rpcsx/rpcs3/Emu/RSX/GL/GLRenderTargets.h
2019-03-22 21:27:15 +03:00

338 lines
9.4 KiB
C++

#pragma once
#include "../Common/surface_store.h"
#include "GLHelpers.h"
#include "stdafx.h"
#include "../RSXThread.h"
#include "../rsx_utils.h"
struct color_swizzle
{
gl::texture::channel a = gl::texture::channel::a;
gl::texture::channel r = gl::texture::channel::r;
gl::texture::channel g = gl::texture::channel::g;
gl::texture::channel b = gl::texture::channel::b;
color_swizzle() = default;
color_swizzle(gl::texture::channel a, gl::texture::channel r, gl::texture::channel g, gl::texture::channel b)
: a(a), r(r), g(g), b(b)
{
}
};
struct color_format
{
gl::texture::type type;
gl::texture::format format;
bool swap_bytes;
int channel_count;
int channel_size;
color_swizzle swizzle;
};
struct depth_format
{
gl::texture::type type;
gl::texture::format format;
gl::texture::internal_format internal_format;
};
namespace rsx
{
namespace internals
{
::gl::texture::internal_format sized_internal_format(rsx::surface_color_format color_format);
color_format surface_color_format_to_gl(rsx::surface_color_format color_format);
depth_format surface_depth_format_to_gl(rsx::surface_depth_format depth_format);
u8 get_pixel_size(rsx::surface_depth_format format);
}
}
namespace gl
{
class render_target : public viewable_image, public rsx::ref_counted, public rsx::render_target_descriptor<texture*>
{
u32 rsx_pitch = 0;
u16 native_pitch = 0;
u16 surface_height = 0;
u16 surface_width = 0;
u16 surface_pixel_size = 0;
public:
render_target(GLuint width, GLuint height, GLenum sized_format)
: viewable_image(GL_TEXTURE_2D, width, height, 1, 1, sized_format)
{}
void set_cleared(bool clear=true)
{
dirty = !clear;
}
bool cleared() const
{
return !dirty;
}
// Internal pitch is the actual row length in bytes of the openGL texture
void set_native_pitch(u16 pitch)
{
native_pitch = pitch;
}
u16 get_native_pitch() const override
{
return native_pitch;
}
void set_surface_dimensions(u16 w, u16 h, u16 pitch)
{
surface_width = w;
surface_height = h;
rsx_pitch = pitch;
}
void set_rsx_pitch(u16 pitch)
{
rsx_pitch = pitch;
}
u16 get_rsx_pitch() const override
{
return rsx_pitch;
}
u16 get_surface_width() const override
{
return surface_width;
}
u16 get_surface_height() const override
{
return surface_height;
}
bool is_depth_surface() const override
{
switch (get_internal_format())
{
case gl::texture::internal_format::depth16:
case gl::texture::internal_format::depth24_stencil8:
case gl::texture::internal_format::depth32f_stencil8:
return true;
default:
return false;
}
}
texture* get_surface() override
{
return (gl::texture*)this;
}
u32 raw_handle() const
{
return id();
}
bool matches_dimensions(u16 _width, u16 _height) const
{
//Use forward scaling to account for rounding and clamping errors
return (rsx::apply_resolution_scale(_width, true) == width()) && (rsx::apply_resolution_scale(_height, true) == height());
}
void memory_barrier(gl::command_context& cmd, bool force_init = false);
void read_barrier(gl::command_context& cmd) { memory_barrier(cmd, true); }
void write_barrier(gl::command_context& cmd) { memory_barrier(cmd, false); }
};
struct framebuffer_holder : public gl::fbo, public rsx::ref_counted
{
using gl::fbo::fbo;
};
}
struct gl_render_target_traits
{
using surface_storage_type = std::unique_ptr<gl::render_target>;
using surface_type = gl::render_target*;
using command_list_type = void*;
using download_buffer_object = std::vector<u8>;
static
std::unique_ptr<gl::render_target> create_new_surface(
u32 address,
rsx::surface_color_format surface_color_format,
size_t width, size_t height, size_t pitch,
gl::render_target* old_surface
)
{
auto format = rsx::internals::surface_color_format_to_gl(surface_color_format);
auto internal_fmt = rsx::internals::sized_internal_format(surface_color_format);
std::unique_ptr<gl::render_target> result(new gl::render_target(rsx::apply_resolution_scale((u16)width, true),
rsx::apply_resolution_scale((u16)height, true), (GLenum)internal_fmt));
result->set_native_pitch((u16)width * format.channel_count * format.channel_size);
result->set_surface_dimensions((u16)width, (u16)height, (u16)pitch);
std::array<GLenum, 4> native_layout = { (GLenum)format.swizzle.a, (GLenum)format.swizzle.r, (GLenum)format.swizzle.g, (GLenum)format.swizzle.b };
result->set_native_component_layout(native_layout);
result->set_old_contents(old_surface);
result->set_cleared(false);
result->queue_tag(address);
return result;
}
static
std::unique_ptr<gl::render_target> create_new_surface(
u32 address,
rsx::surface_depth_format surface_depth_format,
size_t width, size_t height, size_t pitch,
