Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / external / angle / 0d8b7247a207cf0b3f49163c7d750d58510e65e2 / . / src / libANGLE / formatutils.cpp
blob: 0bfe8727edaf26ab94295ea5ade84322683ed17c [file] [log] [blame]
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1//
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]2// Copyright (c) 2013-2014 The ANGLE Project Authors. All rights reserved.
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]3// Use of this source code is governed by a BSD-style license that can be
4// found in the LICENSE file.
5//
6
7// formatutils.cpp: Queries for GL image formats.
8
Shannon Woods4d161ba2014-03-17 18:13:30 -0400[diff] [blame]9#include "common/mathutil.h"
Geoff Lang2b5420c2014-11-19 14:20:15 -0500[diff] [blame]10#include "libANGLE/formatutils.h"
11#include "libANGLE/Context.h"
12#include "libANGLE/Framebuffer.h"
13#include "libANGLE/renderer/Renderer.h"
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]14
15namespace gl
16{
17
18// ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the implementation
19// can decide the true, sized, internal format. The ES2FormatMap determines the internal format for all valid
20// format and type combinations.
21
22typedef std::pair<GLenum, GLenum> FormatTypePair;
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]23typedef std::pair<FormatTypePair, GLenum> FormatPair;
24typedef std::map<FormatTypePair, GLenum> FormatMap;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]25
Jamie Madill89a0bf52013-09-18 14:36:24 -0400[diff] [blame]26// A helper function to insert data into the format map with fewer characters.
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]27static inline void InsertFormatMapping(FormatMap *map, GLenum format, GLenum type, GLenum internalFormat)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]28{
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]29 map->insert(FormatPair(FormatTypePair(format, type), internalFormat));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]30}
31
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]32FormatMap BuildFormatMap()
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]33{
34 FormatMap map;
35
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]36 // | Format | Type | Internal format |
37 InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA8);
38 InsertFormatMapping(&map, GL_RGBA, GL_BYTE, GL_RGBA8_SNORM);
39 InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_RGBA4);
40 InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_RGB5_A1);
41 InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_RGB10_A2);
42 InsertFormatMapping(&map, GL_RGBA, GL_FLOAT, GL_RGBA32F);
43 InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT, GL_RGBA16F);
44 InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT_OES, GL_RGBA16F);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]45
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]46 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_RGBA8UI);
47 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_BYTE, GL_RGBA8I);
48 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_RGBA16UI);
49 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_SHORT, GL_RGBA16I);
50 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_RGBA32UI);
51 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_INT, GL_RGBA32I);
52 InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_RGB10_A2UI);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]53
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]54 InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_BYTE, GL_RGB8);
55 InsertFormatMapping(&map, GL_RGB, GL_BYTE, GL_RGB8_SNORM);
56 InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_RGB565);
57 InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_R11F_G11F_B10F);
58 InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_RGB9_E5);
59 InsertFormatMapping(&map, GL_RGB, GL_FLOAT, GL_RGB32F);
60 InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT, GL_RGB16F);
61 InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT_OES, GL_RGB16F);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]62
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]63 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_RGB8UI);
64 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_BYTE, GL_RGB8I);
65 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_RGB16UI);
66 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_SHORT, GL_RGB16I);
67 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_RGB32UI);
68 InsertFormatMapping(&map, GL_RGB_INTEGER, GL_INT, GL_RGB32I);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]69
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]70 InsertFormatMapping(&map, GL_RG, GL_UNSIGNED_BYTE, GL_RG8);
71 InsertFormatMapping(&map, GL_RG, GL_BYTE, GL_RG8_SNORM);
72 InsertFormatMapping(&map, GL_RG, GL_FLOAT, GL_RG32F);
73 InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT, GL_RG16F);
74 InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT_OES, GL_RG16F);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]75
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]76 InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_RG8UI);
77 InsertFormatMapping(&map, GL_RG_INTEGER, GL_BYTE, GL_RG8I);
78 InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_RG16UI);
79 InsertFormatMapping(&map, GL_RG_INTEGER, GL_SHORT, GL_RG16I);
80 InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_RG32UI);
81 InsertFormatMapping(&map, GL_RG_INTEGER, GL_INT, GL_RG32I);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]82
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]83 InsertFormatMapping(&map, GL_RED, GL_UNSIGNED_BYTE, GL_R8);
84 InsertFormatMapping(&map, GL_RED, GL_BYTE, GL_R8_SNORM);
85 InsertFormatMapping(&map, GL_RED, GL_FLOAT, GL_R32F);
86 InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT, GL_R16F);
87 InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT_OES, GL_R16F);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]88
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]89 InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_R8UI);
90 InsertFormatMapping(&map, GL_RED_INTEGER, GL_BYTE, GL_R8I);
91 InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_R16UI);
92 InsertFormatMapping(&map, GL_RED_INTEGER, GL_SHORT, GL_R16I);
93 InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_R32UI);
94 InsertFormatMapping(&map, GL_RED_INTEGER, GL_INT, GL_R32I);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]95
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]96 InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE8_ALPHA8_EXT);
97 InsertFormatMapping(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_LUMINANCE8_EXT);
98 InsertFormatMapping(&map, GL_ALPHA, GL_UNSIGNED_BYTE, GL_ALPHA8_EXT);
99 InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_LUMINANCE_ALPHA32F_EXT);
100 InsertFormatMapping(&map, GL_LUMINANCE, GL_FLOAT, GL_LUMINANCE32F_EXT);
101 InsertFormatMapping(&map, GL_ALPHA, GL_FLOAT, GL_ALPHA32F_EXT);
102 InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_LUMINANCE_ALPHA16F_EXT);
103 InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_LUMINANCE_ALPHA16F_EXT);
104 InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT, GL_LUMINANCE16F_EXT);
105 InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_LUMINANCE16F_EXT);
106 InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT, GL_ALPHA16F_EXT);
107 InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT_OES, GL_ALPHA16F_EXT);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]108
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]109 InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_BGRA8_EXT);
110 InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_BGRA4_ANGLEX);
111 InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_BGR5_A1_ANGLEX);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]112
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]113 InsertFormatMapping(&map, GL_SRGB_EXT, GL_UNSIGNED_BYTE, GL_SRGB8);
114 InsertFormatMapping(&map, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, GL_SRGB8_ALPHA8);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]115
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]116 InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGB_S3TC_DXT1_EXT);
117 InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT);
118 InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE);
119 InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE);
Geoff Lang05b05022014-06-11 15:31:45 -0400[diff] [blame]120
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]121 InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_DEPTH_COMPONENT16);
122 InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_DEPTH_COMPONENT32_OES);
123 InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_FLOAT, GL_DEPTH_COMPONENT32F);
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]124
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]125 InsertFormatMapping(&map, GL_STENCIL, GL_UNSIGNED_BYTE, GL_STENCIL_INDEX8);
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]126
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]127 InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_DEPTH24_STENCIL8);
128 InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_DEPTH32F_STENCIL8);
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]129
130 return map;
131}
132
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]133Type::Type()
134 : bytes(0),
Olli Etuaho11ffe1b2015-03-24 17:28:18 +0200[diff] [blame]135 bytesShift(0),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]136 specialInterpretation(false)
Geoff Langfe28ca02013-06-04 10:10:48 -0400[diff] [blame]137{
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]138}
139
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]140static Type GenTypeInfo(GLuint bytes, bool specialInterpretation)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]141{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]142 Type info;
