rpcsx/rpcs3/Emu/RSX/GL/GLGSRender.h
2022-03-26 16:10:18 +03:00

201 lines
6.2 KiB
C++

#pragma once
#include "Emu/RSX/GSRender.h"
#include "GLHelpers.h"
#include "GLTexture.h"
#include "GLTextureCache.h"
#include "GLRenderTargets.h"
#include "GLProgramBuffer.h"
#include "GLTextOut.h"
#include "GLOverlays.h"
#include "GLShaderInterpreter.h"
#include <optional>
#include <unordered_map>
#ifdef _WIN32
#pragma comment(lib, "opengl32.lib")
#endif
namespace gl
{
using vertex_cache = rsx::vertex_cache::default_vertex_cache<rsx::vertex_cache::uploaded_range<GLenum>, GLenum>;
using weak_vertex_cache = rsx::vertex_cache::weak_vertex_cache<GLenum>;
using null_vertex_cache = vertex_cache;
using shader_cache = rsx::shaders_cache<void*, GLProgramBuffer>;
struct vertex_upload_info
{
u32 vertex_draw_count;
u32 allocated_vertex_count;
u32 first_vertex;
u32 vertex_index_base;
u32 vertex_index_offset;
u32 persistent_mapping_offset;
u32 volatile_mapping_offset;
std::optional<std::tuple<GLenum, u32> > index_info;
};
struct work_item
{
u32 address_to_flush = 0;
gl::texture_cache::thrashed_set section_data;
volatile bool processed = false;
volatile bool result = false;
volatile bool received = false;
void producer_wait()
{
while (!processed)
{
std::this_thread::yield();
}
received = true;
}
};
struct present_surface_info
{
u32 address;
u32 format;
u32 width;
u32 height;
u32 pitch;
};
}
class GLGSRender : public GSRender, public ::rsx::reports::ZCULL_control
{
private:
gl::sampler_state m_fs_sampler_states[rsx::limits::fragment_textures_count]; // Fragment textures
gl::sampler_state m_fs_sampler_mirror_states[rsx::limits::fragment_textures_count]; // Alternate views of fragment textures with different format (e.g Depth vs Stencil for D24S8)
gl::sampler_state m_vs_sampler_states[rsx::limits::vertex_textures_count]; // Vertex textures
gl::glsl::program *m_program = nullptr;
const GLFragmentProgram *m_fragment_prog = nullptr;
const GLVertexProgram *m_vertex_prog = nullptr;
u32 m_interpreter_state = 0;
gl::shader_interpreter m_shader_interpreter;
gl_render_targets m_rtts;
gl::texture_cache m_gl_texture_cache;
gl::buffer_view m_persistent_stream_view;
gl::buffer_view m_volatile_stream_view;
std::unique_ptr<gl::texture> m_gl_persistent_stream_buffer;
std::unique_ptr<gl::texture> m_gl_volatile_stream_buffer;
std::unique_ptr<gl::ring_buffer> m_attrib_ring_buffer;
std::unique_ptr<gl::ring_buffer> m_fragment_constants_buffer;
std::unique_ptr<gl::ring_buffer> m_transform_constants_buffer;
std::unique_ptr<gl::ring_buffer> m_fragment_env_buffer;
std::unique_ptr<gl::ring_buffer> m_vertex_env_buffer;
std::unique_ptr<gl::ring_buffer> m_texture_parameters_buffer;
std::unique_ptr<gl::ring_buffer> m_vertex_layout_buffer;
std::unique_ptr<gl::ring_buffer> m_index_ring_buffer;
std::unique_ptr<gl::ring_buffer> m_vertex_instructions_buffer;
std::unique_ptr<gl::ring_buffer> m_fragment_instructions_buffer;
std::unique_ptr<gl::ring_buffer> m_raster_env_ring_buffer;
// Identity buffer used to fix broken gl_VertexID on ATI stack
std::unique_ptr<gl::buffer> m_identity_index_buffer;
std::unique_ptr<gl::vertex_cache> m_vertex_cache;
std::unique_ptr<gl::shader_cache> m_shaders_cache;
GLint m_min_texbuffer_alignment = 256;
GLint m_uniform_buffer_offset_align = 256;
GLint m_max_texbuffer_size = 65536;
bool manually_flush_ring_buffers = false;
gl::text_writer m_text_printer;
gl::ui_overlay_renderer m_ui_renderer;
gl::video_out_calibration_pass m_video_output_pass;
shared_mutex queue_guard;
std::list<gl::work_item> work_queue;
GLProgramBuffer m_prog_buffer;
//buffer
gl::fbo* m_draw_fbo = nullptr;
std::list<gl::framebuffer_holder> m_framebuffer_cache;
gl::fbo m_flip_fbo;
std::unique_ptr<gl::texture> m_flip_tex_color;
//vaos are mandatory for core profile
gl::vao m_vao;
shared_mutex m_sampler_mutex;
atomic_t<bool> m_samplers_dirty = {true};
std::array<std::unique_ptr<rsx::sampled_image_descriptor_base>, rsx::limits::fragment_textures_count> fs_sampler_state = {};
std::array<std::unique_ptr<rsx::sampled_image_descriptor_base>, rsx::limits::vertex_textures_count> vs_sampler_state = {};
std::unordered_map<GLenum, std::unique_ptr<gl::texture>> m_null_textures;
std::vector<u8> m_scratch_buffer;
// Occlusion query type, can be SAMPLES_PASSED or ANY_SAMPLES_PASSED
GLenum m_occlusion_type = GL_ANY_SAMPLES_PASSED;
public:
u64 get_cycles() final;
GLGSRender();
private:
gl::driver_state gl_state;
// Return element to draw and in case of indexed draw index type and offset in index buffer
gl::vertex_upload_info set_vertex_buffer();
rsx::vertex_input_layout m_vertex_layout = {};
void init_buffers(rsx::framebuffer_creation_context context, bool skip_reading = false);
bool load_program();
void load_program_env();
void update_vertex_env(const gl::vertex_upload_info& upload_info);
void update_draw_state();
void load_texture_env();
void bind_texture_env();
gl::texture* get_present_source(gl::present_surface_info* info, const rsx::avconf& avconfig);
public:
void set_viewport();
void set_scissor(bool clip_viewport);
gl::work_item& post_flush_request(u32 address, gl::texture_cache::thrashed_set& flush_data);
bool scaled_image_from_memory(rsx::blit_src_info& src_info, rsx::blit_dst_info& dst_info, bool interpolate) override;
void begin_occlusion_query(rsx::reports::occlusion_query_info* query) override;
void end_occlusion_query(rsx::reports::occlusion_query_info* query) override;
bool check_occlusion_query_status(rsx::reports::occlusion_query_info* query) override;
void get_occlusion_query_result(rsx::reports::occlusion_query_info* query) override;
void discard_occlusion_query(rsx::reports::occlusion_query_info* query) override;
protected:
void clear_surface(u32 arg) override;
void begin() override;
void end() override;
void emit_geometry(u32 sub_index) override;
void on_init_thread() override;
void on_exit() override;
void flip(const rsx::display_flip_info_t& info) override;
void do_local_task(rsx::FIFO_state state) override;
bool on_access_violation(u32 address, bool is_writing) override;
void on_invalidate_memory_range(const utils::address_range &range, rsx::invalidation_cause cause) override;
void notify_tile_unbound(u32 tile) override;
void on_semaphore_acquire_wait() override;
};