323 lines
16 KiB
C++
Executable File
323 lines
16 KiB
C++
Executable File
// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <span>
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#include <string_view>
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#include <glad/glad.h>
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#include "common/assert.h"
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#include "common/common_types.h"
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#include "common/div_ceil.h"
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#include "video_core/host_shaders/astc_decoder_comp.h"
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#include "video_core/host_shaders/block_linear_unswizzle_2d_comp.h"
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#include "video_core/host_shaders/block_linear_unswizzle_3d_comp.h"
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#include "video_core/host_shaders/convert_msaa_to_non_msaa_comp.h"
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#include "video_core/host_shaders/convert_non_msaa_to_msaa_comp.h"
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#include "video_core/host_shaders/opengl_convert_s8d24_comp.h"
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#include "video_core/host_shaders/opengl_copy_bc4_comp.h"
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#include "video_core/host_shaders/pitch_unswizzle_comp.h"
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#include "video_core/renderer_opengl/gl_shader_manager.h"
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#include "video_core/renderer_opengl/gl_shader_util.h"
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#include "video_core/renderer_opengl/gl_staging_buffer_pool.h"
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#include "video_core/renderer_opengl/gl_texture_cache.h"
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#include "video_core/renderer_opengl/util_shaders.h"
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#include "video_core/texture_cache/accelerated_swizzle.h"
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#include "video_core/texture_cache/types.h"
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#include "video_core/texture_cache/util.h"
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#include "video_core/textures/astc.h"
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#include "video_core/textures/decoders.h"
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namespace OpenGL {
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using namespace HostShaders;
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using namespace Tegra::Texture::ASTC;
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using VideoCommon::Extent2D;
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using VideoCommon::Extent3D;
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using VideoCommon::ImageCopy;
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using VideoCommon::ImageType;
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using VideoCommon::SwizzleParameters;
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using VideoCommon::Accelerated::MakeBlockLinearSwizzle2DParams;
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using VideoCommon::Accelerated::MakeBlockLinearSwizzle3DParams;
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using VideoCore::Surface::BytesPerBlock;
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namespace {
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OGLProgram MakeProgram(std::string_view source) {
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return CreateProgram(source, GL_COMPUTE_SHADER);
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}
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} // Anonymous namespace
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UtilShaders::UtilShaders(ProgramManager& program_manager_)
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: program_manager{program_manager_}, astc_decoder_program(MakeProgram(ASTC_DECODER_COMP)),
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block_linear_unswizzle_2d_program(MakeProgram(BLOCK_LINEAR_UNSWIZZLE_2D_COMP)),
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block_linear_unswizzle_3d_program(MakeProgram(BLOCK_LINEAR_UNSWIZZLE_3D_COMP)),
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pitch_unswizzle_program(MakeProgram(PITCH_UNSWIZZLE_COMP)),
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copy_bc4_program(MakeProgram(OPENGL_COPY_BC4_COMP)),
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convert_s8d24_program(MakeProgram(OPENGL_CONVERT_S8D24_COMP)),
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convert_ms_to_nonms_program(MakeProgram(CONVERT_MSAA_TO_NON_MSAA_COMP)),
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convert_nonms_to_ms_program(MakeProgram(CONVERT_NON_MSAA_TO_MSAA_COMP)) {
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const auto swizzle_table = Tegra::Texture::MakeSwizzleTable();
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swizzle_table_buffer.Create();
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glNamedBufferStorage(swizzle_table_buffer.handle, sizeof(swizzle_table), &swizzle_table, 0);
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}
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UtilShaders::~UtilShaders() = default;
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void UtilShaders::ASTCDecode(Image& image, const StagingBufferMap& 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_OUTPUT_IMAGE = 0;
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program_manager.LocalMemoryWarmup();
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const Extent2D tile_size{
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.width = VideoCore::Surface::DefaultBlockWidth(image.info.format),
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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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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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const size_t input_offset = swizzle.buffer_offset + map.offset;
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const u32 num_dispatches_x = Common::DivCeil(swizzle.num_tiles.width, 8U);
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const u32 num_dispatches_y = Common::DivCeil(swizzle.num_tiles.height, 8U);
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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.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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image.guest_size_bytes - swizzle.buffer_offset);
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glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_TRUE, 0,
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GL_WRITE_ONLY, GL_RGBA8);
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glDispatchCompute(num_dispatches_x, num_dispatches_y, image.info.resources.layers);
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}
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// Precautionary barrier to ensure the compute shader is done decoding prior to texture access.
