = stencilBits;
+ formatInfo.pixelBytes = (depthBits + stencilBits + unusedBits) / 8;
+ formatInfo.componentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ ASSERT(map->count(internalFormat) == 0);
+ (*map)[internalFormat] = formatInfo;
+}
+
+static InternalFormat CompressedFormat(GLuint compressedBlockWidth, GLuint compressedBlockHeight, GLuint compressedBlockSize,
+ GLuint componentCount, GLenum format, GLenum type, bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.internalFormat = format;
+ formatInfo.compressedBlockWidth = compressedBlockWidth;
+ formatInfo.compressedBlockHeight = compressedBlockHeight;
+ formatInfo.pixelBytes = compressedBlockSize / 8;
+ formatInfo.componentCount = componentCount;
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.compressed = true;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+static InternalFormatInfoMap BuildInternalFormatInfoMap()
+{
+ InternalFormatInfoMap map;
+
+ // From ES 3.0.1 spec, table 3.12
+ map.insert(InternalFormatInfoPair(GL_NONE, InternalFormat()));
+
+ // clang-format off
+
+ // | Internal format | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
+ AddRGBAFormat(&map, GL_R8, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureRG>, RequireESOrExt<3, 0, &Extensions::textureRG>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_R8_SNORM, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RG8, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureRG>, RequireESOrExt<3, 0, &Extensions::textureRG>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RG8_SNORM, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB8, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB8_SNORM, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB565, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGBA4, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB5_A1, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGBA8, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGBA8_SNORM, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB10_A2, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<3, 0>, RequireES<3, 0>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB10_A2UI, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_SRGB8, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, 0, &Extensions::sRGB>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_SRGB8_ALPHA8, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, 0, &Extensions::sRGB>, RequireESOrExt<3, 0, &Extensions::sRGB>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB9_E5, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3, 0>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_R8I, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R8UI, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R16I, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R16UI, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R32I, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R32UI, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG8I, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG8UI, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG16I, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG16UI, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RG32I, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_R11F_G11F_B10F, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3, 0>, RequireExt<&Extensions::colorBufferFloat>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RG32UI, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB8I, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB8UI, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16I, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB16UI, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB32I, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGB32UI, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA8I, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA8UI, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA16I, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA16UI, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA32I, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+ AddRGBAFormat(&map, GL_RGBA32UI, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, RequireES<3, 0>, NeverSupported);
+
+ AddRGBAFormat(&map, GL_BGRA8_EXT, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_BGRA4_ANGLEX, 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX, 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
+
+ // Special format which is not really supported, so always false for all supports.
+ AddRGBAFormat(&map, GL_BGR565_ANGLEX, 5, 6, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported);
+
+ // Floating point renderability and filtering is provided by OES_texture_float and OES_texture_half_float
+ // | Internal format | D |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable |
+ // | | | | | | type | | | | |
+ AddRGBAFormat(&map, GL_R16F, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupportRG, HalfFloatRenderableSupportRG, RequireExt<&Extensions::textureHalfFloatLinear>);
+ AddRGBAFormat(&map, GL_RG16F, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupportRG, HalfFloatRenderableSupportRG, RequireExt<&Extensions::textureHalfFloatLinear>);
+ AddRGBAFormat(&map, GL_RGB16F, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRenderableSupport, RequireExt<&Extensions::textureHalfFloatLinear>);
+ AddRGBAFormat(&map, GL_RGBA16F, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRenderableSupport, RequireExt<&Extensions::textureHalfFloatLinear>);
+ AddRGBAFormat(&map, GL_R32F, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, FloatSupportRG, FloatRenderableSupportRG, RequireExt<&Extensions::textureFloatLinear> );
+ AddRGBAFormat(&map, GL_RG32F, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, FloatSupportRG, FloatRenderableSupportRG, RequireExt<&Extensions::textureFloatLinear> );
+ AddRGBAFormat(&map, GL_RGB32F, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
+ AddRGBAFormat(&map, GL_RGBA32F, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRenderableSupport, RequireExt<&Extensions::textureFloatLinear> );
+
+ // Depth stencil formats
+ // | Internal format | D |S | X | Format | Type | Component type | Supported | Renderable | Filterable |
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3, 0>, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3, 0>, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextures>);
+ AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, 32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, AlwaysSupported );
+ AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::depthTextures>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextures, &Extensions::packedDepthStencil>, AlwaysSupported );
+ AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireES<3, 0>, RequireES<3, 0>, AlwaysSupported );
+ // STENCIL_INDEX8 is special-cased, see around the bottom of the list.
