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gerrit-public.fairphone.software / platform / external / angle / a43d829fabc8a251d6695922966ad25320e4c99f / . / src / libGLESv2 / renderer / formatutils11.cpp
blob: cf9dbf29c36e701e10b33f6c9ede3de369bf869f [file] [log] [blame]
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]1#include "precompiled.h"
2//
3// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style license that can be
5// found in the LICENSE file.
6//
7
8// formatutils11.cpp: Queries for GL image formats and their translations to D3D11
9// formats.
10
11#include "libGLESv2/renderer/formatutils11.h"
12#include "libGLESv2/renderer/generatemip.h"
13#include "libGLESv2/renderer/loadimage.h"
14
15namespace rx
16{
17
18struct D3D11ES3FormatInfo
19{
20 DXGI_FORMAT mTexFormat;
21 DXGI_FORMAT mSRVFormat;
22 DXGI_FORMAT mRTVFormat;
23 DXGI_FORMAT mDSVFormat;
24
25 D3D11ES3FormatInfo()
26 : mTexFormat(DXGI_FORMAT_UNKNOWN), mDSVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN), mSRVFormat(DXGI_FORMAT_UNKNOWN)
27 { }
28
29 D3D11ES3FormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat)
30 : mTexFormat(texFormat), mDSVFormat(dsvFormat), mRTVFormat(rtvFormat), mSRVFormat(srvFormat)
31 { }
32};
33
34// For sized GL internal formats, there is only one corresponding D3D11 format. This map type allows
35// querying for the DXGI texture formats to use for textures, SRVs, RTVs and DSVs given a GL internal
36// format.
37typedef std::pair<GLint, D3D11ES3FormatInfo> D3D11ES3FormatPair;
38typedef std::map<GLint, D3D11ES3FormatInfo> D3D11ES3FormatMap;
39
40static D3D11ES3FormatMap buildD3D11ES3FormatMap()
41{
42 D3D11ES3FormatMap map;
43
44 // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format |
45 map.insert(D3D11ES3FormatPair(GL_NONE, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]46 map.insert(D3D11ES3FormatPair(GL_R8, D3D11ES3FormatInfo(DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]47 map.insert(D3D11ES3FormatPair(GL_R8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]48 map.insert(D3D11ES3FormatPair(GL_RG8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]49 map.insert(D3D11ES3FormatPair(GL_RG8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
50 map.insert(D3D11ES3FormatPair(GL_RGB8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
51 map.insert(D3D11ES3FormatPair(GL_RGB8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
52 map.insert(D3D11ES3FormatPair(GL_RGB565, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
53 map.insert(D3D11ES3FormatPair(GL_RGBA4, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
54 map.insert(D3D11ES3FormatPair(GL_RGB5_A1, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
55 map.insert(D3D11ES3FormatPair(GL_RGBA8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
56 map.insert(D3D11ES3FormatPair(GL_RGBA8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.org5d4468e2013-05-30 00:13:56 +0000[diff] [blame]57 map.insert(D3D11ES3FormatPair(GL_RGB10_A2, D3D11ES3FormatInfo(DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]58 map.insert(D3D11ES3FormatPair(GL_RGB10_A2UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
59 map.insert(D3D11ES3FormatPair(GL_SRGB8, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
60 map.insert(D3D11ES3FormatPair(GL_SRGB8_ALPHA8, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]61 map.insert(D3D11ES3FormatPair(GL_R16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_UNKNOWN)));
62 map.insert(D3D11ES3FormatPair(GL_RG16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]63 map.insert(D3D11ES3FormatPair(GL_RGB16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN)));
64 map.insert(D3D11ES3FormatPair(GL_RGBA16F, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]65 map.insert(D3D11ES3FormatPair(GL_R32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN)));
66 map.insert(D3D11ES3FormatPair(GL_RG32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]67 map.insert(D3D11ES3FormatPair(GL_RGB32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN)));
68 map.insert(D3D11ES3FormatPair(GL_RGBA32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orga43d8292013-05-30 00:15:50 +0000[diff] [blame^]69 map.insert(D3D11ES3FormatPair(GL_R11F_G11F_B10F, D3D11ES3FormatInfo(DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.org92b9cd52013-05-30 00:14:48 +0000[diff] [blame]70 map.insert(D3D11ES3FormatPair(GL_RGB9_E5, D3D11ES3FormatInfo(DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]71 map.insert(D3D11ES3FormatPair(GL_R8I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
72 map.insert(D3D11ES3FormatPair(GL_R8UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
73 map.insert(D3D11ES3FormatPair(GL_R16I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
74 map.insert(D3D11ES3FormatPair(GL_R16UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
75 map.insert(D3D11ES3FormatPair(GL_R32I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
76 map.insert(D3D11ES3FormatPair(GL_R32UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
77 map.insert(D3D11ES3FormatPair(GL_RG8I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
78 map.insert(D3D11ES3FormatPair(GL_RG8UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
79 map.insert(D3D11ES3FormatPair(GL_RG16I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
80 map.insert(D3D11ES3FormatPair(GL_RG16UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
81 map.insert(D3D11ES3FormatPair(GL_RG32I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
82 map.insert(D3D11ES3FormatPair(GL_RG32UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
83 map.insert(D3D11ES3FormatPair(GL_RGB8I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
84 map.insert(D3D11ES3FormatPair(GL_RGB8UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
85 map.insert(D3D11ES3FormatPair(GL_RGB16I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
86 map.insert(D3D11ES3FormatPair(GL_RGB16UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
87 map.insert(D3D11ES3FormatPair(GL_RGB32I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