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// GL_TEXTURE_FETCH_BARRIER_BIT and GL_SHADER_IMAGE_ACCESS_BARRIER_BIT are used in a separate
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// glMemoryBarrier call by the texture cache runtime
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glMemoryBarrier(GL_UNIFORM_BARRIER_BIT | GL_COMMAND_BARRIER_BIT | GL_PIXEL_BUFFER_BARRIER_BIT |
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GL_TEXTURE_UPDATE_BARRIER_BIT | GL_BUFFER_UPDATE_BARRIER_BIT |
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GL_SHADER_STORAGE_BARRIER_BIT | GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::BlockLinearUpload2D(Image& image, const StagingBufferMap& map,
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std::span<const SwizzleParameters> swizzles) {
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static constexpr Extent3D WORKGROUP_SIZE{32, 32, 1};
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static constexpr GLuint BINDING_SWIZZLE_BUFFER = 0;
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static constexpr GLuint BINDING_INPUT_BUFFER = 1;
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static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
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program_manager.BindComputeProgram(block_linear_unswizzle_2d_program.handle);
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glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes);
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_SWIZZLE_BUFFER, swizzle_table_buffer.handle);
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const GLenum store_format = StoreFormat(BytesPerBlock(image.info.format));
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for (const SwizzleParameters& swizzle : swizzles) {
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const Extent3D num_tiles = swizzle.num_tiles;
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const size_t input_offset = swizzle.buffer_offset + map.offset;
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const u32 num_dispatches_x = Common::DivCeil(num_tiles.width, WORKGROUP_SIZE.width);
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const u32 num_dispatches_y = Common::DivCeil(num_tiles.height, WORKGROUP_SIZE.height);
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const auto params = MakeBlockLinearSwizzle2DParams(swizzle, image.info);
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glUniform3uiv(0, 1, params.origin.data());
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glUniform3iv(1, 1, params.destination.data());
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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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glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,
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image.guest_size_bytes - swizzle.buffer_offset);
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glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_TRUE, 0,
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GL_WRITE_ONLY, store_format);
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glDispatchCompute(num_dispatches_x, num_dispatches_y, image.info.resources.layers);
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}
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::BlockLinearUpload3D(Image& image, const StagingBufferMap& map,
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std::span<const SwizzleParameters> swizzles) {
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static constexpr Extent3D WORKGROUP_SIZE{16, 8, 8};
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static constexpr GLuint BINDING_SWIZZLE_BUFFER = 0;
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static constexpr GLuint BINDING_INPUT_BUFFER = 1;
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static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
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glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes);
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program_manager.BindComputeProgram(block_linear_unswizzle_3d_program.handle);
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glBindBufferBase(GL_SHADER_STORAGE_BUFFER, BINDING_SWIZZLE_BUFFER, swizzle_table_buffer.handle);
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const GLenum store_format = StoreFormat(BytesPerBlock(image.info.format));
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for (const SwizzleParameters& swizzle : swizzles) {
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const Extent3D num_tiles = swizzle.num_tiles;
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const size_t input_offset = swizzle.buffer_offset + map.offset;
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const u32 num_dispatches_x = Common::DivCeil(num_tiles.width, WORKGROUP_SIZE.width);
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const u32 num_dispatches_y = Common::DivCeil(num_tiles.height, WORKGROUP_SIZE.height);
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const u32 num_dispatches_z = Common::DivCeil(num_tiles.depth, WORKGROUP_SIZE.depth);
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const auto params = MakeBlockLinearSwizzle3DParams(swizzle, image.info);
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glUniform3uiv(0, 1, params.origin.data());
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glUniform3iv(1, 1, params.destination.data());
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glUniform1ui(2, params.bytes_per_block_log2);
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glUniform1ui(3, params.slice_size);
