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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-12-30 06:25:23 +0100 |
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committer | ReinUsesLisp <reinuseslisp@airmail.cc> | 2020-12-30 07:38:50 +0100 |
commit | 9764c13d6d2977903f407761b27d847c0056e1c4 (patch) | |
tree | f6f5d6d6379b0404147969e7d1f548ed3d49ca01 /src/video_core/texture_cache/samples_helper.h | |
parent | video_core: Add a delayed destruction ring abstraction (diff) | |
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Diffstat (limited to 'src/video_core/texture_cache/samples_helper.h')
-rw-r--r-- | src/video_core/texture_cache/samples_helper.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/src/video_core/texture_cache/samples_helper.h b/src/video_core/texture_cache/samples_helper.h new file mode 100644 index 000000000..04539a43c --- /dev/null +++ b/src/video_core/texture_cache/samples_helper.h @@ -0,0 +1,55 @@ +// Copyright 2020 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <utility> + +#include "common/assert.h" +#include "video_core/textures/texture.h" + +namespace VideoCommon { + +[[nodiscard]] inline std::pair<int, int> SamplesLog2(int num_samples) { + switch (num_samples) { + case 1: + return {0, 0}; + case 2: + return {1, 0}; + case 4: + return {1, 1}; + case 8: + return {2, 1}; + case 16: + return {2, 2}; + } + UNREACHABLE_MSG("Invalid number of samples={}", num_samples); + return {1, 1}; +} + +[[nodiscard]] inline int NumSamples(Tegra::Texture::MsaaMode msaa_mode) { + using Tegra::Texture::MsaaMode; + switch (msaa_mode) { + case MsaaMode::Msaa1x1: + return 1; + case MsaaMode::Msaa2x1: + case MsaaMode::Msaa2x1_D3D: + return 2; + case MsaaMode::Msaa2x2: + case MsaaMode::Msaa2x2_VC4: + case MsaaMode::Msaa2x2_VC12: + return 4; + case MsaaMode::Msaa4x2: + case MsaaMode::Msaa4x2_D3D: + case MsaaMode::Msaa4x2_VC8: + case MsaaMode::Msaa4x2_VC24: + return 8; + case MsaaMode::Msaa4x4: + return 16; + } + UNREACHABLE_MSG("Invalid MSAA mode={}", static_cast<int>(msaa_mode)); + return 1; +} + +} // namespace VideoCommon |