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gerrit-public.fairphone.software / platform / external / angle / 44a4f98a9d1ed2fdf2ddcee5fe50e47b03be3c0a / . / src / libGLESv2 / renderer / formatutils11.cpp
blob: fdc4e803047d71e0c8d19b56751f3881d7c14dec [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)));
46 map.insert(D3D11ES3FormatPair(GL_R8, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
47 map.insert(D3D11ES3FormatPair(GL_R8_SNORM, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
48 map.insert(D3D11ES3FormatPair(GL_RG8, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
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)));
57 map.insert(D3D11ES3FormatPair(GL_RGB10_A2, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
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)));
61 map.insert(D3D11ES3FormatPair(GL_R16F, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
62 map.insert(D3D11ES3FormatPair(GL_RG16F, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
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)));
65 map.insert(D3D11ES3FormatPair(GL_R32F, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
66 map.insert(D3D11ES3FormatPair(GL_RG32F, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
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)));
69 map.insert(D3D11ES3FormatPair(GL_R11F_G11F_B10F, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
70 map.insert(D3D11ES3FormatPair(GL_RGB9_E5, D3D11ES3FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN)));
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
175// to glTex*Image*D
176typedef std::pair<GLint, GLenum> InternalFormatTypePair;
177typedef std::pair<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionPair;
178typedef std::map<InternalFormatTypePair, LoadImageFunction> D3D11LoadFunctionMap;
179
180static void UnimplementedLoadFunction(int width, int height, int depth,
181 const void *input, unsigned int inputRowPitch, unsigned int inputDepthPitch,
182 void *output, unsigned int outputRowPitch, unsigned int outputDepthPitch)
183{
184 UNIMPLEMENTED();
185}
186
187// A helper function to insert data into the D3D11LoadFunctionMap with fewer characters.
188static inline void insertLoadFunction(D3D11LoadFunctionMap *map, GLint internalFormat, GLenum type,
189 LoadImageFunction loadFunc)
190{
191 map->insert(D3D11LoadFunctionPair(InternalFormatTypePair(internalFormat, type), loadFunc));
192}
193
194D3D11LoadFunctionMap buildD3D11LoadFunctionMap()
195{
196 D3D11LoadFunctionMap map;
197
198 // | Internal format | Type | Load function |
199 insertLoadFunction(&map, GL_RGBA8, GL_UNSIGNED_BYTE, loadRGBAUByteDataToNative );
200 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
201 insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
202 insertLoadFunction(&map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE, loadRGBAUByteDataToNative );
203 insertLoadFunction(&map, GL_RGBA8_SNORM, GL_BYTE, UnimplementedLoadFunction );
204 insertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, loadRGBA4444DataToRGBA );
205 insertLoadFunction(&map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV, UnimplementedLoadFunction );
206 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, loadRGBA5551DataToRGBA );
207 insertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_INT_2_10_10_10_REV, UnimplementedLoadFunction );
208 insertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT, loadRGBAHalfFloatDataToRGBA );
209 insertLoadFunction(&map, GL_RGBA32F, GL_FLOAT, loadRGBAFloatDataToRGBA );
210 insertLoadFunction(&map, GL_RGBA16F, GL_FLOAT, UnimplementedLoadFunction );
211 insertLoadFunction(&map, GL_RGBA8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
212 insertLoadFunction(&map, GL_RGBA8I, GL_BYTE, UnimplementedLoadFunction );
213 insertLoadFunction(&map, GL_RGBA16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
214 insertLoadFunction(&map, GL_RGBA16I, GL_SHORT, UnimplementedLoadFunction );
