diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_texture_cache.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_texture_cache.cpp | 514 |
1 files changed, 514 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.cpp b/src/video_core/renderer_opengl/gl_texture_cache.cpp new file mode 100644 index 000000000..3a456995e --- /dev/null +++ b/src/video_core/renderer_opengl/gl_texture_cache.cpp @@ -0,0 +1,514 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "common/assert.h" +#include "common/common_types.h" +#include "common/scope_exit.h" +#include "video_core/morton.h" +#include "video_core/renderer_opengl/gl_resource_manager.h" +#include "video_core/renderer_opengl/gl_texture_cache.h" +#include "video_core/texture_cache.h" +#include "video_core/textures/convert.h" +#include "video_core/textures/texture.h" + +namespace OpenGL { + +using Tegra::Texture::ConvertFromGuestToHost; +using Tegra::Texture::SwizzleSource; +using VideoCore::MortonSwizzleMode; + +namespace { + +struct FormatTuple { + GLint internal_format; + GLenum format; + GLenum type; + ComponentType component_type; + bool compressed; +}; + +constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> tex_format_tuples = {{ + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, false}, // ABGR8U + {GL_RGBA8, GL_RGBA, GL_BYTE, ComponentType::SNorm, false}, // ABGR8S + {GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, ComponentType::UInt, false}, // ABGR8UI + {GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, ComponentType::UNorm, false}, // B5G6R5U + {GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, ComponentType::UNorm, + false}, // A2B10G10R10U + {GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, ComponentType::UNorm, false}, // A1B5G5R5U + {GL_R8, GL_RED, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // R8U + {GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, ComponentType::UInt, false}, // R8UI + {GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, ComponentType::Float, false}, // RGBA16F + {GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // RGBA16U + {GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // RGBA16UI + {GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, ComponentType::Float, + false}, // R11FG11FB10F + {GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // RGBA32UI + {GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT1 + {GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT23 + {GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT45 + {GL_COMPRESSED_RED_RGTC1, GL_RED, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, true}, // DXN1 + {GL_COMPRESSED_RG_RGTC2, GL_RG, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXN2UNORM + {GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_INT, ComponentType::SNorm, true}, // DXN2SNORM + {GL_COMPRESSED_RGBA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // BC7U + {GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, ComponentType::Float, + true}, // BC6H_UF16 + {GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, GL_RGB, GL_UNSIGNED_INT_8_8_8_8, ComponentType::Float, + true}, // BC6H_SF16 + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4 + {GL_RGBA8, GL_BGRA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // BGRA8 + {GL_RGBA32F, GL_RGBA, GL_FLOAT, ComponentType::Float, false}, // RGBA32F + {GL_RG32F, GL_RG, GL_FLOAT, ComponentType::Float, false}, // RG32F + {GL_R32F, GL_RED, GL_FLOAT, ComponentType::Float, false}, // R32F + {GL_R16F, GL_RED, GL_HALF_FLOAT, ComponentType::Float, false}, // R16F + {GL_R16, GL_RED, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // R16U + {GL_R16_SNORM, GL_RED, GL_SHORT, ComponentType::SNorm, false}, // R16S + {GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // R16UI + {GL_R16I, GL_RED_INTEGER, GL_SHORT, ComponentType::SInt, false}, // R16I + {GL_RG16, GL_RG, GL_UNSIGNED_SHORT, ComponentType::UNorm, false}, // RG16 + {GL_RG16F, GL_RG, GL_HALF_FLOAT, ComponentType::Float, false}, // RG16F + {GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, ComponentType::UInt, false}, // RG16UI + {GL_RG16I, GL_RG_INTEGER, GL_SHORT, ComponentType::SInt, false}, // RG16I + {GL_RG16_SNORM, GL_RG, GL_SHORT, ComponentType::SNorm, false}, // RG16S + {GL_RGB32F, GL_RGB, GL_FLOAT, ComponentType::Float, false}, // RGB32F + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, ComponentType::UNorm, + false}, // RGBA8_SRGB + {GL_RG8, GL_RG, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // RG8U + {GL_RG8, GL_RG, GL_BYTE, ComponentType::SNorm, false}, // RG8S + {GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // RG32UI + {GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, ComponentType::UInt, false}, // R32UI + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X8 + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X5 + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X4 + {GL_SRGB8_ALPHA8, GL_BGRA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // BGRA8 + // Compressed sRGB formats + {GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT1_SRGB + {GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT23_SRGB + {GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // DXT45_SRGB + {GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, ComponentType::UNorm, + true}, // BC7U_SRGB + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_4X4_SRGB + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X8_SRGB + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_8X5_SRGB + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X4_SRGB + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X5 + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_5X5_SRGB + {GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X8 + {GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, ComponentType::UNorm, false}, // ASTC_2D_10X8_SRGB + + // Depth formats + {GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, ComponentType::Float, false}, // Z32F + {GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, ComponentType::UNorm, + false}, // Z16 + + // DepthStencil formats + {GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, ComponentType::UNorm, + false}, // Z24S8 + {GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, ComponentType::UNorm, + false}, // S8Z24 + {GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, + ComponentType::Float, false}, // Z32FS8 +}}; + +const FormatTuple& GetFormatTuple(PixelFormat pixel_format, ComponentType component_type) { + ASSERT(static_cast<std::size_t>(pixel_format) < tex_format_tuples.size()); + const auto& format{tex_format_tuples[static_cast<std::size_t>(pixel_format)]}; + ASSERT(component_type == format.component_type); + return format; +} + +GLenum GetTextureTarget(const SurfaceParams& params) { + switch (params.GetTarget()) { + case SurfaceTarget::Texture1D: + return GL_TEXTURE_1D; + case SurfaceTarget::Texture2D: + return GL_TEXTURE_2D; + case SurfaceTarget::Texture3D: + return GL_TEXTURE_3D; + case SurfaceTarget::Texture1DArray: + return GL_TEXTURE_1D_ARRAY; + case SurfaceTarget::Texture2DArray: + return GL_TEXTURE_2D_ARRAY; + case SurfaceTarget::TextureCubemap: + return GL_TEXTURE_CUBE_MAP; + case SurfaceTarget::TextureCubeArray: + return GL_TEXTURE_CUBE_MAP_ARRAY; + } + UNREACHABLE(); + return {}; +} + +GLint GetSwizzleSource(SwizzleSource source) { + switch (source) { + case SwizzleSource::Zero: + return GL_ZERO; + case SwizzleSource::R: + return GL_RED; + case SwizzleSource::G: + return GL_GREEN; + case SwizzleSource::B: + return GL_BLUE; + case SwizzleSource::A: + return GL_ALPHA; + case SwizzleSource::OneInt: + case SwizzleSource::OneFloat: + return GL_ONE; + } + UNREACHABLE(); + return GL_NONE; +} + +void ApplyTextureDefaults(const SurfaceParams& params, GLuint texture) { + glTextureParameteri(texture, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTextureParameteri(texture, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glTextureParameteri(texture, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTextureParameteri(texture, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTextureParameteri(texture, GL_TEXTURE_MAX_LEVEL, params.GetNumLevels() - 1); + if (params.GetNumLevels() == 1) { + glTextureParameterf(texture, GL_TEXTURE_LOD_BIAS, 1000.0f); + } +} + +OGLTexture CreateTexture(const