+
+ // Luminance alpha formats
+ // | Internal format | | L | A | Format | Type | Component type | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_ALPHA8_EXT, LUMAFormat( 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE8_ALPHA8_EXT, LUMAFormat( 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA16F_EXT, LUMAFormat(16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
+
+ // Unsized formats
+ // | Internal format | Format | Supported | Renderable | Filterable |
+ AddUnsizedFormat(&map, GL_ALPHA, GL_ALPHA, RequireES<2, 0>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_LUMINANCE, GL_LUMINANCE, RequireES<2, 0>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, RequireES<2, 0>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_RED, GL_RED, RequireESOrExt<3, 0, &Extensions::textureRG>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_RG, GL_RG, RequireESOrExt<3, 0, &Extensions::textureRG>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_RGB, GL_RGB, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_RGBA, GL_RGBA, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_RED_INTEGER, GL_RED_INTEGER, RequireES<3, 0>, NeverSupported, NeverSupported );
+ AddUnsizedFormat(&map, GL_RG_INTEGER, GL_RG_INTEGER, RequireES<3, 0>, NeverSupported, NeverSupported );
+ AddUnsizedFormat(&map, GL_RGB_INTEGER, GL_RGB_INTEGER, RequireES<3, 0>, NeverSupported, NeverSupported );
+ AddUnsizedFormat(&map, GL_RGBA_INTEGER, GL_RGBA_INTEGER, RequireES<3, 0>, NeverSupported, NeverSupported );
+ AddUnsizedFormat(&map, GL_BGRA_EXT, GL_BGRA_EXT, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, RequireES<2, 0>, RequireES<2, 0>, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_SRGB_EXT, GL_RGB, RequireESOrExt<3, 0, &Extensions::sRGB>, NeverSupported, AlwaysSupported);
+ AddUnsizedFormat(&map, GL_SRGB_ALPHA_EXT, GL_RGBA, RequireESOrExt<3, 0, &Extensions::sRGB>, RequireESOrExt<3, 0, &Extensions::sRGB>, AlwaysSupported);
+
+ // Compressed formats, From ES 3.0.1 spec, table 3.16
+ // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, false, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, RequireES<3, 0>, NeverSupported, AlwaysSupported)));
+
+ // From GL_EXT_texture_compression_dxt1
+ // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported)));
+
+ // From GL_ANGLE_texture_compression_dxt3
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported)));
+
+ // From GL_ANGLE_texture_compression_dxt5
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported)));
+
+ // From GL_OES_compressed_ETC1_RGB8_texture
+ map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_OES, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_OES, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::compressedETC1RGB8Texture>, NeverSupported, AlwaysSupported)));
+
+ // From KHR_texture_compression_astc_hdr
+ // | Internal format | | W | H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_4x4_KHR, CompressedFormat( 4, 4, 128, 4, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_5x4_KHR, CompressedFormat( 5, 4, 128, 4, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_5x5_KHR, CompressedFormat( 5, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_6x5_KHR, CompressedFormat( 6, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_6x6_KHR, CompressedFormat( 6, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x5_KHR, CompressedFormat( 8, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x6_KHR, CompressedFormat( 8, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x8_KHR, CompressedFormat( 8, 8, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x5_KHR, CompressedFormat(10, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x6_KHR, CompressedFormat(10, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x8_KHR, CompressedFormat(10, 8, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x10_KHR, CompressedFormat(10, 10, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_12x10_KHR, CompressedFormat(12, 10, 128, 4, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_12x12_KHR, CompressedFormat(12, 12, 128, 4, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, CompressedFormat( 4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, CompressedFormat( 5, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, CompressedFormat( 5, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, CompressedFormat( 6, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, CompressedFormat( 6, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, CompressedFormat( 8, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, CompressedFormat( 8, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, CompressedFormat( 8, 8, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, CompressedFormat(10, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, CompressedFormat(10, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, CompressedFormat(10, 8, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, CompressedFormat(10, 10, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, CompressedFormat(12, 10, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, CompressedFormat(12, 12, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported)));
+
+ // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
+ // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
+ // - All other stencil formats (all depth-stencil) are either float or normalized
+ // - It affects only validation of internalformat in RenderbufferStorageMultisample.