215 insertLoadFunction(&map, GL_RGBA32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
216 insertLoadFunction(&map, GL_RGBA32I, GL_INT, UnimplementedLoadFunction );
217 insertLoadFunction(&map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV, UnimplementedLoadFunction );
218 insertLoadFunction(&map, GL_RGB8, GL_UNSIGNED_BYTE, loadRGBUByteDataToRGBA );
219 insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
220 insertLoadFunction(&map, GL_SRGB8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
221 insertLoadFunction(&map, GL_RGB8_SNORM, GL_BYTE, UnimplementedLoadFunction );
222 insertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, loadRGB565DataToRGBA );
223 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, UnimplementedLoadFunction );
224 insertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, UnimplementedLoadFunction );
225 insertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, loadRGBHalfFloatDataToRGBA );
226 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, UnimplementedLoadFunction );
227 insertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, UnimplementedLoadFunction );
228 insertLoadFunction(&map, GL_RGB32F, GL_FLOAT, loadRGBFloatDataToNative );
229 insertLoadFunction(&map, GL_RGB16F, GL_FLOAT, UnimplementedLoadFunction );
230 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, UnimplementedLoadFunction );
231 insertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, UnimplementedLoadFunction );
232 insertLoadFunction(&map, GL_RGB8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
233 insertLoadFunction(&map, GL_RGB8I, GL_BYTE, UnimplementedLoadFunction );
234 insertLoadFunction(&map, GL_RGB16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
235 insertLoadFunction(&map, GL_RGB16I, GL_SHORT, UnimplementedLoadFunction );
236 insertLoadFunction(&map, GL_RGB32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
237 insertLoadFunction(&map, GL_RGB32I, GL_INT, UnimplementedLoadFunction );
238 insertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
239 insertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, UnimplementedLoadFunction );
240 insertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, UnimplementedLoadFunction );
241 insertLoadFunction(&map, GL_RG32F, GL_FLOAT, UnimplementedLoadFunction );
242 insertLoadFunction(&map, GL_RG16F, GL_FLOAT, UnimplementedLoadFunction );
243 insertLoadFunction(&map, GL_RG8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
244 insertLoadFunction(&map, GL_RG8I, GL_BYTE, UnimplementedLoadFunction );
245 insertLoadFunction(&map, GL_RG16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
246 insertLoadFunction(&map, GL_RG16I, GL_SHORT, UnimplementedLoadFunction );
247 insertLoadFunction(&map, GL_RG32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
248 insertLoadFunction(&map, GL_RG32I, GL_INT, UnimplementedLoadFunction );
249 insertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
250 insertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, UnimplementedLoadFunction );
251 insertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, UnimplementedLoadFunction );
252 insertLoadFunction(&map, GL_R32F, GL_FLOAT, UnimplementedLoadFunction );
253 insertLoadFunction(&map, GL_R16F, GL_FLOAT, UnimplementedLoadFunction );
254 insertLoadFunction(&map, GL_R8UI, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
255 insertLoadFunction(&map, GL_R8I, GL_BYTE, UnimplementedLoadFunction );
256 insertLoadFunction(&map, GL_R16UI, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
257 insertLoadFunction(&map, GL_R16I, GL_SHORT, UnimplementedLoadFunction );
258 insertLoadFunction(&map, GL_R32UI, GL_UNSIGNED_INT, UnimplementedLoadFunction );
259 insertLoadFunction(&map, GL_R32I, GL_INT, UnimplementedLoadFunction );
260 insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, UnimplementedLoadFunction );
261 insertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, UnimplementedLoadFunction );