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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(8, params.block_depth);
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glUniform1ui(9, params.block_depth_mask);
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glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,
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image.guest_size_bytes - swizzle.buffer_offset);
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glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), swizzle.level, GL_TRUE, 0,
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GL_WRITE_ONLY, store_format);
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glDispatchCompute(num_dispatches_x, num_dispatches_y, num_dispatches_z);
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}
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::PitchUpload(Image& image, const StagingBufferMap& map,
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std::span<const SwizzleParameters> swizzles) {
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static constexpr Extent3D WORKGROUP_SIZE{32, 32, 1};
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static constexpr GLuint BINDING_INPUT_BUFFER = 0;
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static constexpr GLuint BINDING_OUTPUT_IMAGE = 0;
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static constexpr GLuint LOC_ORIGIN = 0;
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static constexpr GLuint LOC_DESTINATION = 1;
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static constexpr GLuint LOC_BYTES_PER_BLOCK = 2;
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static constexpr GLuint LOC_PITCH = 3;
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const u32 bytes_per_block = BytesPerBlock(image.info.format);
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const GLenum format = StoreFormat(bytes_per_block);
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const u32 pitch = image.info.pitch;
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UNIMPLEMENTED_IF_MSG(!std::has_single_bit(bytes_per_block),
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"Non-power of two images are not implemented");
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program_manager.BindComputeProgram(pitch_unswizzle_program.handle);
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glFlushMappedNamedBufferRange(map.buffer, map.offset, image.guest_size_bytes);
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glUniform2ui(LOC_ORIGIN, 0, 0);
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glUniform2i(LOC_DESTINATION, 0, 0);
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glUniform1ui(LOC_BYTES_PER_BLOCK, bytes_per_block);
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glUniform1ui(LOC_PITCH, pitch);
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glBindImageTexture(BINDING_OUTPUT_IMAGE, image.StorageHandle(), 0, GL_FALSE, 0, GL_WRITE_ONLY,
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format);
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for (const SwizzleParameters& swizzle : swizzles) {
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const Extent3D num_tiles = swizzle.num_tiles;
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const size_t input_offset = swizzle.buffer_offset + map.offset;
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const u32 num_dispatches_x = Common::DivCeil(num_tiles.width, WORKGROUP_SIZE.width);
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const u32 num_dispatches_y = Common::DivCeil(num_tiles.height, WORKGROUP_SIZE.height);
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glBindBufferRange(GL_SHADER_STORAGE_BUFFER, BINDING_INPUT_BUFFER, map.buffer, input_offset,
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image.guest_size_bytes - swizzle.buffer_offset);
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glDispatchCompute(num_dispatches_x, num_dispatches_y, 1);
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}
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::CopyBC4(Image& dst_image, Image& src_image, std::span<const ImageCopy> copies) {
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static constexpr GLuint BINDING_INPUT_IMAGE = 0;
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static constexpr GLuint BINDING_OUTPUT_IMAGE = 1;
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static constexpr GLuint LOC_SRC_OFFSET = 0;
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static constexpr GLuint LOC_DST_OFFSET = 1;
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program_manager.BindComputeProgram(copy_bc4_program.handle);
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for (const ImageCopy& copy : copies) {
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ASSERT(copy.src_subresource.base_layer == 0);
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ASSERT(copy.src_subresource.num_layers == 1);
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ASSERT(copy.dst_subresource.base_layer == 0);
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ASSERT(copy.dst_subresource.num_layers == 1);
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glUniform3ui(LOC_SRC_OFFSET, copy.src_offset.x, copy.src_offset.y, copy.src_offset.z);
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glUniform3ui(LOC_DST_OFFSET, copy.dst_offset.x, copy.dst_offset.y, copy.dst_offset.z);
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glBindImageTexture(BINDING_INPUT_IMAGE, src_image.StorageHandle(),
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copy.src_subresource.base_level, GL_TRUE, 0, GL_READ_ONLY, GL_RG32UI);
