astc_decoder: Compute offset swizzles in-shader
Alleviates the dependency on the swizzle table and a uniform which is constant for all ASTC texture sizes.
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ameerj
parent
b2862e4772
commit
5ab8053511
@ -10,8 +10,7 @@
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#define END_PUSH_CONSTANTS };
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#define UNIFORM(n)
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#define BINDING_INPUT_BUFFER 0
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#define BINDING_SWIZZLE_BUFFER 1
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#define BINDING_OUTPUT_IMAGE 2
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#define BINDING_OUTPUT_IMAGE 1
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#else // ^^^ Vulkan ^^^ // vvv OpenGL vvv
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@ -19,7 +18,6 @@
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#define END_PUSH_CONSTANTS
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#define UNIFORM(n) layout(location = n) uniform
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#define BINDING_INPUT_BUFFER 0
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#define BINDING_SWIZZLE_BUFFER 1
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#define BINDING_OUTPUT_IMAGE 0
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#endif
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@ -28,13 +26,11 @@ layout(local_size_x = 32, local_size_y = 32, local_size_z = 1) in;
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BEGIN_PUSH_CONSTANTS
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UNIFORM(1) uvec2 block_dims;
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UNIFORM(2) uint bytes_per_block_log2;
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UNIFORM(3) uint layer_stride;
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UNIFORM(4) uint block_size;
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UNIFORM(5) uint x_shift;
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UNIFORM(6) uint block_height;
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UNIFORM(7) uint block_height_mask;
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UNIFORM(2) uint layer_stride;
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UNIFORM(3) uint block_size;
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UNIFORM(4) uint x_shift;
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UNIFORM(5) uint block_height;
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UNIFORM(6) uint block_height_mask;
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END_PUSH_CONSTANTS
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struct EncodingData {
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@ -53,35 +49,17 @@ struct TexelWeightParams {
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bool void_extent_hdr;
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};
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// Swizzle data
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layout(binding = BINDING_SWIZZLE_BUFFER, std430) readonly buffer SwizzleTable {
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uint swizzle_table[];
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};
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layout(binding = BINDING_INPUT_BUFFER, std430) readonly buffer InputBufferU32 {
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uvec4 astc_data[];
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};
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layout(binding = BINDING_OUTPUT_IMAGE, rgba8) uniform writeonly image2DArray dest_image;
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const uint GOB_SIZE_X = 64;
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const uint GOB_SIZE_Y = 8;
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const uint GOB_SIZE_Z = 1;
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const uint GOB_SIZE = GOB_SIZE_X * GOB_SIZE_Y * GOB_SIZE_Z;
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const uint GOB_SIZE_X_SHIFT = 6;
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const uint GOB_SIZE_Y_SHIFT = 3;
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const uint GOB_SIZE_Z_SHIFT = 0;
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const uint GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT + GOB_SIZE_Z_SHIFT;
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const uint GOB_SIZE_SHIFT = GOB_SIZE_X_SHIFT + GOB_SIZE_Y_SHIFT;
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const uvec2 SWIZZLE_MASK = uvec2(GOB_SIZE_X - 1, GOB_SIZE_Y - 1);
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const int BLOCK_SIZE_IN_BYTES = 16;
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const int BLOCK_INFO_ERROR = 0;
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const int BLOCK_INFO_VOID_EXTENT_HDR = 1;
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const int BLOCK_INFO_VOID_EXTENT_LDR = 2;
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const int BLOCK_INFO_NORMAL = 3;
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const uint BYTES_PER_BLOCK_LOG2 = 4;
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const int JUST_BITS = 0;
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const int QUINT = 1;
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@ -168,8 +146,10 @@ int texel_vector_index = 0;
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uint unquantized_texel_weights[2][144];
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uint SwizzleOffset(uvec2 pos) {
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pos = pos & SWIZZLE_MASK;
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return swizzle_table[pos.y * 64 + pos.x];
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uint x = pos.x;
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uint y = pos.y;
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return ((x % 64) / 32) * 256 + ((y % 8) / 2) * 64 + ((x % 32) / 16) * 32 +
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(y % 2) * 16 + (x % 16);
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}
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// Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
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@ -1253,7 +1233,7 @@ void DecompressBlock(ivec3 coord) {
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void main() {
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uvec3 pos = gl_GlobalInvocationID;
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pos.x <<= bytes_per_block_log2;
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pos.x <<= BYTES_PER_BLOCK_LOG2;
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// Read as soon as possible due to its latency
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const uint swizzle = SwizzleOffset(pos.xy);
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@ -68,7 +68,6 @@ UtilShaders::~UtilShaders() = default;
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void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
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std::span<const VideoCommon::SwizzleParameters> swizzles) {
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static constexpr GLuint BINDING_INPUT_BUFFER = 0;
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static constexpr GLuint BINDING_SWIZZLE_BUFFER = 1;
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static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
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const Extent2D tile_size{
