rpcs3/rpcs3/Emu/RSX/GL/GLRenderTargets.h
2022-07-13 02:09:58 +03:00

373 lines
11 KiB
C++

#pragma once
#include "../Common/surface_store.h"
#include "GLHelpers.h"
#include "../rsx_utils.h"
#include "glutils/fbo.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;
gl::texture::internal_format internal_format;
bool swap_bytes;
color_swizzle swizzle;
};
struct depth_format
{
gl::texture::type type;
gl::texture::format format;
gl::texture::internal_format internal_format;
};
namespace rsx
{
namespace internals
{
color_format surface_color_format_to_gl(rsx::surface_color_format color_format);
depth_format surface_depth_format_to_gl(rsx::surface_depth_format2 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*>
{
void clear_memory(gl::command_context& cmd);
void load_memory(gl::command_context& cmd);
void initialize_memory(gl::command_context& cmd, rsx::surface_access access);
public:
render_target(GLuint width, GLuint height, GLenum sized_format, rsx::format_class format_class)
: viewable_image(GL_TEXTURE_2D, width, height, 1, 1, sized_format, format_class)
{}
// Internal pitch is the actual row length in bytes of the openGL texture
void set_native_pitch(u32 pitch)
{
native_pitch = pitch;
}
void set_surface_dimensions(u16 w, u16 h, u32 pitch)
{
surface_width = w;
surface_height = h;
rsx_pitch = pitch;
}
void set_rsx_pitch(u32 pitch)
{
rsx_pitch = pitch;
}
bool is_depth_surface() const override
{
return !!(aspect() & gl::image_aspect::depth);
}
void release_ref(texture* t) const override
{
static_cast<gl::render_target*>(t)->release();
}
viewable_image* get_surface(rsx::surface_access /*access_type*/) override
{
// TODO
return static_cast<gl::viewable_image*>(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
const auto [scaled_w, scaled_h] = rsx::apply_resolution_scale<true>(_width, _height);
return (scaled_w == width()) && (scaled_h == height());
}
void memory_barrier(gl::command_context& cmd, rsx::surface_access access);
void read_barrier(gl::command_context& cmd) { memory_barrier(cmd, rsx::surface_access::shader_read); }
void write_barrier(gl::command_context& cmd) { memory_barrier(cmd, rsx::surface_access::shader_write); }
};
struct framebuffer_holder : public gl::fbo, public rsx::ref_counted
{
using gl::fbo::fbo;
};
static inline gl::render_target* as_rtt(gl::texture* t)
{
return ensure(dynamic_cast<gl::render_target*>(t));
}
}
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 = gl::command_context&;
using download_buffer_object = std::vector<u8>;
using barrier_descriptor_t = rsx::deferred_clipped_region<gl::render_target*>;
static
std::unique_ptr<gl::render_target> create_new_surface(
u32 address,
rsx::surface_color_format surface_color_format,
usz width, usz height, usz pitch,
rsx::surface_antialiasing antialias
)
{
auto format = rsx::internals::surface_color_format_to_gl(surface_color_format);
const auto [width_, height_] = rsx::apply_resolution_scale<true>(static_cast<u16>(width), static_cast<u16>(height));
std::unique_ptr<gl::render_target> result(new gl::render_target(width_, height_,
static_cast<GLenum>(format.internal_format), RSX_FORMAT_CLASS_COLOR));
result->set_aa_mode(antialias);
result->set_native_pitch(static_cast<u32>(width) * get_format_block_size_in_bytes(surface_color_format) * result->samples_x);
result->set_surface_dimensions(static_cast<u16>(width), static_cast<u16>(height), static_cast<u32>(pitch));
result->set_format(surface_color_format);
std::array<GLenum, 4> native_layout = { static_cast<GLenum>(format.swizzle.a), static_cast<GLenum>(format.swizzle.r), static_cast<GLenum>(format.swizzle.g), static_cast<GLenum>(format.swizzle.b) };
result->set_native_component_layout(native_layout);
result->memory_usage_flags = rsx::surface_usage_flags::attachment;
result->state_flags = rsx::surface_state_flags::erase_bkgnd;
result->queue_tag(address);
result->add_ref();
return result;
}
static
std::unique_ptr<gl::render_target> create_new_surface(
u32 address,
rsx::surface_depth_format2 surface_depth_format,
usz width, usz height, usz pitch,
rsx::surface_antialiasing antialias
)
{
auto format = rsx::internals::surface_depth_format_to_gl(surface_depth_format);
const auto [width_, height_] = rsx::apply_resolution_scale<true>(static_cast<u16>(width), static_cast<u16>(height));
std::unique_ptr<gl::render_target> result(new gl::render_target(width_, height_,
static_cast<GLenum>(format.internal_format), rsx::classify_format(surface_depth_format)));
result->set_aa_mode(antialias);
result->set_surface_dimensions(static_cast<u16>(width), static_cast<u16>(height), static_cast<u32>(pitch));
result->set_format(surface_depth_format);
result->set_native_pitch(static_cast<u32>(width) * get_format_block_size_in_bytes(surface_depth_format) * result->samples_x);
std::array<GLenum, 4> native_layout = { GL_RED, GL_RED, GL_RED, GL_RED };
result->set_native_component_layout(native_layout);
result->memory_usage_flags = rsx::surface_usage_flags::attachment;
result->state_flags = rsx::surface_state_flags::erase_bkgnd;
result->queue_tag(address);
