2014-04-09 01:04:25 +02:00
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// Copyright 2014 Citra Emulator Project
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2014-12-17 06:38:14 +01:00
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// Licensed under GPLv2 or any later version
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2014-04-09 01:04:25 +02:00
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// Refer to the license.txt file included.
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2014-04-06 22:55:39 +02:00
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2015-06-21 18:47:21 +02:00
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#include <algorithm>
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#include <cstddef>
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#include <cstdlib>
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2016-04-30 17:34:51 +02:00
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#include <memory>
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#include <glad/glad.h>
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2015-06-21 18:47:21 +02:00
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#include "common/assert.h"
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#include "common/logging/log.h"
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2020-02-17 20:31:14 +01:00
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#include "common/microprofile.h"
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2018-08-31 18:21:34 +02:00
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#include "common/telemetry.h"
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2017-02-19 23:34:47 +01:00
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#include "core/core.h"
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2017-02-21 01:31:59 +01:00
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#include "core/core_timing.h"
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2016-12-23 14:37:40 +01:00
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#include "core/frontend/emu_window.h"
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2016-04-30 17:34:51 +02:00
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#include "core/memory.h"
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2018-08-30 16:50:54 +02:00
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#include "core/perf_stats.h"
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2016-04-30 17:34:51 +02:00
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#include "core/settings.h"
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2018-08-31 18:21:34 +02:00
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#include "core/telemetry_session.h"
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2018-11-25 03:53:17 +01:00
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#include "video_core/morton.h"
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2018-08-21 01:22:43 +02:00
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#include "video_core/renderer_opengl/gl_rasterizer.h"
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2016-09-21 08:52:38 +02:00
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#include "video_core/renderer_opengl/renderer_opengl.h"
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2015-04-04 12:57:31 +02:00
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2020-02-27 00:28:50 +01:00
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namespace OpenGL {
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// If the size of this is too small, it ends up creating a soft cap on FPS as the renderer will have
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2020-02-28 01:50:17 +01:00
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// to wait on available presentation frames.
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constexpr std::size_t SWAP_CHAIN_SIZE = 3;
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2020-02-17 20:31:14 +01:00
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struct Frame {
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u32 width{}; /// Width of the frame (to detect resize)
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u32 height{}; /// Height of the frame
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2020-02-27 00:28:50 +01:00
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bool color_reloaded{}; /// Texture attachment was recreated (ie: resized)
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2020-02-17 20:31:14 +01:00
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OpenGL::OGLRenderbuffer color{}; /// Buffer shared between the render/present FBO
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OpenGL::OGLFramebuffer render{}; /// FBO created on the render thread
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OpenGL::OGLFramebuffer present{}; /// FBO created on the present thread
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GLsync render_fence{}; /// Fence created on the render thread
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GLsync present_fence{}; /// Fence created on the presentation thread
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bool is_srgb{}; /// Framebuffer is sRGB or RGB
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};
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2020-02-27 00:28:50 +01:00
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/**
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* For smooth Vsync rendering, we want to always present the latest frame that the core generates,
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* but also make sure that rendering happens at the pace that the frontend dictates. This is a
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* helper class that the renderer uses to sync frames between the render thread and the presentation
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* thread
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*/
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class FrameMailbox {
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2020-02-17 20:31:14 +01:00
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public:
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std::mutex swap_chain_lock;
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std::condition_variable present_cv;
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2020-02-27 00:28:50 +01:00
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std::array<Frame, SWAP_CHAIN_SIZE> swap_chain{};
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std::queue<Frame*> free_queue;
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std::deque<Frame*> present_queue;
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Frame* previous_frame{};
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2020-02-17 20:31:14 +01:00
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2020-02-27 00:28:50 +01:00
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FrameMailbox() {
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2020-02-17 20:31:14 +01:00
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for (auto& frame : swap_chain) {
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free_queue.push(&frame);
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}
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}
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2020-02-27 00:28:50 +01:00
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~FrameMailbox() {
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2020-02-17 20:31:14 +01:00
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// lock the mutex and clear out the present and free_queues and notify any people who are
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// blocked to prevent deadlock on shutdown
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2020-02-27 00:35:35 +01:00
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std::scoped_lock lock{swap_chain_lock};
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2020-02-27 00:28:50 +01:00
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std::queue<Frame*>().swap(free_queue);
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2020-02-17 20:31:14 +01:00
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present_queue.clear();
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present_cv.notify_all();
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}
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2020-02-27 00:28:50 +01:00
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void ReloadPresentFrame(Frame* frame, u32 height, u32 width) {
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2020-02-17 20:31:14 +01:00
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frame->present.Release();
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frame->present.Create();
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GLint previous_draw_fbo{};
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glGetIntegerv(GL_DRAW_FRAMEBUFFER_BINDING, &previous_draw_fbo);
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glBindFramebuffer(GL_FRAMEBUFFER, frame->present.handle);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
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frame->color.handle);
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
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LOG_CRITICAL(Render_OpenGL, "Failed to recreate present FBO!");
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}
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, previous_draw_fbo);
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frame->color_reloaded = false;
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}
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2020-02-27 00:28:50 +01:00
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void ReloadRenderFrame(Frame* frame, u32 width, u32 height) {
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2020-02-17 20:31:14 +01:00
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OpenGLState prev_state = OpenGLState::GetCurState();
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OpenGLState state = OpenGLState::GetCurState();
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// Recreate the color texture attachment
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frame->color.Release();
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frame->color.Create();
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state.renderbuffer = frame->color.handle;
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state.Apply();
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glRenderbufferStorage(GL_RENDERBUFFER, frame->is_srgb ? GL_SRGB8 : GL_RGB8, width, height);
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// Recreate the FBO for the render target
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frame->render.Release();
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frame->render.Create();
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state.draw.read_framebuffer = frame->render.handle;
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state.draw.draw_framebuffer = frame->render.handle;
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state.Apply();