143 info.bytes = bytes;
Olli Etuaho11ffe1b2015-03-24 17:28:18 +0200[diff] [blame]144 GLuint i = 0;
145 while ((1u << i) < bytes)
146 {
147 ++i;
148 }
149 info.bytesShift = i;
150 ASSERT((1u << info.bytesShift) == bytes);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]151 info.specialInterpretation = specialInterpretation;
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]152 return info;
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]153}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]154
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]155bool operator<(const Type& a, const Type& b)
156{
157 return memcmp(&a, &b, sizeof(Type)) < 0;
158}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]159
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]160// Information about internal formats
Geoff Lang493daf52014-07-03 13:38:44 -0400[diff] [blame]161static bool AlwaysSupported(GLuint, const Extensions &)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]162{
Geoff Lang493daf52014-07-03 13:38:44 -0400[diff] [blame]163 return true;
164}
165
Geoff Lang493daf52014-07-03 13:38:44 -0400[diff] [blame]166static bool NeverSupported(GLuint, const Extensions &)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]167{
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]168 return false;
169}
170
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]171template <GLuint minCoreGLVersion>
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]172static bool RequireES(GLuint clientVersion, const Extensions &)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]173{
174 return clientVersion >= minCoreGLVersion;
175}
176
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]177// Pointer to a boolean memeber of the Extensions struct
178typedef bool(Extensions::*ExtensionBool);
179
180// Check support for a single extension
181template <ExtensionBool bool1>
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]182static bool RequireExt(GLuint, const Extensions & extensions)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]183{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]184 return extensions.*bool1;
185}
186
187// Check for a minimum client version or a single extension
188template <GLuint minCoreGLVersion, ExtensionBool bool1>
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]189static bool RequireESOrExt(GLuint clientVersion, const Extensions &extensions)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]190{
191 return clientVersion >= minCoreGLVersion || extensions.*bool1;
192}
193
194// Check for a minimum client version or two extensions
195template <GLuint minCoreGLVersion, ExtensionBool bool1, ExtensionBool bool2>
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]196static bool RequireESOrExtAndExt(GLuint clientVersion, const Extensions &extensions)
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]197{
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]198 return clientVersion >= minCoreGLVersion || (extensions.*bool1 && extensions.*bool2);
199}
200
201// Check for a minimum client version or at least one of two extensions
202template <GLuint minCoreGLVersion, ExtensionBool bool1, ExtensionBool bool2>
203static bool RequireESOrExtOrExt(GLuint clientVersion, const Extensions &extensions)
204{
205 return clientVersion >= minCoreGLVersion || extensions.*bool1 || extensions.*bool2;
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]206}
207
208// Check support for two extensions
209template <ExtensionBool bool1, ExtensionBool bool2>
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]210static bool RequireExtAndExt(GLuint, const Extensions &extensions)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]211{
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]212 return extensions.*bool1 && extensions.*bool2;
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]213}
214
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]215InternalFormat::InternalFormat()
216 : redBits(0),
217 greenBits(0),
218 blueBits(0),
219 luminanceBits(0),
220 alphaBits(0),
221 sharedBits(0),
222 depthBits(0),
223 stencilBits(0),
224 pixelBytes(0),
225 componentCount(0),
Corentin Wallezbc99bb62015-05-14 17:42:20 -0400[diff] [blame]226 compressed(false),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]227 compressedBlockWidth(0),
228 compressedBlockHeight(0),
229 format(GL_NONE),
230 type(GL_NONE),
231 componentType(GL_NONE),
232 colorEncoding(GL_NONE),
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]233 textureSupport(NeverSupported),
234 renderSupport(NeverSupported),
235 filterSupport(NeverSupported)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]236{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]237}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]238
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]239static InternalFormat UnsizedFormat(GLenum format, InternalFormat::SupportCheckFunction textureSupport,
240 InternalFormat::SupportCheckFunction renderSupport,
241 InternalFormat::SupportCheckFunction filterSupport)
242{
243 InternalFormat formatInfo;
244 formatInfo.format = format;
245 formatInfo.textureSupport = textureSupport;
246 formatInfo.renderSupport = renderSupport;
247 formatInfo.filterSupport = filterSupport;
248 return formatInfo;
249}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]250
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]251static InternalFormat RGBAFormat(GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint shared,
252 GLenum format, GLenum type, GLenum componentType, bool srgb,
253 InternalFormat::SupportCheckFunction textureSupport,
254 InternalFormat::SupportCheckFunction renderSupport,
255 InternalFormat::SupportCheckFunction filterSupport)
256{
257 InternalFormat formatInfo;
258 formatInfo.redBits = red;
259 formatInfo.greenBits = green;
260 formatInfo.blueBits = blue;
261 formatInfo.alphaBits = alpha;
262 formatInfo.sharedBits = shared;
263 formatInfo.pixelBytes = (red + green + blue + alpha + shared) / 8;
264 formatInfo.componentCount = ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
265 formatInfo.format = format;
266 formatInfo.type = type;
267 formatInfo.componentType = componentType;
268 formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
269 formatInfo.textureSupport = textureSupport;
270 formatInfo.renderSupport = renderSupport;
271 formatInfo.filterSupport = filterSupport;
272 return formatInfo;
273}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]274
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]275static InternalFormat LUMAFormat(GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType,
276 InternalFormat::SupportCheckFunction textureSupport,
277 InternalFormat::SupportCheckFunction renderSupport,
278 InternalFormat::SupportCheckFunction filterSupport)
279{
280 InternalFormat formatInfo;
281 formatInfo.luminanceBits = luminance;
282 formatInfo.alphaBits = alpha;
283 formatInfo.pixelBytes = (luminance + alpha) / 8;
284 formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
285 formatInfo.format = format;
286 formatInfo.type = type;
287 formatInfo.componentType = componentType;
288 formatInfo.colorEncoding = GL_LINEAR;
289 formatInfo.textureSupport = textureSupport;
290 formatInfo.renderSupport = renderSupport;
291 formatInfo.filterSupport = filterSupport;
292 return formatInfo;
293}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]294
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]295static InternalFormat DepthStencilFormat(GLuint depthBits, GLuint stencilBits, GLuint unusedBits, GLenum format,
296 GLenum type, GLenum componentType, InternalFormat::SupportCheckFunction textureSupport,
297 InternalFormat::SupportCheckFunction renderSupport,
298 InternalFormat::SupportCheckFunction filterSupport)
299{
300 InternalFormat formatInfo;
301 formatInfo.depthBits = depthBits;
302 formatInfo.stencilBits = stencilBits;
303 formatInfo.pixelBytes = (depthBits + stencilBits + unusedBits) / 8;
304 formatInfo.componentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
305 formatInfo.format = format;
306 formatInfo.type = type;
307 formatInfo.componentType = componentType;
308 formatInfo.colorEncoding = GL_LINEAR;
309 formatInfo.textureSupport = textureSupport;
310 formatInfo.renderSupport = renderSupport;
311 formatInfo.filterSupport = filterSupport;
312 return formatInfo;
313}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]314
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]315static InternalFormat CompressedFormat(GLuint compressedBlockWidth, GLuint compressedBlockHeight, GLuint compressedBlockSize,
316 GLuint componentCount, GLenum format, GLenum type, bool srgb,
317 InternalFormat::SupportCheckFunction textureSupport,
318 InternalFormat::SupportCheckFunction renderSupport,
319 InternalFormat::SupportCheckFunction filterSupport)
320{
321 InternalFormat formatInfo;
322 formatInfo.compressedBlockWidth = compressedBlockWidth;
323 formatInfo.compressedBlockHeight = compressedBlockHeight;
324 formatInfo.pixelBytes = compressedBlockSize / 8;
325 formatInfo.componentCount = componentCount;
326 formatInfo.format = format;
327 formatInfo.type = type;
328 formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
329 formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
330 formatInfo.compressed = true;
331 formatInfo.textureSupport = textureSupport;
332 formatInfo.renderSupport = renderSupport;
333 formatInfo.filterSupport = filterSupport;
334 return formatInfo;
335}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]336
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]337typedef std::pair<GLenum, InternalFormat> InternalFormatInfoPair;
338typedef std::map<GLenum, InternalFormat> InternalFormatInfoMap;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]339
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]340static InternalFormatInfoMap BuildInternalFormatInfoMap()
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]341{
342 InternalFormatInfoMap map;