262 insertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_INT, UnimplementedLoadFunction );
263 insertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, UnimplementedLoadFunction );
264 insertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, UnimplementedLoadFunction );
265 insertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, UnimplementedLoadFunction );
266
267 // Unsized formats
268 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
269 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, UnimplementedLoadFunction );
270 insertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, UnimplementedLoadFunction );
271 insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
272 insertLoadFunction(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, UnimplementedLoadFunction );
273 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
274 insertLoadFunction(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
275 insertLoadFunction(&map, GL_ALPHA, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
276
277 // From GL_OES_texture_float
278 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA );
279 insertLoadFunction(&map, GL_LUMINANCE, GL_FLOAT, loadLuminanceFloatDataToRGB );
280 insertLoadFunction(&map, GL_ALPHA, GL_FLOAT, loadAlphaFloatDataToRGBA );
281
282 // From GL_OES_texture_half_float
283 insertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA);
284 insertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA );
285 insertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA );
286
287 // From GL_EXT_texture_storage
288 insertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadAlphaDataToNative );
289 insertLoadFunction(&map, GL_LUMINANCE8_EXT, GL_UNSIGNED_BYTE, loadLuminanceDataToBGRA );
290 insertLoadFunction(&map, GL_LUMINANCE8_ALPHA8_EXT, GL_UNSIGNED_BYTE, loadLuminanceAlphaDataToBGRA );
291 insertLoadFunction(&map, GL_ALPHA32F_EXT, GL_FLOAT, loadAlphaFloatDataToRGBA );
292 insertLoadFunction(&map, GL_LUMINANCE32F_EXT, GL_FLOAT, loadLuminanceFloatDataToRGB );
293 insertLoadFunction(&map, GL_LUMINANCE_ALPHA32F_EXT, GL_FLOAT, loadLuminanceAlphaFloatDataToRGBA );
294 insertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT, loadAlphaHalfFloatDataToRGBA );
295 insertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT, loadLuminanceHalfFloatDataToRGBA );
296 insertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT, loadLuminanceAlphaHalfFloatDataToRGBA);
297
298 insertLoadFunction(&map, GL_BGRA8_EXT, GL_UNSIGNED_BYTE, loadBGRADataToBGRA );
299 insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, loadRGBA4444DataToRGBA );
300 insertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
301 insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, loadRGBA5551DataToRGBA );
302 insertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
303
304 // Compressed formats
305 // From ES 3.0.1 spec, table 3.16
306 // | Internal format | Type | Load function |
307 insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
308 insertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
309 insertLoadFunction(&map, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
310 insertLoadFunction(&map, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
311 insertLoadFunction(&map, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
312 insertLoadFunction(&map, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
313 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
314 insertLoadFunction(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
315 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
316 insertLoadFunction(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
317 insertLoadFunction(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
318
319 // From GL_EXT_texture_compression_dxt1
320 insertLoadFunction(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>);
321 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 8>);
322
323 // From GL_ANGLE_texture_compression_dxt3