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER,
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frame->color.handle);
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2020-02-27 00:28:50 +01:00
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
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2020-02-17 20:31:14 +01:00
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LOG_CRITICAL(Render_OpenGL, "Failed to recreate render FBO!");
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}
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prev_state.Apply();
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frame->width = width;
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frame->height = height;
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frame->color_reloaded = true;
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}
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2020-02-27 00:28:50 +01:00
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Frame* GetRenderFrame() {
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2020-02-27 00:35:35 +01:00
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std::unique_lock lock{swap_chain_lock};
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2020-02-17 20:31:14 +01:00
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// If theres no free frames, we will reuse the oldest render frame
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if (free_queue.empty()) {
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auto frame = present_queue.back();
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present_queue.pop_back();
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return frame;
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}
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2020-02-27 00:28:50 +01:00
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Frame* frame = free_queue.front();
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2020-02-17 20:31:14 +01:00
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free_queue.pop();
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return frame;
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}
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2020-02-27 00:28:50 +01:00
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void ReleaseRenderFrame(Frame* frame) {
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2020-02-27 00:35:35 +01:00
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std::unique_lock lock{swap_chain_lock};
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2020-02-17 20:31:14 +01:00
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present_queue.push_front(frame);
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present_cv.notify_one();
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}
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2020-02-27 00:28:50 +01:00
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Frame* TryGetPresentFrame(int timeout_ms) {
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2020-02-27 00:35:35 +01:00
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std::unique_lock lock{swap_chain_lock};
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2020-02-17 20:31:14 +01:00
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// wait for new entries in the present_queue
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present_cv.wait_for(lock, std::chrono::milliseconds(timeout_ms),
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[&] { return !present_queue.empty(); });
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if (present_queue.empty()) {
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// timed out waiting for a frame to draw so return the previous frame
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return previous_frame;
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}
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// free the previous frame and add it back to the free queue
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if (previous_frame) {
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free_queue.push(previous_frame);
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}
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// the newest entries are pushed to the front of the queue
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2020-02-27 00:28:50 +01:00
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Frame* frame = present_queue.front();
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2020-02-17 20:31:14 +01:00
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present_queue.pop_front();
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// remove all old entries from the present queue and move them back to the free_queue
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for (auto f : present_queue) {
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free_queue.push(f);
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}
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present_queue.clear();
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previous_frame = frame;
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return frame;
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}
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};
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2019-11-29 00:14:40 +01:00
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namespace {
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constexpr char vertex_shader[] = R"(
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2019-11-29 00:25:56 +01:00
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#version 430 core
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2015-10-06 04:33:47 +02:00
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2019-11-29 00:25:56 +01:00
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layout (location = 0) in vec2 vert_position;
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layout (location = 1) in vec2 vert_tex_coord;
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layout (location = 0) out vec2 frag_tex_coord;
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2015-10-06 04:33:47 +02:00
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// This is a truncated 3x3 matrix for 2D transformations:
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// The upper-left 2x2 submatrix performs scaling/rotation/mirroring.
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// The third column performs translation.
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// The third row could be used for projection, which we don't need in 2D. It hence is assumed to
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// implicitly be [0, 0, 1]
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2019-11-29 00:25:56 +01:00
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layout (location = 0) uniform mat3x2 modelview_matrix;
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2015-10-06 04:33:47 +02:00
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void main() {
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// Multiply input position by the rotscale part of the matrix and then manually translate by
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// the last column. This is equivalent to using a full 3x3 matrix and expanding the vector
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// to `vec3(vert_position.xy, 1.0)`
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gl_Position = vec4(mat2(modelview_matrix) * vert_position + modelview_matrix[2], 0.0, 1.0);
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frag_tex_coord = vert_tex_coord;
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}
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)";
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2019-11-29 00:14:40 +01:00
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constexpr char fragment_shader[] = R"(
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2019-11-29 00:25:56 +01:00
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#version 430 core
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2015-10-06 04:33:47 +02:00
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2019-11-29 00:25:56 +01:00
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layout (location = 0) in vec2 frag_tex_coord;
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layout (location = 0) out vec4 color;
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2015-10-06 04:33:47 +02:00
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2019-11-29 00:25:56 +01:00
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layout (binding = 0) uniform sampler2D color_texture;
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2015-10-06 04:33:47 +02:00
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void main() {
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2018-04-10 04:02:59 +02:00
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color = texture(color_texture, frag_tex_coord);
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2015-10-06 04:33:47 +02:00
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}
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)";
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2019-11-29 00:25:56 +01:00
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constexpr GLint PositionLocation = 0;
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constexpr GLint TexCoordLocation = 1;
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constexpr GLint ModelViewMatrixLocation = 0;
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2014-08-28 20:21:54 +02:00
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struct ScreenRectVertex {
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2019-12-26 05:50:38 +01:00
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constexpr ScreenRectVertex(u32 x, u32 y, GLfloat u, GLfloat v)
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: position{{static_cast<GLfloat>(x), static_cast<GLfloat>(y)}}, tex_coord{{u, v}} {}
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2014-08-21 09:27:53 +02:00
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2019-11-29 00:36:02 +01:00
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std::array<GLfloat, 2> position;
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std::array<GLfloat, 2> tex_coord;
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2014-08-21 09:27:53 +02:00
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};
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2014-04-07 06:52:34 +02:00
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2014-08-28 20:21:54 +02:00
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/**
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* Defines a 1:1 pixel ortographic projection matrix with (0,0) on the top-left
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* corner and (width, height) on the lower-bottom.
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*
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* The projection part of the matrix is trivial, hence these operations are represented
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* by a 3x2 matrix.
