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https://github.com/RPCSX/rpcsx.git
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315 lines
9 KiB
C++
315 lines
9 KiB
C++
#pragma once
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#include "../Common/surface_store.h"
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#include "GLHelpers.h"
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#include "stdafx.h"
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#include "../RSXThread.h"
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#include "../rsx_utils.h"
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struct color_swizzle
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{
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gl::texture::channel a = gl::texture::channel::a;
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gl::texture::channel r = gl::texture::channel::r;
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gl::texture::channel g = gl::texture::channel::g;
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gl::texture::channel b = gl::texture::channel::b;
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color_swizzle() = default;
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color_swizzle(gl::texture::channel a, gl::texture::channel r, gl::texture::channel g, gl::texture::channel b)
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: a(a), r(r), g(g), b(b)
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{
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}
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};
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struct color_format
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{
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gl::texture::type type;
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gl::texture::format format;
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bool swap_bytes;
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int channel_count;
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int channel_size;
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color_swizzle swizzle;
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};
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struct depth_format
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{
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gl::texture::type type;
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gl::texture::format format;
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gl::texture::internal_format internal_format;
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};
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namespace rsx
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{
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namespace internals
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{
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::gl::texture::internal_format sized_internal_format(rsx::surface_color_format color_format);
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color_format surface_color_format_to_gl(rsx::surface_color_format color_format);
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depth_format surface_depth_format_to_gl(rsx::surface_depth_format depth_format);
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u8 get_pixel_size(rsx::surface_depth_format format);
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}
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}
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namespace gl
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{
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class render_target : public texture, public rsx::ref_counted, public rsx::render_target_descriptor<texture*>
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{
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bool is_cleared = false;
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u32 rsx_pitch = 0;
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u16 native_pitch = 0;
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u16 internal_width = 0;
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u16 internal_height = 0;
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u16 surface_height = 0;
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u16 surface_width = 0;
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u16 surface_pixel_size = 0;
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std::unordered_map<u32, std::unique_ptr<texture_view>> views;
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public:
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render_target *old_contents = nullptr;
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render_target(GLuint width, GLuint height, GLenum sized_format)
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:texture(GL_TEXTURE_2D, width, height, 1, 1, sized_format)
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{}
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void set_cleared(bool clear=true)
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{
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is_cleared = clear;
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}
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bool cleared() const
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{
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return is_cleared;
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}
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// Internal pitch is the actual row length in bytes of the openGL texture
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void set_native_pitch(u16 pitch)
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{
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native_pitch = pitch;
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}
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u16 get_native_pitch() const override
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{
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return native_pitch;
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}
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// Rsx pitch
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void set_rsx_pitch(u16 pitch)
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{
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rsx_pitch = pitch;
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}
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u16 get_rsx_pitch() const override
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{
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return rsx_pitch;
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}
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u16 get_surface_width() const override
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{
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return surface_width;
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}
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u16 get_surface_height() const override
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{
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return surface_height;
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}
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texture* get_surface() override
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{
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return (gl::texture*)this;
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}
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texture_view* get_view(u32 remap_encoding, const std::pair<std::array<u8, 4>, std::array<u8, 4>>& remap)
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{
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auto found = views.find(remap_encoding);
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if (found != views.end())
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{
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return found->second.get();
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}
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auto mapping = gl::apply_swizzle_remap(get_native_component_layout(), remap);
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auto view = std::make_unique<texture_view>(this, mapping.data());
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auto result = view.get();
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views[remap_encoding] = std::move(view);
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return result;
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}
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u32 raw_handle() const
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{
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return id();
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}
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void update_surface()
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{
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internal_width = width();
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internal_height = height();
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surface_width = rsx::apply_inverse_resolution_scale(internal_width, true);
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surface_height = rsx::apply_inverse_resolution_scale(internal_height, true);
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}
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bool matches_dimensions(u16 _width, u16 _height) const
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{
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//Use forward scaling to account for rounding and clamping errors
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return (rsx::apply_resolution_scale(_width, true) == internal_width) && (rsx::apply_resolution_scale(_height, true) == internal_height);
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}
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};
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}
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struct gl_render_target_traits
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{
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using surface_storage_type = std::unique_ptr<gl::render_target>;
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using surface_type = gl::render_target*;
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using command_list_type = void*;
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using download_buffer_object = std::vector<u8>;
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static
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std::unique_ptr<gl::render_target> create_new_surface(
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u32 /*address*/,
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rsx::surface_color_format surface_color_format,
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size_t width,
