diff options
Diffstat (limited to 'src/video_core/renderer_opengl/util_shaders.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/util_shaders.cpp | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/src/video_core/renderer_opengl/util_shaders.cpp b/src/video_core/renderer_opengl/util_shaders.cpp index 2fe4799bc..2a4220661 100644 --- a/src/video_core/renderer_opengl/util_shaders.cpp +++ b/src/video_core/renderer_opengl/util_shaders.cpp @@ -3,7 +3,10 @@ // Refer to the license.txt file included. #include <bit> +#include <fstream> #include <span> +#include <streambuf> +#include <string> #include <string_view> #include <glad/glad.h> @@ -24,11 +27,13 @@ #include "video_core/texture_cache/accelerated_swizzle.h" #include "video_core/texture_cache/types.h" #include "video_core/texture_cache/util.h" +#include "video_core/textures/astc.h" #include "video_core/textures/decoders.h" namespace OpenGL { using namespace HostShaders; +using namespace Tegra::Texture::ASTC; using VideoCommon::Extent3D; using VideoCommon::ImageCopy; @@ -63,12 +68,104 @@ UtilShaders::UtilShaders(ProgramManager& program_manager_) pitch_unswizzle_program(MakeProgram(PITCH_UNSWIZZLE_COMP)), copy_bgra_program(MakeProgram(OPENGL_COPY_BGRA_COMP)), copy_bc4_program(MakeProgram(OPENGL_COPY_BC4_COMP)) { + // TODO: Load shader string as a header + std::string astc_path = "astc_decoder.comp"; + std::ifstream t(astc_path); + std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>()); + astc_decoder_program = MakeProgram(str); + MakeBuffers(); +} + +UtilShaders::~UtilShaders() = default; + +void UtilShaders::MakeBuffers() { const auto swizzle_table = Tegra::Texture::MakeSwizzleTable(); swizzle_table_buffer.Create(); glNamedBufferStorage(swizzle_table_buffer.handle, sizeof(swizzle_table), &swizzle_table, 0); + + astc_encodings_buffer.Create(); + glNamedBufferStorage(astc_encodings_buffer.handle, sizeof(EncodingsValues), &EncodingsValues, + 0); + replicate_6_to_8_buffer.Create(); + glNamedBufferStorage(replicate_6_to_8_buffer.handle, sizeof(REPLICATE_6_BIT_TO_8_TABLE), + &REPLICATE_6_BIT_TO_8_TABLE, 0); + replicate_7_to_8_buffer.Create(); + glNamedBufferStorage(replicate_7_to_8_buffer.handle, sizeof(REPLICATE_7_BIT_TO_8_TABLE), + &REPLICATE_7_BIT_TO_8_TABLE, 0); + replicate_8_to_8_buffer.Create(); + glNamedBufferStorage(replicate_8_to_8_buffer.handle, sizeof(REPLICATE_8_BIT_TO_8_TABLE), + &REPLICATE_8_BIT_TO_8_TABLE, 0); + replicate_byte_to_16_buffer.Create(); + glNamedBufferStorage(replicate_byte_to_16_buffer.handle, sizeof(REPLICATE_BYTE_TO_16_TABLE), + &REPLICATE_BYTE_TO_16_TABLE, 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_6_TO_8_BUFFER = 3; + static constexpr GLuint BINDING_7_TO_8_BUFFER = 4; + static constexpr GLuint BINDING_8_TO_8_BUFFER = 5; + static constexpr GLuint BINDING_BYTE_TO_16_BUFFER = 6; + + static constexpr GLuint BINDING_OUTPUT_IMAGE = 0; + static constexpr GLuint LOC_NUM_IMAGE_BLOCKS = 0; + static constexpr GLuint LOC_BLOCK_DIMS = 1; + static constexpr GLuint LOC_LAYER = 2; + + const Extent3D tile_size = { + VideoCore::Surface::DefaultBlockWidth(image.info.format), + VideoCore::Surface::DefaultBlockHeight(image.info.format), + }; + program_manager.BindHostCompute(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_encodings_buffer.handle); + glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_6_TO_8_BUFFER, + replicate_6_to_8_buffer.handle); + glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_7_TO_8_BUFFER, + replicate_7_to_8_buffer.handle); + glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_8_TO_8_BUFFER, + replicate_8_to_8_buffer.handle); + glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_BYTE_TO_16_BUFFER, + replicate_byte_to_16_buffer.handle); + + glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes); + glUniform2ui(LOC_BLOCK_DIMS, tile_size.width, tile_size.height); + + for (u32 layer = 0; layer < image.info.resources.layers; layer++) { + for (const SwizzleParameters& swizzle : swizzles) { + glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_FALSE, + layer, GL_WRITE_ONLY, GL_RGBA8); + const size_t input_offset = swizzle.buffer_offset + map.offset; + const auto num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 32U); + const auto num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 32U); + + glUniform2ui(LOC_NUM_IMAGE_BLOCKS, swizzle.num_tiles.width, swizzle.num_tiles.height); + glUniform1ui(LOC_LAYER, layer); + + // To unswizzle the ASTC data + const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info); + glUniform3uiv(3, 1, params.origin.data()); + glUniform3iv(4, 1, params.destination.data()); + glUniform1ui(5, params.bytes_per_block_log2); + glUniform1ui(6, params.layer_stride); + glUniform1ui(7, params.block_size); + glUniform1ui(8, params.x_shift); + glUniform1ui(9, params.block_height); + glUniform1ui(10, params.block_height_mask); + + // ASTC texture data + glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, + input_offset, image.guest_size_bytes - swizzle.buffer_offset); + + glDispatchCompute(num_dispatches_x, num_dispatches_y, 1); + } + } + program_manager.RestoreGuestCompute(); +} void UtilShaders::BlockLinearUpload2D(Image& image, const ImageBufferMap& map, std::span<const SwizzleParameters> swizzles) { |