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*/
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2019-11-29 00:14:40 +01:00
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std::array<GLfloat, 3 * 2> MakeOrthographicMatrix(float width, float height) {
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2016-09-19 03:01:46 +02:00
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std::array<GLfloat, 3 * 2> matrix; // Laid out in column-major order
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// clang-format off
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2019-11-29 00:14:40 +01:00
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matrix[0] = 2.f / width; matrix[2] = 0.f; matrix[4] = -1.f;
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matrix[1] = 0.f; matrix[3] = -2.f / height; matrix[5] = 1.f;
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2014-08-28 20:21:54 +02:00
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// Last matrix row is implicitly assumed to be [0, 0, 1].
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2016-09-19 03:01:46 +02:00
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// clang-format on
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2014-08-28 20:21:54 +02:00
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return matrix;
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}
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2019-11-29 00:14:40 +01:00
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const char* GetSource(GLenum source) {
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switch (source) {
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2019-11-29 00:15:25 +01:00
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case GL_DEBUG_SOURCE_API:
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return "API";
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case GL_DEBUG_SOURCE_WINDOW_SYSTEM:
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return "WINDOW_SYSTEM";
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case GL_DEBUG_SOURCE_SHADER_COMPILER:
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return "SHADER_COMPILER";
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case GL_DEBUG_SOURCE_THIRD_PARTY:
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return "THIRD_PARTY";
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case GL_DEBUG_SOURCE_APPLICATION:
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return "APPLICATION";
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case GL_DEBUG_SOURCE_OTHER:
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return "OTHER";
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2019-11-29 00:14:40 +01:00
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default:
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UNREACHABLE();
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return "Unknown source";
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}
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}
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const char* GetType(GLenum type) {
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switch (type) {
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2019-11-29 00:15:25 +01:00
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case GL_DEBUG_TYPE_ERROR:
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return "ERROR";
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case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR:
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return "DEPRECATED_BEHAVIOR";
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case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR:
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return "UNDEFINED_BEHAVIOR";
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case GL_DEBUG_TYPE_PORTABILITY:
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return "PORTABILITY";
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case GL_DEBUG_TYPE_PERFORMANCE:
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return "PERFORMANCE";
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case GL_DEBUG_TYPE_OTHER:
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return "OTHER";
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case GL_DEBUG_TYPE_MARKER:
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return "MARKER";
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2019-11-29 00:14:40 +01:00
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default:
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UNREACHABLE();
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return "Unknown type";
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}
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}
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void APIENTRY DebugHandler(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length,
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const GLchar* message, const void* user_param) {
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const char format[] = "{} {} {}: {}";
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const char* const str_source = GetSource(source);
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const char* const str_type = GetType(type);
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switch (severity) {
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case GL_DEBUG_SEVERITY_HIGH:
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LOG_CRITICAL(Render_OpenGL, format, str_source, str_type, id, message);
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break;
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case GL_DEBUG_SEVERITY_MEDIUM:
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LOG_WARNING(Render_OpenGL, format, str_source, str_type, id, message);
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break;
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case GL_DEBUG_SEVERITY_NOTIFICATION:
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case GL_DEBUG_SEVERITY_LOW:
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LOG_DEBUG(Render_OpenGL, format, str_source, str_type, id, message);
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break;
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}
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}
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} // Anonymous namespace