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size_t height,
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gl::render_target* old_surface
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)
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{
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auto format = rsx::internals::surface_color_format_to_gl(surface_color_format);
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auto internal_fmt = rsx::internals::sized_internal_format(surface_color_format);
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std::unique_ptr<gl::render_target> result(new gl::render_target(rsx::apply_resolution_scale((u16)width, true),
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rsx::apply_resolution_scale((u16)height, true), (GLenum)internal_fmt));
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result->set_native_pitch((u16)width * format.channel_count * format.channel_size);
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std::array<GLenum, 4> native_layout = { (GLenum)format.swizzle.a, (GLenum)format.swizzle.r, (GLenum)format.swizzle.g, (GLenum)format.swizzle.b };
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result->set_native_component_layout(native_layout);
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result->old_contents = old_surface;
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result->set_cleared();
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result->update_surface();
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return result;
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}
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static
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std::unique_ptr<gl::render_target> create_new_surface(
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u32 /*address*/,
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rsx::surface_depth_format surface_depth_format,
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size_t width,
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size_t height,
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gl::render_target* old_surface
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)
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{
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auto format = rsx::internals::surface_depth_format_to_gl(surface_depth_format);
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std::unique_ptr<gl::render_target> result(new gl::render_target(rsx::apply_resolution_scale((u16)width, true),
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rsx::apply_resolution_scale((u16)height, true), (GLenum)format.internal_format));
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u16 native_pitch = (u16)width * 2;
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if (surface_depth_format == rsx::surface_depth_format::z24s8)
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native_pitch *= 2;
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std::array<GLenum, 4> native_layout = { GL_RED, GL_RED, GL_RED, GL_RED };
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result->set_native_pitch(native_pitch);
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result->set_native_component_layout(native_layout);
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result->old_contents = old_surface;
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result->update_surface();
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return result;
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}
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static
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void get_surface_info(gl::render_target *surface, rsx::surface_format_info *info)
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{
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info->rsx_pitch = surface->get_rsx_pitch();
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info->native_pitch = surface->get_native_pitch();
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info->surface_width = surface->get_surface_width();
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info->surface_height = surface->get_surface_height();
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info->bpp = static_cast<u8>(info->native_pitch / info->surface_width);
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}
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static void prepare_rtt_for_drawing(void *, gl::render_target *rtt) { rtt->reset_refs(); }
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static void prepare_rtt_for_sampling(void *, gl::render_target*) {}
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static void prepare_ds_for_drawing(void *, gl::render_target *ds) { ds->reset_refs(); }
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static void prepare_ds_for_sampling(void *, gl::render_target*) {}
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static void invalidate_rtt_surface_contents(void *, gl::render_target *rtt, gl::render_target* /*old*/, bool forced) { if (forced) rtt->set_cleared(false); }
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static void invalidate_depth_surface_contents(void *, gl::render_target *ds, gl::render_target* /*old*/, bool) { ds->set_cleared(false); }
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static
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void notify_surface_invalidated(const std::unique_ptr<gl::render_target>&)
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{}
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static
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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)
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{
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if (check_refs) //TODO
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return false;
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auto internal_fmt = rsx::internals::sized_internal_format(format);
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return rtt->get_internal_format() == internal_fmt && rtt->matches_dimensions((u16)width, (u16)height);
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}
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static
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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)
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{
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if (check_refs) //TODO
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return false;
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// TODO: check format
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return rtt->matches_dimensions((u16)width, (u16)height);
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}
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// Note : pbo breaks fbo here so use classic texture copy
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static std::vector<u8> issue_download_command(gl::render_target* color_buffer, rsx::surface_color_format color_format, size_t width, size_t height)
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{
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auto pixel_format = rsx::internals::surface_color_format_to_gl(color_format);
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std::vector<u8> result(width * height * pixel_format.channel_count * pixel_format.channel_size);
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glBindTexture(GL_TEXTURE_2D, color_buffer->id());
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glGetTexImage(GL_TEXTURE_2D, 0, (GLenum)pixel_format.format, (GLenum)pixel_format.type, result.data());
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return result;
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}
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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)
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{
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std::vector<u8> result(width * height * 4);
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auto pixel_format = rsx::internals::surface_depth_format_to_gl(depth_format);
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glBindTexture(GL_TEXTURE_2D, depth_stencil_buffer->id());
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glGetTexImage(GL_TEXTURE_2D, 0, (GLenum)pixel_format.format, (GLenum)pixel_format.type, result.data());
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return result;
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}
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static std::vector<u8> issue_stencil_download_command(gl::render_target*, size_t width, size_t height)
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{
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std::vector<u8> result(width * height * 4);
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return result;
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}
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static
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gsl::span<const gsl::byte> map_downloaded_buffer(const std::vector<u8> &buffer)
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{
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return{ reinterpret_cast<const gsl::byte*>(buffer.data()), ::narrow<int>(buffer.size()) };
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}
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static
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void unmap_downloaded_buffer(const std::vector<u8> &)
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{
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}
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static gl::render_target* get(const std::unique_ptr<gl::render_target> &in)
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{
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return in.get();
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}
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};
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struct gl_render_targets : public rsx::surface_store<gl_render_target_traits>
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{
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void free_invalidated()
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{
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invalidated_resources.remove_if([&](auto &rtt)
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{
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if (rtt->deref_count >= 2)
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return true;
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rtt->deref_count++;
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return false;
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});
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}
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};
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