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Merge pull request #570 from bunnei/astc 

gl_rasterizer: Implement texture format ASTC_2D_4X4.
This commit is contained in:
bunnei 2018-06-18 19:08:49 -04:00 committed by GitHub
parent c11cfaa705 61779fa072
commit 0e13d9cb7b
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 1709 additions and 1 deletions
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2
src/video_core/CMakeLists.txt
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@ -41,6 +41,8 @@ add_library(video_core STATIC
renderer_opengl/maxwell_to_gl.h
renderer_opengl/renderer_opengl.cpp
renderer_opengl/renderer_opengl.h
textures/astc.cpp
textures/astc.h
textures/decoders.cpp
textures/decoders.h
textures/texture.h

28
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -28,6 +28,7 @@
#include "video_core/engines/maxwell_3d.h"
#include "video_core/renderer_opengl/gl_rasterizer_cache.h"
#include "video_core/renderer_opengl/gl_state.h"
#include "video_core/textures/astc.h"
#include "video_core/textures/decoders.h"
#include "video_core/utils.h"
#include "video_core/video_core.h"
@ -55,6 +56,7 @@ static constexpr std::array<FormatTuple, SurfaceParams::MaxPixelFormat> tex_form
{GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT23
{GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, true}, // DXT45
{GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, true}, // DXN1
{GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, false}, // ASTC_2D_4X4
}};
static const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) {
@ -86,6 +88,23 @@ static u16 GetResolutionScaleFactor() {
: Settings::values.resolution_factor);
}
static void ConvertASTCToRGBA8(std::vector<u8>& data, PixelFormat format, u32 width, u32 height) {
u32 block_width{};
u32 block_height{};
switch (format) {
case PixelFormat::ASTC_2D_4X4:
block_width = 4;
block_height = 4;
break;
default:
NGLOG_CRITICAL(HW_GPU, "Unhandled format: {}", static_cast<u32>(format));
UNREACHABLE();
}
data = Tegra::Texture::ASTC::Decompress(data, width, height, block_width, block_height);
}
template <bool morton_to_gl, PixelFormat format>
void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, Tegra::GPUVAddr base,
Tegra::GPUVAddr start, Tegra::GPUVAddr end) {
@ -97,6 +116,12 @@ void MortonCopy(u32 stride, u32 block_height, u32 height, u8* gl_buffer, Tegra::
auto data = Tegra::Texture::UnswizzleTexture(
*gpu.memory_manager->GpuToCpuAddress(base),
SurfaceParams::TextureFormatFromPixelFormat(format), stride, height, block_height);
if (SurfaceParams::IsFormatASTC(format)) {
// ASTC formats are converted to RGBA8 in software, as most PC GPUs do not support this
ConvertASTCToRGBA8(data, format, stride, height);
}
std::memcpy(gl_buffer, data.data(), data.size());
} else {
// TODO(bunnei): Assumes the default rendering GOB size of 16 (128 lines). We should check
@ -118,7 +143,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra:
MortonCopy<true, PixelFormat::R8>, MortonCopy<true, PixelFormat::RGBA16F>,
MortonCopy<true, PixelFormat::R11FG11FB10F>, MortonCopy<true, PixelFormat::DXT1>,
MortonCopy<true, PixelFormat::DXT23>, MortonCopy<true, PixelFormat::DXT45>,
MortonCopy<true, PixelFormat::DXN1>,
MortonCopy<true, PixelFormat::DXN1>, MortonCopy<true, PixelFormat::ASTC_2D_4X4>,
};
static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra::GPUVAddr,
@ -137,6 +162,7 @@ static constexpr std::array<void (*)(u32, u32, u32, u8*, Tegra::GPUVAddr, Tegra:
nullptr,
nullptr,
nullptr,
MortonCopy<false, PixelFormat::ABGR8>,
};
// Allocate an uninitialized texture of appropriate size and format for the surface

16
src/video_core/renderer_opengl/gl_rasterizer_cache.h
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@ -65,6 +65,7 @@ struct SurfaceParams {
DXT23 = 8,
DXT45 = 9,
DXN1 = 10, // This is also known as BC4
ASTC_2D_4X4 = 11,
Max,
Invalid = 255,
@ -111,6 +112,7 @@ struct SurfaceParams {
4, // DXT23
4, // DXT45
4, // DXN1
1, // ASTC_2D_4X4
}};
ASSERT(static_cast<size_t>(format) < compression_factor_table.size());
@ -136,6 +138,7 @@ struct SurfaceParams {
128, // DXT23
128, // DXT45
64, // DXN1
32, // ASTC_2D_4X4
}};
ASSERT(static_cast<size_t>(format) < bpp_table.size());
@ -162,6 +165,15 @@ struct SurfaceParams {
}
}
static bool IsFormatASTC(PixelFormat format) {
switch (format) {
case PixelFormat::ASTC_2D_4X4:
return true;
default:
return false;
}
}
static PixelFormat PixelFormatFromGPUPixelFormat(Tegra::FramebufferConfig::PixelFormat format) {
switch (format) {
case Tegra::FramebufferConfig::PixelFormat::ABGR8:
@ -197,6 +209,8 @@ struct SurfaceParams {
return PixelFormat::DXT45;
case Tegra::Texture::TextureFormat::DXN1:
return PixelFormat::DXN1;
case Tegra::Texture::TextureFormat::ASTC_2D_4X4:
return PixelFormat::ASTC_2D_4X4;
default:
NGLOG_CRITICAL(HW_GPU, "Unimplemented format={}", static_cast<u32>(format));
UNREACHABLE();
@ -228,6 +242,8 @@ struct SurfaceParams {
return Tegra::Texture::TextureFormat::DXT45;
case PixelFormat::DXN1:
return Tegra::Texture::TextureFormat::DXN1;
case PixelFormat::ASTC_2D_4X4:
return Tegra::Texture::TextureFormat::ASTC_2D_4X4;
default:
UNREACHABLE();
}

1646
src/video_core/textures/astc.cpp Normal file
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File diff suppressed because it is too large Load Diff

15
src/video_core/textures/astc.h Normal file
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@ -0,0 +1,15 @@
// Copyright 2018 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstdint>
#include <vector>
namespace Tegra::Texture::ASTC {
std::vector<uint8_t> Decompress(std::vector<uint8_t>& data, uint32_t width, uint32_t height,
uint32_t block_width, uint32_t block_height);
} // namespace Tegra::Texture::ASTC

3
src/video_core/textures/decoders.cpp
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@ -53,6 +53,7 @@ u32 BytesPerPixel(TextureFormat format) {
case TextureFormat::DXT45:
// In this case a 'pixel' actually refers to a 4x4 tile.
return 16;
case TextureFormat::ASTC_2D_4X4:
case TextureFormat::A8R8G8B8:
case TextureFormat::A2B10G10R10:
case TextureFormat::BF10GF11RF11:
@ -94,6 +95,7 @@ std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width,
case TextureFormat::R8:
case TextureFormat::R16_G16_B16_A16:
case TextureFormat::BF10GF11RF11:
case TextureFormat::ASTC_2D_4X4:
CopySwizzledData(width, height, bytes_per_pixel, bytes_per_pixel, data,
unswizzled_data.data(), true, block_height);
break;
@ -115,6 +117,7 @@ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat
case TextureFormat::DXT23:
case TextureFormat::DXT45:
case TextureFormat::DXN1:
case TextureFormat::ASTC_2D_4X4:
case TextureFormat::A8R8G8B8:
case TextureFormat::A2B10G10R10:
case TextureFormat::A1B5G5R5: