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// SPDX-FileCopyrightText: 2015 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <cstddef>
#include <optional>
#include <boost/container/static_vector.hpp>
#include <glad/glad.h>
#include "common/common_types.h"
#include "video_core/control/channel_state_cache.h"
#include "video_core/engines/maxwell_dma.h"
#include "video_core/rasterizer_accelerated.h"
#include "video_core/rasterizer_interface.h"
#include "video_core/renderer_opengl/blit_image.h"
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_device.h"
#include "video_core/renderer_opengl/gl_fence_manager.h"
#include "video_core/renderer_opengl/gl_query_cache.h"
#include "video_core/renderer_opengl/gl_shader_cache.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
namespace Core::Memory {
class Memory;
}
namespace Core::Frontend {
class EmuWindow;
}
namespace Tegra {
class MemoryManager;
}
namespace OpenGL {
struct ScreenInfo;
struct ShaderEntries;
struct BindlessSSBO {
GLuint64EXT address;
GLsizei length;
GLsizei padding;
};
static_assert(sizeof(BindlessSSBO) * CHAR_BIT == 128);
class AccelerateDMA : public Tegra::Engines::AccelerateDMAInterface {
public:
explicit AccelerateDMA(BufferCache& buffer_cache, TextureCache& texture_cache);
bool BufferCopy(GPUVAddr src_address, GPUVAddr dest_address, u64 amount) override;
bool BufferClear(GPUVAddr src_address, u64 amount, u32 value) override;
bool ImageToBuffer(const Tegra::DMA::ImageCopy& copy_info, const Tegra::DMA::ImageOperand& src,
const Tegra::DMA::BufferOperand& dst) override;
bool BufferToImage(const Tegra::DMA::ImageCopy& copy_info, const Tegra::DMA::BufferOperand& src,
const Tegra::DMA::ImageOperand& dst) override;
private:
template <bool IS_IMAGE_UPLOAD>
bool DmaBufferImageCopy(const Tegra::DMA::ImageCopy& copy_info,
const Tegra::DMA::BufferOperand& src,
const Tegra::DMA::ImageOperand& dst);
BufferCache& buffer_cache;
TextureCache& texture_cache;
};
class RasterizerOpenGL : public VideoCore::RasterizerAccelerated,
protected VideoCommon::ChannelSetupCaches<VideoCommon::ChannelInfo> {
public:
explicit RasterizerOpenGL(Core::Frontend::EmuWindow& emu_window_, Tegra::GPU& gpu_,
Core::Memory::Memory& cpu_memory_, const Device& device_,
ScreenInfo& screen_info_, ProgramManager& program_manager_,
StateTracker& state_tracker_);
~RasterizerOpenGL() override;
void Draw(bool is_indexed, u32 instance_count) override;
void DrawIndirect() override;
void DrawTexture() override;
void Clear(u32 layer_count) override;
void DispatchCompute() override;
void ResetCounter(VideoCommon::QueryType type) override;
void Query(GPUVAddr gpu_addr, VideoCommon::QueryType type,
VideoCommon::QueryPropertiesFlags flags, u32 payload, u32 subreport) override;
void BindGraphicsUniformBuffer(size_t stage, u32 index, GPUVAddr gpu_addr, u32 size) override;
void DisableGraphicsUniformBuffer(size_t stage, u32 index) override;
void FlushAll() override;
void FlushRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
bool MustFlushRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
VideoCore::RasterizerDownloadArea GetFlushArea(VAddr addr, u64 size) override;
void InvalidateRegion(VAddr addr, u64 size,
VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void OnCacheInvalidation(VAddr addr, u64 size) override;
bool OnCPUWrite(VAddr addr, u64 size) override;
void InvalidateGPUCache() override;
void UnmapMemory(VAddr addr, u64 size) override;
void ModifyGPUMemory(size_t as_id, GPUVAddr addr, u64 size) override;
void SignalFence(std::function<void()>&& func) override;
void SyncOperation(std::function<void()>&& func) override;
void SignalSyncPoint(u32 value) override;
void SignalReference() override;
void ReleaseFences(bool force = true) override;
void FlushAndInvalidateRegion(
VAddr addr, u64 size, VideoCommon::CacheType which = VideoCommon::CacheType::All) override;
void WaitForIdle() override;
void FragmentBarrier() override;
void TiledCacheBarrier() override;
void FlushCommands() override;
void TickFrame() override;
bool AccelerateConditionalRendering() override;
bool AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Surface& src,
const Tegra::Engines::Fermi2D::Surface& dst,
const Tegra::Engines::Fermi2D::Config& copy_config) override;
Tegra::Engines::AccelerateDMAInterface& AccessAccelerateDMA() override;
void AccelerateInlineToMemory(GPUVAddr address, size_t copy_size,
std::span<const u8> memory) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
void LoadDiskResources(u64 title_id, std::stop_token stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) override;
/// Returns true when there are commands queued to the OpenGL server.