88 map.insert(D3D11ES3FormatPair(GL_RGB32UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
89 map.insert(D3D11ES3FormatPair(GL_RGBA8I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
90 map.insert(D3D11ES3FormatPair(GL_RGBA8UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
91 map.insert(D3D11ES3FormatPair(GL_RGBA16I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
92 map.insert(D3D11ES3FormatPair(GL_RGBA16UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
93 map.insert(D3D11ES3FormatPair(GL_RGBA32I, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
94 map.insert(D3D11ES3FormatPair(GL_RGBA32UI, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
95
96 // Unsized formats, TODO: Are types of float and half float allowed for the unsized types? Would it change the DXGI format?
97 map.insert(D3D11ES3FormatPair(GL_ALPHA, D3D11ES3FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
98 map.insert(D3D11ES3FormatPair(GL_LUMINANCE, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
99 map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
100 map.insert(D3D11ES3FormatPair(GL_RGB, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
101 map.insert(D3D11ES3FormatPair(GL_RGBA, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
102 map.insert(D3D11ES3FormatPair(GL_BGRA_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN)));
103
104 // From GL_EXT_texture_storage
105 // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format |
106 map.insert(D3D11ES3FormatPair(GL_ALPHA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
107 map.insert(D3D11ES3FormatPair(GL_LUMINANCE8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
108 map.insert(D3D11ES3FormatPair(GL_ALPHA32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
109 map.insert(D3D11ES3FormatPair(GL_LUMINANCE32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
110 map.insert(D3D11ES3FormatPair(GL_ALPHA16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
111 map.insert(D3D11ES3FormatPair(GL_LUMINANCE16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
112 map.insert(D3D11ES3FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
113 map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
114 map.insert(D3D11ES3FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN )));
115 map.insert(D3D11ES3FormatPair(GL_BGRA8_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN )));
116 map.insert(D3D11ES3FormatPair(GL_BGRA4_ANGLEX, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN )));
117 map.insert(D3D11ES3FormatPair(GL_BGR5_A1_ANGLEX, D3D11ES3FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN )));
118
119 // Depth stencil formats
120 map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT16, D3D11ES3FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM )));
121 map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT24, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT )));
122 map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT32F, D3D11ES3FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT )));
123 map.insert(D3D11ES3FormatPair(GL_DEPTH24_STENCIL8, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT )));
124 map.insert(D3D11ES3FormatPair(GL_DEPTH32F_STENCIL8, D3D11ES3FormatInfo(DXGI_FORMAT_R32G8X24_TYPELESS, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT_S8X24_UINT )));
125
126 // From GL_ANGLE_depth_texture
127 map.insert(D3D11ES3FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES3FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT )));
128
129 // Compressed formats, From ES 3.0.1 spec, table 3.16
130 // | GL internal format | | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format |
131 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_R11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
132 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SIGNED_R11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
133 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RG11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
134 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SIGNED_RG11_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
135 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB8_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
136 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
137 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
138 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
139 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA8_ETC2_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
140 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
141
142 // From GL_EXT_texture_compression_dxt1
143 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
144 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3D11ES3FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
145
146 // From GL_ANGLE_texture_compression_dxt3
147 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3D11ES3FormatInfo(DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
148
149 // From GL_ANGLE_texture_compression_dxt5
150 map.insert(D3D11ES3FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, D3D11ES3FormatInfo(DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
151
152 return map;
153}
154
155static bool getD3D11ES3FormatInfo(GLint internalFormat, GLuint clientVersion, D3D11ES3FormatInfo *outFormatInfo)
156{
157 static const D3D11ES3FormatMap formatMap = buildD3D11ES3FormatMap();
158 D3D11ES3FormatMap::const_iterator iter = formatMap.find(internalFormat);
159 if (iter != formatMap.end())
160 {
161 if (outFormatInfo)
162 {
163 *outFormatInfo = iter->second;
164 }
165 return true;
166 }
167 else
168 {
169 return false;
170 }
171}
172
173// ES3 image loading functions vary based on the internal format and data type given,
174// this map type determines the loading function from the internal format and type supplied
shannonwoods@chromium.org5d4468e2013-05-30 00:13:56 +0000[diff] [blame]175// to glTex*Image*D and the destination DXGI_FORMAT. Source formats and types are taken from
176// Tables 3.2 and 3.3 of the ES 3 spec.