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2019-04-06 22:59:56 +02:00
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RendererOpenGL::RendererOpenGL(Core::Frontend::EmuWindow& emu_window, Core::System& system)
|
2020-02-27 00:28:50 +01:00
|
|
|
: VideoCore::RendererBase{emu_window}, emu_window{emu_window}, system{system},
|
|
|
|
frame_mailbox{std::make_unique<FrameMailbox>()} {}
|
2018-08-12 02:20:19 +02:00
|
|
|
|
2017-05-28 03:02:46 +02:00
|
|
|
RendererOpenGL::~RendererOpenGL() = default;
|
2014-04-06 22:55:39 +02:00
|
|
|
|
2020-02-17 20:31:14 +01:00
|
|
|
MICROPROFILE_DEFINE(OpenGL_RenderFrame, "OpenGL", "Render Frame", MP_RGB(128, 128, 64));
|
|
|
|
MICROPROFILE_DEFINE(OpenGL_WaitPresent, "OpenGL", "Wait For Present", MP_RGB(128, 128, 128));
|
|
|
|
|
2019-08-21 06:55:25 +02:00
|
|
|
void RendererOpenGL::SwapBuffers(const Tegra::FramebufferConfig* framebuffer) {
|
2020-02-17 20:31:14 +01:00
|
|
|
render_window.PollEvents();
|
|
|
|
|
|
|
|
if (!framebuffer) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
PrepareRendertarget(framebuffer);
|
|
|
|
RenderScreenshot();
|
|
|
|
|
2020-02-27 00:28:50 +01:00
|
|
|
Frame* frame;
|
2020-02-17 20:31:14 +01:00
|
|
|
{
|
|
|
|
MICROPROFILE_SCOPE(OpenGL_WaitPresent);
|
|
|
|
|
2020-02-27 00:28:50 +01:00
|
|
|
frame = frame_mailbox->GetRenderFrame();
|
2020-02-17 20:31:14 +01:00
|
|
|
|
|
|
|
// Clean up sync objects before drawing
|
|
|
|
|
|
|
|
// INTEL driver workaround. We can't delete the previous render sync object until we are
|
|
|
|
// sure that the presentation is done
|
|
|
|
if (frame->present_fence) {
|
|
|
|
glClientWaitSync(frame->present_fence, 0, GL_TIMEOUT_IGNORED);
|
|
|
|
}
|
|
|
|
|
|
|
|
// delete the draw fence if the frame wasn't presented
|
|
|
|
if (frame->render_fence) {
|
|
|
|
glDeleteSync(frame->render_fence);
|
|
|
|
frame->render_fence = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
// wait for the presentation to be done
|
|
|
|
if (frame->present_fence) {
|
|
|
|
glWaitSync(frame->present_fence, 0, GL_TIMEOUT_IGNORED);
|
|
|
|
glDeleteSync(frame->present_fence);
|
|
|
|
frame->present_fence = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
{
|
|
|
|
MICROPROFILE_SCOPE(OpenGL_RenderFrame);
|
|
|
|
const auto& layout = render_window.GetFramebufferLayout();
|
|
|
|
|
|
|
|
// Recreate the frame if the size of the window has changed
|
|
|
|
if (layout.width != frame->width || layout.height != frame->height ||
|
2020-02-28 07:10:41 +01:00
|
|
|
screen_info.display_srgb != frame->is_srgb) {
|
2020-02-17 20:31:14 +01:00
|
|
|
LOG_DEBUG(Render_OpenGL, "Reloading render frame");
|
2020-02-28 07:10:41 +01:00
|
|
|
frame->is_srgb = screen_info.display_srgb;
|
2020-02-27 00:28:50 +01:00
|
|
|
frame_mailbox->ReloadRenderFrame(frame, layout.width, layout.height);
|
2020-02-17 20:31:14 +01:00
|
|
|
}
|
|
|
|
state.draw.draw_framebuffer = frame->render.handle;
|
|
|
|
state.Apply();
|
|
|
|
DrawScreen(layout);
|
|
|
|
// Create a fence for the frontend to wait on and swap this frame to OffTex
|
|
|
|
frame->render_fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
|
|
|
|
glFlush();
|
2020-02-27 00:28:50 +01:00
|
|
|
frame_mailbox->ReleaseRenderFrame(frame);
|
2020-02-17 20:31:14 +01:00
|
|
|
m_current_frame++;
|
|
|
|
rasterizer->TickFrame();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void RendererOpenGL::PrepareRendertarget(const Tegra::FramebufferConfig* framebuffer) {
|
2018-10-30 05:03:25 +01:00
|
|
|
if (framebuffer) {
|
2018-03-23 02:04:30 +01:00
|
|
|
// If framebuffer is provided, reload it from memory to a texture
|
2019-08-21 06:55:25 +02:00
|
|
|
if (screen_info.texture.width != static_cast<GLsizei>(framebuffer->width) ||
|
|
|
|
screen_info.texture.height != static_cast<GLsizei>(framebuffer->height) ||
|
2020-02-21 03:07:17 +01:00
|
|
|
screen_info.texture.pixel_format != framebuffer->pixel_format ||
|
|
|
|
gl_framebuffer_data.empty()) {
|
2018-01-15 05:51:54 +01:00
|
|
|
// Reallocate texture if the framebuffer size has changed.
|
|
|
|
// This is expected to not happen very often and hence should not be a
|
|
|
|
// performance problem.
|
2018-03-23 02:04:30 +01:00
|
|
|
ConfigureFramebufferTexture(screen_info.texture, *framebuffer);
|
2018-01-15 05:51:54 +01:00
|
|
|
}
|
2018-03-27 02:04:35 +02:00
|
|
|
|
|
|
|
// Load the framebuffer from memory, draw it to the screen, and swap buffers
|
2018-08-21 01:34:02 +02:00
|
|
|
LoadFBToScreenInfo(*framebuffer);
|
2014-08-28 20:21:54 +02:00
|
|
|
}
|
2014-04-09 00:59:02 +02:00
|
|
|
}
|
2014-04-06 22:55:39 +02:00
|
|
|
|
2018-08-21 01:34:02 +02:00
|
|
|
void RendererOpenGL::LoadFBToScreenInfo(const Tegra::FramebufferConfig& framebuffer) {
|
2018-03-23 19:58:27 +01:00
|
|
|
// Framebuffer orientation handling
|
|
|
|
framebuffer_transform_flags = framebuffer.transform_flags;
|
2018-07-18 02:11:41 +02:00
|
|
|
framebuffer_crop_rect = framebuffer.crop_rect;
|
2018-03-23 19:58:27 +01:00
|
|
|
|
2019-08-21 07:17:14 +02:00
|
|
|
const VAddr framebuffer_addr{framebuffer.address + framebuffer.offset};
|
|
|
|
if (rasterizer->AccelerateDisplay(framebuffer, framebuffer_addr, framebuffer.stride)) {
|
|
|
|
return;
|
|
|
|
}
|
2016-04-17 00:57:57 +02:00
|
|
|
|
2019-08-21 07:17:14 +02:00
|
|
|
// Reset the screen info's display texture to its own permanent texture
|
|
|
|
screen_info.display_texture = screen_info.texture.resource.handle;
|
2016-04-17 00:57:57 +02:00
|
|
|
|
2019-08-21 07:17:14 +02:00
|
|
|
const auto pixel_format{
|
|
|
|
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
|
|
|
|
const u32 bytes_per_pixel{VideoCore::Surface::GetBytesPerPixel(pixel_format)};
|
|
|
|
const u64 size_in_bytes{framebuffer.stride * framebuffer.height * bytes_per_pixel};
|
2019-11-26 21:19:15 +01:00
|
|
|
u8* const host_ptr{system.Memory().GetPointer(framebuffer_addr)};
|
2019-08-21 07:17:14 +02:00
|
|
|
rasterizer->FlushRegion(ToCacheAddr(host_ptr), size_in_bytes);
|
|
|
|
|
|
|
|
// TODO(Rodrigo): Read this from HLE
|
|
|
|
constexpr u32 block_height_log2 = 4;
|
|
|
|
VideoCore::MortonSwizzle(VideoCore::MortonSwizzleMode::MortonToLinear, pixel_format,
|
|
|
|
framebuffer.stride, block_height_log2, framebuffer.height, 0, 1, 1,
|
|
|
|
gl_framebuffer_data.data(), host_ptr);
|
|
|
|
|
|
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(framebuffer.stride));
|
|
|
|
|
|
|
|
// Update existing texture
|
|
|
|
// TODO: Test what happens on hardware when you change the framebuffer dimensions so that
|
|
|
|
// they differ from the LCD resolution.