SurfaceParams& params, GLenum internal_format) { + OGLTexture texture; + texture.Create(GetTextureTarget(params)); + + switch (params.GetTarget()) { + case SurfaceTarget::Texture1D: + glTextureStorage1D(texture.handle, params.GetNumLevels(), internal_format, + params.GetWidth()); + break; + case SurfaceTarget::Texture2D: + case SurfaceTarget::TextureCubemap: + glTextureStorage2D(texture.handle, params.GetNumLevels(), internal_format, + params.GetWidth(), params.GetHeight()); + break; + case SurfaceTarget::Texture3D: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubeArray: + glTextureStorage3D(texture.handle, params.GetNumLevels(), internal_format, + params.GetWidth(), params.GetHeight(), params.GetDepth()); + break; + default: + UNREACHABLE(); + } + + ApplyTextureDefaults(params, texture.handle); + + return texture; +} + +void SwizzleFunc(MortonSwizzleMode mode, u8* memory, const SurfaceParams& params, u8* buffer, + u32 level) { + const u32 width{params.GetMipWidth(level)}; + const u32 height{params.GetMipHeight(level)}; + const u32 block_height{params.GetMipBlockHeight(level)}; + const u32 block_depth{params.GetMipBlockDepth(level)}; + + std::size_t guest_offset{params.GetGuestMipmapLevelOffset(level)}; + if (params.IsLayered()) { + std::size_t host_offset{0}; + const std::size_t guest_stride = params.GetGuestLayerSize(); + const std::size_t host_stride = params.GetHostLayerSize(level); + for (u32 layer = 0; layer < params.GetNumLayers(); layer++) { + MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth, + 1, params.GetTileWidthSpacing(), buffer + host_offset, + memory + guest_offset); + guest_offset += guest_stride; + host_offset += host_stride; + } + } else { + MortonSwizzle(mode, params.GetPixelFormat(), width, block_height, height, block_depth, + params.GetMipDepth(level), params.GetTileWidthSpacing(), buffer, + memory + guest_offset); + } +} + +} // Anonymous namespace + +CachedSurface::CachedSurface(const SurfaceParams& params) + : VideoCommon::SurfaceBaseContextless<CachedSurfaceView>{params} { + const auto& tuple{GetFormatTuple(params.GetPixelFormat(), params.GetComponentType())}; + internal_format = tuple.internal_format; + format = tuple.format; + type = tuple.type; + is_compressed = tuple.compressed; + texture = CreateTexture(params, internal_format); + staging_buffer.resize(params.GetHostSizeInBytes()); +} + +CachedSurface::~CachedSurface() = default; + +void CachedSurface::LoadBuffer() { + if (params.IsTiled()) { + ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {} on texture target {}", + params.GetBlockWidth(), static_cast<u32>(params.GetTarget())); + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + u8* const buffer{staging_buffer.data() + params.GetHostMipmapLevelOffset(level)}; + SwizzleFunc(MortonSwizzleMode::MortonToLinear, GetHostPtr(), params, buffer, level); + } + } else { + ASSERT_MSG(params.GetNumLevels() == 1, "Linear mipmap loading is not implemented"); + const u32 bpp{GetFormatBpp(params.GetPixelFormat()) / CHAR_BIT}; + const u32 block_width{VideoCore::Surface::GetDefaultBlockWidth(params.GetPixelFormat())}; + const u32 block_height{VideoCore::Surface::GetDefaultBlockHeight(params.GetPixelFormat())}; + const u32 width{(params.GetWidth() + block_width - 1) / block_width}; + const u32 height{(params.GetHeight() + block_height - 1) / block_height}; + const u32 copy_size{width * bpp}; + if (params.GetPitch() == copy_size) { + std::memcpy(staging_buffer.data(), GetHostPtr(), params.GetHostSizeInBytes()); + } else { + const u8* start{GetHostPtr()}; + u8* write_to{staging_buffer.data()}; + for (u32 h = height; h > 0; --h) { + std::memcpy(write_to, start, copy_size); + start += params.GetPitch(); + write_to += copy_size; + } + } + } + + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + ConvertFromGuestToHost(staging_buffer.data() + params.GetHostMipmapLevelOffset(level), + params.GetPixelFormat(), params.GetMipWidth(level), + params.GetMipHeight(level), params.GetMipDepth(level), true, true); + } +} + +void CachedSurface::FlushBufferImpl() { + if (!IsModified()) { + return; + } + + // TODO(Rodrigo): Optimize alignment + glPixelStorei(GL_PACK_ALIGNMENT, 1); + SCOPE_EXIT({ glPixelStorei(GL_PACK_ROW_LENGTH, 0); }); + + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + glPixelStorei(GL_PACK_ROW_LENGTH, static_cast<GLint>(params.GetMipWidth(level))); + if (is_compressed) { + glGetCompressedTextureImage( + texture.handle, level, static_cast<GLsizei>(params.GetHostMipmapSize(level)), + staging_buffer.data() + params.GetHostMipmapLevelOffset(level)); + } else { + glGetTextureImage(texture.handle, level, format, type, + static_cast<GLsizei>(params.GetHostMipmapSize(level)), + staging_buffer.data() + params.GetHostMipmapLevelOffset(level)); + } + } + + if (params.IsTiled()) { + ASSERT_MSG(params.GetBlockWidth() == 1, "Block width is defined as {}", + params.GetBlockWidth()); + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + u8* const buffer = staging_buffer.data() + params.GetHostMipmapLevelOffset(level); + SwizzleFunc(MortonSwizzleMode::LinearToMorton, GetHostPtr(), params, buffer, level); + } + } else { + UNIMPLEMENTED(); + /* + ASSERT(params.GetTarget() == SurfaceTarget::Texture2D); + ASSERT(params.GetNumLevels() == 1); + + const u32 bpp{params.GetFormatBpp() / 8}; + const u32 copy_size{params.GetWidth() * bpp}; + if (params.GetPitch() == copy_size) { + std::memcpy(host_ptr, staging_buffer.data(), GetSizeInBytes()); + } else { + u8* start{host_ptr}; + const u8* read_to{staging_buffer.data()}; + for (u32 h = params.GetHeight(); h > 0; --h) { + std::memcpy(start, read_to, copy_size); + start += params.GetPitch(); + read_to += copy_size; + } + } + */ + } +} + +void CachedSurface::UploadTextureImpl() { + for (u32 level = 0; level < params.GetNumLevels(); ++level) { + UploadTextureMipmap(level); + } +} + +void CachedSurface::UploadTextureMipmap(u32 level) { + u8* buffer{staging_buffer.data() + params.GetHostMipmapLevelOffset(level)}; + + // TODO(Rodrigo): Optimize alignment + glPixelStorei(GL_UNPACK_ALIGNMENT, 1); + glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(params.GetMipWidth(level))); + SCOPE_EXIT({ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0); }); + + if (is_compressed) { + const auto image_size{static_cast<GLsizei>(params.GetHostMipmapSize(level))}; + GLint expected_size; + glGetTextureLevelParameteriv(texture.handle, level, GL_TEXTURE_COMPRESSED_IMAGE_SIZE, + &expected_size); + switch (params.GetTarget()) { + case SurfaceTarget::Texture2D: + glCompressedTextureSubImage2D(texture.handle, level, 0, 0, + static_cast<GLsizei>(params.GetMipWidth(level)), + static_cast<GLsizei>(params.GetMipHeight(level)), + internal_format, image_size, buffer); + break; + case SurfaceTarget::Texture3D: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubeArray: + glCompressedTextureSubImage3D(texture.handle, level, 0, 0, 0, + static_cast<GLsizei>(params.GetMipWidth(level)), + static_cast<GLsizei>(params.GetMipHeight(level)), + static_cast<GLsizei>(params.GetMipDepth(level)), + internal_format, image_size, buffer); + break; + case SurfaceTarget::TextureCubemap: { + const std::size_t layer_size{params.GetHostLayerSize(level)}; + for (std::size_t face = 0; face < params.GetDepth(); ++face) { + glCompressedTextureSubImage3D(texture.handle, level, 0, 0, static_cast<GLint>(face), + static_cast<GLsizei>(params.GetMipWidth(level)), + static_cast<GLsizei>(params.GetMipHeight(level)), 1, + internal_format, static_cast<GLsizei>(layer_size), + buffer); + buffer += layer_size; + } + break; + } + default: + UNREACHABLE(); + } + } else { + switch (params.GetTarget()) { + case SurfaceTarget::Texture1D: + glTextureSubImage1D(texture.handle, level, 0, params.GetMipWidth(level), format, type, + buffer); + break; + case SurfaceTarget::Texture1DArray: + case SurfaceTarget::Texture2D: + glTextureSubImage2D(texture.handle, level, 0, 0, params.GetMipWidth(level), + params.GetMipHeight(level), format, type, buffer); + break; + case SurfaceTarget::Texture3D: + case SurfaceTarget::Texture2DArray: + case SurfaceTarget::TextureCubeArray: + glTextureSubImage3D( + texture.handle, level, 0, 0, 0, static_cast<GLsizei>(params.GetMipWidth(level)), + static_cast<GLsizei>(params.GetMipHeight(level)), + static_cast<GLsizei>(params.GetMipDepth(level)), format, type, buffer); + break; + case