+ // | Internal format |D |S |X | Format | Type | Component type | Supported | Renderable | Filterable |
+ AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2, 0>, RequireES<2, 0>, NeverSupported);
+
+ // From GL_ANGLE_lossy_etc_decode
+ map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported)));
+
+ // From GL_EXT_texture_norm16
+ // | Internal format | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
+ AddRGBAFormat(&map, GL_R16_EXT, 16, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_R16_SNORM_EXT, 16, 0, 0, 0, 0, GL_RED, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RG16_EXT, 16, 16, 0, 0, 0, GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RG16_SNORM_EXT, 16, 16, 0, 0, 0, GL_RG, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB16_EXT, 16, 16, 16, 0, 0, GL_RGB, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGB16_SNORM_EXT, 16, 16, 16, 0, 0, GL_RGB, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGBA16_EXT, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported);
+ AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported);
+
+ // clang-format on
+
+ return map;
+}
+
+static const InternalFormatInfoMap &GetInternalFormatMap()
+{
+ static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap();
+ return formatMap;
+}
+
+static FormatSet BuildAllSizedInternalFormatSet()
+{
+ FormatSet result;
+
+ for (auto iter : GetInternalFormatMap())
+ {
+ if (iter.second.pixelBytes > 0)
+ {
+ // TODO(jmadill): Fix this hack.
+ if (iter.first == GL_BGR565_ANGLEX)
+ continue;
+
+ result.insert(iter.first);
+ }
+ }
+
+ return result;
+}
+
+const Type &GetTypeInfo(GLenum type)
+{
+ switch (type)
+ {
+ case GL_UNSIGNED_BYTE:
+ case GL_BYTE:
+ {
+ static const Type info = GenTypeInfo(1, false);
+ return info;
+ }
+ case GL_UNSIGNED_SHORT:
+ case GL_SHORT:
+ case GL_HALF_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ {
+ static const Type info = GenTypeInfo(2, false);
+ return info;
+ }
+ case GL_UNSIGNED_INT:
+ case GL_INT:
+ case GL_FLOAT:
+ {
+ static const Type info = GenTypeInfo(4, false);
+ return info;
+ }
+ case GL_UNSIGNED_SHORT_5_6_5:
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
+ {
+ static const Type info = GenTypeInfo(2, true);
+ return info;
+ }
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ case GL_UNSIGNED_INT_24_8:
+ case GL_UNSIGNED_INT_10F_11F_11F_REV:
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ {
+ ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8);
+ static const Type info = GenTypeInfo(4, true);
+ return info;
+ }
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ {
+ static const Type info = GenTypeInfo(8, true);
+ return info;
+ }
+ default:
+ {
+ static const Type defaultInfo;
+ return defaultInfo;
+ }
+ }
+}
+
+const InternalFormat &GetInternalFormatInfo(GLenum internalFormat)
+{
+ const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+ auto iter = formatMap.find(internalFormat);
+ if (iter != formatMap.end())
+ {
+ return iter->second;
+ }
+ else
+ {
+ static const InternalFormat defaultInternalFormat;
+ return defaultInternalFormat;
+ }
+}
+
+ErrorOrResult<GLuint> InternalFormat::computeRowPitch(GLsizei width,
+ GLint alignment,
+ GLint rowLength) const
+{
+ // Compressed images do not use pack/unpack parameters.