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@ -76,10 +75,9 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
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.height = VideoCore::Surface::DefaultBlockHeight(image.info.format),
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};
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program_manager.BindComputeProgram(astc_decoder_program.handle);
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_SWIZZLE_BUFFER, swizzle_table_buffer.handle);
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glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes);
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glUniform2ui(1, tile_size.width, tile_size.height);
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// Ensure buffer data is valid before dispatching
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glFlush();
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for (const SwizzleParameters& swizzle : swizzles) {
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@ -90,13 +88,13 @@ void UtilShaders::ASTCDecode(Image& image, const ImageBufferMap& map,
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const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info);
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ASSERT(params.origin == (std::array<u32, 3>{0, 0, 0}));
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ASSERT(params.destination == (std::array<s32, 3>{0, 0, 0}));
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ASSERT(params.bytes_per_block_log2 == 4);
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glUniform1ui(2, params.bytes_per_block_log2);
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glUniform1ui(3, params.layer_stride);
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glUniform1ui(4, params.block_size);
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glUniform1ui(5, params.x_shift);
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glUniform1ui(6, params.block_height);
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glUniform1ui(7, params.block_height_mask);
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glUniform1ui(2, params.layer_stride);
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glUniform1ui(3, params.block_size);
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glUniform1ui(4, params.x_shift);
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glUniform1ui(5, params.block_height);
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glUniform1ui(6, params.block_height_mask);
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// ASTC texture data
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glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,
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@ -34,9 +34,8 @@ using Tegra::Texture::SWIZZLE_TABLE;
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namespace {
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constexpr u32 ASTC_BINDING_INPUT_BUFFER = 0;
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constexpr u32 ASTC_BINDING_SWIZZLE_BUFFER = 1;
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constexpr u32 ASTC_BINDING_OUTPUT_IMAGE = 2;
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constexpr size_t ASTC_NUM_BINDINGS = 3;
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constexpr u32 ASTC_BINDING_OUTPUT_IMAGE = 1;
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constexpr size_t ASTC_NUM_BINDINGS = 2;
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template <size_t size>
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inline constexpr VkPushConstantRange COMPUTE_PUSH_CONSTANT_RANGE{
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@ -80,13 +79,6 @@ constexpr std::array<VkDescriptorSetLayoutBinding, ASTC_NUM_BINDINGS> ASTC_DESCR
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.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
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.pImmutableSamplers = nullptr,
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},
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{
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.binding = ASTC_BINDING_SWIZZLE_BUFFER,
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.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.descriptorCount = 1,
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.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
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.pImmutableSamplers = nullptr,
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},
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{
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.binding = ASTC_BINDING_OUTPUT_IMAGE,
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.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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@ -98,12 +90,12 @@ constexpr std::array<VkDescriptorSetLayoutBinding, ASTC_NUM_BINDINGS> ASTC_DESCR
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constexpr DescriptorBankInfo ASTC_BANK_INFO{
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.uniform_buffers = 0,
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.storage_buffers = 2,
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.storage_buffers = 1,
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.texture_buffers = 0,
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.image_buffers = 0,
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.textures = 0,
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.images = 1,
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.score = 3,
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.score = 2,
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};
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constexpr VkDescriptorUpdateTemplateEntryKHR INPUT_OUTPUT_DESCRIPTOR_UPDATE_TEMPLATE{
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@ -125,14 +117,6 @@ constexpr std::array<VkDescriptorUpdateTemplateEntryKHR, ASTC_NUM_BINDINGS>
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.offset = ASTC_BINDING_INPUT_BUFFER * sizeof(DescriptorUpdateEntry),
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.stride = sizeof(DescriptorUpdateEntry),
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},
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{
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.dstBinding = ASTC_BINDING_SWIZZLE_BUFFER,
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.dstArrayElement = 0,
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.descriptorCount = 1,
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.descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.offset = ASTC_BINDING_SWIZZLE_BUFFER * sizeof(DescriptorUpdateEntry),
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.stride = sizeof(DescriptorUpdateEntry),
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},
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{
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.dstBinding = ASTC_BINDING_OUTPUT_IMAGE,
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.dstArrayElement = 0,
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@ -145,7 +129,6 @@ constexpr std::array<VkDescriptorUpdateTemplateEntryKHR, ASTC_NUM_BINDINGS>
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struct AstcPushConstants {
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std::array<u32, 2> blocks_dims;
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u32 bytes_per_block_log2;
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u32 layer_stride;