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]177typedef std::pair<GLint, GLenum> InternalFormatTypePair;
178typedef std::pair<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionPair;
179typedef std::map<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionMap;
180
181static void UnimplementedLoadFunction(int width, int height, int depth,
182 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
183 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
184{
185 UNIMPLEMENTED();
186}
187
188// A helper function to insert data into the D3D11LoadFunctionMap with fewer characters.
189static inline void insertLoadFunction(D3D11LoadFunctionMap *map, GLint internalFormat, GLenum type,
190 LoadImageFunction loadFunc)
191{
192 map->insert(D3D11LoadFunctionPair(InternalFormatTypePair(internalFormat, type), loadFunc));
193}
194
195D3D11LoadFunctionMap buildD3D11LoadFunctionMap()
196{
197 D3D11LoadFunctionMap map;
198
199 // | Internal format | Type | Load function |
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]200 insertLoadFunction(&map, GL_RGBA8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]201 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
202 insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]203 insertLoadFunction(&map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]204 insertLoadFunction(&map, GL_RGBA8_SNORM, GL_BYTE, UnimplementedLoadFunction );
205 insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, loadRGBA4444DataToRGBA );
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]206 insertLoadFunction(&map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV, loadToNative<GLuint, 1> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]207 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, loadRGBA5551DataToRGBA );
shannonwoods@chromium.org5d4468e2013-05-30 00:13:56 +0000[diff] [blame]208 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_INT_2_10_10_10_REV, loadRGBA2101010ToRGBA );
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]209 insertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT, loadToNative<GLhalf, 4> );
210 insertLoadFunction(&map, GL_RGBA32F, GL_FLOAT, loadToNative<GLfloat, 4> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]211 insertLoadFunction(&map, GL_RGBA16F, GL_FLOAT, UnimplementedLoadFunction );
212 insertLoadFunction(&map, GL_RGBA8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
213 insertLoadFunction(&map, GL_RGBA8I, GL_BYTE, UnimplementedLoadFunction );
214 insertLoadFunction(&map, GL_RGBA16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
215 insertLoadFunction(&map, GL_RGBA16I, GL_SHORT, UnimplementedLoadFunction );
216 insertLoadFunction(&map, GL_RGBA32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
217 insertLoadFunction(&map, GL_RGBA32I, GL_INT, UnimplementedLoadFunction );
218 insertLoadFunction(&map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV, UnimplementedLoadFunction );
219 insertLoadFunction(&map, GL_RGB8, GL_UNSIGNED_BYTE, loadRGBUByteDataToRGBA );
220 insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
221 insertLoadFunction(&map, GL_SRGB8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
222 insertLoadFunction(&map, GL_RGB8_SNORM, GL_BYTE, UnimplementedLoadFunction );
223 insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, loadRGB565DataToRGBA );
shannonwoods@chromium.orga43d8292013-05-30 00:15:50 +0000[diff] [blame^]224 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, loadToNative<GLuint, 1> );
shannonwoods@chromium.org92b9cd52013-05-30 00:14:48 +0000[diff] [blame]225 insertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, loadToNative<GLuint, 1> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]226 insertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, loadRGBHalfFloatDataToRGBA );
shannonwoods@chromium.orga43d8292013-05-30 00:15:50 +0000[diff] [blame^]227 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, loadRGBHalfFloatDataTo111110Float );
shannonwoods@chromium.org92b9cd52013-05-30 00:14:48 +0000[diff] [blame]228 insertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, loadRGBHalfFloatDataTo999E5 );
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]229 insertLoadFunction(&map, GL_RGB32F, GL_FLOAT, loadToNative<GLfloat, 3> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]230 insertLoadFunction(&map, GL_RGB16F, GL_FLOAT, UnimplementedLoadFunction );
shannonwoods@chromium.orga43d8292013-05-30 00:15:50 +0000[diff] [blame^]231 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, loadRGBFloatDataTo111110Float );
shannonwoods@chromium.org92b9cd52013-05-30 00:14:48 +0000[diff] [blame]232 insertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, loadRGBFloatDataTo999E5 );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]233 insertLoadFunction(&map, GL_RGB8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
234 insertLoadFunction(&map, GL_RGB8I, GL_BYTE, UnimplementedLoadFunction );
235 insertLoadFunction(&map, GL_RGB16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
236 insertLoadFunction(&map, GL_RGB16I, GL_SHORT, UnimplementedLoadFunction );
237 insertLoadFunction(&map, GL_RGB32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
238 insertLoadFunction(&map, GL_RGB32I, GL_INT, UnimplementedLoadFunction );
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]239 insertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 2> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]240 insertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, UnimplementedLoadFunction );
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]241 insertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, loadToNative<GLhalf, 2> );
242 insertLoadFunction(&map, GL_RG32F, GL_FLOAT, loadToNative<GLfloat, 2> );
243 insertLoadFunction(&map, GL_RG16F, GL_FLOAT, loadFloatDataToHalfFloat<2> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]244 insertLoadFunction(&map, GL_RG8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
245 insertLoadFunction(&map, GL_RG8I, GL_BYTE, UnimplementedLoadFunction );
246 insertLoadFunction(&map, GL_RG16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
247 insertLoadFunction(&map, GL_RG16I, GL_SHORT, UnimplementedLoadFunction );
248 insertLoadFunction(&map, GL_RG32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
249 insertLoadFunction(&map, GL_RG32I, GL_INT, UnimplementedLoadFunction );
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]250 insertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 1> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]251 insertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, UnimplementedLoadFunction );
shannonwoods@chromium.orga32a2ba2013-05-30 00:14:40 +0000[diff] [blame]252 insertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, loadToNative<GLhalf, 1> );
253 insertLoadFunction(&map, GL_R32F, GL_FLOAT, loadToNative<GLfloat, 1> );
254 insertLoadFunction(&map, GL_R16F, GL_FLOAT, loadFloatDataToHalfFloat<1> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]255 insertLoadFunction(&map, GL_R8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
256 insertLoadFunction(&map, GL_R8I, GL_BYTE, UnimplementedLoadFunction );
257 insertLoadFunction(&map, GL_R16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
258 insertLoadFunction(&map, GL_R16I, GL_SHORT, UnimplementedLoadFunction );
259 insertLoadFunction(&map, GL_R32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
260 insertLoadFunction(&map, GL_R32I, GL_INT, UnimplementedLoadFunction );
261 insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
262 insertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, UnimplementedLoadFunction );
263 insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_INT, UnimplementedLoadFunction );
264 insertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, UnimplementedLoadFunction );
265 insertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, UnimplementedLoadFunction );
266 insertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, UnimplementedLoadFunction );
267
268 // Unsized formats
269 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
270 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, UnimplementedLoadFunction );
271 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, UnimplementedLoadFunction );
272 insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
273 insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, UnimplementedLoadFunction );
274 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
275 insertLoadFunction(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
276 insertLoadFunction(&map, GL_ALPHA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
277
278 // From GL_OES_texture_float
279 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA );
280 insertLoadFunction(&map, GL_LUMINANCE, GL_FLOAT, loadLuminanceFloatDataToRGB );
281 insertLoadFunction(&map, GL_ALPHA, GL_FLOAT, loadAlphaFloatDataToRGBA );
282
283 // From GL_OES_texture_half_float
284 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA);
285 insertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA );
286 insertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA );
287
288 // From GL_EXT_texture_storage
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]289 insertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 1> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]290 insertLoadFunction(&map, GL_LUMINANCE8_EXT, GL_UNSIGNED_BYTE, loadLuminanceDataToBGRA );
291 insertLoadFunction(&map, GL_LUMINANCE8_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadLuminanceAlphaDataToBGRA );
292 insertLoadFunction(&map, GL_ALPHA32F_EXT, GL_FLOAT, loadAlphaFloatDataToRGBA );
293 insertLoadFunction(&map, GL_LUMINANCE32F_EXT, GL_FLOAT, loadLuminanceFloatDataToRGB );
294 insertLoadFunction(&map, GL_LUMINANCE_ALPHA32F_EXT, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA );
295 insertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA );
296 insertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA );
297 insertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA);
298
shannonwoods@chromium.org8d46e912013-05-30 00:14:32 +0000[diff] [blame]299 insertLoadFunction(&map, GL_BGRA8_EXT, GL_UNSIGNED_BYTE, loadToNative<GLubyte, 4> );
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]300 insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, loadRGBA4444DataToRGBA );
301 insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
302 insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, loadRGBA5551DataToRGBA );
303 insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
304
305 // Compressed formats
306 // From ES 3.0.1 spec, table 3.16
307 // | Internal format | Type | Load function |
308 insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
309 insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
310 insertLoadFunction(&map, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
311 insertLoadFunction(&map, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
312 insertLoadFunction(&map, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
313 insertLoadFunction(&map, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
314 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
315 insertLoadFunction(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
316 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
317 insertLoadFunction(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
318 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
319
320 // From GL_EXT_texture_compression_dxt1
321 insertLoadFunction(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>);
322 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>);
323
324 // From GL_ANGLE_texture_compression_dxt3
325 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>);
326
327 // From GL_ANGLE_texture_compression_dxt5
328 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>);
329
330 return map;
331}
332
333struct D3D11ES2FormatInfo
334{
335 DXGI_FORMAT mTexFormat;
336 DXGI_FORMAT mSRVFormat;
337 DXGI_FORMAT mRTVFormat;
338 DXGI_FORMAT mDSVFormat;
339
340 LoadImageFunction mLoadImageFunction;
341
342 D3D11ES2FormatInfo()
343 : mTexFormat(DXGI_FORMAT_UNKNOWN), mDSVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN),
344 mSRVFormat(DXGI_FORMAT_UNKNOWN), mLoadImageFunction(NULL)
345 { }
346
347 D3D11ES2FormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat,
348 LoadImageFunction loadFunc)
349 : mTexFormat(texFormat), mDSVFormat(dsvFormat), mRTVFormat(rtvFormat), mSRVFormat(srvFormat),
350 mLoadImageFunction(loadFunc)
351 { }
352};
353
354// ES2 internal formats can map to DXGI formats and loading functions
355typedef std::pair<GLint, D3D11ES2FormatInfo> D3D11ES2FormatPair;
356typedef std::map<GLint, D3D11ES2FormatInfo> D3D11ES2FormatMap;
357
358static D3D11ES2FormatMap buildD3D11ES2FormatMap()
359{
360 D3D11ES2FormatMap map;
361
362 // | Internal format | | Texture format | SRV format | RTV format | DSV format | Load function |
363 map.insert(D3D11ES2FormatPair(GL_NONE, D3D11ES2FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, NULL )));
364 map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT16, D3D11ES2FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM, NULL )));
365 map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT, NULL )));
366 map.insert(D3D11ES2FormatPair(GL_DEPTH24_STENCIL8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, NULL )));
367 map.insert(D3D11ES2FormatPair(GL_STENCIL_INDEX8, D3D11ES2FormatInfo(DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_X24_TYPELESS_G8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT, NULL )));
368
369 map.insert(D3D11ES2FormatPair(GL_RGBA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAFloatDataToRGBA )));
370 map.insert(D3D11ES2FormatPair(GL_RGB32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBFloatDataToNative )));
371 map.insert(D3D11ES2FormatPair(GL_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaFloatDataToRGBA )));
372 map.insert(D3D11ES2FormatPair(GL_LUMINANCE32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceFloatDataToRGB )));
373 map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaFloatDataToRGBA )));
374
375 map.insert(D3D11ES2FormatPair(GL_RGBA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAHalfFloatDataToRGBA )));
376 map.insert(D3D11ES2FormatPair(GL_RGB16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBHalfFloatDataToRGBA )));
377 map.insert(D3D11ES2FormatPair(GL_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaHalfFloatDataToRGBA )));
378 map.insert(D3D11ES2FormatPair(GL_LUMINANCE16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceHalfFloatDataToRGBA )));
379 map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaHalfFloatDataToRGBA )));
380
381 map.insert(D3D11ES2FormatPair(GL_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN, loadAlphaDataToNative )));
382 map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceDataToBGRA )));
383 map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaDataToBGRA )));
384
385 map.insert(D3D11ES2FormatPair(GL_RGB8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBUByteDataToRGBA )));
386 map.insert(D3D11ES2FormatPair(GL_RGB565, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGB565DataToRGBA )));
387 map.insert(D3D11ES2FormatPair(GL_RGBA8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBAUByteDataToNative )));
388 map.insert(D3D11ES2FormatPair(GL_RGBA4, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA )));
389 map.insert(D3D11ES2FormatPair(GL_RGB5_A1, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA )));
390 map.insert(D3D11ES2FormatPair(GL_BGRA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadBGRADataToBGRA )));
391 map.insert(D3D11ES2FormatPair(GL_BGRA4_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA )));
392 map.insert(D3D11ES2FormatPair(GL_BGR5_A1_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA )));
393
394 map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 8>)));
395 map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 8>)));
396 map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3D11ES2FormatInfo(DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 16>)));
397 map.insert(D3D11ES2FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, D3D11ES2FormatInfo(DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, loadCompressedBlockDataToNative<4, 4, 16>)));
398
399 return map;
400}
401
402static bool getD3D11ES2FormatInfo(GLint internalFormat, GLuint clientVersion, D3D11ES2FormatInfo *outFormatInfo)
403{
404 static const D3D11ES2FormatMap formatMap = buildD3D11ES2FormatMap();
405 D3D11ES2FormatMap::const_iterator iter = formatMap.find(internalFormat);
406 if (iter != formatMap.end())
407 {
408 if (outFormatInfo)
409 {
410 *outFormatInfo = iter->second;
411 }
412 return true;
413 }
414 else
415 {
416 return false;
417 }
418}
419
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]420// A map to determine the pixel size and mipmap generation function of a given DXGI format
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]421struct DXGIFormatInfo
422{
423 GLuint mPixelBits;
424 GLuint mBlockWidth;
425 GLuint mBlockHeight;
426 GLint mInternalFormat;
427
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]428 MipGenerationFunction mMipGenerationFunction;
429
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]430 DXGIFormatInfo()
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]431 : mPixelBits(0), mBlockWidth(0), mBlockHeight(0), mInternalFormat(GL_NONE), mMipGenerationFunction(NULL)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]432 { }
433
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]434 DXGIFormatInfo(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, GLint internalFormat,
435 MipGenerationFunction mipFunc)
436 : mPixelBits(pixelBits), mBlockWidth(blockWidth), mBlockHeight(blockHeight), mInternalFormat(internalFormat),
437 mMipGenerationFunction(mipFunc)
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]438 { }
439};
440
441typedef std::pair<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoPair;
442typedef std::map<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoMap;
443
444static DXGIFormatInfoMap buildDXGIFormatInfoMap()
445{
446 DXGIFormatInfoMap map;
447
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]448 // | DXGI format | S |W |H | Internal format | Mip generation function |
449 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_UNKNOWN, DXGIFormatInfo( 0, 0, 0, GL_NONE, NULL )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]450
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]451 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_A8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_ALPHA8_EXT, GenerateMip<A8> )));
452 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_R8, GenerateMip<R8> )));
453 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_UNORM, DXGIFormatInfo( 16, 1, 1, GL_RG8, GenerateMip<R8G8> )));
454 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGBA8, GenerateMip<R8G8B8A8> )));
455 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGIFormatInfo( 32, 1, 1, GL_SRGB8_ALPHA8, NULL )));