+ if (compressed)
+ {
+ ASSERT(rowLength == 0);
+ return computeCompressedImageSize(Extents(width, 1, 1));
+ }
+
+ CheckedNumeric<GLuint> checkedWidth(rowLength > 0 ? rowLength : width);
+ CheckedNumeric<GLuint> checkedRowBytes = checkedWidth * pixelBytes;
+
+ ASSERT(alignment > 0 && isPow2(alignment));
+ CheckedNumeric<GLuint> checkedAlignment(alignment);
+ auto aligned = rx::roundUp(checkedRowBytes, checkedAlignment);
+ ANGLE_TRY_CHECKED_MATH(aligned);
+ return aligned.ValueOrDie();
+}
+
+ErrorOrResult<GLuint> InternalFormat::computeDepthPitch(GLsizei height,
+ GLint imageHeight,
+ GLuint rowPitch)
+{
+ GLuint rows =
+ (imageHeight > 0 ? static_cast<GLuint>(imageHeight) : static_cast<GLuint>(height));
+ CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+
+ auto depthPitch = checkedRowPitch * rows;
+ ANGLE_TRY_CHECKED_MATH(depthPitch);
+ return depthPitch.ValueOrDie();
+}
+
+ErrorOrResult<GLuint> InternalFormat::computeDepthPitch(GLsizei width,
+ GLsizei height,
+ GLint alignment,
+ GLint rowLength,
+ GLint imageHeight) const
+{
+ GLuint rowPitch = 0;
+ ANGLE_TRY_RESULT(computeRowPitch(width, alignment, rowLength), rowPitch);
+ return computeDepthPitch(height, imageHeight, rowPitch);
+}
+
+ErrorOrResult<GLuint> InternalFormat::computeCompressedImageSize(const Extents &size) const
+{
+ CheckedNumeric<GLuint> checkedWidth(size.width);
+ CheckedNumeric<GLuint> checkedHeight(size.height);
+ CheckedNumeric<GLuint> checkedDepth(size.depth);
+ CheckedNumeric<GLuint> checkedBlockWidth(compressedBlockWidth);
+ CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight);
+
+ ASSERT(compressed);
+ auto numBlocksWide = (checkedWidth + checkedBlockWidth - 1u) / checkedBlockWidth;
+ auto numBlocksHigh = (checkedHeight + checkedBlockHeight - 1u) / checkedBlockHeight;
+ auto bytes = numBlocksWide * numBlocksHigh * pixelBytes * checkedDepth;
+ ANGLE_TRY_CHECKED_MATH(bytes);
+ return bytes.ValueOrDie();
+}
+
+ErrorOrResult<GLuint> InternalFormat::computeSkipBytes(GLuint rowPitch,
+ GLuint depthPitch,
+ const PixelStoreStateBase &state,
+ bool is3D) const
+{
+ CheckedNumeric<GLuint> checkedRowPitch(rowPitch);
+ CheckedNumeric<GLuint> checkedDepthPitch(depthPitch);
+ CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(state.skipImages));
+ CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(state.skipRows));
+ CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(state.skipPixels));
+ CheckedNumeric<GLuint> checkedPixelBytes(pixelBytes);
+ auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch;
+ if (!is3D)
+ {
+ checkedSkipImagesBytes = 0;
+ }
+ auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch +
+ checkedSkipPixels * checkedPixelBytes;
+ ANGLE_TRY_CHECKED_MATH(skipBytes);
+ return skipBytes.ValueOrDie();
+}
+
+ErrorOrResult<GLuint> InternalFormat::computePackUnpackEndByte(const Extents &size,
+ const PixelStoreStateBase &state,
+ bool is3D) const
+{
+ GLuint rowPitch = 0;
+ ANGLE_TRY_RESULT(computeRowPitch(size.width, state.alignment, state.rowLength),
+ rowPitch);
+
+ GLuint depthPitch = 0;
+ if (is3D)
+ {
+ ANGLE_TRY_RESULT(computeDepthPitch(size.height, state.imageHeight, rowPitch), depthPitch);
+ }
+
+ CheckedNumeric<GLuint> checkedCopyBytes = 0;
+ if (compressed)
+ {
+ ANGLE_TRY_RESULT(computeCompressedImageSize(size), checkedCopyBytes);
+ }
+ else if (size.height != 0 && (!is3D || size.depth != 0))
+ {
+ CheckedNumeric<GLuint> bytes = pixelBytes;
+ checkedCopyBytes += size.width * bytes;
+
+ CheckedNumeric<GLuint> heightMinusOne = size.height - 1;
+ checkedCopyBytes += heightMinusOne * rowPitch;
+
+ if (is3D)
+ {
+ CheckedNumeric<GLuint> depthMinusOne = size.depth - 1;
+ checkedCopyBytes += depthMinusOne * depthPitch;
+ }
+ }
+
+ CheckedNumeric<GLuint> checkedSkipBytes = 0;
+ ANGLE_TRY_RESULT(computeSkipBytes(rowPitch, depthPitch, state, is3D),
+ checkedSkipBytes);
+
+ CheckedNumeric<GLuint> endByte = checkedCopyBytes + checkedSkipBytes;
+
+ ANGLE_TRY_CHECKED_MATH(endByte);
+ return endByte.ValueOrDie();
+}
+
+GLenum GetSizedInternalFormat(GLenum internalFormat, GLenum type)
+{
+ const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat);
+ if (formatInfo.pixelBytes > 0)
+ {
+ return internalFormat;
+ }
+ return GetSizedFormatInternal(internalFormat, type);
+}
+
+const FormatSet &GetAllSizedInternalFormats()
+{
+ static FormatSet formatSet = BuildAllSizedInternalFormatSet();
+ return formatSet;
+}
+