324 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>);
325
326 // From GL_ANGLE_texture_compression_dxt5
327 insertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, loadCompressedBlockDataToNative<4, 4, 16>);
328
329 return map;
330}
331
332struct D3D11ES2FormatInfo
333{
334 DXGI_FORMAT mTexFormat;
335 DXGI_FORMAT mSRVFormat;
336 DXGI_FORMAT mRTVFormat;
337 DXGI_FORMAT mDSVFormat;
338
339 LoadImageFunction mLoadImageFunction;
340
341 D3D11ES2FormatInfo()
342 : mTexFormat(DXGI_FORMAT_UNKNOWN), mDSVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN),
343 mSRVFormat(DXGI_FORMAT_UNKNOWN), mLoadImageFunction(NULL)
344 { }
345
346 D3D11ES2FormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat,
347 LoadImageFunction loadFunc)
348 : mTexFormat(texFormat), mDSVFormat(dsvFormat), mRTVFormat(rtvFormat), mSRVFormat(srvFormat),
349 mLoadImageFunction(loadFunc)
350 { }
351};
352
353// ES2 internal formats can map to DXGI formats and loading functions
354typedef std::pair<GLint, D3D11ES2FormatInfo> D3D11ES2FormatPair;
355typedef std::map<GLint, D3D11ES2FormatInfo> D3D11ES2FormatMap;
356
357static D3D11ES2FormatMap buildD3D11ES2FormatMap()
358{
359 D3D11ES2FormatMap map;
360
361 // | Internal format | | Texture format | SRV format | RTV format | DSV format | Load function |
362 map.insert(D3D11ES2FormatPair(GL_NONE, D3D11ES2FormatInfo(DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, NULL )));
363 map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT16, D3D11ES2FormatInfo(DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM, NULL )));
364 map.insert(D3D11ES2FormatPair(GL_DEPTH_COMPONENT32_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT, NULL )));
365 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 )));
366 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 )));
367
368 map.insert(D3D11ES2FormatPair(GL_RGBA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAFloatDataToRGBA )));
369 map.insert(D3D11ES2FormatPair(GL_RGB32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBFloatDataToNative )));
370 map.insert(D3D11ES2FormatPair(GL_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaFloatDataToRGBA )));
371 map.insert(D3D11ES2FormatPair(GL_LUMINANCE32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_R32G32B32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceFloatDataToRGB )));
372 map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaFloatDataToRGBA )));
373
374 map.insert(D3D11ES2FormatPair(GL_RGBA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBAHalfFloatDataToRGBA )));
375 map.insert(D3D11ES2FormatPair(GL_RGB16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadRGBHalfFloatDataToRGBA )));
376 map.insert(D3D11ES2FormatPair(GL_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadAlphaHalfFloatDataToRGBA )));
377 map.insert(D3D11ES2FormatPair(GL_LUMINANCE16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceHalfFloatDataToRGBA )));
378 map.insert(D3D11ES2FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaHalfFloatDataToRGBA )));
379
380 map.insert(D3D11ES2FormatPair(GL_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN, loadAlphaDataToNative )));
381 map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceDataToBGRA )));
382 map.insert(D3D11ES2FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadLuminanceAlphaDataToBGRA )));
383
384 map.insert(D3D11ES2FormatPair(GL_RGB8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBUByteDataToRGBA )));
385 map.insert(D3D11ES2FormatPair(GL_RGB565, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGB565DataToRGBA )));
386 map.insert(D3D11ES2FormatPair(GL_RGBA8_OES, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBAUByteDataToNative )));
387 map.insert(D3D11ES2FormatPair(GL_RGBA4, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA )));
388 map.insert(D3D11ES2FormatPair(GL_RGB5_A1, D3D11ES2FormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA )));
389 map.insert(D3D11ES2FormatPair(GL_BGRA8_EXT, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadBGRADataToBGRA )));
