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start cleaning up: move OpenGL stuff out of EmuThread

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This commit is contained in:
Arisotura
2023-12-26 19:04:01 +01:00
parent 5c90cb939d
commit 7f437d48db
6 changed files with 263 additions and 151 deletions
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206
src/frontend/qt_sdl/Screen.cpp
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@ -34,29 +34,25 @@
#endif
#endif
#include "OpenGLSupport.h"
#include "duckstation/gl/context.h"
#include "main.h"
#include "NDS.h"
#include "GPU.h"
#include "GPU3D_Soft.h"
#include "GPU3D_OpenGL.h"
#include "Platform.h"
#include "Config.h"
//#include "main_shaders.h"
#include "main_shaders.h"
#include "OSD.h"
using namespace melonDS;
/*const struct { int id; float ratio; const char* label; } aspectRatios[] =
{
{ 0, 1, "4:3 (native)" },
{ 4, (5.f / 3) / (4.f / 3), "5:3 (3DS)"},
{ 1, (16.f / 9) / (4.f / 3), "16:9" },
{ 2, (21.f / 9) / (4.f / 3), "21:9" },
{ 3, 0, "window" }
};
int AspectRatiosNum = sizeof(aspectRatios) / sizeof(aspectRatios[0]);*/
// TEMP
extern MainWindow* mainWindow;
extern EmuThread* emuThread;
@ -432,6 +428,172 @@ bool ScreenPanelGL::createContext()
return glContext != nullptr;
}
void ScreenPanelGL::setSwapInterval(int intv)
{
if (!glContext) return;
glContext->SetSwapInterval(intv);
}
void ScreenPanelGL::initOpenGL()
{
if (!glContext) return;
glContext->MakeCurrent();
OpenGL::BuildShaderProgram(kScreenVS, kScreenFS, screenShaderProgram, "ScreenShader");
GLuint pid = screenShaderProgram[2];
glBindAttribLocation(pid, 0, "vPosition");
glBindAttribLocation(pid, 1, "vTexcoord");
glBindFragDataLocation(pid, 0, "oColor");
OpenGL::LinkShaderProgram(screenShaderProgram);
glUseProgram(pid);
glUniform1i(glGetUniformLocation(pid, "ScreenTex"), 0);
screenShaderScreenSizeULoc = glGetUniformLocation(pid, "uScreenSize");
screenShaderTransformULoc = glGetUniformLocation(pid, "uTransform");
// to prevent bleeding between both parts of the screen
// with bilinear filtering enabled
const int paddedHeight = 192*2+2;
const float padPixels = 1.f / paddedHeight;
const float vertices[] =
{
0.f, 0.f, 0.f, 0.f,
0.f, 192.f, 0.f, 0.5f - padPixels,
256.f, 192.f, 1.f, 0.5f - padPixels,
0.f, 0.f, 0.f, 0.f,
256.f, 192.f, 1.f, 0.5f - padPixels,
256.f, 0.f, 1.f, 0.f,
0.f, 0.f, 0.f, 0.5f + padPixels,
0.f, 192.f, 0.f, 1.f,
256.f, 192.f, 1.f, 1.f,
0.f, 0.f, 0.f, 0.5f + padPixels,
256.f, 192.f, 1.f, 1.f,
256.f, 0.f, 1.f, 0.5f + padPixels
};
glGenBuffers(1, &screenVertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, screenVertexBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
glGenVertexArrays(1, &screenVertexArray);
glBindVertexArray(screenVertexArray);
glEnableVertexAttribArray(0); // position
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4*4, (void*)(0));
glEnableVertexAttribArray(1); // texcoord
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4*4, (void*)(2*4));
glGenTextures(1, &screenTexture);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, screenTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 256, paddedHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
// fill the padding
u8 zeroData[256*4*4];
memset(zeroData, 0, sizeof(zeroData));
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192, 256, 2, GL_RGBA, GL_UNSIGNED_BYTE, zeroData);
OSD::Init(true);