|
|
|
|
// TODO: Applications could theoretically crash yuzu here by specifying too large
|
|
|
|
// framebuffer sizes. We should make sure that this cannot happen.
|
|
|
|
glTextureSubImage2D(screen_info.texture.resource.handle, 0, 0, 0, framebuffer.width,
|
|
|
|
framebuffer.height, screen_info.texture.gl_format,
|
|
|
|
screen_info.texture.gl_type, gl_framebuffer_data.data());
|
|
|
|
|
|
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
|
2014-10-13 07:40:26 +02:00
|
|
|
}
|
2014-04-07 06:52:34 +02:00
|
|
|
|
2018-01-15 06:20:19 +01:00
|
|
|
void RendererOpenGL::LoadColorToActiveGLTexture(u8 color_r, u8 color_g, u8 color_b, u8 color_a,
|
2014-10-13 07:40:26 +02:00
|
|
|
const TextureInfo& texture) {
|
2019-01-06 22:49:23 +01:00
|
|
|
const u8 framebuffer_data[4] = {color_a, color_b, color_g, color_r};
|
|
|
|
glClearTexImage(texture.resource.handle, 0, GL_RGBA, GL_UNSIGNED_BYTE, framebuffer_data);
|
2014-08-21 09:27:53 +02:00
|
|
|
}
|
2014-04-06 22:55:39 +02:00
|
|
|
|
2014-08-28 11:34:47 +02:00
|
|
|
void RendererOpenGL::InitOpenGLObjects() {
|
2016-09-18 02:38:01 +02:00
|
|
|
glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
|
|
|
|
0.0f);
|
2014-08-28 11:34:47 +02:00
|
|
|
|
2014-08-28 20:21:54 +02:00
|
|
|
// Link shaders and get variable locations
|
2018-04-07 05:56:42 +02:00
|
|
|
shader.CreateFromSource(vertex_shader, nullptr, fragment_shader);
|
2016-04-17 00:57:57 +02:00
|
|
|
state.draw.shader_program = shader.handle;
|
|
|
|
state.Apply();
|
2014-08-28 20:21:54 +02:00
|
|
|
|
|
|
|
// Generate VBO handle for drawing
|
2016-04-17 00:57:57 +02:00
|
|
|
vertex_buffer.Create();
|
2014-08-28 20:21:54 +02:00
|
|
|
|
|
|
|
// Attach vertex data to VAO
|
2019-01-06 05:53:27 +01:00
|
|
|
glNamedBufferData(vertex_buffer.handle, sizeof(ScreenRectVertex) * 4, nullptr, GL_STREAM_DRAW);
|
2014-04-07 06:52:34 +02:00
|
|
|
|
2018-01-11 04:43:17 +01:00
|
|
|
// Allocate textures for the screen
|
2019-01-06 22:49:23 +01:00
|
|
|
screen_info.texture.resource.Create(GL_TEXTURE_2D);
|
2014-04-07 06:52:34 +02:00
|
|
|
|
2019-01-06 22:49:23 +01:00
|
|
|
const GLuint texture = screen_info.texture.resource.handle;
|
|
|
|
glTextureStorage2D(texture, 1, GL_RGBA8, 1, 1);
|
2016-04-17 00:57:57 +02:00
|
|
|
|
2018-01-11 04:43:17 +01:00
|
|
|
screen_info.display_texture = screen_info.texture.resource.handle;
|
2015-05-19 06:21:33 +02:00
|
|
|
|
2018-01-15 06:20:19 +01:00
|
|
|
// Clear screen to black
|
|
|
|
LoadColorToActiveGLTexture(0, 0, 0, 0, screen_info.texture);
|
2014-04-06 22:55:39 +02:00
|
|
|
}
|
|
|
|
|
2019-03-02 21:08:11 +01:00
|
|
|
void RendererOpenGL::AddTelemetryFields() {
|
|
|
|
const char* const gl_version{reinterpret_cast<char const*>(glGetString(GL_VERSION))};
|
|
|
|
const char* const gpu_vendor{reinterpret_cast<char const*>(glGetString(GL_VENDOR))};
|
|
|
|
const char* const gpu_model{reinterpret_cast<char const*>(glGetString(GL_RENDERER))};
|
|
|
|
|
|
|
|
LOG_INFO(Render_OpenGL, "GL_VERSION: {}", gl_version);
|
|
|
|
LOG_INFO(Render_OpenGL, "GL_VENDOR: {}", gpu_vendor);
|
|
|
|
LOG_INFO(Render_OpenGL, "GL_RENDERER: {}", gpu_model);
|
|
|
|
|
|
|
|
auto& telemetry_session = system.TelemetrySession();
|
|
|
|
telemetry_session.AddField(Telemetry::FieldType::UserSystem, "GPU_Vendor", gpu_vendor);
|
|
|
|
telemetry_session.AddField(Telemetry::FieldType::UserSystem, "GPU_Model", gpu_model);
|
|
|
|
telemetry_session.AddField(Telemetry::FieldType::UserSystem, "GPU_OpenGL_Version", gl_version);
|
|
|
|
}
|
|
|
|
|
2018-08-21 01:22:43 +02:00
|
|
|
void RendererOpenGL::CreateRasterizer() {
|
|
|
|
if (rasterizer) {
|
|
|
|
return;
|
|
|
|
}
|
2019-04-06 22:59:56 +02:00
|
|
|
rasterizer = std::make_unique<RasterizerOpenGL>(system, emu_window, screen_info);
|
2018-08-21 01:22:43 +02:00
|
|
|
}
|
|
|
|
|
2015-02-05 15:15:42 +01:00
|
|
|