390 map.insert(D3D11ES2FormatPair(GL_BGRA4_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA4444DataToRGBA )));
391 map.insert(D3D11ES2FormatPair(GL_BGR5_A1_ANGLEX, D3D11ES2FormatInfo(DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN, loadRGBA5551DataToRGBA )));
392
393 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>)));
394 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>)));
395 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>)));
396 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>)));
397
398 return map;
399}
400
401static bool getD3D11ES2FormatInfo(GLint internalFormat, GLuint clientVersion, D3D11ES2FormatInfo *outFormatInfo)
402{
403 static const D3D11ES2FormatMap formatMap = buildD3D11ES2FormatMap();
404 D3D11ES2FormatMap::const_iterator iter = formatMap.find(internalFormat);
405 if (iter != formatMap.end())
406 {
407 if (outFormatInfo)
408 {
409 *outFormatInfo = iter->second;
410 }
411 return true;
412 }
413 else
414 {
415 return false;
416 }
417}
418
419// A map for determining the mip map generation function given a texture's internal DXGI format
420typedef std::pair<DXGI_FORMAT, MipGenerationFunction> FormatMipPair;
421typedef std::map<DXGI_FORMAT, MipGenerationFunction> FormatMipMap;
422
423static FormatMipMap buildFormatMipMap()
424{
425 FormatMipMap map;
426
427 // | DXGI format | Mip generation function |
428 map.insert(FormatMipPair(DXGI_FORMAT_A8_UNORM, GenerateMip<A8> ));
429
430 map.insert(FormatMipPair(DXGI_FORMAT_R8_UNORM, GenerateMip<R8> ));
431 map.insert(FormatMipPair(DXGI_FORMAT_R8G8_UNORM, GenerateMip<R8G8> ));
432 map.insert(FormatMipPair(DXGI_FORMAT_R8G8B8A8_UNORM, GenerateMip<R8G8B8A8> ));
433 map.insert(FormatMipPair(DXGI_FORMAT_B8G8R8A8_UNORM, GenerateMip<B8G8R8A8> ));
434
435 map.insert(FormatMipPair(DXGI_FORMAT_R16_FLOAT, GenerateMip<R16F> ));
436 map.insert(FormatMipPair(DXGI_FORMAT_R16G16_FLOAT, GenerateMip<R16G16F> ));
437 map.insert(FormatMipPair(DXGI_FORMAT_R16G16B16A16_FLOAT, GenerateMip<R16G16B16A16F>));
438
439 map.insert(FormatMipPair(DXGI_FORMAT_R32_FLOAT, GenerateMip<R32F> ));
440 map.insert(FormatMipPair(DXGI_FORMAT_R32G32_FLOAT, GenerateMip<R32G32F> ));
441 map.insert(FormatMipPair(DXGI_FORMAT_R32G32B32_FLOAT, GenerateMip<R32G32B32F> ));
442 map.insert(FormatMipPair(DXGI_FORMAT_R32G32B32A32_FLOAT, GenerateMip<R32G32B32A32F>));
443
444 return map;
445}
446
447// A map to determine the pixel size of a given DXGI format
448struct DXGIFormatInfo
449{
450 GLuint mPixelBits;
451 GLuint mBlockWidth;
452 GLuint mBlockHeight;
453 GLint mInternalFormat;
454
455 DXGIFormatInfo()
456 : mPixelBits(0), mInternalFormat(GL_NONE)
457 { }
458
459 DXGIFormatInfo(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, GLint internalFormat)
460 : mPixelBits(pixelBits), mBlockWidth(blockWidth), mBlockHeight(blockHeight), mInternalFormat(internalFormat)
461 { }
462};
463
464typedef std::pair<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoPair;
465typedef std::map<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoMap;
466
467static DXGIFormatInfoMap buildDXGIFormatInfoMap()
468{
469 DXGIFormatInfoMap map;
470
471 // | DXGI format | S |W |H | Internal format |
472 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_UNKNOWN, DXGIFormatInfo( 0, 0, 0, GL_NONE )));
473
474 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_A8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_ALPHA8_EXT )));
475 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_R8 )));
476 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_UNORM, DXGIFormatInfo( 16, 1, 1, GL_RG8 )));
477 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGBA8 )));
478 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGIFormatInfo( 32, 1, 1, GL_SRGB8_ALPHA8 )));
479 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_B8G8R8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_BGRA8_EXT )));
480