glContext->SetSwapInterval(Config::ScreenVSync ? Config::ScreenVSyncInterval : 0);
transferLayout();
}
void ScreenPanelGL::deinitOpenGL()
{
if (!glContext) return;
glDeleteTextures(1, &screenTexture);
glDeleteVertexArrays(1, &screenVertexArray);
glDeleteBuffers(1, &screenVertexBuffer);
OpenGL::DeleteShaderProgram(screenShaderProgram);
OSD::DeInit();
glContext->DoneCurrent();
lastScreenWidth = lastScreenHeight = -1;
}
void ScreenPanelGL::drawScreenGL()
{
if (!glContext) return;
if (!emuThread->NDS) return;
int w = windowInfo.surface_width;
int h = windowInfo.surface_height;
float factor = windowInfo.surface_scale;
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glDisable(GL_DEPTH_TEST);
glDepthMask(false);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_STENCIL_TEST);
glClear(GL_COLOR_BUFFER_BIT);
glViewport(0, 0, w, h);
glUseProgram(screenShaderProgram[2]);
glUniform2f(screenShaderScreenSizeULoc, w / factor, h / factor);
int frontbuf = emuThread->FrontBuffer;
glActiveTexture(GL_TEXTURE0);
#ifdef OGLRENDERER_ENABLED
if (emuThread->NDS->GPU.GetRenderer3D().Accelerated)
{
// hardware-accelerated render
static_cast<GLRenderer&>(emuThread->NDS->GPU.GetRenderer3D()).GetCompositor().BindOutputTexture(frontbuf);
}
else
#endif
{
// regular render
glBindTexture(GL_TEXTURE_2D, screenTexture);
if (emuThread->NDS->GPU.Framebuffer[frontbuf][0] && emuThread->NDS->GPU.Framebuffer[frontbuf][1])
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 192, GL_RGBA,
GL_UNSIGNED_BYTE, emuThread->NDS->GPU.Framebuffer[frontbuf][0].get());
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 192+2, 256, 192, GL_RGBA,
GL_UNSIGNED_BYTE, emuThread->NDS->GPU.Framebuffer[frontbuf][1].get());
}
}
screenSettingsLock.lock();
GLint filter = this->filter ? GL_LINEAR : GL_NEAREST;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter);
glBindBuffer(GL_ARRAY_BUFFER, screenVertexBuffer);
glBindVertexArray(screenVertexArray);
for (int i = 0; i < numScreens; i++)
{
glUniformMatrix2x3fv(screenShaderTransformULoc, 1, GL_TRUE, screenMatrix[i]);
glDrawArrays(GL_TRIANGLES, screenKind[i] == 0 ? 0 : 2*3, 2*3);
}
screenSettingsLock.unlock();
OSD::Update();
OSD::DrawGL(w, h);
glContext->SwapBuffers();
}
qreal ScreenPanelGL::devicePixelRatioFromScreen() const
{
const QScreen* screen_for_ratio = window()->windowHandle()->screen();
@ -507,8 +669,7 @@ void ScreenPanelGL::setupScreenLayout()
int h = height();
screenSetupLayout(w, h);
if (emuThread)
transferLayout(emuThread);
transferLayout();
}
void ScreenPanelGL::resizeEvent(QResizeEvent* event)
@ -550,11 +711,26 @@ bool ScreenPanelGL::event(QEvent* event)
return QWidget::event(event);
}
void ScreenPanelGL::transferLayout(EmuThread* thread)
void ScreenPanelGL::transferLayout()
{
std::optional<WindowInfo> windowInfo = getWindowInfo();
if (windowInfo.has_value())
thread->updateScreenSettings(Config::ScreenFilter, *windowInfo, numScreens, screenKind, &screenMatrix[0][0]);
{
screenSettingsLock.lock();
if (lastScreenWidth != windowInfo->surface_width || lastScreenHeight != windowInfo->surface_height)
{
if (glContext)
glContext->ResizeSurface(windowInfo->surface_width, windowInfo->surface_height);
lastScreenWidth = windowInfo->surface_width;
lastScreenHeight = windowInfo->surface_height;
}
this->filter = Config::ScreenFilter;
this->windowInfo = *windowInfo;
screenSettingsLock.unlock();
}
}
void ScreenPanelGL::onScreenLayoutChanged()