void RendererOpenGL::ConfigureFramebufferTexture(TextureInfo& texture,
|
2018-03-23 02:04:30 +01:00
|
|
|
const Tegra::FramebufferConfig& framebuffer) {
|
|
|
|
texture.width = framebuffer.width;
|
|
|
|
texture.height = framebuffer.height;
|
2019-02-26 07:47:16 +01:00
|
|
|
texture.pixel_format = framebuffer.pixel_format;
|
2015-02-05 15:15:42 +01:00
|
|
|
|
2019-08-21 07:07:56 +02:00
|
|
|
const auto pixel_format{
|
|
|
|
VideoCore::Surface::PixelFormatFromGPUPixelFormat(framebuffer.pixel_format)};
|
|
|
|
const u32 bytes_per_pixel{VideoCore::Surface::GetBytesPerPixel(pixel_format)};
|
|
|
|
gl_framebuffer_data.resize(texture.width * texture.height * bytes_per_pixel);
|
|
|
|
|
2018-01-11 04:43:17 +01:00
|
|
|
GLint internal_format;
|
2018-03-23 02:04:30 +01:00
|
|
|
switch (framebuffer.pixel_format) {
|
|
|
|
case Tegra::FramebufferConfig::PixelFormat::ABGR8:
|
2019-01-06 22:49:23 +01:00
|
|
|
internal_format = GL_RGBA8;
|
2015-02-05 15:15:42 +01:00
|
|
|
texture.gl_format = GL_RGBA;
|
2018-04-25 01:44:09 +02:00
|
|
|
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
|
2019-08-21 07:22:54 +02:00
|
|
|
break;
|
|
|
|
case Tegra::FramebufferConfig::PixelFormat::RGB565:
|
|
|
|
internal_format = GL_RGB565;
|
|
|
|
texture.gl_format = GL_RGB;
|
|
|
|
texture.gl_type = GL_UNSIGNED_SHORT_5_6_5;
|
2015-02-05 15:15:42 +01:00
|
|
|
break;
|
|
|
|
default:
|
2019-01-06 22:49:23 +01:00
|
|
|
internal_format = GL_RGBA8;
|
2018-11-21 02:27:34 +01:00
|
|
|
texture.gl_format = GL_RGBA;
|
|
|
|
texture.gl_type = GL_UNSIGNED_INT_8_8_8_8_REV;
|
2019-08-21 07:07:56 +02:00
|
|
|
UNIMPLEMENTED_MSG("Unknown framebuffer pixel format: {}",
|
|
|
|
static_cast<u32>(framebuffer.pixel_format));
|
2015-02-05 15:15:42 +01:00
|
|
|
}
|
|
|
|
|
2019-01-06 22:49:23 +01:00
|
|
|
texture.resource.Release();
|
|
|
|
texture.resource.Create(GL_TEXTURE_2D);
|
|
|
|
glTextureStorage2D(texture.resource.handle, 1, internal_format, texture.width, texture.height);
|
2015-02-05 15:15:42 +01:00
|
|
|
}
|
|
|
|
|
2019-12-26 05:50:38 +01:00
|
|
|
void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
|
|
|
|
if (renderer_settings.set_background_color) {
|
|
|
|
// Update background color before drawing
|
|
|
|
glClearColor(Settings::values.bg_red, Settings::values.bg_green, Settings::values.bg_blue,
|
|
|
|
0.0f);
|
|
|
|
}
|
|
|
|
|
|
|
|
// Set projection matrix
|
|
|
|
const std::array ortho_matrix =
|
|
|
|
MakeOrthographicMatrix(static_cast<float>(layout.width), static_cast<float>(layout.height));
|
|
|
|
glUniformMatrix3x2fv(ModelViewMatrixLocation, 1, GL_FALSE, ortho_matrix.data());
|
|
|
|
|
2018-02-12 01:04:27 +01:00
|
|
|
const auto& texcoords = screen_info.display_texcoords;
|
2018-03-23 19:58:27 +01:00
|
|
|
auto left = texcoords.left;
|
|
|
|
auto right = texcoords.right;
|
2018-04-24 17:12:11 +02:00
|
|
|
if (framebuffer_transform_flags != Tegra::FramebufferConfig::TransformFlags::Unset) {
|
2018-03-23 19:58:27 +01:00
|
|
|
if (framebuffer_transform_flags == Tegra::FramebufferConfig::TransformFlags::FlipV) {
|
|
|
|
// Flip the framebuffer vertically
|
|
|
|
left = texcoords.right;
|
|
|
|
right = texcoords.left;
|
|
|
|
} else {
|
|
|
|
// Other transformations are unsupported
|
2018-07-02 18:13:26 +02:00
|
|
|
LOG_CRITICAL(Render_OpenGL, "Unsupported framebuffer_transform_flags={}",
|
2018-07-02 18:20:50 +02:00
|
|
|
static_cast<u32>(framebuffer_transform_flags));
|
2018-03-23 19:58:27 +01:00
|
|
|
UNIMPLEMENTED();
|
|
|
|
}
|
2018-04-24 17:12:11 +02:00
|
|
|
}
|
2016-04-17 00:57:57 +02:00
|
|
|
|
2018-07-18 02:11:41 +02:00
|
|
|
ASSERT_MSG(framebuffer_crop_rect.top == 0, "Unimplemented");
|
|
|
|
ASSERT_MSG(framebuffer_crop_rect.left == 0, "Unimplemented");
|
|
|
|
|
|
|
|
// Scale the output by the crop width/height. This is commonly used with 1280x720 rendering
|
|
|
|
// (e.g. handheld mode) on a 1920x1080 framebuffer.
|
|
|
|
f32 scale_u = 1.f, scale_v = 1.f;
|
|
|
|
if (framebuffer_crop_rect.GetWidth() > 0) {
|
2019-11-08 21:08:07 +01:00
|
|
|
scale_u = static_cast<f32>(framebuffer_crop_rect.GetWidth()) /
|
|
|
|
static_cast<f32>(screen_info.texture.width);
|
2018-07-18 02:11:41 +02:00
|
|
|
}
|
|
|
|
if (framebuffer_crop_rect.GetHeight() > 0) {
|
2019-11-08 21:08:07 +01:00
|
|
|
scale_v = static_cast<f32>(framebuffer_crop_rect.GetHeight()) /
|
|
|
|
static_cast<f32>(screen_info.texture.height);
|
2018-07-18 02:11:41 +02:00
|
|
|
}
|
|
|
|
|
2019-12-26 05:50:38 +01:00
|
|
|
const auto& screen = layout.screen;
|
2019-11-29 00:36:02 +01:00
|
|
|
const std::array vertices = {
|
2019-12-26 05:50:38 +01:00
|
|
|
ScreenRectVertex(screen.left, screen.top, texcoords.top * scale_u, left * scale_v),
|
|
|
|
ScreenRectVertex(screen.right, screen.top, texcoords.bottom * scale_u, left * scale_v),
|
|
|
|
ScreenRectVertex(screen.left, screen.bottom, texcoords.top * scale_u, right * scale_v),
|
|
|
|
ScreenRectVertex(screen.right, screen.bottom, texcoords.bottom * scale_u, right * scale_v),
|
2019-11-29 00:36:02 +01:00
|
|
|
};
|
2019-12-26 05:50:38 +01:00
|
|
|
glNamedBufferSubData(vertex_buffer.handle, 0, sizeof(vertices), std::data(vertices));
|
2014-08-28 20:21:54 +02:00
|
|
|
|
2019-09-11 05:09:37 +02:00
|
|
|
state.textures[0] = screen_info.display_texture;
|
2015-05-19 06:21:33 +02:00
|
|
|
state.Apply();
|
2019-12-25 23:46:04 +01:00
|
|
|
|
|
|
|
// TODO: Signal state tracker about these changes
|
2019-12-25 23:56:17 +01:00
|
|
|
glEnable(GL_CULL_FACE);
|
2019-12-26 05:01:41 +01:00
|
|
|
if (screen_info.display_srgb) {
|
|
|
|
glEnable(GL_FRAMEBUFFER_SRGB);
|
|
|
|
} else {
|
|
|
|
glDisable(GL_FRAMEBUFFER_SRGB);
|
|
|
|
}
|
2019-12-26 00:21:53 +01:00
|
|
|
glDisable(GL_COLOR_LOGIC_OP);
|
2019-12-26 04:25:53 +01:00
|
|
|
glDisable(GL_ALPHA_TEST);
|
2019-12-26 01:52:39 +01:00
|
|
|
glDisable(GL_DEPTH_TEST);
|
2019-12-26 07:34:29 +01:00
|
|
|
glDisable(GL_STENCIL_TEST);
|
2019-12-26 04:25:53 +01:00
|
|
|
glDisable(GL_POLYGON_OFFSET_FILL);
|
2019-12-26 06:11:01 +01:00
|
|
|
glDisable(GL_RASTERIZER_DISCARD);
|
2019-12-26 07:51:50 +01:00
|
|
|
glDisablei(GL_BLEND, 0);
|
2019-12-26 05:28:17 +01:00
|
|
|
glDisablei(GL_SCISSOR_TEST, 0);
|
2019-12-25 23:56:17 +01:00
|
|
|
glCullFace(GL_BACK);
|
2019-12-25 23:46:04 +01:00
|
|
|
glFrontFace(GL_CW);
|
2019-12-26 05:19:15 +01:00
|
|
|
glColorMaski(0, GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
2019-12-26 06:27:26 +01:00
|
|
|
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
|
2019-12-26 05:50:38 +01:00
|
|
|
glViewport(0, 0, layout.width, layout.height);
|
2019-12-25 23:46:04 +01:00
|
|
|
|
2019-12-26 04:16:52 +01:00
|
|
|
glVertexAttribFormat(PositionLocation, 2, GL_FLOAT, GL_FALSE,
|
|
|
|
offsetof(ScreenRectVertex, position));
|
|
|
|
glVertexAttribFormat(TexCoordLocation, 2, GL_FLOAT, GL_FALSE,
|
|
|
|
offsetof(ScreenRectVertex, tex_coord));
|
|
|
|
glVertexAttribBinding(PositionLocation, 0);
|
|
|
|
glVertexAttribBinding(TexCoordLocation, 0);
|
|
|
|
glBindVertexBuffer(0, vertex_buffer.handle, 0, sizeof(ScreenRectVertex));
|
|
|
|
|
2019-12-26 05:50:38 +01:00
|
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
2014-08-28 20:21:54 +02:00
|
|
|
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
2019-12-26 05:01:41 +01:00
|
|
|
|
2019-01-06 05:53:27 +01:00
|
|
|
// Restore default state
|
2019-07-11 06:32:12 +02:00
|
|
|
state.textures[0] = 0;
|
2016-04-17 00:57:57 +02:00
|
|
|
state.Apply();
|
2014-08-28 20:21:54 +02:00
|
|
|
}
|
|
|
|
|
2020-02-17 20:31:14 +01:00
|
|
|
void RendererOpenGL::TryPresent(int timeout_ms) {
|
|
|
|
const auto& layout = render_window.GetFramebufferLayout();
|
2020-02-27 00:28:50 +01:00
|
|
|
auto frame = frame_mailbox->TryGetPresentFrame(timeout_ms);
|
2020-02-17 20:31:14 +01:00
|
|
|
if (!frame) {
|
|
|
|
LOG_DEBUG(Render_OpenGL, "TryGetPresentFrame returned no frame to present");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
// Clearing before a full overwrite of a fbo can signal to drivers that they can avoid a
|
|
|
|
// readback since we won't be doing any blending
|
|
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
|
|
|
|
|
|
// Recreate the presentation FBO if the color attachment was changed
|
|
|
|
if (frame->color_reloaded) {
|
|
|
|
LOG_DEBUG(Render_OpenGL, "Reloading present frame");
|
2020-02-27 00:28:50 +01:00
|
|
|
frame_mailbox->ReloadPresentFrame(frame, layout.width, layout.height);
|
2020-02-17 20:31:14 +01:00
|
|
|
}
|
|
|
|
glWaitSync(frame->render_fence, 0, GL_TIMEOUT_IGNORED);
|
|
|
|
// INTEL workaround.
