diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_texture_cache.h')
-rw-r--r-- | src/video_core/renderer_opengl/gl_texture_cache.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_texture_cache.h b/src/video_core/renderer_opengl/gl_texture_cache.h new file mode 100644 index 000000000..8e13ab38b --- /dev/null +++ b/src/video_core/renderer_opengl/gl_texture_cache.h @@ -0,0 +1,147 @@ +// Copyright 2019 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <array> +#include <functional> +#include <memory> +#include <unordered_map> +#include <utility> +#include <vector> + +#include <glad/glad.h> + +#include "common/common_types.h" +#include "video_core/engines/shader_bytecode.h" +#include "video_core/renderer_opengl/gl_device.h" +#include "video_core/renderer_opengl/gl_resource_manager.h" +#include "video_core/texture_cache/texture_cache.h" + +namespace OpenGL { + +using VideoCommon::SurfaceParams; +using VideoCommon::ViewParams; + +class CachedSurfaceView; +class CachedSurface; +class TextureCacheOpenGL; + +using Surface = std::shared_ptr<CachedSurface>; +using View = std::shared_ptr<CachedSurfaceView>; +using TextureCacheBase = VideoCommon::TextureCache<Surface, View>; + +class CachedSurface final : public VideoCommon::SurfaceBase<View> { + friend CachedSurfaceView; + +public: + explicit CachedSurface(GPUVAddr gpu_addr, const SurfaceParams& params); + ~CachedSurface(); + + void UploadTexture(const std::vector<u8>& staging_buffer) override; + void DownloadTexture(std::vector<u8>& staging_buffer) override; + + GLenum GetTarget() const { + return target; + } + + GLuint GetTexture() const { + return texture.handle; + } + +protected: + void DecorateSurfaceName() override; + + View CreateView(const ViewParams& view_key) override; + View CreateViewInner(const ViewParams& view_key, bool is_proxy); + +private: + void UploadTextureMipmap(u32 level, const std::vector<u8>& staging_buffer); + + GLenum internal_format{}; + GLenum format{}; + GLenum type{}; + bool is_compressed{}; + GLenum target{}; + u32 view_count{}; + + OGLTexture texture; + OGLBuffer texture_buffer; +}; + +class CachedSurfaceView final : public VideoCommon::ViewBase { +public: + explicit CachedSurfaceView(CachedSurface& surface, const ViewParams& params, bool is_proxy); + ~CachedSurfaceView(); + + /// Attaches this texture view to the current bound GL_DRAW_FRAMEBUFFER + void Attach(GLenum attachment, GLenum target) const; + + void ApplySwizzle(Tegra::Texture::SwizzleSource x_source, + Tegra::Texture::SwizzleSource y_source, + Tegra::Texture::SwizzleSource z_source, + Tegra::Texture::SwizzleSource w_source); + + void DecorateViewName(GPUVAddr gpu_addr, std::string prefix); + + void MarkAsModified(u64 tick) { + surface.MarkAsModified(true, tick); + } + + GLuint GetTexture() const { + if (is_proxy) { + return surface.GetTexture(); + } + return texture_view.handle; + } + + const SurfaceParams& GetSurfaceParams() const { + return surface.GetSurfaceParams(); + } + +private: + u32 EncodeSwizzle(Tegra::Texture::SwizzleSource x_source, + Tegra::Texture::SwizzleSource y_source, + Tegra::Texture::SwizzleSource z_source, + Tegra::Texture::SwizzleSource w_source) const { + return (static_cast<u32>(x_source) << 24) | (static_cast<u32>(y_source) << 16) | + (static_cast<u32>(z_source) << 8) | static_cast<u32>(w_source); + } + + OGLTextureView CreateTextureView() const; + + CachedSurface& surface; + GLenum target{}; + + OGLTextureView texture_view; + u32 swizzle{}; + bool is_proxy{}; +}; + +class TextureCacheOpenGL final : public TextureCacheBase { +public: + explicit TextureCacheOpenGL(Core::System& system, VideoCore::RasterizerInterface& rasterizer, + const Device& device); + ~TextureCacheOpenGL(); + +protected: + Surface CreateSurface(GPUVAddr gpu_addr, const SurfaceParams& params) override; + + void ImageCopy(Surface& src_surface, Surface& dst_surface, + const VideoCommon::CopyParams& copy_params) override; + + void ImageBlit(View& src_view, View& dst_view, + const Tegra::Engines::Fermi2D::Config& copy_config) override; + + void BufferCopy(Surface& src_surface, Surface& dst_surface) override; + +private: + GLuint FetchPBO(std::size_t buffer_size); + + OGLFramebuffer src_framebuffer; + OGLFramebuffer dst_framebuffer; + std::unordered_map<u32, OGLBuffer> copy_pbo_cache; +}; + +} // namespace OpenGL |