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u32 block_size;
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u32 x_shift;
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@ -336,42 +319,6 @@ ASTCDecoderPass::ASTCDecoderPass(const Device& device_, VKScheduler& scheduler_,
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ASTCDecoderPass::~ASTCDecoderPass() = default;
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void ASTCDecoderPass::MakeDataBuffer() {
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constexpr size_t TOTAL_BUFFER_SIZE = sizeof(SWIZZLE_TABLE);
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data_buffer = device.GetLogical().CreateBuffer(VkBufferCreateInfo{
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.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
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.pNext = nullptr,
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.flags = 0,
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.size = TOTAL_BUFFER_SIZE,
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.usage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
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.queueFamilyIndexCount = 0,
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.pQueueFamilyIndices = nullptr,
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});
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data_buffer_commit = memory_allocator.Commit(data_buffer, MemoryUsage::Upload);
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const auto staging_ref = staging_buffer_pool.Request(TOTAL_BUFFER_SIZE, MemoryUsage::Upload);
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std::memcpy(staging_ref.mapped_span.data(), &SWIZZLE_TABLE, sizeof(SWIZZLE_TABLE));
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scheduler.Record([src = staging_ref.buffer, offset = staging_ref.offset, dst = *data_buffer,
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TOTAL_BUFFER_SIZE](vk::CommandBuffer cmdbuf) {
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static constexpr VkMemoryBarrier write_barrier{
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.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
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.pNext = nullptr,
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.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
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};
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const VkBufferCopy copy{
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.srcOffset = offset,
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.dstOffset = 0,
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.size = TOTAL_BUFFER_SIZE,
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};
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cmdbuf.CopyBuffer(src, dst, copy);
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cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
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0, write_barrier);
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});
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}
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void ASTCDecoderPass::Assemble(Image& image, const StagingBufferRef& map,
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std::span<const VideoCommon::SwizzleParameters> swizzles) {
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using namespace VideoCommon::Accelerated;
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@ -380,9 +327,6 @@ void ASTCDecoderPass::Assemble(Image& image, const StagingBufferRef& map,
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VideoCore::Surface::DefaultBlockHeight(image.info.format),
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};
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scheduler.RequestOutsideRenderPassOperationContext();
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if (!data_buffer) {
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MakeDataBuffer();
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}
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const VkPipeline vk_pipeline = *pipeline;
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const VkImageAspectFlags aspect_mask = image.AspectMask();
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const VkImage vk_image = image.Handle();
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@ -421,7 +365,6 @@ void ASTCDecoderPass::Assemble(Image& image, const StagingBufferRef& map,
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update_descriptor_queue.Acquire();
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update_descriptor_queue.AddBuffer(map.buffer, input_offset,
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image.guest_size_bytes - swizzle.buffer_offset);
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update_descriptor_queue.AddBuffer(*data_buffer, 0, sizeof(SWIZZLE_TABLE));
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update_descriptor_queue.AddImage(image.StorageImageView(swizzle.level));
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const void* const descriptor_data{update_descriptor_queue.UpdateData()};
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@ -429,11 +372,11 @@ void ASTCDecoderPass::Assemble(Image& image, const StagingBufferRef& map,
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const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info);
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ASSERT(params.origin == (std::array<u32, 3>{0, 0, 0}));
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ASSERT(params.destination == (std::array<s32, 3>{0, 0, 0}));
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ASSERT(params.bytes_per_block_log2 == 4);
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scheduler.Record([this, num_dispatches_x, num_dispatches_y, num_dispatches_z, block_dims,
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params, descriptor_data](vk::CommandBuffer cmdbuf) {
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const AstcPushConstants uniforms{
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.blocks_dims = block_dims,
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.bytes_per_block_log2 = params.bytes_per_block_log2,
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.layer_stride = params.layer_stride,
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.block_size = params.block_size,
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.x_shift = params.x_shift,
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@ -96,15 +96,10 @@ public:
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std::span<const VideoCommon::SwizzleParameters> swizzles);
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private:
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void MakeDataBuffer();
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VKScheduler& scheduler;
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StagingBufferPool& staging_buffer_pool;
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VKUpdateDescriptorQueue& update_descriptor_queue;
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MemoryAllocator& memory_allocator;
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vk::Buffer data_buffer;
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MemoryCommit data_buffer_commit;
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};
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} // namespace Vulkan
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