456 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_B8G8R8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_BGRA8_EXT, GenerateMip<B8G8R8A8> )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]457
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]458 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R10G10B10A2_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGB10_A2, GenerateMip<R10G10B10A2> )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]459
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]460 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_FLOAT, DXGIFormatInfo( 16, 1, 1, GL_R16F, GenerateMip<R16F> )));
461 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_RG16F, GenerateMip<R16G16F> )));
462 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16F, GenerateMip<R16G16B16A16F>)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]463
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]464 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R32F, GenerateMip<R32F> )));
465 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RG32F, GenerateMip<R32G32F> )));
466 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_FLOAT, DXGIFormatInfo( 96, 1, 1, GL_RGB32F, GenerateMip<R32G32B32F> )));
467 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGIFormatInfo(128, 1, 1, GL_RGBA32F, GenerateMip<R32G32B32A32F>)));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]468
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]469 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGIFormatInfo( 32, 1, 1, GL_RGB9_E5, GenerateMip<R9G9B9E5> )));
shannonwoods@chromium.orga43d8292013-05-30 00:15:50 +0000[diff] [blame^]470 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R11G11B10_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R11F_G11F_B10F, GenerateMip<R11G11B10F> )));
shannonwoods@chromium.org92b9cd52013-05-30 00:14:48 +0000[diff] [blame]471
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]472 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_TYPELESS, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16, NULL )));
473 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D16_UNORM, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16, NULL )));
474 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES, NULL )));
475 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES, NULL )));
476 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R24G8_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL )));
477 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D24_UNORM_S8_UINT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]478
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]479 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC1_UNORM, DXGIFormatInfo( 64, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, NULL )));
480 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC2_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, NULL )));
481 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC3_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, NULL )));
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]482
483 return map;
484}
485
486static bool getDXGIFormatInfo(DXGI_FORMAT format, DXGIFormatInfo *outFormatInfo)
487{
488 static const DXGIFormatInfoMap infoMap = buildDXGIFormatInfoMap();
489 DXGIFormatInfoMap::const_iterator iter = infoMap.find(format);
490 if (iter != infoMap.end())
491 {
492 if (outFormatInfo)
493 {
494 *outFormatInfo = iter->second;
495 }
496 return true;
497 }
498 else
499 {
500 return false;
501 }
502}
503
504namespace d3d11
505{
506
507MipGenerationFunction GetMipGenerationFunction(DXGI_FORMAT format)
508{
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]509 DXGIFormatInfo formatInfo;
510 if (getDXGIFormatInfo(format, &formatInfo))
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]511 {
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]512 return formatInfo.mMipGenerationFunction;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]513 }
514 else
515 {
516 UNREACHABLE();
517 return NULL;
518 }
519}
520
521LoadImageFunction GetImageLoadFunction(GLint internalFormat, GLenum type, GLuint clientVersion)
522{
523 if (clientVersion == 2)
524 {
525 D3D11ES2FormatInfo d3d11FormatInfo;
526 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
527 {
528 return d3d11FormatInfo.mLoadImageFunction;
529 }
530 else
531 {
532 UNREACHABLE();
533 return NULL;
534 }
535 }
536 else if (clientVersion == 3)
537 {
538 static const D3D11LoadFunctionMap loadImageMap = buildD3D11LoadFunctionMap();
539 D3D11LoadFunctionMap::const_iterator iter = loadImageMap.find(InternalFormatTypePair(internalFormat, type));
540 if (iter != loadImageMap.end())
541 {
542 return iter->second;
543 }
544 else
545 {
546 UNREACHABLE();
547 return NULL;
548 }
549 }
550 else
551 {
552 UNREACHABLE();
553 return NULL;
