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gerrit-public.fairphone.software / platform / external / angle / 8d46e91406929e3726b0f905b6ca861fd7938a13 / . / src / libGLESv2 / renderer / formatutils11.cpp
blob: 30c2bf3eabb1b23f25347071262afb73fd65155b [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)));
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)));
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
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 );
224 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, UnimplementedLoadFunction );
225 insertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, UnimplementedLoadFunction );
226 insertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, loadRGBHalfFloatDataToRGBA );
227 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, UnimplementedLoadFunction );
228 insertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, UnimplementedLoadFunction );
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 );
231 insertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, UnimplementedLoadFunction );
232 insertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, UnimplementedLoadFunction );
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 );
239 insertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
240 insertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, UnimplementedLoadFunction );
241 insertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, UnimplementedLoadFunction );
242 insertLoadFunction(&map, GL_RG32F, GL_FLOAT, UnimplementedLoadFunction );
243 insertLoadFunction(&map, GL_RG16F, GL_FLOAT, UnimplementedLoadFunction );
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 );
250 insertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, UnimplementedLoadFunction );
251 insertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, UnimplementedLoadFunction );
252 insertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, UnimplementedLoadFunction );
253 insertLoadFunction(&map, GL_R32F, GL_FLOAT, UnimplementedLoadFunction );
254 insertLoadFunction(&map, GL_R16F, GL_FLOAT, UnimplementedLoadFunction );
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
420// A map for determining the mip map generation function given a texture's internal DXGI format
421typedef std::pair<DXGI_FORMAT, MipGenerationFunction> FormatMipPair;
422typedef std::map<DXGI_FORMAT, MipGenerationFunction> FormatMipMap;
423
424static FormatMipMap buildFormatMipMap()
425{
426 FormatMipMap map;
427
428 // | DXGI format | Mip generation function |
429 map.insert(FormatMipPair(DXGI_FORMAT_A8_UNORM, GenerateMip<A8> ));
430
431 map.insert(FormatMipPair(DXGI_FORMAT_R8_UNORM, GenerateMip<R8> ));
432 map.insert(FormatMipPair(DXGI_FORMAT_R8G8_UNORM, GenerateMip<R8G8> ));
433 map.insert(FormatMipPair(DXGI_FORMAT_R8G8B8A8_UNORM, GenerateMip<R8G8B8A8> ));
434 map.insert(FormatMipPair(DXGI_FORMAT_B8G8R8A8_UNORM, GenerateMip<B8G8R8A8> ));
435
436 map.insert(FormatMipPair(DXGI_FORMAT_R16_FLOAT, GenerateMip<R16F> ));
437 map.insert(FormatMipPair(DXGI_FORMAT_R16G16_FLOAT, GenerateMip<R16G16F> ));
438 map.insert(FormatMipPair(DXGI_FORMAT_R16G16B16A16_FLOAT, GenerateMip<R16G16B16A16F>));
439
440 map.insert(FormatMipPair(DXGI_FORMAT_R32_FLOAT, GenerateMip<R32F> ));
441 map.insert(FormatMipPair(DXGI_FORMAT_R32G32_FLOAT, GenerateMip<R32G32F> ));
442 map.insert(FormatMipPair(DXGI_FORMAT_R32G32B32_FLOAT, GenerateMip<R32G32B32F> ));
443 map.insert(FormatMipPair(DXGI_FORMAT_R32G32B32A32_FLOAT, GenerateMip<R32G32B32A32F>));
444
shannonwoods@chromium.org5d4468e2013-05-30 00:13:56 +0000[diff] [blame]445 map.insert(FormatMipPair(DXGI_FORMAT_R10G10B10A2_UNORM, GenerateMip<R10G10B10A2> ));
446
shannonwoods@chromium.orgb8490f32013-05-30 00:08:00 +0000[diff] [blame]447 return map;
448}
449
450// A map to determine the pixel size of a given DXGI format
451struct DXGIFormatInfo
452{
453 GLuint mPixelBits;
454 GLuint mBlockWidth;
455 GLuint mBlockHeight;
456 GLint mInternalFormat;
457
458 DXGIFormatInfo()
459 : mPixelBits(0), mInternalFormat(GL_NONE)
460 { }
461
462 DXGIFormatInfo(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, GLint internalFormat)
463 : mPixelBits(pixelBits), mBlockWidth(blockWidth), mBlockHeight(blockHeight), mInternalFormat(internalFormat)
464 { }
465};
466
467typedef std::pair<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoPair;
468typedef std::map<DXGI_FORMAT, DXGIFormatInfo> DXGIFormatInfoMap;
469
470static DXGIFormatInfoMap buildDXGIFormatInfoMap()
471{
472 DXGIFormatInfoMap map;
473
474 // | DXGI format | S |W |H | Internal format |
475 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_UNKNOWN, DXGIFormatInfo( 0, 0, 0, GL_NONE )));
476
477 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_A8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_ALPHA8_EXT )));
478 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8_UNORM, DXGIFormatInfo( 8, 1, 1, GL_R8 )));
479 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8_UNORM, DXGIFormatInfo( 16, 1, 1, GL_RG8 )));