|
|
|
|
// Normally we could just delete the draw fence here, but due to driver bugs, we can just delete
|
|
|
|
// it on the emulation thread without too much penalty
|
|
|
|
// glDeleteSync(frame.render_sync);
|
|
|
|
// frame.render_sync = 0;
|
|
|
|
|
|
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, frame->present.handle);
|
|
|
|
glBlitFramebuffer(0, 0, frame->width, frame->height, 0, 0, layout.width, layout.height,
|
|
|
|
GL_COLOR_BUFFER_BIT, GL_LINEAR);
|
|
|
|
|
|
|
|
// Insert fence for the main thread to block on
|
|
|
|
frame->present_fence = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
|
|
|
|
glFlush();
|
|
|
|
|
|
|
|
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
|
2014-04-06 22:55:39 +02:00
|
|
|
}
|
|
|
|
|
2020-02-17 20:31:14 +01:00
|
|
|
void RendererOpenGL::RenderScreenshot() {
|
|
|
|
if (!renderer_settings.screenshot_requested) {
|
|
|
|
return;
|
|
|
|
}
|
2014-04-06 22:55:39 +02:00
|
|
|
|
2018-08-31 08:16:16 +02:00
|
|
|
// Draw the current frame to the screenshot framebuffer
|
|
|
|
screenshot_framebuffer.Create();
|
|
|
|
GLuint old_read_fb = state.draw.read_framebuffer;
|
|
|
|
GLuint old_draw_fb = state.draw.draw_framebuffer;
|
|
|
|
state.draw.read_framebuffer = state.draw.draw_framebuffer = screenshot_framebuffer.handle;
|
|
|
|
state.Apply();
|
|
|
|
|
|
|
|
Layout::FramebufferLayout layout{renderer_settings.screenshot_framebuffer_layout};
|
|
|
|
|
|
|
|
GLuint renderbuffer;
|
|
|
|
glGenRenderbuffers(1, &renderbuffer);
|
|
|
|
glBindRenderbuffer(GL_RENDERBUFFER, renderbuffer);
|
2019-09-03 06:05:23 +02:00
|
|
|
glRenderbufferStorage(GL_RENDERBUFFER, screen_info.display_srgb ? GL_SRGB8 : GL_RGB8,
|
|
|
|
layout.width, layout.height);
|
2018-08-31 08:16:16 +02:00
|
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, renderbuffer);
|
|
|
|
|
|
|
|
DrawScreen(layout);
|
|
|
|
|
|
|
|
glReadPixels(0, 0, layout.width, layout.height, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
|
|
|
|
renderer_settings.screenshot_bits);
|
|
|
|
|
|
|
|
screenshot_framebuffer.Release();
|
|
|
|
state.draw.read_framebuffer = old_read_fb;
|
|
|
|
state.draw.draw_framebuffer = old_draw_fb;
|
|
|
|
state.Apply();
|
|
|
|
glDeleteRenderbuffers(1, &renderbuffer);
|
|
|
|
|
|
|
|
renderer_settings.screenshot_complete_callback();
|
|
|
|
renderer_settings.screenshot_requested = false;
|
|
|
|
}
|
|
|
|
|
2016-01-07 20:33:54 +01:00
|
|
|
bool RendererOpenGL::Init() {
|
2015-10-10 01:32:40 +02:00
|
|
|
if (GLAD_GL_KHR_debug) {
|
|
|
|
glEnable(GL_DEBUG_OUTPUT);
|
|
|
|
glDebugMessageCallback(DebugHandler, nullptr);
|
|
|
|
}
|
|
|
|
|
2019-03-02 21:08:11 +01:00
|
|
|
AddTelemetryFields();
|
2017-07-13 04:19:34 +02:00
|
|
|
|
2018-11-18 01:28:14 +01:00
|
|
|
if (!GLAD_GL_VERSION_4_3) {
|
2016-01-07 20:33:54 +01:00
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
2014-08-28 11:34:47 +02:00
|
|
|
InitOpenGLObjects();
|
2018-08-21 01:22:43 +02:00
|
|
|
CreateRasterizer();
|
2016-01-07 20:33:54 +01:00
|
|
|
|
|
|
|
return true;
|
2014-04-06 22:55:39 +02:00
|
|
|
}
|
|
|
|
|
2016-09-19 03:01:46 +02:00
|
|
|
void RendererOpenGL::ShutDown() {}
|
2018-08-21 10:18:27 +02:00
|
|
|
|
|
|
|
} // namespace OpenGL
|