343
Geoff Lang9bbad182015-09-04 11:07:29 -0400[diff] [blame]344 // clang-format off
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]345 // From ES 3.0.1 spec, table 3.12
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]346 map.insert(InternalFormatInfoPair(GL_NONE, InternalFormat()));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]347
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]348 // | Internal format | | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
349 map.insert(InternalFormatInfoPair(GL_R8, RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::textureRG>, RequireESOrExt<3, &Extensions::textureRG>, AlwaysSupported)));
350 map.insert(InternalFormatInfoPair(GL_R8_SNORM, RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported)));
351 map.insert(InternalFormatInfoPair(GL_RG8, RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::textureRG>, RequireESOrExt<3, &Extensions::textureRG>, AlwaysSupported)));
352 map.insert(InternalFormatInfoPair(GL_RG8_SNORM, RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported)));
353 map.insert(InternalFormatInfoPair(GL_RGB8, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::rgb8rgba8>, RequireESOrExt<3, &Extensions::rgb8rgba8>, AlwaysSupported)));
354 map.insert(InternalFormatInfoPair(GL_RGB8_SNORM, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported)));
355 map.insert(InternalFormatInfoPair(GL_RGB565, RGBAFormat( 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported)));
356 map.insert(InternalFormatInfoPair(GL_RGBA4, RGBAFormat( 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported)));
357 map.insert(InternalFormatInfoPair(GL_RGB5_A1, RGBAFormat( 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported)));
358 map.insert(InternalFormatInfoPair(GL_RGBA8, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::rgb8rgba8>, RequireESOrExt<3, &Extensions::rgb8rgba8>, AlwaysSupported)));
359 map.insert(InternalFormatInfoPair(GL_RGBA8_SNORM, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported)));
360 map.insert(InternalFormatInfoPair(GL_RGB10_A2, RGBAFormat(10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<3>, RequireES<3>, AlwaysSupported)));
Geoff Lang9bbad182015-09-04 11:07:29 -0400[diff] [blame]361 map.insert(InternalFormatInfoPair(GL_RGB10_A2UI, RGBAFormat(10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]362 map.insert(InternalFormatInfoPair(GL_SRGB8, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported)));
363 map.insert(InternalFormatInfoPair(GL_SRGB8_ALPHA8, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, &Extensions::sRGB>, RequireESOrExt<3, &Extensions::sRGB>, AlwaysSupported)));
364 map.insert(InternalFormatInfoPair(GL_R11F_G11F_B10F, RGBAFormat(11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3>, RequireExt<&Extensions::colorBufferFloat>, AlwaysSupported)));
365 map.insert(InternalFormatInfoPair(GL_RGB9_E5, RGBAFormat( 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3>, NeverSupported, AlwaysSupported)));
366 map.insert(InternalFormatInfoPair(GL_R8I, RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
367 map.insert(InternalFormatInfoPair(GL_R8UI, RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
368 map.insert(InternalFormatInfoPair(GL_R16I, RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
369 map.insert(InternalFormatInfoPair(GL_R16UI, RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
370 map.insert(InternalFormatInfoPair(GL_R32I, RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
371 map.insert(InternalFormatInfoPair(GL_R32UI, RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
372 map.insert(InternalFormatInfoPair(GL_RG8I, RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
373 map.insert(InternalFormatInfoPair(GL_RG8UI, RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
374 map.insert(InternalFormatInfoPair(GL_RG16I, RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
375 map.insert(InternalFormatInfoPair(GL_RG16UI, RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
376 map.insert(InternalFormatInfoPair(GL_RG32I, RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
377 map.insert(InternalFormatInfoPair(GL_RG32UI, RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
378 map.insert(InternalFormatInfoPair(GL_RGB8I, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
379 map.insert(InternalFormatInfoPair(GL_RGB8UI, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
380 map.insert(InternalFormatInfoPair(GL_RGB16I, RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
381 map.insert(InternalFormatInfoPair(GL_RGB16UI, RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
382 map.insert(InternalFormatInfoPair(GL_RGB32I, RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
383 map.insert(InternalFormatInfoPair(GL_RGB32UI, RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported)));
384 map.insert(InternalFormatInfoPair(GL_RGBA8I, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
385 map.insert(InternalFormatInfoPair(GL_RGBA8UI, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
386 map.insert(InternalFormatInfoPair(GL_RGBA16I, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
387 map.insert(InternalFormatInfoPair(GL_RGBA16UI, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
388 map.insert(InternalFormatInfoPair(GL_RGBA32I, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
389 map.insert(InternalFormatInfoPair(GL_RGBA32UI, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]390
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]391 map.insert(InternalFormatInfoPair(GL_BGRA8_EXT, RGBAFormat( 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported)));
392 map.insert(InternalFormatInfoPair(GL_BGRA4_ANGLEX, RGBAFormat( 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)));
393 map.insert(InternalFormatInfoPair(GL_BGR5_A1_ANGLEX, RGBAFormat( 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)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]394
395 // Floating point renderability and filtering is provided by OES_texture_float and OES_texture_half_float
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]396 // | Internal format | | D |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable |
397 // | | | | | | | type | | | | |
398 map.insert(InternalFormatInfoPair(GL_R16F, RGBAFormat(16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, RequireESOrExtAndExt<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, RequireESOrExtAndExt<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureHalfFloatLinear>)));
399 map.insert(InternalFormatInfoPair(GL_RG16F, RGBAFormat(16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, RequireESOrExtAndExt<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, RequireESOrExtAndExt<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureHalfFloatLinear>)));
400 map.insert(InternalFormatInfoPair(GL_RGB16F, RGBAFormat(16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, RequireESOrExt<3, &Extensions::textureHalfFloat>, RequireESOrExt<3, &Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>)));
401 map.insert(InternalFormatInfoPair(GL_RGBA16F, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, RequireESOrExt<3, &Extensions::textureHalfFloat>, RequireESOrExt<3, &Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>)));
402 map.insert(InternalFormatInfoPair(GL_R32F, RGBAFormat(32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, RequireESOrExtAndExt<3, &Extensions::textureFloat, &Extensions::textureRG>, RequireESOrExtAndExt<3, &Extensions::textureFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureFloatLinear> )));
403 map.insert(InternalFormatInfoPair(GL_RG32F, RGBAFormat(32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, RequireESOrExtAndExt<3, &Extensions::textureFloat, &Extensions::textureRG>, RequireESOrExtAndExt<3, &Extensions::textureFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureFloatLinear> )));
404 map.insert(InternalFormatInfoPair(GL_RGB32F, RGBAFormat(32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, RequireESOrExt<3, &Extensions::textureFloat>, RequireESOrExt<3, &Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear> )));
405 map.insert(InternalFormatInfoPair(GL_RGBA32F, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, RequireESOrExt<3, &Extensions::textureFloat>, RequireESOrExt<3, &Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear> )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]406
407 // Depth stencil formats
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]408 // | Internal format | | D |S | X | Format | Type | Component type | Supported | Renderable | Filterable |
409 map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT16, DepthStencilFormat(16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<2>, RequireES<2>, RequireESOrExt<3, &Extensions::depthTextures>)));
410 map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT24, DepthStencilFormat(24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3>, RequireES<3>, RequireESOrExt<3, &Extensions::depthTextures>)));
411 map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32F, DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3>, RequireES<3>, RequireESOrExt<3, &Extensions::depthTextures>)));
412 map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32_OES, DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::depthTextures>, RequireExt<&Extensions::depthTextures>, AlwaysSupported )));
413 map.insert(InternalFormatInfoPair(GL_DEPTH24_STENCIL8, DepthStencilFormat(24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, &Extensions::depthTextures>, RequireESOrExtOrExt<3, &Extensions::depthTextures, &Extensions::packedDepthStencil>, AlwaysSupported )));
414 map.insert(InternalFormatInfoPair(GL_DEPTH32F_STENCIL8, DepthStencilFormat(32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireES<3>, RequireES<3>, AlwaysSupported )));
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]415 // STENCIL_INDEX8 is special-cased, see around the bottom of the list.