480 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGBA8 )));
481 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGIFormatInfo( 32, 1, 1, GL_SRGB8_ALPHA8 )));
482 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_B8G8R8A8_UNORM, DXGIFormatInfo( 32, 1, 1, GL_BGRA8_EXT )));
483
484 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R10G10B10A2_UNORM, DXGIFormatInfo( 32, 1, 1, GL_RGB10_A2 )));
485
486 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_FLOAT, DXGIFormatInfo( 16, 1, 1, GL_R16F )));
487 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_RG16F )));
488 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RGBA16F )));
489
490 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_R32F )));
491 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32_FLOAT, DXGIFormatInfo( 64, 1, 1, GL_RG32F )));
492 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32_FLOAT, DXGIFormatInfo( 96, 1, 1, GL_RGB32F )));
493 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGIFormatInfo(128, 1, 1, GL_RGBA32F )));
494
495 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R16_TYPELESS, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16 )));
496 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D16_UNORM, DXGIFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16 )));
497 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R32_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES )));
498 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D32_FLOAT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES )));
499 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_R24G8_TYPELESS, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES )));
500 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_D24_UNORM_S8_UINT, DXGIFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES )));
501
502 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC1_UNORM, DXGIFormatInfo( 64, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT )));
503 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC2_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE)));
504 map.insert(DXGIFormatInfoPair(DXGI_FORMAT_BC3_UNORM, DXGIFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE)));
505
506 return map;
507}
508
509static bool getDXGIFormatInfo(DXGI_FORMAT format, DXGIFormatInfo *outFormatInfo)
510{
511 static const DXGIFormatInfoMap infoMap = buildDXGIFormatInfoMap();
512 DXGIFormatInfoMap::const_iterator iter = infoMap.find(format);
513 if (iter != infoMap.end())
514 {
515 if (outFormatInfo)
516 {
517 *outFormatInfo = iter->second;
518 }
519 return true;
520 }
521 else
522 {
523 return false;
524 }
525}
526
527namespace d3d11
528{
529
530MipGenerationFunction GetMipGenerationFunction(DXGI_FORMAT format)
531{
532 static const FormatMipMap formatMipMap = buildFormatMipMap();
533 FormatMipMap::const_iterator iter = formatMipMap.find(format);
534 if (iter != formatMipMap.end())
535 {
536 return iter->second;
537 }
538 else
539 {
540 UNREACHABLE();
541 return NULL;
542 }
543}
544
545LoadImageFunction GetImageLoadFunction(GLint internalFormat, GLenum type, GLuint clientVersion)
546{
547 if (clientVersion == 2)
548 {
549 D3D11ES2FormatInfo d3d11FormatInfo;
550 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
551 {
552 return d3d11FormatInfo.mLoadImageFunction;
553 }
554 else
555 {
556 UNREACHABLE();
557 return NULL;
558 }
559 }
560 else if (clientVersion == 3)
561 {
562 static const D3D11LoadFunctionMap loadImageMap = buildD3D11LoadFunctionMap();
563 D3D11LoadFunctionMap::const_iterator iter = loadImageMap.find(InternalFormatTypePair(internalFormat, type));
564 if (iter != loadImageMap.end())
565 {
566 return iter->second;
567 }
568 else
569 {
570 UNREACHABLE();
571 return NULL;
572 }
573 }
574 else
575 {
576 UNREACHABLE();
577 return NULL;
578 }
579}
580
581GLuint GetFormatPixelBytes(DXGI_FORMAT format)
582{
583 DXGIFormatInfo dxgiFormatInfo;
584 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
585 {
586 return dxgiFormatInfo.mPixelBits / 8;
587 }
588 else
589 {
590 UNREACHABLE();
591 return 0;
592 }
593}
594
595GLuint GetBlockWidth(DXGI_FORMAT format)
596{
597 DXGIFormatInfo dxgiFormatInfo;
598 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
599 {
600 return dxgiFormatInfo.mBlockWidth;
601 }
602 else
603 {
604 UNREACHABLE();
605 return 0;
606 }
607}
608
609GLuint GetBlockHeight(DXGI_FORMAT format)
610{
611 DXGIFormatInfo dxgiFormatInfo;
612 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
613 {
614 return dxgiFormatInfo.mBlockHeight;
615 }
616 else
617 {
618 UNREACHABLE();
619 return 0;
620 }
621}
622
623void MakeValidSize(bool isImage, DXGI_FORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset)
624{
625 DXGIFormatInfo dxgiFormatInfo;
626 if (getDXGIFormatInfo(format, &dxgiFormatInfo))
627 {
628 int upsampleCount = 0;
629
630 GLsizei blockWidth = dxgiFormatInfo.mBlockWidth;
631 GLsizei blockHeight = dxgiFormatInfo.mBlockHeight;
632
633 // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already.
