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author | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2017-01-05 23:11:23 +0100 |
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committer | Yuri Kunde Schlesner <yuriks@yuriks.net> | 2017-02-04 21:31:40 +0100 |
commit | a1c9ac7845395c250a78fc8df93a9ffed29f3d5b (patch) | |
tree | 7e3768df24f82e9e732302318326113419309d33 /src/video_core/texture/texture_decode.h | |
parent | Merge pull request #2496 from mailwl/cfg-mem (diff) | |
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Diffstat (limited to 'src/video_core/texture/texture_decode.h')
-rw-r--r-- | src/video_core/texture/texture_decode.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/video_core/texture/texture_decode.h b/src/video_core/texture/texture_decode.h new file mode 100644 index 000000000..0c1438b0f --- /dev/null +++ b/src/video_core/texture/texture_decode.h @@ -0,0 +1,40 @@ +// Copyright 2017 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include "common/common_types.h" +#include "common/vector_math.h" +#include "video_core/pica.h" + +namespace Pica { +namespace Texture { + +struct TextureInfo { + PAddr physical_address; + int width; + int height; + int stride; + Pica::Regs::TextureFormat format; + + static TextureInfo FromPicaRegister(const Pica::Regs::TextureConfig& config, + const Pica::Regs::TextureFormat& format); +}; + +/** + * Lookup texel located at the given coordinates and return an RGBA vector of its color. + * @param source Source pointer to read data from + * @param s,t Texture coordinates to read from + * @param info TextureInfo object describing the texture setup + * @param disable_alpha This is used for debug widgets which use this method to display textures + * without providing a good way to visualize alpha by themselves. If true, this will return 255 for + * the alpha component, and either drop the information entirely or store it in an "unused" color + * channel. + * @todo Eventually we should get rid of the disable_alpha parameter. + */ +Math::Vec4<u8> LookupTexture(const u8* source, int s, int t, const TextureInfo& info, + bool disable_alpha = false); + +} // namespace Texture +} // namespace Pica |