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]416
417 // Luminance alpha formats
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]418 // | Internal format | | L | A | Format | Type | Component type | Supported | Renderable | Filterable |
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]419 map.insert(InternalFormatInfoPair(GL_ALPHA8_EXT, LUMAFormat( 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
420 map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
421 map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
422 map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
423 map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
424 map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
425 map.insert(InternalFormatInfoPair(GL_LUMINANCE8_ALPHA8_EXT, LUMAFormat( 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
426 map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
427 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)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]428
429 // Unsized formats
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]430 // | Internal format | | Format | Supported | Renderable | Filterable |
431 map.insert(InternalFormatInfoPair(GL_ALPHA, UnsizedFormat(GL_ALPHA, RequireES<2>, NeverSupported, AlwaysSupported)));
432 map.insert(InternalFormatInfoPair(GL_LUMINANCE, UnsizedFormat(GL_LUMINANCE, RequireES<2>, NeverSupported, AlwaysSupported)));
433 map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA, UnsizedFormat(GL_LUMINANCE_ALPHA, RequireES<2>, NeverSupported, AlwaysSupported)));
434 map.insert(InternalFormatInfoPair(GL_RED, UnsizedFormat(GL_RED, RequireESOrExt<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported)));
435 map.insert(InternalFormatInfoPair(GL_RG, UnsizedFormat(GL_RG, RequireESOrExt<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported)));
436 map.insert(InternalFormatInfoPair(GL_RGB, UnsizedFormat(GL_RGB, RequireES<2>, RequireES<2>, AlwaysSupported)));
437 map.insert(InternalFormatInfoPair(GL_RGBA, UnsizedFormat(GL_RGBA, RequireES<2>, RequireES<2>, AlwaysSupported)));
438 map.insert(InternalFormatInfoPair(GL_RED_INTEGER, UnsizedFormat(GL_RED_INTEGER, RequireES<3>, NeverSupported, NeverSupported )));
439 map.insert(InternalFormatInfoPair(GL_RG_INTEGER, UnsizedFormat(GL_RG_INTEGER, RequireES<3>, NeverSupported, NeverSupported )));
440 map.insert(InternalFormatInfoPair(GL_RGB_INTEGER, UnsizedFormat(GL_RGB_INTEGER, RequireES<3>, NeverSupported, NeverSupported )));
441 map.insert(InternalFormatInfoPair(GL_RGBA_INTEGER, UnsizedFormat(GL_RGBA_INTEGER, RequireES<3>, NeverSupported, NeverSupported )));
442 map.insert(InternalFormatInfoPair(GL_BGRA_EXT, UnsizedFormat(GL_BGRA_EXT, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported)));
443 map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT, UnsizedFormat(GL_DEPTH_COMPONENT, RequireES<2>, RequireES<2>, AlwaysSupported)));
444 map.insert(InternalFormatInfoPair(GL_DEPTH_STENCIL, UnsizedFormat(GL_DEPTH_STENCIL, RequireESOrExt<3, &Extensions::packedDepthStencil>, RequireESOrExt<3, &Extensions::packedDepthStencil>, AlwaysSupported)));
445 map.insert(InternalFormatInfoPair(GL_SRGB_EXT, UnsizedFormat(GL_RGB, RequireESOrExt<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported)));
446 map.insert(InternalFormatInfoPair(GL_SRGB_ALPHA_EXT, UnsizedFormat(GL_RGBA, RequireESOrExt<3, &Extensions::sRGB>, RequireESOrExt<3, &Extensions::sRGB>, AlwaysSupported)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]447
448 // Compressed formats, From ES 3.0.1 spec, table 3.16
Geoff Lang0d8b7242015-09-09 14:56:53 -0400[diff] [blame^]449 // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
450 map.insert(InternalFormatInfoPair(GL_COMPRESSED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
451 map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
452 map.insert(InternalFormatInfoPair(GL_COMPRESSED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
453 map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
454 map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
455 map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported)));
456 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>, NeverSupported, AlwaysSupported)));
457 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>, NeverSupported, AlwaysSupported)));
458 map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported)));
459 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>, NeverSupported, AlwaysSupported)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]460
461 // From GL_EXT_texture_compression_dxt1
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]462 // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
463 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)));
464 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)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]465
466 // From GL_ANGLE_texture_compression_dxt3
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]467 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)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]468
469 // From GL_ANGLE_texture_compression_dxt5
Geoff Langabce7622014-09-19 16:13:00 -0400[diff] [blame]470 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)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]471
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]472 // For STENCIL_INDEX8 we chose a normalized component type for the following reasons:
473 // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8
474 // - All other stencil formats (all depth-stencil) are either float or normalized
475 // - It affects only validation of internalformat in RenderbufferStorageMultisample.