+AttributeType GetAttributeType(GLenum enumValue)
+{
+ switch (enumValue)
+ {
+ case GL_FLOAT:
+ return ATTRIBUTE_FLOAT;
+ case GL_FLOAT_VEC2:
+ return ATTRIBUTE_VEC2;
+ case GL_FLOAT_VEC3:
+ return ATTRIBUTE_VEC3;
+ case GL_FLOAT_VEC4:
+ return ATTRIBUTE_VEC4;
+ case GL_INT:
+ return ATTRIBUTE_INT;
+ case GL_INT_VEC2:
+ return ATTRIBUTE_IVEC2;
+ case GL_INT_VEC3:
+ return ATTRIBUTE_IVEC3;
+ case GL_INT_VEC4:
+ return ATTRIBUTE_IVEC4;
+ case GL_UNSIGNED_INT:
+ return ATTRIBUTE_UINT;
+ case GL_UNSIGNED_INT_VEC2:
+ return ATTRIBUTE_UVEC2;
+ case GL_UNSIGNED_INT_VEC3:
+ return ATTRIBUTE_UVEC3;
+ case GL_UNSIGNED_INT_VEC4:
+ return ATTRIBUTE_UVEC4;
+ case GL_FLOAT_MAT2:
+ return ATTRIBUTE_MAT2;
+ case GL_FLOAT_MAT3:
+ return ATTRIBUTE_MAT3;
+ case GL_FLOAT_MAT4:
+ return ATTRIBUTE_MAT4;
+ case GL_FLOAT_MAT2x3:
+ return ATTRIBUTE_MAT2x3;
+ case GL_FLOAT_MAT2x4:
+ return ATTRIBUTE_MAT2x4;
+ case GL_FLOAT_MAT3x2:
+ return ATTRIBUTE_MAT3x2;
+ case GL_FLOAT_MAT3x4:
+ return ATTRIBUTE_MAT3x4;
+ case GL_FLOAT_MAT4x2:
+ return ATTRIBUTE_MAT4x2;
+ case GL_FLOAT_MAT4x3:
+ return ATTRIBUTE_MAT4x3;
+ default:
+ UNREACHABLE();
+ return ATTRIBUTE_FLOAT;
+ }
+}
+
+VertexFormatType GetVertexFormatType(GLenum type, GLboolean normalized, GLuint components, bool pureInteger)
+{
+ switch (type)
+ {
+ case GL_BYTE:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_SBYTE1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SBYTE1_NORM;
+ return VERTEX_FORMAT_SBYTE1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_SBYTE2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SBYTE2_NORM;
+ return VERTEX_FORMAT_SBYTE2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_SBYTE3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SBYTE3_NORM;
+ return VERTEX_FORMAT_SBYTE3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_SBYTE4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SBYTE4_NORM;
+ return VERTEX_FORMAT_SBYTE4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_UNSIGNED_BYTE:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_UBYTE1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UBYTE1_NORM;
+ return VERTEX_FORMAT_UBYTE1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_UBYTE2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UBYTE2_NORM;
+ return VERTEX_FORMAT_UBYTE2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_UBYTE3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UBYTE3_NORM;
+ return VERTEX_FORMAT_UBYTE3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_UBYTE4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UBYTE4_NORM;
+ return VERTEX_FORMAT_UBYTE4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_SHORT:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_SSHORT1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SSHORT1_NORM;
+ return VERTEX_FORMAT_SSHORT1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_SSHORT2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SSHORT2_NORM;
+ return VERTEX_FORMAT_SSHORT2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_SSHORT3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SSHORT3_NORM;
+ return VERTEX_FORMAT_SSHORT3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_SSHORT4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SSHORT4_NORM;
+ return VERTEX_FORMAT_SSHORT4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_UNSIGNED_SHORT:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_USHORT1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_USHORT1_NORM;
+ return VERTEX_FORMAT_USHORT1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_USHORT2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_USHORT2_NORM;
+ return VERTEX_FORMAT_USHORT2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_USHORT3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_USHORT3_NORM;
+ return VERTEX_FORMAT_USHORT3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_USHORT4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_USHORT4_NORM;
+ return VERTEX_FORMAT_USHORT4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_INT:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_SINT1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SINT1_NORM;
+ return VERTEX_FORMAT_SINT1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_SINT2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SINT2_NORM;
+ return VERTEX_FORMAT_SINT2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_SINT3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SINT3_NORM;