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glBindImageTexture(BINDING_OUTPUT_IMAGE, dst_image.StorageHandle(),
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copy.dst_subresource.base_level, GL_TRUE, 0, GL_WRITE_ONLY, GL_RGBA8UI);
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glDispatchCompute(copy.extent.width, copy.extent.height, copy.extent.depth);
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}
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::ConvertS8D24(Image& dst_image, std::span<const ImageCopy> copies) {
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static constexpr GLuint BINDING_DESTINATION = 0;
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static constexpr GLuint LOC_SIZE = 0;
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program_manager.BindComputeProgram(convert_s8d24_program.handle);
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for (const ImageCopy& copy : copies) {
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ASSERT(copy.src_subresource.base_layer == 0);
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ASSERT(copy.src_subresource.num_layers == 1);
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ASSERT(copy.dst_subresource.base_layer == 0);
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ASSERT(copy.dst_subresource.num_layers == 1);
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glUniform3ui(LOC_SIZE, copy.extent.width, copy.extent.height, copy.extent.depth);
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glBindImageTexture(BINDING_DESTINATION, dst_image.StorageHandle(),
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copy.dst_subresource.base_level, GL_TRUE, 0, GL_READ_WRITE, GL_RGBA8UI);
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glDispatchCompute(Common::DivCeil(copy.extent.width, 16u),
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Common::DivCeil(copy.extent.height, 8u), copy.extent.depth);
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}
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program_manager.RestoreGuestCompute();
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}
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void UtilShaders::CopyMSAA(Image& dst_image, Image& src_image,
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std::span<const VideoCommon::ImageCopy> copies) {
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const bool is_ms_to_non_ms = src_image.info.num_samples > 1 && dst_image.info.num_samples == 1;
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const auto program_handle =
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is_ms_to_non_ms ? convert_ms_to_nonms_program.handle : convert_nonms_to_ms_program.handle;
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program_manager.BindComputeProgram(program_handle);
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for (const ImageCopy& copy : copies) {
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ASSERT(copy.src_subresource.base_layer == 0);
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ASSERT(copy.src_subresource.num_layers == 1);
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ASSERT(copy.dst_subresource.base_layer == 0);
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ASSERT(copy.dst_subresource.num_layers == 1);
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glBindImageTexture(0, src_image.StorageHandle(), copy.src_subresource.base_level, GL_TRUE,
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0, GL_READ_ONLY, GL_RGBA8);
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glBindImageTexture(1, dst_image.StorageHandle(), copy.dst_subresource.base_level, GL_TRUE,
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0, GL_WRITE_ONLY, GL_RGBA8);
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const u32 num_dispatches_x = Common::DivCeil(copy.extent.width, 8U);
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const u32 num_dispatches_y = Common::DivCeil(copy.extent.height, 8U);
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const u32 num_dispatches_z = copy.extent.depth;
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glDispatchCompute(num_dispatches_x, num_dispatches_y, num_dispatches_z);
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}
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program_manager.RestoreGuestCompute();
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}
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GLenum StoreFormat(u32 bytes_per_block) {
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switch (bytes_per_block) {
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case 1:
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return GL_R8UI;
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case 2:
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return GL_R16UI;
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case 4:
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return GL_R32UI;
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case 8:
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return GL_RG32UI;
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case 16:
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return GL_RGBA32UI;
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}
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ASSERT(false);
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return GL_R8UI;
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}
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} // namespace OpenGL
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