476 // | Internal format | |D |S |X | Format | Type | Component type | Supported | Renderable | Filterable |
477 map.insert(InternalFormatInfoPair(GL_STENCIL_INDEX8, DepthStencilFormat(0, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2>, RequireES<2>, NeverSupported)));
Geoff Lang9bbad182015-09-04 11:07:29 -0400[diff] [blame]478 // clang-format on
Corentin Walleze0902642014-11-04 12:32:15 -0800[diff] [blame]479
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]480 return map;
481}
482
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]483static const InternalFormatInfoMap &GetInternalFormatMap()
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]484{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]485 static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap();
486 return formatMap;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]487}
488
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]489static FormatSet BuildAllSizedInternalFormatSet()
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]490{
491 FormatSet result;
492
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]493 const InternalFormatInfoMap &formats = GetInternalFormatMap();
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]494 for (InternalFormatInfoMap::const_iterator i = formats.begin(); i != formats.end(); i++)
495 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]496 if (i->second.pixelBytes > 0)
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]497 {
498 result.insert(i->first);
499 }
500 }
501
502 return result;
503}
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]504
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]505const Type &GetTypeInfo(GLenum type)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]506{
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]507 switch (type)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]508 {
Olli Etuaho31f8f4f2015-03-25 16:03:57 +0200[diff] [blame]509 case GL_UNSIGNED_BYTE:
510 case GL_BYTE:
511 {
512 static const Type info = GenTypeInfo(1, false);
513 return info;
514 }
515 case GL_UNSIGNED_SHORT:
516 case GL_SHORT:
517 case GL_HALF_FLOAT:
518 case GL_HALF_FLOAT_OES:
519 {
520 static const Type info = GenTypeInfo(2, false);
521 return info;
522 }
523 case GL_UNSIGNED_INT:
524 case GL_INT:
525 case GL_FLOAT:
526 {
527 static const Type info = GenTypeInfo(4, false);
528 return info;
529 }
530 case GL_UNSIGNED_SHORT_5_6_5:
531 case GL_UNSIGNED_SHORT_4_4_4_4:
532 case GL_UNSIGNED_SHORT_5_5_5_1:
533 case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT:
534 case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT:
535 {
536 static const Type info = GenTypeInfo(2, true);
537 return info;
538 }
539 case GL_UNSIGNED_INT_2_10_10_10_REV:
540 case GL_UNSIGNED_INT_24_8:
541 case GL_UNSIGNED_INT_10F_11F_11F_REV:
542 case GL_UNSIGNED_INT_5_9_9_9_REV:
543 {
544 ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8);
545 static const Type info = GenTypeInfo(4, true);
546 return info;
547 }
548 case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
549 {
550 static const Type info = GenTypeInfo(8, true);
551 return info;
552 }
553 default:
554 {
555 static const Type defaultInfo;
556 return defaultInfo;
557 }
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]558 }
559}
560
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]561const InternalFormat &GetInternalFormatInfo(GLenum internalFormat)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]562{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]563 const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
564 InternalFormatInfoMap::const_iterator iter = formatMap.find(internalFormat);
565 if (iter != formatMap.end())
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]566 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]567 return iter->second;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]568 }
569 else
570 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]571 static const InternalFormat defaultInternalFormat;
572 return defaultInternalFormat;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]573 }
574}
575
Minmin Gongb8aee3b2015-01-27 14:42:36 -0800[diff] [blame]576GLuint InternalFormat::computeRowPitch(GLenum formatType, GLsizei width, GLint alignment, GLint rowLength) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]577{
578 ASSERT(alignment > 0 && isPow2(alignment));
Minmin Gongb8aee3b2015-01-27 14:42:36 -0800[diff] [blame]579 GLuint rowBytes;
580 if (rowLength > 0)
581 {
582 ASSERT(!compressed);
583 rowBytes = pixelBytes * rowLength;
584 }
585 else
586 {
587 rowBytes = computeBlockSize(formatType, width, 1);
588 }
589 return rx::roundUp(rowBytes, static_cast<GLuint>(alignment));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]590}
591
Minmin Gongb8aee3b2015-01-27 14:42:36 -0800[diff] [blame]592GLuint InternalFormat::computeDepthPitch(GLenum formatType, GLsizei width, GLsizei height, GLint alignment, GLint rowLength) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]593{
Minmin Gongb8aee3b2015-01-27 14:42:36 -0800[diff] [blame]594 return computeRowPitch(formatType, width, alignment, rowLength) * height;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]595}
596
Austin Kinross3ae64652015-01-26 15:51:39 -0800[diff] [blame]597GLuint InternalFormat::computeBlockSize(GLenum formatType, GLsizei width, GLsizei height) const
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]598{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]599 if (compressed)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]600 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]601 GLsizei numBlocksWide = (width + compressedBlockWidth - 1) / compressedBlockWidth;
602 GLsizei numBlocksHight = (height + compressedBlockHeight - 1) / compressedBlockHeight;
603 return (pixelBytes * numBlocksWide * numBlocksHight);
604 }
605 else
606 {
Austin Kinross3ae64652015-01-26 15:51:39 -0800[diff] [blame]607 const Type &typeInfo = GetTypeInfo(formatType);
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]608 if (typeInfo.specialInterpretation)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]609 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]610 return typeInfo.bytes * width * height;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]611 }
612 else
613 {
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]614 return componentCount * typeInfo.bytes * width * height;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]615 }
616 }
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]617}
618
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]619GLenum GetSizedInternalFormat(GLenum internalFormat, GLenum type)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]620{
Geoff Lang5d601382014-07-22 15:14:06 -0400[diff] [blame]621 const InternalFormat& formatInfo = GetInternalFormatInfo(internalFormat);
Geoff Lang051dbc72015-01-05 15:48:58 -0500[diff] [blame]622 if (formatInfo.pixelBytes > 0)
623 {
624 return internalFormat;
625 }
626 else
627 {
628 static const FormatMap formatMap = BuildFormatMap();