481 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R10G10B10A2_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGB10_A2 )));
482
483 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_FLOAT, DXGIFormatInfo( 16, 1, 1, GL_R16F )));
484 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_RG16F )));
485 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16F )));
486
487 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R32F )));
488 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RG32F )));
489 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_FLOAT, DXGIFormatInfo( 96, 1, 1, GL_RGB32F )));
490 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGIFormatInfo(128, 1, 1, GL_RGBA32F )));
491
492 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_TYPELESS, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16 )));
493 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D16_UNORM, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16 )));
494 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES )));
495 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES )));
496 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R24G8_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES )));
497 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D24_UNORM_S8_UINT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES )));
498
499 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC1_UNORM, DXGIFormatInfo( 64, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT )));
500 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC2_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE)));
501 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC3_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)));
502
503 return map;
504}
505
506static bool getDXGIFormatInfo(DXGI_FORMAT format, DXGIFormatInfo *outFormatInfo)
507{
508 static const DXGIFormatInfoMap infoMap = buildDXGIFormatInfoMap();
509 DXGIFormatInfoMap::const_iterator iter = infoMap.find(format);
510 if (iter != infoMap.end())
511 {
512 if (outFormatInfo)
513 {
514 *outFormatInfo = iter->second;
515 }
516 return true;
517 }
518 else
519 {
520 return false;
521 }
522}
523
524namespace d3d11
525{
526
527MipGenerationFunction GetMipGenerationFunction(DXGI_FORMAT format)
528{
529 static const FormatMipMap formatMipMap = buildFormatMipMap();
530 FormatMipMap::const_iterator iter = formatMipMap.find(format);
531 if (iter != formatMipMap.end())
532 {
533 return iter->second;
534 }
535 else
536 {
537 UNREACHABLE();
538 return NULL;
539 }
540}
541
542LoadImageFunction GetImageLoadFunction(GLint internalFormat, GLenum type, GLuint clientVersion)
543{
544 if (clientVersion == 2)
545 {
546 D3D11ES2FormatInfo d3d11FormatInfo;
547 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
548 {
549 return d3d11FormatInfo.mLoadImageFunction;
550 }
551 else
552 {
553 UNREACHABLE();
554 return NULL;
555 }
556 }
557 else if (clientVersion == 3)
558 {
559 static const D3D11LoadFunctionMap loadImageMap = buildD3D11LoadFunctionMap();
560 D3D11LoadFunctionMap::const_iterator iter = loadImageMap.find(InternalFormatTypePair(internalFormat, type));
561 if (iter != loadImageMap.end())
562 {
563 return iter->second;
564 }
565 else
566 {
567 UNREACHABLE();
568 return NULL;
569 }
570 }
571 else
572 {
573 UNREACHABLE();
574 return NULL;
575 }
576}
577
578GLuint GetFormatPixelBytes(DXGI_FORMAT format)
579{
580 DXGIFormatInfo dxgiFormatInfo;
581 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
582 {
583 return dxgiFormatInfo.mPixelBits / 8;
584 }
585 else
586 {
587 UNREACHABLE();
588 return 0;
589 }
590}
591
592GLuint GetBlockWidth(DXGI_FORMAT format)
593{
594 DXGIFormatInfo dxgiFormatInfo;
595 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
596 {
597 return dxgiFormatInfo.mBlockWidth;
598 }
599 else
600 {
601 UNREACHABLE();
602 return 0;
603 }
604}
605
606GLuint GetBlockHeight(DXGI_FORMAT format)
607{
608 DXGIFormatInfo dxgiFormatInfo;
609 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
610 {