+ return VERTEX_FORMAT_SINT3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_SINT4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SINT4_NORM;
+ return VERTEX_FORMAT_SINT4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_UNSIGNED_INT:
+ switch (components)
+ {
+ case 1:
+ if (pureInteger)
+ return VERTEX_FORMAT_UINT1_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UINT1_NORM;
+ return VERTEX_FORMAT_UINT1;
+ case 2:
+ if (pureInteger)
+ return VERTEX_FORMAT_UINT2_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UINT2_NORM;
+ return VERTEX_FORMAT_UINT2;
+ case 3:
+ if (pureInteger)
+ return VERTEX_FORMAT_UINT3_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UINT3_NORM;
+ return VERTEX_FORMAT_UINT3;
+ case 4:
+ if (pureInteger)
+ return VERTEX_FORMAT_UINT4_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UINT4_NORM;
+ return VERTEX_FORMAT_UINT4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_FLOAT:
+ switch (components)
+ {
+ case 1:
+ return VERTEX_FORMAT_FLOAT1;
+ case 2:
+ return VERTEX_FORMAT_FLOAT2;
+ case 3:
+ return VERTEX_FORMAT_FLOAT3;
+ case 4:
+ return VERTEX_FORMAT_FLOAT4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_HALF_FLOAT:
+ switch (components)
+ {
+ case 1:
+ return VERTEX_FORMAT_HALF1;
+ case 2:
+ return VERTEX_FORMAT_HALF2;
+ case 3:
+ return VERTEX_FORMAT_HALF3;
+ case 4:
+ return VERTEX_FORMAT_HALF4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_FIXED:
+ switch (components)
+ {
+ case 1:
+ return VERTEX_FORMAT_FIXED1;
+ case 2:
+ return VERTEX_FORMAT_FIXED2;
+ case 3:
+ return VERTEX_FORMAT_FIXED3;
+ case 4:
+ return VERTEX_FORMAT_FIXED4;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ case GL_INT_2_10_10_10_REV:
+ if (pureInteger)
+ return VERTEX_FORMAT_SINT210_INT;
+ if (normalized)
+ return VERTEX_FORMAT_SINT210_NORM;
+ return VERTEX_FORMAT_SINT210;
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if (pureInteger)
+ return VERTEX_FORMAT_UINT210_INT;
+ if (normalized)
+ return VERTEX_FORMAT_UINT210_NORM;
+ return VERTEX_FORMAT_UINT210;
+ default:
+ UNREACHABLE();
+ break;
+ }
+ return VERTEX_FORMAT_UBYTE1;
+}
+
+VertexFormatType GetVertexFormatType(const VertexAttribute &attrib)
+{
+ return GetVertexFormatType(attrib.type, attrib.normalized, attrib.size, attrib.pureInteger);
+}
+
+VertexFormatType GetVertexFormatType(const VertexAttribute &attrib, GLenum currentValueType)
+{
+ if (!attrib.enabled)
+ {
+ return GetVertexFormatType(currentValueType, GL_FALSE, 4, (currentValueType != GL_FLOAT));
+ }
+ return GetVertexFormatType(attrib);
+}
+
+const VertexFormat &GetVertexFormatFromType(VertexFormatType vertexFormatType)
+{
+ switch (vertexFormatType)
+ {
+ case VERTEX_FORMAT_SBYTE1:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE1_NORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE2:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE2_NORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE3:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE3_NORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE4:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE4_NORM:
+ {
+ static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE1:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE1_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE2:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE2_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE3:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE3_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE4:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE4_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT1:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT1_NORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT2:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT2_NORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT3:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT3_NORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT4:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT4_NORM:
+ {