gl::render_target* old_surface
)
{
auto format = rsx::internals::surface_depth_format_to_gl(surface_depth_format);
std::unique_ptr<gl::render_target> result(new gl::render_target(rsx::apply_resolution_scale((u16)width, true),
rsx::apply_resolution_scale((u16)height, true), (GLenum)format.internal_format));
u16 native_pitch = (u16)width * 2;
if (surface_depth_format == rsx::surface_depth_format::z24s8)
native_pitch *= 2;
std::array<GLenum, 4> native_layout = { GL_RED, GL_RED, GL_RED, GL_RED };
result->set_native_pitch(native_pitch);
result->set_surface_dimensions((u16)width, (u16)height, (u16)pitch);
result->set_native_component_layout(native_layout);
result->set_old_contents(old_surface);
result->set_cleared(false);
result->queue_tag(address);
return result;
}
static
void get_surface_info(gl::render_target *surface, rsx::surface_format_info *info)
{
info->rsx_pitch = surface->get_rsx_pitch();
info->native_pitch = surface->get_native_pitch();
info->surface_width = surface->get_surface_width();
info->surface_height = surface->get_surface_height();
info->bpp = surface->get_bpp();
}
static void prepare_rtt_for_drawing(void *, gl::render_target *rtt) { rtt->reset_refs(); }
static void prepare_rtt_for_sampling(void *, gl::render_target*) {}
static void prepare_ds_for_drawing(void *, gl::render_target *ds) { ds->reset_refs(); }
static void prepare_ds_for_sampling(void *, gl::render_target*) {}
static
bool surface_is_pitch_compatible(const std::unique_ptr<gl::render_target> &surface, size_t pitch)
{
return surface->get_rsx_pitch() == pitch;
}
static
void invalidate_surface_contents(void *, gl::render_target *surface, gl::render_target* old_surface, u32 address, size_t pitch)
{
surface->set_rsx_pitch((u16)pitch);
surface->set_old_contents(old_surface);
surface->reset_aa_mode();
surface->queue_tag(address);
surface->set_cleared(false);
}
static
void notify_surface_invalidated(const std::unique_ptr<gl::render_target>&)
{}
static
void notify_surface_persist(const std::unique_ptr<gl::render_target>& surface)
{
surface->save_aa_mode();
}
static
bool rtt_has_format_width_height(const std::unique_ptr<gl::render_target> &rtt, rsx::surface_color_format format, size_t width, size_t height, bool check_refs=false)
{
if (check_refs) //TODO
return false;
auto internal_fmt = rsx::internals::sized_internal_format(format);
return rtt->get_internal_format() == internal_fmt && rtt->matches_dimensions((u16)width, (u16)height);
}
static
bool ds_has_format_width_height(const std::unique_ptr<gl::render_target> &rtt, rsx::surface_depth_format, size_t width, size_t height, bool check_refs=false)
{
if (check_refs) //TODO
return false;
// TODO: check format
return rtt->matches_dimensions((u16)width, (u16)height);
}
// Note : pbo breaks fbo here so use classic texture copy
static std::vector<u8> issue_download_command(gl::render_target* color_buffer, rsx::surface_color_format color_format, size_t width, size_t height)
{
auto pixel_format = rsx::internals::surface_color_format_to_gl(color_format);
std::vector<u8> result(width * height * pixel_format.channel_count * pixel_format.channel_size);
glBindTexture(GL_TEXTURE_2D, color_buffer->id());
glGetTexImage(GL_TEXTURE_2D, 0, (GLenum)pixel_format.format, (GLenum)pixel_format.type, result.data());
return result;
}
static std::vector<u8> issue_depth_download_command(gl::render_target* depth_stencil_buffer, rsx::surface_depth_format depth_format, size_t width, size_t height)
{
std::vector<u8> result(width * height * 4);
auto pixel_format = rsx::internals::surface_depth_format_to_gl(depth_format);
glBindTexture(GL_TEXTURE_2D, depth_stencil_buffer->id());
glGetTexImage(GL_TEXTURE_2D, 0, (GLenum)pixel_format.format, (GLenum)pixel_format.type, result.data());
return result;
}
static std::vector<u8> issue_stencil_download_command(gl::render_target*, size_t width, size_t height)
{
std::vector<u8> result(width * height * 4);
return result;
}
static
gsl::span<const gsl::byte> map_downloaded_buffer(const std::vector<u8> &buffer)
{
return{ reinterpret_cast<const gsl::byte*>(buffer.data()), ::narrow<int>(buffer.size()) };
}
static
void unmap_downloaded_buffer(const std::vector<u8> &)
{
}
static gl::render_target* get(const std::unique_ptr<gl::render_target> &in)
{
return in.get();
}
};
struct gl_render_targets : public rsx::surface_store<gl_render_target_traits>
{
std::vector<GLuint> free_invalidated()
{
std::vector<GLuint> removed;
invalidated_resources.remove_if([&](auto &rtt)
{
if (rtt->deref_count >= 2)
{
removed.push_back(rtt->id());
return true;
}
rtt->deref_count++;
return false;
});
return removed;
}
};