629 FormatMap::const_iterator iter = formatMap.find(FormatTypePair(internalFormat, type));
630 if (iter != formatMap.end())
631 {
632 return iter->second;
633 }
634 else
635 {
636 return GL_NONE;
637 }
638 }
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]639}
640
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]641const FormatSet &GetAllSizedInternalFormats()
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]642{
Geoff Lange4a492b2014-06-19 14:14:41 -0400[diff] [blame]643 static FormatSet formatSet = BuildAllSizedInternalFormatSet();
Geoff Langcec35902014-04-16 10:52:36 -0400[diff] [blame]644 return formatSet;
645}
646
Jamie Madill09e2d932015-07-14 16:40:31 -0400[diff] [blame]647AttributeType GetAttributeType(GLenum enumValue)
648{
649 switch (enumValue)
650 {
651 case GL_FLOAT:
652 return ATTRIBUTE_FLOAT;
653 case GL_FLOAT_VEC2:
654 return ATTRIBUTE_VEC2;
655 case GL_FLOAT_VEC3:
656 return ATTRIBUTE_VEC3;
657 case GL_FLOAT_VEC4:
658 return ATTRIBUTE_VEC4;
659 case GL_INT:
660 return ATTRIBUTE_INT;
661 case GL_INT_VEC2:
662 return ATTRIBUTE_IVEC2;
663 case GL_INT_VEC3:
664 return ATTRIBUTE_IVEC3;
665 case GL_INT_VEC4:
666 return ATTRIBUTE_IVEC4;
667 case GL_UNSIGNED_INT:
668 return ATTRIBUTE_UINT;
669 case GL_UNSIGNED_INT_VEC2:
670 return ATTRIBUTE_UVEC2;
671 case GL_UNSIGNED_INT_VEC3:
672 return ATTRIBUTE_UVEC3;
673 case GL_UNSIGNED_INT_VEC4:
674 return ATTRIBUTE_UVEC4;
675 case GL_FLOAT_MAT2:
676 return ATTRIBUTE_MAT2;
677 case GL_FLOAT_MAT3:
678 return ATTRIBUTE_MAT3;
679 case GL_FLOAT_MAT4:
680 return ATTRIBUTE_MAT4;
681 case GL_FLOAT_MAT2x3:
682 return ATTRIBUTE_MAT2x3;
683 case GL_FLOAT_MAT2x4:
684 return ATTRIBUTE_MAT2x4;
685 case GL_FLOAT_MAT3x2:
686 return ATTRIBUTE_MAT3x2;
687 case GL_FLOAT_MAT3x4:
688 return ATTRIBUTE_MAT3x4;
689 case GL_FLOAT_MAT4x2:
690 return ATTRIBUTE_MAT4x2;
691 case GL_FLOAT_MAT4x3:
692 return ATTRIBUTE_MAT4x3;
693 default:
694 UNREACHABLE();
695 return ATTRIBUTE_FLOAT;
696 }
697}
698
Jamie Madilld3dfda22015-07-06 08:28:49 -0400[diff] [blame]699VertexFormatType GetVertexFormatType(GLenum type, GLboolean normalized, GLuint components, bool pureInteger)
700{
701 switch (type)
702 {
703 case GL_BYTE:
704 switch (components)
705 {
706 case 1:
707 if (pureInteger)
708 return VERTEX_FORMAT_SBYTE1_INT;
709 if (normalized)
710 return VERTEX_FORMAT_SBYTE1_NORM;
711 return VERTEX_FORMAT_SBYTE1;
712 case 2:
713 if (pureInteger)
714 return VERTEX_FORMAT_SBYTE2_INT;
715 if (normalized)
716 return VERTEX_FORMAT_SBYTE2_NORM;
717 return VERTEX_FORMAT_SBYTE2;
718 case 3:
719 if (pureInteger)
720 return VERTEX_FORMAT_SBYTE3_INT;
721 if (normalized)
722 return VERTEX_FORMAT_SBYTE3_NORM;
723 return VERTEX_FORMAT_SBYTE3;
724 case 4:
725 if (pureInteger)
726 return VERTEX_FORMAT_SBYTE4_INT;
727 if (normalized)
728 return VERTEX_FORMAT_SBYTE4_NORM;
729 return VERTEX_FORMAT_SBYTE4;
730 default:
731 UNREACHABLE();
732 break;
733 }
734 case GL_UNSIGNED_BYTE:
735 switch (components)
736 {
737 case 1:
738 if (pureInteger)
739 return VERTEX_FORMAT_UBYTE1_INT;
740 if (normalized)
741 return VERTEX_FORMAT_UBYTE1_NORM;
742 return VERTEX_FORMAT_UBYTE1;
743 case 2:
744 if (pureInteger)
745 return VERTEX_FORMAT_UBYTE2_INT;
746 if (normalized)
747 return VERTEX_FORMAT_UBYTE2_NORM;
748 return VERTEX_FORMAT_UBYTE2;
749 case 3:
750 if (pureInteger)
751 return VERTEX_FORMAT_UBYTE3_INT;
752 if (normalized)
753 return VERTEX_FORMAT_UBYTE3_NORM;
754 return VERTEX_FORMAT_UBYTE3;
755 case 4:
756 if (pureInteger)
757 return VERTEX_FORMAT_UBYTE4_INT;
758 if (normalized)
759 return VERTEX_FORMAT_UBYTE4_NORM;
760 return VERTEX_FORMAT_UBYTE4;
761 default:
762 UNREACHABLE();
763 break;
764 }
765 case GL_SHORT:
766 switch (components)
767 {
768 case 1:
769 if (pureInteger)
770 return VERTEX_FORMAT_SSHORT1_INT;
771 if (normalized)
772 return VERTEX_FORMAT_SSHORT1_NORM;
773 return VERTEX_FORMAT_SSHORT1;
774 case 2:
775 if (pureInteger)
776 return VERTEX_FORMAT_SSHORT2_INT;
777 if (normalized)
778 return VERTEX_FORMAT_SSHORT2_NORM;
779 return VERTEX_FORMAT_SSHORT2;
780 case 3:
781 if (pureInteger)
782 return VERTEX_FORMAT_SSHORT3_INT;
783 if (normalized)
784 return VERTEX_FORMAT_SSHORT3_NORM;
785 return VERTEX_FORMAT_SSHORT3;
786 case 4:
787 if (pureInteger)
788 return VERTEX_FORMAT_SSHORT4_INT;
789 if (normalized)
790 return VERTEX_FORMAT_SSHORT4_NORM;
791 return VERTEX_FORMAT_SSHORT4;
792 default:
793 UNREACHABLE();
794 break;
795 }
796 case GL_UNSIGNED_SHORT:
797 switch (components)
798 {
799 case 1:
800 if (pureInteger)
801 return VERTEX_FORMAT_USHORT1_INT;
802 if (normalized)
803 return VERTEX_FORMAT_USHORT1_NORM;
804 return VERTEX_FORMAT_USHORT1;
805 case 2:
806 if (pureInteger)
807 return VERTEX_FORMAT_USHORT2_INT;
808 if (normalized)
809 return VERTEX_FORMAT_USHORT2_NORM;
810 return VERTEX_FORMAT_USHORT2;
811 case 3:
812 if (pureInteger)
813 return VERTEX_FORMAT_USHORT3_INT;
814 if (normalized)
815 return VERTEX_FORMAT_USHORT3_NORM;
816 return VERTEX_FORMAT_USHORT3;
817 case 4:
818 if (pureInteger)
819 return VERTEX_FORMAT_USHORT4_INT;
820 if (normalized)
821 return VERTEX_FORMAT_USHORT4_NORM;
822 return VERTEX_FORMAT_USHORT4;
823 default:
824 UNREACHABLE();
825 break;
826 }
827 case GL_INT:
828 switch (components)
829 {
830 case 1:
831 if (pureInteger)
832 return VERTEX_FORMAT_SINT1_INT;
833 if (normalized)
834 return VERTEX_FORMAT_SINT1_NORM;
835 return VERTEX_FORMAT_SINT1;
836 case 2:
837 if (pureInteger)
838 return VERTEX_FORMAT_SINT2_INT;
839 if (normalized)
840 return VERTEX_FORMAT_SINT2_NORM;
841 return VERTEX_FORMAT_SINT2;
842 case 3:
843 if (pureInteger)
844 return VERTEX_FORMAT_SINT3_INT;
845 if (normalized)
846 return VERTEX_FORMAT_SINT3_NORM;
847 return VERTEX_FORMAT_SINT3;
848 case 4:
849 if (pureInteger)
850 return VERTEX_FORMAT_SINT4_INT;
851 if (normalized)
852 return VERTEX_FORMAT_SINT4_NORM;
853 return VERTEX_FORMAT_SINT4;
854 default:
855 UNREACHABLE();
856 break;
857 }
858 case GL_UNSIGNED_INT:
859 switch (components)
860 {
861 case 1:
862 if (pureInteger)
863 return VERTEX_FORMAT_UINT1_INT;
864 if (normalized)
865 return VERTEX_FORMAT_UINT1_NORM;
866 return VERTEX_FORMAT_UINT1;
867 case 2:
868 if (pureInteger)
869 return VERTEX_FORMAT_UINT2_INT;
870 if (normalized)
871 return VERTEX_FORMAT_UINT2_NORM;
872 return VERTEX_FORMAT_UINT2;
873 case 3:
874 if (pureInteger)
875 return VERTEX_FORMAT_UINT3_INT;
876 if (normalized)
877 return VERTEX_FORMAT_UINT3_NORM;
878 return VERTEX_FORMAT_UINT3;
879 case 4:
880 if (pureInteger)
881 return VERTEX_FORMAT_UINT4_INT;
882 if (normalized)
883 return VERTEX_FORMAT_UINT4_NORM;
884 return VERTEX_FORMAT_UINT4;
885 default:
886 UNREACHABLE();
887 break;
888 }
889 case GL_FLOAT:
890 switch (components)
891 {
892 case 1:
893 return VERTEX_FORMAT_FLOAT1;
894 case 2:
895 return VERTEX_FORMAT_FLOAT2;
896 case 3:
897 return VERTEX_FORMAT_FLOAT3;
898 case 4:
899 return VERTEX_FORMAT_FLOAT4;
900 default:
901 UNREACHABLE();
902 break;
903 }
904 case GL_HALF_FLOAT:
905 switch (components)
906 {
907 case 1:
908 return VERTEX_FORMAT_HALF1;
909 case 2:
910 return VERTEX_FORMAT_HALF2;
911 case 3:
912 return VERTEX_FORMAT_HALF3;
913 case 4:
914 return VERTEX_FORMAT_HALF4;