634 if (isImage || *requestWidth < blockWidth || *requestHeight < blockHeight)
635 {
636 while (*requestWidth % blockWidth != 0 || *requestHeight % blockHeight != 0)
637 {
638 *requestWidth <<= 1;
639 *requestHeight <<= 1;
640 upsampleCount++;
641 }
642 }
643 *levelOffset = upsampleCount;
644 }
645 else
646 {
647 UNREACHABLE();
648 }
649}
650
651}
652
653namespace gl_d3d11
654{
655
656DXGI_FORMAT GetTexFormat(GLint internalFormat, GLuint clientVersion)
657{
658 if (clientVersion == 2)
659 {
660 D3D11ES2FormatInfo d3d11FormatInfo;
661 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
662 {
663 return d3d11FormatInfo.mTexFormat;
664 }
665 else
666 {
667 UNREACHABLE();
668 return DXGI_FORMAT_UNKNOWN;
669 }
670 }
671 else if (clientVersion == 3)
672 {
673 D3D11ES3FormatInfo d3d11FormatInfo;
674 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
675 {
676 return d3d11FormatInfo.mTexFormat;
677 }
678 else
679 {
680 UNREACHABLE();
681 return DXGI_FORMAT_UNKNOWN;
682 }
683 }
684 else
685 {
686 UNREACHABLE();
687 return DXGI_FORMAT_UNKNOWN;
688 }
689}
690
691DXGI_FORMAT GetSRVFormat(GLint internalFormat, GLuint clientVersion)
692{
693 if (clientVersion == 2)
694 {
695 D3D11ES2FormatInfo d3d11FormatInfo;
696 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
697 {
698 return d3d11FormatInfo.mSRVFormat;
699 }
700 else
701 {
702 UNREACHABLE();
703 return DXGI_FORMAT_UNKNOWN;
704 }
705 }
706 else if (clientVersion == 3)
707 {
708 D3D11ES3FormatInfo d3d11FormatInfo;
709 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
710 {
711 return d3d11FormatInfo.mSRVFormat;
712 }
713 else
714 {
715 UNREACHABLE();
716 return DXGI_FORMAT_UNKNOWN;
717 }
718 }
719 else
720 {
721 UNREACHABLE();
722 return DXGI_FORMAT_UNKNOWN;
723 }
724}
725
726DXGI_FORMAT GetRTVFormat(GLint internalFormat, GLuint clientVersion)
727{
728 if (clientVersion == 2)
729 {
730 D3D11ES2FormatInfo d3d11FormatInfo;
731 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
732 {
733 return d3d11FormatInfo.mRTVFormat;
734 }
735 else
736 {
737 UNREACHABLE();
738 return DXGI_FORMAT_UNKNOWN;
739 }
740 }
741 else if (clientVersion == 3)
742 {
743 D3D11ES3FormatInfo d3d11FormatInfo;
744 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
745 {
746 return d3d11FormatInfo.mRTVFormat;
747 }
748 else
749 {
750 UNREACHABLE();
751 return DXGI_FORMAT_UNKNOWN;
752 }
753 }
754 else
755 {
756 UNREACHABLE();
757 return DXGI_FORMAT_UNKNOWN;
758 }
759}
760
761DXGI_FORMAT GetDSVFormat(GLint internalFormat, GLuint clientVersion)
762{
763 if (clientVersion == 2)
764 {
765 D3D11ES2FormatInfo d3d11FormatInfo;
766 if (getD3D11ES2FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
767 {
768 return d3d11FormatInfo.mDSVFormat;
769 }
770 else
771 {
772 return DXGI_FORMAT_UNKNOWN;
773 }
774 }
775 else if (clientVersion == 3)
776 {
777 D3D11ES3FormatInfo d3d11FormatInfo;
778 if (getD3D11ES3FormatInfo(internalFormat, clientVersion, &d3d11FormatInfo))
779 {
780 return d3d11FormatInfo.mDSVFormat;
781 }
782 else
783 {
784 return DXGI_FORMAT_UNKNOWN;
785 }
786 }
787 else
788 {
789 UNREACHABLE();
790 return DXGI_FORMAT_UNKNOWN;
791 }
792}
793
794}
795
796namespace d3d11_gl
797{
798
799GLint GetInternalFormat(DXGI_FORMAT format)
800{
801 static const DXGIFormatInfoMap infoMap = buildDXGIFormatInfoMap();
802 DXGIFormatInfoMap::const_iterator iter = infoMap.find(format);
803 if (iter != infoMap.end())
804 {
805 return iter->second.mInternalFormat;
806 }
807 else
808 {
809 UNREACHABLE();
810 return GL_NONE;
811 }
812}
813
814}
815
816}
817