result->add_ref();
return result;
}
static
void clone_surface(
gl::command_context& cmd,
std::unique_ptr<gl::render_target>& sink, gl::render_target* ref,
u32 address, barrier_descriptor_t& prev)
{
if (!sink)
{
auto internal_format = static_cast<GLenum>(ref->get_internal_format());
const auto [new_w, new_h] = rsx::apply_resolution_scale<true>(prev.width, prev.height,
ref->get_surface_width<rsx::surface_metrics::pixels>(), ref->get_surface_height<rsx::surface_metrics::pixels>());
sink = std::make_unique<gl::render_target>(new_w, new_h, internal_format, ref->format_class());
sink->add_ref();
sink->memory_usage_flags = rsx::surface_usage_flags::storage;
sink->state_flags = rsx::surface_state_flags::erase_bkgnd;
sink->format_info = ref->format_info;
sink->set_spp(ref->get_spp());
sink->set_native_pitch(static_cast<u32>(prev.width) * ref->get_bpp() * ref->samples_x);
sink->set_rsx_pitch(ref->get_rsx_pitch());
sink->set_surface_dimensions(prev.width, prev.height, ref->get_rsx_pitch());
sink->set_native_component_layout(ref->get_native_component_layout());
sink->queue_tag(address);
}
prev.target = sink.get();
if (!sink->old_contents.empty())
{
// Deal with this, likely only needs to clear
if (sink->surface_width > prev.width || sink->surface_height > prev.height)
{
sink->write_barrier(cmd);
}
else
{
sink->clear_rw_barrier();
}
}
sink->set_rsx_pitch(ref->get_rsx_pitch());
sink->set_old_contents_region(prev, false);
sink->last_use_tag = ref->last_use_tag;
sink->raster_type = ref->raster_type; // Can't actually cut up swizzled data
}
static
bool is_compatible_surface(const gl::render_target* surface, const gl::render_target* ref, u16 width, u16 height, u8 sample_count)
{
return (surface->get_internal_format() == ref->get_internal_format() &&
surface->get_spp() == sample_count &&
surface->get_surface_width<rsx::surface_metrics::pixels>() >= width &&
surface->get_surface_height<rsx::surface_metrics::pixels>() >= height);
}
static
void prepare_surface_for_drawing(gl::command_context&, gl::render_target* surface)
{
surface->memory_usage_flags |= rsx::surface_usage_flags::attachment;
}
static
void prepare_surface_for_sampling(gl::command_context&, gl::render_target*)
{}
static
bool surface_is_pitch_compatible(const std::unique_ptr<gl::render_target> &surface, usz pitch)
{
return surface->get_rsx_pitch() == pitch;
}
static
void invalidate_surface_contents(gl::command_context&, gl::render_target *surface, u32 address, usz pitch)
{
surface->set_rsx_pitch(static_cast<u32>(pitch));
surface->queue_tag(address);
surface->last_use_tag = 0;
surface->stencil_init_flags = 0;
surface->memory_usage_flags = rsx::surface_usage_flags::unknown;
surface->raster_type = rsx::surface_raster_type::linear;
}
static
void notify_surface_invalidated(const std::unique_ptr<gl::render_target>& surface)
{
if (!surface->old_contents.empty())
{
// TODO: Retire the deferred writes
surface->clear_rw_barrier();
}
surface->release();
}
static
void notify_surface_persist(const std::unique_ptr<gl::render_target>& /*surface*/)
{}
static
void notify_surface_reused(const std::unique_ptr<gl::render_target>& surface)
{
surface->state_flags |= rsx::surface_state_flags::erase_bkgnd;
surface->add_ref();
}
static
bool int_surface_matches_properties(
const std::unique_ptr<gl::render_target> &surface,
gl::texture::internal_format format,
usz width, usz height,
rsx::surface_antialiasing antialias,
bool check_refs = false)
{
if (check_refs && surface->has_refs())
return false;
return surface->get_internal_format() == format &&
surface->get_spp() == get_format_sample_count(antialias) &&
surface->matches_dimensions(static_cast<u16>(width), static_cast<u16>(height));
}
static
bool surface_matches_properties(
const std::unique_ptr<gl::render_target> &surface,
rsx::surface_color_format format,
usz width, usz height,
rsx::surface_antialiasing antialias,
bool check_refs=false)
{
const auto internal_fmt = rsx::internals::surface_color_format_to_gl(format).internal_format;
return int_surface_matches_properties(surface, internal_fmt, width, height, antialias, check_refs);
}
static
bool surface_matches_properties(
const std::unique_ptr<gl::render_target> &surface,
rsx::surface_depth_format2 format,
usz width, usz height,
rsx::surface_antialiasing antialias,
bool check_refs = false)
{
const auto internal_fmt = rsx::internals::surface_depth_format_to_gl(format).internal_format;
return int_surface_matches_properties(surface, internal_fmt, width, height, antialias, check_refs);
}
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>
{
void destroy()
{
invalidate_all();
invalidated_resources.clear();
}
std::vector<GLuint> free_invalidated(gl::command_context& cmd)
{
// Do not allow more than 256M of RSX memory to be used by RTTs
if (check_memory_usage(256 * 0x100000))
{
handle_memory_pressure(cmd, rsx::problem_severity::moderate);
}
std::vector<GLuint> removed;
invalidated_resources.remove_if([&](auto &rtt)
{
if (rtt->unused_check_count() >= 2)
{
removed.push_back(rtt->id());
return true;
}
return false;
});
return removed;
}
};