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astc_decoder: Compute offset swizzles in-shader

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Alleviates the dependency on the swizzle table and a uniform which is constant for all ASTC texture sizes.
This commit is contained in:
ameerj 2021-07-31 22:24:15 -04:00
parent b2862e4772
commit 5ab8053511
4 changed files with 25 additions and 109 deletions
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16
src/video_core/renderer_opengl/util_shaders.cpp
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@ -68,7 +68,6 @@ UtilShaders::~UtilShaders() = default;
void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
std::span<const VideoCommon::SwizzleParameters> swizzles) {
static constexpr GLuint BINDING_INPUT_BUFFER = 0;
static constexpr GLuint BINDING_SWIZZLE_BUFFER = 1;
static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
const Extent2D tile_size{
@ -76,10 +75,9 @@ 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);
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) {
@ -90,13 +88,13 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
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);
// ASTC texture data
glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,