611 return dxgiFormatInfo.mBlockHeight;
612 }
613 else
614 {
615 UNREACHABLE();
616 return 0;
617 }
618}
619
620void MakeValidSize(bool isImage, DXGI_FORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset)
621{
622 DXGIFormatInfo dxgiFormatInfo;
623 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
624 {
625 int upsampleCount = 0;
626
627 GLsizei blockWidth = dxgiFormatInfo.mBlockWidth;
628 GLsizei blockHeight = dxgiFormatInfo.mBlockHeight;
629
630 // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
631 if (isImage || *requestWidth < blockWidth || *requestHeight < blockHeight)
632 {
633 while (*requestWidth % blockWidth != 0 || *requestHeight % blockHeight != 0)
634 {
635 *requestWidth <<= 1;
636 *requestHeight <<= 1;
637 upsampleCount++;
638 }
639 }
640 *levelOffset = upsampleCount;
641 }
642 else
643 {
644 UNREACHABLE();
645 }
646}
647
648}
649
650namespace gl_d3d11
651{
652
653DXGI_FORMAT GetTexFormat(GLint internalFormat, GLuint clientVersion)
654{
655 if (clientVersion == 2)
656 {
657 D3D11ES2FormatInfo d3d11FormatInfo;
658 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
659 {
660 return d3d11FormatInfo.mTexFormat;
661 }
662 else
663 {
664 UNREACHABLE();
665 return DXGI_FORMAT_UNKNOWN;
666 }
667 }
668 else if (clientVersion == 3)
669 {
670 D3D11ES3FormatInfo d3d11FormatInfo;
671 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
672 {
673 return d3d11FormatInfo.mTexFormat;
674 }
675 else
676 {
677 UNREACHABLE();
678 return DXGI_FORMAT_UNKNOWN;
679 }
680 }
681 else
682 {
683 UNREACHABLE();
684 return DXGI_FORMAT_UNKNOWN;
685 }
686}
687
688DXGI_FORMAT GetSRVFormat(GLint internalFormat, GLuint clientVersion)
689{
690 if (clientVersion == 2)
691 {
692 D3D11ES2FormatInfo d3d11FormatInfo;
693 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
694 {
695 return d3d11FormatInfo.mSRVFormat;
696 }
697 else
698 {
699 UNREACHABLE();
700 return DXGI_FORMAT_UNKNOWN;
701 }
702 }
703 else if (clientVersion == 3)
704 {
705 D3D11ES3FormatInfo d3d11FormatInfo;
706 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
707 {
708 return d3d11FormatInfo.mSRVFormat;
709 }
710 else
711 {
712 UNREACHABLE();
713 return DXGI_FORMAT_UNKNOWN;
714 }
715 }
716 else
717 {
718 UNREACHABLE();
719 return DXGI_FORMAT_UNKNOWN;
720 }
721}
722
723DXGI_FORMAT GetRTVFormat(GLint internalFormat, GLuint clientVersion)
724{
725 if (clientVersion == 2)
726 {
727 D3D11ES2FormatInfo d3d11FormatInfo;
728 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
729 {
730 return d3d11FormatInfo.mRTVFormat;
731 }
732 else
733 {
734 UNREACHABLE();
735 return DXGI_FORMAT_UNKNOWN;
736 }
737 }
738 else if (clientVersion == 3)
739 {
740 D3D11ES3FormatInfo d3d11FormatInfo;
741 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
742 {
743 return d3d11FormatInfo.mRTVFormat;
744 }
745 else
746 {
747 UNREACHABLE();
748 return DXGI_FORMAT_UNKNOWN;
749 }
750 }
751 else
752 {
753 UNREACHABLE();
754 return DXGI_FORMAT_UNKNOWN;
755 }
756}
757
758DXGI_FORMAT GetDSVFormat(GLint internalFormat, GLuint clientVersion)
759{
760 if (clientVersion == 2)
761 {
762 D3D11ES2FormatInfo d3d11FormatInfo;
763 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
764 {
765 return d3d11FormatInfo.mDSVFormat;
766 }
767 else
768 {
769 return DXGI_FORMAT_UNKNOWN;
770 }
771 }
772 else if (clientVersion == 3)
773 {
774 D3D11ES3FormatInfo d3d11FormatInfo;
775 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
776 {
777 return d3d11FormatInfo.mDSVFormat;
778 }
779 else
780 {
781 return DXGI_FORMAT_UNKNOWN;
782 }
783 }
784 else
785 {
786 UNREACHABLE();
787 return DXGI_FORMAT_UNKNOWN;
788 }
789}
790
791}
792
793namespace d3d11_gl
794{
795
796GLint GetInternalFormat(DXGI_FORMAT format)
797{
798 static const DXGIFormatInfoMap infoMap = buildDXGIFormatInfoMap();
799 DXGIFormatInfoMap::const_iterator iter = infoMap.find(format);
800 if (iter != infoMap.end())
801 {
802 return iter->second.mInternalFormat;
803 }
804 else
805 {
806 UNREACHABLE();
807 return GL_NONE;
808 }
809}
810
811}
812
813}
814