bool AnyCommandQueued() const {
return num_queued_commands > 0;
}
void InitializeChannel(Tegra::Control::ChannelState& channel) override;
void BindChannel(Tegra::Control::ChannelState& channel) override;
void ReleaseChannel(s32 channel_id) override;
void RegisterTransformFeedback(GPUVAddr tfb_object_addr) override;
bool HasDrawTransformFeedback() override {
return true;
}
private:
static constexpr size_t MAX_TEXTURES = 192;
static constexpr size_t MAX_IMAGES = 48;
static constexpr size_t MAX_IMAGE_VIEWS = MAX_TEXTURES + MAX_IMAGES;
template <typename Func>
void PrepareDraw(bool is_indexed, Func&&);
/// Syncs state to match guest's
void SyncState();
/// Syncs the viewport and depth range to match the guest state
void SyncViewport();
/// Syncs the depth clamp state
void SyncDepthClamp();
/// Syncs the clip enabled status to match the guest state
void SyncClipEnabled(u32 clip_mask);
/// Syncs the clip coefficients to match the guest state
void SyncClipCoef();
/// Syncs the cull mode to match the guest state
void SyncCullMode();
/// Syncs the primitive restart to match the guest state
void SyncPrimitiveRestart();
/// Syncs the depth test state to match the guest state
void SyncDepthTestState();
/// Syncs the stencil test state to match the guest state
void SyncStencilTestState();
/// Syncs the blend state to match the guest state
void SyncBlendState();
/// Syncs the LogicOp state to match the guest state
void SyncLogicOpState();
/// Syncs the the color clamp state
void SyncFragmentColorClampState();
/// Syncs the alpha coverage and alpha to one
void SyncMultiSampleState();
/// Syncs the scissor test state to match the guest state
void SyncScissorTest();
/// Syncs the point state to match the guest state
void SyncPointState();
/// Syncs the line state to match the guest state
void SyncLineState();
/// Syncs the rasterizer enable state to match the guest state
void SyncRasterizeEnable();
/// Syncs polygon modes to match the guest state
void SyncPolygonModes();
/// Syncs Color Mask
void SyncColorMask();
/// Syncs the polygon offsets
void SyncPolygonOffset();
/// Syncs the alpha test state to match the guest state
void SyncAlphaTest();
/// Syncs the framebuffer sRGB state to match the guest state
void SyncFramebufferSRGB();
/// Syncs vertex formats to match the guest state
void SyncVertexFormats();
/// Syncs vertex instances to match the guest state
void SyncVertexInstances();
/// Begin a transform feedback
void BeginTransformFeedback(GraphicsPipeline* pipeline, GLenum primitive_mode);
/// End a transform feedback
void EndTransformFeedback();
Tegra::GPU& gpu;
const Device& device;
ScreenInfo& screen_info;
ProgramManager& program_manager;
StateTracker& state_tracker;
StagingBufferPool staging_buffer_pool;
TextureCacheRuntime texture_cache_runtime;
TextureCache texture_cache;
BufferCacheRuntime buffer_cache_runtime;
BufferCache buffer_cache;
ShaderCache shader_cache;
QueryCache query_cache;
AccelerateDMA accelerate_dma;
FenceManagerOpenGL fence_manager;
BlitImageHelper blit_image;
boost::container::static_vector<u32, MAX_IMAGE_VIEWS> image_view_indices;
std::array<ImageViewId, MAX_IMAGE_VIEWS> image_view_ids;
boost::container::static_vector<GLuint, MAX_TEXTURES> sampler_handles;
std::array<GLuint, MAX_TEXTURES> texture_handles{};
std::array<GLuint, MAX_IMAGES> image_handles{};
/// Number of commands queued to the OpenGL driver. Reset on flush.
size_t num_queued_commands = 0;
bool has_written_global_memory = false;
u32 last_clip_distance_mask = 0;
};
} // namespace OpenGL
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