554 }
555}
556
557GLuint GetFormatPixelBytes(DXGI_FORMAT format)
558{
559 DXGIFormatInfo dxgiFormatInfo;
560 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
561 {
562 return dxgiFormatInfo.mPixelBits / 8;
563 }
564 else
565 {
566 UNREACHABLE();
567 return 0;
568 }
569}
570
571GLuint GetBlockWidth(DXGI_FORMAT format)
572{
573 DXGIFormatInfo dxgiFormatInfo;
574 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
575 {
576 return dxgiFormatInfo.mBlockWidth;
577 }
578 else
579 {
580 UNREACHABLE();
581 return 0;
582 }
583}
584
585GLuint GetBlockHeight(DXGI_FORMAT format)
586{
587 DXGIFormatInfo dxgiFormatInfo;
588 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
589 {
590 return dxgiFormatInfo.mBlockHeight;
591 }
592 else
593 {
594 UNREACHABLE();
595 return 0;
596 }
597}
598
599void MakeValidSize(bool isImage, DXGI_FORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset)
600{
601 DXGIFormatInfo dxgiFormatInfo;
602 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
603 {
604 int upsampleCount = 0;
605
606 GLsizei blockWidth = dxgiFormatInfo.mBlockWidth;
607 GLsizei blockHeight = dxgiFormatInfo.mBlockHeight;
608
609 // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
610 if (isImage || *requestWidth < blockWidth || *requestHeight < blockHeight)
611 {
612 while (*requestWidth % blockWidth != 0 || *requestHeight % blockHeight != 0)
613 {
614 *requestWidth <<= 1;
615 *requestHeight <<= 1;
616 upsampleCount++;
617 }
618 }
619 *levelOffset = upsampleCount;
620 }
621 else
622 {
623 UNREACHABLE();
624 }
625}
626
627}
628
629namespace gl_d3d11
630{
631
632DXGI_FORMAT GetTexFormat(GLint internalFormat, GLuint clientVersion)
633{
634 if (clientVersion == 2)
635 {
636 D3D11ES2FormatInfo d3d11FormatInfo;
637 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
638 {
639 return d3d11FormatInfo.mTexFormat;
640 }
641 else
642 {
643 UNREACHABLE();
644 return DXGI_FORMAT_UNKNOWN;
645 }
646 }
647 else if (clientVersion == 3)
648 {
649 D3D11ES3FormatInfo d3d11FormatInfo;
650 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
651 {
652 return d3d11FormatInfo.mTexFormat;
653 }
654 else
655 {
656 UNREACHABLE();
657 return DXGI_FORMAT_UNKNOWN;
658 }
659 }
660 else
661 {
662 UNREACHABLE();
663 return DXGI_FORMAT_UNKNOWN;
664 }
665}
666
667DXGI_FORMAT GetSRVFormat(GLint internalFormat, GLuint clientVersion)
668{
669 if (clientVersion == 2)
670 {
671 D3D11ES2FormatInfo d3d11FormatInfo;
672 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
673 {
674 return d3d11FormatInfo.mSRVFormat;
675 }
676 else
677 {
678 UNREACHABLE();
679 return DXGI_FORMAT_UNKNOWN;
680 }
681 }
682 else if (clientVersion == 3)
683 {
684 D3D11ES3FormatInfo d3d11FormatInfo;
685 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
686 {
687 return d3d11FormatInfo.mSRVFormat;
688 }
689 else
690 {
691 UNREACHABLE();
692 return DXGI_FORMAT_UNKNOWN;
693 }
694 }
695 else
696 {
697 UNREACHABLE();
698 return DXGI_FORMAT_UNKNOWN;
699 }
700}
701
702DXGI_FORMAT GetRTVFormat(GLint internalFormat, GLuint clientVersion)
703{
704 if (clientVersion == 2)
705 {
706 D3D11ES2FormatInfo d3d11FormatInfo;
707 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
708 {
709 return d3d11FormatInfo.mRTVFormat;
710 }
711 else
712 {
713 UNREACHABLE();
714 return DXGI_FORMAT_UNKNOWN;
715 }
716 }
717 else if (clientVersion == 3)
718 {
719 D3D11ES3FormatInfo d3d11FormatInfo;
720 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
721 {
722 return d3d11FormatInfo.mRTVFormat;
723 }
724 else
725 {
726 UNREACHABLE();
727 return DXGI_FORMAT_UNKNOWN;
728 }
729 }
730 else
731 {
732 UNREACHABLE();
733 return DXGI_FORMAT_UNKNOWN;
734 }
735}
736
737DXGI_FORMAT GetDSVFormat(GLint internalFormat, GLuint clientVersion)
738{
739 if (clientVersion == 2)
740 {
741 D3D11ES2FormatInfo d3d11FormatInfo;
742 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
743 {
744 return d3d11FormatInfo.mDSVFormat;
745 }
746 else
747 {
748 return DXGI_FORMAT_UNKNOWN;
749 }
750 }
751 else if (clientVersion == 3)
752 {
753 D3D11ES3FormatInfo d3d11FormatInfo;
754 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
755 {
756 return d3d11FormatInfo.mDSVFormat;
757 }
758 else
759 {
760 return DXGI_FORMAT_UNKNOWN;
761 }
762 }
763 else
764 {
765 UNREACHABLE();
766 return DXGI_FORMAT_UNKNOWN;
767 }
768}
769
770}
771
772namespace d3d11_gl
773{
774
775GLint GetInternalFormat(DXGI_FORMAT format)
776{
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]777 DXGIFormatInfo formatInfo;
778 if (getDXGIFormatInfo(format, &formatInfo))
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]779 {
shannonwoods@chromium.orgba9d7502013-05-30 00:14:58 +0000[diff] [blame]780 return formatInfo.mInternalFormat;
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]781 }
782 else
783 {
784 UNREACHABLE();
785 return GL_NONE;
786 }
787}
788
789}
790
791}