+ static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT1:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT1_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT2:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT2_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT3:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT3_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT4:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT4_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT1:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT1_NORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT2:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT2_NORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT3:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT3_NORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT4:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT4_NORM:
+ {
+ static const VertexFormat format(GL_INT, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT1:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT1_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT2:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT2_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT3:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT3_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT4:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT4_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE1_INT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE2_INT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE3_INT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SBYTE4_INT:
+ {
+ static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE1_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE2_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE3_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UBYTE4_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT1_INT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT2_INT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT3_INT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SSHORT4_INT:
+ {
+ static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT1_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT2_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT3_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_USHORT4_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT1_INT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT2_INT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT3_INT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT4_INT:
+ {
+ static const VertexFormat format(GL_INT, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT1_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT2_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT3_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT4_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_FIXED1:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FIXED2:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FIXED3:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FIXED4:
+ {
+ static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_HALF1:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_HALF2:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_HALF3:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_HALF4:
+ {
+ static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FLOAT1:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FLOAT2:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FLOAT3:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false);
+ return format;
+ }
+ case VERTEX_FORMAT_FLOAT4:
+ {
+ static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT210:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT210:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT210_NORM:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT210_NORM:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false);
+ return format;
+ }
+ case VERTEX_FORMAT_SINT210_INT:
+ {
+ static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+ return format;
+ }
+ case VERTEX_FORMAT_UINT210_INT:
+ {
+ static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true);
+ return format;
+ }
+ default:
+ {
+ static const VertexFormat format(GL_NONE, GL_FALSE, 0, false);
+ return format;
+ }
+ }
+}
+
+VertexFormat::VertexFormat(GLenum typeIn, GLboolean normalizedIn, GLuint componentsIn, bool pureIntegerIn)
+ : type(typeIn),
+ normalized(normalizedIn),
+ components(componentsIn),
+ pureInteger(pureIntegerIn)
+{
+ // float -> !normalized
+ ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) || normalized == GL_FALSE);
+}
+
+}