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Merge pull request #6791 from ameerj/astc-opt

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astc_decoder: Various performance and memory optimizations
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bunnei 2021-08-06 21:45:24 -07:00 • committed by GitHub
commit 268b5764c7
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7 changed files with 250 additions and 420 deletions
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31
src/video_core/renderer_opengl/util_shaders.cpp
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@ -60,19 +60,14 @@ UtilShaders::UtilShaders(ProgramManager& program_manager_)
copy_bc4_program(MakeProgram(OPENGL_COPY_BC4_COMP)) {
const auto swizzle_table = Tegra::Texture::MakeSwizzleTable();
swizzle_table_buffer.Create();
astc_buffer.Create();
glNamedBufferStorage(swizzle_table_buffer.handle, sizeof(swizzle_table), &swizzle_table, 0);
glNamedBufferStorage(astc_buffer.handle, sizeof(ASTC_ENCODINGS_VALUES), &ASTC_ENCODINGS_VALUES,
0);
}
UtilShaders::~UtilShaders() = default;
void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles) {
static constexpr GLuint BINDING_SWIZZLE_BUFFER = 0;
static constexpr GLuint BINDING_INPUT_BUFFER = 1;
static constexpr GLuint BINDING_ENC_BUFFER = 2;
static constexpr GLuint BINDING_INPUT_BUFFER = 0;
static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
const Extent2D tile_size{
@ -80,34 +75,32 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
.height = VideoCore::Surface::DefaultBlockHeight(image.info.format),
};
program_manager.BindComputeProgram(astc_decoder_program.handle);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_SWIZZLE_BUFFER, swizzle_table_buffer.handle);
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_ENC_BUFFER, astc_buffer.handle);
glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes);
glUniform2ui(1, tile_size.width, tile_size.height);
// Ensure buffer data is valid before dispatching
glFlush();
for (const SwizzleParameters& swizzle : swizzles) {
const size_t input_offset = swizzle.buffer_offset + map.offset;
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 32U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 32U);
const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 8U);
const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 8U);
const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info);
ASSERT(params.origin == (std::array<u32, 3>{0, 0, 0}));
ASSERT(params.destination == (std::array<s32, 3>{0, 0, 0}));
ASSERT(params.bytes_per_block_log2 == 4);
glUniform1ui(2, params.bytes_per_block_log2);
glUniform1ui(3, params.layer_stride);
glUniform1ui(4, params.block_size);
glUniform1ui(5, params.x_shift);
glUniform1ui(6, params.block_height);
glUniform1ui(7, params.block_height_mask);
glUniform1ui(2, params.layer_stride);
glUniform1ui(3, params.block_size);
glUniform1ui(4, params.x_shift);
glUniform1ui(5, params.block_height);
glUniform1ui(6, params.block_height_mask);
glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_TRUE, 0,
GL_WRITE_ONLY, GL_RGBA8);
// ASTC texture data
glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,
image.guest_size_bytes - swizzle.buffer_offset);
glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_TRUE, 0,
GL_WRITE_ONLY, GL_RGBA8);
glDispatchCompute(num_dispatches_x, num_dispatches_y, image.info.resources.layers);
}

1
src/video_core/renderer_opengl/util_shaders.h
View file

@ -62,7 +62,6 @@ private:
ProgramManager& program_manager;
OGLBuffer swizzle_table_buffer;
OGLBuffer astc_buffer;
OGLProgram astc_decoder_program;
OGLProgram block_linear_unswizzle_2d_program;