SurfaceTarget::TextureCubemap: + for (std::size_t face = 0; face < params.GetDepth(); ++face) { + glTextureSubImage3D(texture.handle, level, 0, 0, static_cast<GLint>(face), + params.GetMipWidth(level), params.GetMipHeight(level), 1, + format, type, buffer); + buffer += params.GetHostLayerSize(level); + } + break; + default: + UNREACHABLE(); + } + } +} + +std::unique_ptr<CachedSurfaceView> CachedSurface::CreateView(const ViewKey& view_key) { + return std::make_unique<CachedSurfaceView>(*this, view_key); +} + +CachedSurfaceView::CachedSurfaceView(CachedSurface& surface, ViewKey key) + : surface{surface}, key{key}, params{surface.GetSurfaceParams()} {} + +CachedSurfaceView::~CachedSurfaceView() = default; + +GLuint CachedSurfaceView::GetTexture() { + // TODO(Rodrigo): Remove this entry and attach the super texture to the framebuffer through + // legacy API (also dropping Intel driver issues). + if (texture_view_2d.texture.handle == 0) { + texture_view_2d = CreateTextureView(GL_TEXTURE_2D); + } + return texture_view_2d.texture.handle; +} + +GLuint CachedSurfaceView::GetTexture(Tegra::Shader::TextureType texture_type, bool is_array, + SwizzleSource x_source, SwizzleSource y_source, + SwizzleSource z_source, SwizzleSource w_source) { + const auto [texture_view, target] = GetTextureView(texture_type, is_array); + if (texture_view.get().texture.handle == 0) { + texture_view.get() = std::move(CreateTextureView(target)); + } + ApplySwizzle(texture_view, x_source, y_source, z_source, w_source); + return texture_view.get().texture.handle; +} + +void CachedSurfaceView::ApplySwizzle(TextureView& texture_view, SwizzleSource x_source, + SwizzleSource y_source, SwizzleSource z_source, + SwizzleSource w_source) { + const std::array<SwizzleSource, 4> swizzle = {x_source, y_source, z_source, w_source}; + if (swizzle == texture_view.swizzle) { + return; + } + const std::array<GLint, 4> gl_swizzle = {GetSwizzleSource(x_source), GetSwizzleSource(y_source), + GetSwizzleSource(z_source), + GetSwizzleSource(w_source)}; + glTextureParameteriv(texture_view.texture.handle, GL_TEXTURE_SWIZZLE_RGBA, gl_swizzle.data()); + texture_view.swizzle = swizzle; +} + +CachedSurfaceView::TextureView CachedSurfaceView::CreateTextureView(GLenum target) const { + TextureView texture_view; + glGenTextures(1, &texture_view.texture.handle); + + const GLuint handle{texture_view.texture.handle}; + const FormatTuple& tuple{GetFormatTuple(params.GetPixelFormat(), params.GetComponentType())}; + + glTextureView(handle, target, surface.texture.handle, tuple.internal_format, key.base_level, + key.num_levels, key.base_layer, key.num_layers); + ApplyTextureDefaults(params, handle); + + return texture_view; +} + +std::pair<std::reference_wrapper<CachedSurfaceView::TextureView>, GLenum> +CachedSurfaceView::GetTextureView(Tegra::Shader::TextureType texture_type, bool is_array) { + using Pair = std::pair<std::reference_wrapper<TextureView>, GLenum>; + switch (texture_type) { + case Tegra::Shader::TextureType::Texture1D: + return is_array ? Pair{texture_view_1d_array, GL_TEXTURE_1D_ARRAY} + : Pair{texture_view_1d, GL_TEXTURE_1D}; + case Tegra::Shader::TextureType::Texture2D: + return is_array ? Pair{texture_view_2d_array, GL_TEXTURE_2D_ARRAY} + : Pair{texture_view_2d, GL_TEXTURE_2D}; + case Tegra::Shader::TextureType::Texture3D: + ASSERT(!is_array); + return {texture_view_3d, GL_TEXTURE_3D}; + case Tegra::Shader::TextureType::TextureCube: + return is_array ? Pair{texture_view_cube_array, GL_TEXTURE_CUBE_MAP_ARRAY} + : Pair{texture_view_cube, GL_TEXTURE_CUBE_MAP}; + } + UNREACHABLE(); +} + +TextureCacheOpenGL::TextureCacheOpenGL(Core::System& system, + VideoCore::RasterizerInterface& rasterizer) + : TextureCacheBase{system, rasterizer} {} + +TextureCacheOpenGL::~TextureCacheOpenGL() = default; + +CachedSurfaceView* TextureCacheOpenGL::TryFastGetSurfaceView( + VAddr cpu_addr, u8* host_ptr, const SurfaceParams& params, bool preserve_contents, + const std::vector<CachedSurface*>& overlaps) { + return nullptr; +} + +std::unique_ptr<CachedSurface> TextureCacheOpenGL::CreateSurface(const SurfaceParams& params) { + return std::make_unique<CachedSurface>(params); +} + +} // namespace OpenGL |