915 default:
916 UNREACHABLE();
917 break;
918 }
919 case GL_FIXED:
920 switch (components)
921 {
922 case 1:
923 return VERTEX_FORMAT_FIXED1;
924 case 2:
925 return VERTEX_FORMAT_FIXED2;
926 case 3:
927 return VERTEX_FORMAT_FIXED3;
928 case 4:
929 return VERTEX_FORMAT_FIXED4;
930 default:
931 UNREACHABLE();
932 break;
933 }
934 case GL_INT_2_10_10_10_REV:
935 if (pureInteger)
936 return VERTEX_FORMAT_SINT210_INT;
937 if (normalized)
938 return VERTEX_FORMAT_SINT210_NORM;
939 return VERTEX_FORMAT_SINT210;
940 case GL_UNSIGNED_INT_2_10_10_10_REV:
941 if (pureInteger)
942 return VERTEX_FORMAT_UINT210_INT;
943 if (normalized)
944 return VERTEX_FORMAT_UINT210_NORM;
945 return VERTEX_FORMAT_UINT210;
946 default:
947 UNREACHABLE();
948 break;
949 }
950 return VERTEX_FORMAT_UBYTE1;
951}
952
953VertexFormatType GetVertexFormatType(const VertexAttribute &attrib)
954{
955 return GetVertexFormatType(attrib.type, attrib.normalized, attrib.size, attrib.pureInteger);
956}
957
958VertexFormatType GetVertexFormatType(const VertexAttribute &attrib, GLenum currentValueType)
959{
960 if (!attrib.enabled)
961 {
962 return GetVertexFormatType(currentValueType, GL_FALSE, 4, (currentValueType != GL_FLOAT));
963 }
964 return GetVertexFormatType(attrib);
965}
966
967const VertexFormat &GetVertexFormatFromType(VertexFormatType vertexFormatType)
968{
969 switch (vertexFormatType)
970 {
971 case VERTEX_FORMAT_SBYTE1:
972 {
973 static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false);
974 return format;
975 }
976 case VERTEX_FORMAT_SBYTE1_NORM:
977 {
978 static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false);
979 return format;
980 }
981 case VERTEX_FORMAT_SBYTE2:
982 {
983 static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false);
984 return format;
985 }
986 case VERTEX_FORMAT_SBYTE2_NORM:
987 {
988 static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false);
989 return format;
990 }
991 case VERTEX_FORMAT_SBYTE3:
992 {
993 static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false);
994 return format;
995 }
996 case VERTEX_FORMAT_SBYTE3_NORM:
997 {
998 static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false);
999 return format;
1000 }
1001 case VERTEX_FORMAT_SBYTE4:
1002 {
1003 static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false);
1004 return format;
1005 }
1006 case VERTEX_FORMAT_SBYTE4_NORM:
1007 {
1008 static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false);
1009 return format;
1010 }
1011 case VERTEX_FORMAT_UBYTE1:
1012 {
1013 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false);
1014 return format;
1015 }
1016 case VERTEX_FORMAT_UBYTE1_NORM:
1017 {
1018 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false);
1019 return format;
1020 }
1021 case VERTEX_FORMAT_UBYTE2:
1022 {
1023 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false);
1024 return format;
1025 }
1026 case VERTEX_FORMAT_UBYTE2_NORM:
1027 {
1028 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false);
1029 return format;
1030 }
1031 case VERTEX_FORMAT_UBYTE3:
1032 {
1033 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false);
1034 return format;
1035 }
1036 case VERTEX_FORMAT_UBYTE3_NORM:
1037 {
1038 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false);
1039 return format;
1040 }
1041 case VERTEX_FORMAT_UBYTE4:
1042 {
1043 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false);
1044 return format;
1045 }
1046 case VERTEX_FORMAT_UBYTE4_NORM:
1047 {
1048 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false);
1049 return format;
1050 }
1051 case VERTEX_FORMAT_SSHORT1:
1052 {
1053 static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false);
1054 return format;
1055 }
1056 case VERTEX_FORMAT_SSHORT1_NORM:
1057 {
1058 static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false);
1059 return format;
1060 }
1061 case VERTEX_FORMAT_SSHORT2:
1062 {
1063 static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false);
1064 return format;
1065 }
1066 case VERTEX_FORMAT_SSHORT2_NORM:
1067 {
1068 static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false);
1069 return format;
1070 }
1071 case VERTEX_FORMAT_SSHORT3:
1072 {
1073 static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false);
1074 return format;
1075 }
1076 case VERTEX_FORMAT_SSHORT3_NORM:
1077 {
1078 static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false);
1079 return format;
1080 }
1081 case VERTEX_FORMAT_SSHORT4:
1082 {
1083 static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false);
1084 return format;
1085 }
1086 case VERTEX_FORMAT_SSHORT4_NORM:
1087 {
1088 static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false);
1089 return format;
1090 }
1091 case VERTEX_FORMAT_USHORT1:
1092 {
1093 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false);
1094 return format;
1095 }
1096 case VERTEX_FORMAT_USHORT1_NORM:
1097 {
1098 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false);
1099 return format;
1100 }
1101 case VERTEX_FORMAT_USHORT2:
1102 {
1103 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false);
1104 return format;
1105 }
1106 case VERTEX_FORMAT_USHORT2_NORM:
1107 {
1108 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false);
1109 return format;
1110 }
1111 case VERTEX_FORMAT_USHORT3:
1112 {
1113 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false);
1114 return format;
1115 }
1116 case VERTEX_FORMAT_USHORT3_NORM:
1117 {
1118 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false);
1119 return format;
1120 }
1121 case VERTEX_FORMAT_USHORT4:
1122 {
1123 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false);
1124 return format;
1125 }
1126 case VERTEX_FORMAT_USHORT4_NORM:
1127 {
1128 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false);
1129 return format;
1130 }
1131 case VERTEX_FORMAT_SINT1:
1132 {
1133 static const VertexFormat format(GL_INT, GL_FALSE, 1, false);
1134 return format;
1135 }
1136 case VERTEX_FORMAT_SINT1_NORM:
1137 {
1138 static const VertexFormat format(GL_INT, GL_TRUE, 1, false);
1139 return format;
1140 }
1141 case VERTEX_FORMAT_SINT2:
1142 {
1143 static const VertexFormat format(GL_INT, GL_FALSE, 2, false);
1144 return format;
1145 }
1146 case VERTEX_FORMAT_SINT2_NORM:
1147 {
1148 static const VertexFormat format(GL_INT, GL_TRUE, 2, false);
1149 return format;
1150 }
1151 case VERTEX_FORMAT_SINT3:
1152 {
1153 static const VertexFormat format(GL_INT, GL_FALSE, 3, false);
1154 return format;
1155 }
1156 case VERTEX_FORMAT_SINT3_NORM:
1157 {
1158 static const VertexFormat format(GL_INT, GL_TRUE, 3, false);
1159 return format;
1160 }
1161 case VERTEX_FORMAT_SINT4:
1162 {
1163 static const VertexFormat format(GL_INT, GL_FALSE, 4, false);
1164 return format;
1165 }
1166 case VERTEX_FORMAT_SINT4_NORM:
1167 {
1168 static const VertexFormat format(GL_INT, GL_TRUE, 4, false);
1169 return format;
1170 }
1171 case VERTEX_FORMAT_UINT1:
1172 {
1173 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false);
1174 return format;
1175 }
1176 case VERTEX_FORMAT_UINT1_NORM:
1177 {
1178 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false);
1179 return format;
1180 }
1181 case VERTEX_FORMAT_UINT2:
1182 {
1183 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false);
1184 return format;
1185 }
1186 case VERTEX_FORMAT_UINT2_NORM:
1187 {
1188 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false);
1189 return format;
1190 }
1191 case VERTEX_FORMAT_UINT3:
1192 {
1193 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false);
1194 return format;
1195 }
1196 case VERTEX_FORMAT_UINT3_NORM:
1197 {
1198 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false);
1199 return format;
1200 }
1201 case VERTEX_FORMAT_UINT4:
1202 {
1203 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false);
1204 return format;
1205 }
1206 case VERTEX_FORMAT_UINT4_NORM:
1207 {
1208 static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false);
1209 return format;
1210 }
1211 case VERTEX_FORMAT_SBYTE1_INT:
1212 {
1213 static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true);
1214 return format;
1215 }
1216 case VERTEX_FORMAT_SBYTE2_INT:
1217 {
1218 static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true);
1219 return format;
1220 }
1221 case VERTEX_FORMAT_SBYTE3_INT:
1222 {
1223 static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true);
1224 return format;
1225 }
1226 case VERTEX_FORMAT_SBYTE4_INT:
1227 {
1228 static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true);
1229 return format;
1230 }
1231 case VERTEX_FORMAT_UBYTE1_INT:
1232 {
1233 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true);
1234 return format;
1235 }
1236 case VERTEX_FORMAT_UBYTE2_INT:
1237 {
1238 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true);
1239 return format;
1240 }
1241 case VERTEX_FORMAT_UBYTE3_INT:
1242 {
1243 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true);
1244 return format;
1245 }
1246 case VERTEX_FORMAT_UBYTE4_INT:
1247 {
1248 static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true);
1249 return format;
1250 }
1251 case VERTEX_FORMAT_SSHORT1_INT:
1252 {
1253 static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true);
1254 return format;
1255 }
1256 case VERTEX_FORMAT_SSHORT2_INT:
1257 {
1258 static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true);
1259 return format;
1260 }
1261 case VERTEX_FORMAT_SSHORT3_INT:
1262 {
1263 static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true);
1264 return format;
1265 }
1266 case VERTEX_FORMAT_SSHORT4_INT:
1267 {
1268 static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true);
1269 return format;
1270 }
1271 case VERTEX_FORMAT_USHORT1_INT:
1272 {
1273 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true);
1274 return format;
1275 }
1276 case VERTEX_FORMAT_USHORT2_INT:
1277 {
1278 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true);
1279 return format;
1280 }
1281 case VERTEX_FORMAT_USHORT3_INT:
1282 {
1283 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true);
1284 return format;
1285 }
1286 case VERTEX_FORMAT_USHORT4_INT:
1287 {
1288 static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true);
1289 return format;
1290 }
1291 case VERTEX_FORMAT_SINT1_INT:
1292 {
1293 static const VertexFormat format(GL_INT, GL_FALSE, 1, true);
1294 return format;
1295 }
1296 case VERTEX_FORMAT_SINT2_INT:
1297 {
1298 static const VertexFormat format(GL_INT, GL_FALSE, 2, true);
1299 return format;
1300 }
1301 case VERTEX_FORMAT_SINT3_INT:
1302 {
1303 static const VertexFormat format(GL_INT, GL_FALSE, 3, true);
1304 return format;
1305 }
1306 case VERTEX_FORMAT_SINT4_INT:
1307 {
1308 static const VertexFormat format(GL_INT, GL_FALSE, 4, true);
1309 return format;
1310 }
1311 case VERTEX_FORMAT_UINT1_INT:
1312 {
1313 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true);
1314 return format;
1315 }
1316 case VERTEX_FORMAT_UINT2_INT:
1317 {
1318 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true);
1319 return format;
1320 }
1321 case VERTEX_FORMAT_UINT3_INT:
1322 {
1323 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true);
1324 return format;
1325 }
1326 case VERTEX_FORMAT_UINT4_INT:
1327 {
1328 static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true);
1329 return format;
1330 }
1331 case VERTEX_FORMAT_FIXED1:
1332 {
1333 static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false);
1334 return format;
1335 }
1336 case VERTEX_FORMAT_FIXED2:
1337 {
1338 static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false);
1339 return format;
1340 }
1341 case VERTEX_FORMAT_FIXED3:
1342 {
1343 static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false);
1344 return format;
1345 }
1346 case VERTEX_FORMAT_FIXED4:
1347 {
1348 static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false);
1349 return format;
1350 }
1351 case VERTEX_FORMAT_HALF1:
1352 {
1353 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false);
1354 return format;
1355 }
1356 case VERTEX_FORMAT_HALF2:
1357 {
1358 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false);
1359 return format;
1360 }
1361 case VERTEX_FORMAT_HALF3:
1362 {
1363 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false);
1364 return format;
1365 }
1366 case VERTEX_FORMAT_HALF4:
1367 {
1368 static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false);
1369 return format;
1370 }
1371 case VERTEX_FORMAT_FLOAT1:
1372 {
1373 static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false);
1374 return format;
1375 }
1376 case VERTEX_FORMAT_FLOAT2:
1377 {
1378 static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false);
1379 return format;
1380 }
1381 case VERTEX_FORMAT_FLOAT3:
1382 {
1383 static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false);
1384 return format;
1385 }
1386 case VERTEX_FORMAT_FLOAT4:
1387 {
1388 static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false);
1389 return format;
1390 }
1391 case VERTEX_FORMAT_SINT210:
1392 {
1393 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false);
1394 return format;
1395 }
1396 case VERTEX_FORMAT_UINT210:
1397 {
1398 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false);
1399 return format;
1400 }
1401 case VERTEX_FORMAT_SINT210_NORM:
1402 {
1403 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false);
1404 return format;
1405 }
1406 case VERTEX_FORMAT_UINT210_NORM:
1407 {
1408 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false);
1409 return format;
1410 }
1411 case VERTEX_FORMAT_SINT210_INT:
1412 {
1413 static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true);
1414 return format;
1415 }
1416 case VERTEX_FORMAT_UINT210_INT:
1417 {
1418 static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true);
1419 return format;
1420 }
1421 default:
1422 {
1423 static const VertexFormat format(GL_NONE, GL_FALSE, 0, false);
1424 return format;
1425 }
1426 }
1427}
1428
1429VertexFormat::VertexFormat(GLenum typeIn, GLboolean normalizedIn, GLuint componentsIn, bool pureIntegerIn)
1430 : type(typeIn),
1431 normalized(normalizedIn),
1432 components(componentsIn),
1433 pureInteger(pureIntegerIn)
1434{
1435 // float -> !normalized
1436 ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) || normalized == GL_FALSE);
1437}
1438
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1439}