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Improve FPS on lower end hardware

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This commit is contained in:
Lorenzooone
2024-07-04 22:09:32 +02:00
committed by GitHub
parent e9084745b9
commit 83b6dd522a
5 changed files with 59 additions and 27 deletions
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53
source/WindowScreen.cpp
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@@ -1,5 +1,6 @@
#include "frontend.hpp"
#include <SFML/OpenGL.hpp>
#include <cstring>
#include "font_ttf.h"
@@ -12,6 +13,17 @@
#define FALLBACK_FS_RESOLUTION_HEIGHT 1080
#define FALLBACK_FS_RESOLUTION_BPP 32
const std::string no_effect_fragment_shader = \
"uniform sampler2D Texture0;" \
"" \
"void main() {" \
" gl_FragColor = texture2D(Texture0, gl_TexCoord[0].xy);" \
"}";
static bool loaded_shaders = false;
static int n_shader_refs = 0;
static sf::Shader *base_shader;
WindowScreen::WindowScreen(ScreenType stype, CaptureStatus* capture_status, DisplayData* display_data, AudioData* audio_data, ExtraButtonShortcuts* extra_button_shortcuts) {
this->m_stype = stype;
insert_basic_crops(this->possible_crops, this->m_stype, false, false);
@@ -55,6 +67,16 @@ WindowScreen::WindowScreen(ScreenType stype, CaptureStatus* capture_status, Disp
this->capture_status = capture_status;
if(this->display_data->mono_app_mode && this->m_stype == ScreenType::JOINT)
this->m_info.is_fullscreen = true;
if(!loaded_shaders) {
base_shader = new sf::Shader();
base_shader->loadFromMemory(no_effect_fragment_shader, sf::Shader::Fragment);
loaded_shaders = true;
}
n_shader_refs += 1;
this->in_top_shader = base_shader;
this->in_bot_shader = base_shader;
this->top_shader = base_shader;
this->bot_shader = base_shader;
}
WindowScreen::~WindowScreen() {
@@ -66,6 +88,11 @@ WindowScreen::~WindowScreen() {
FPSArrayDestroy(&this->in_fps);
FPSArrayDestroy(&this->draw_fps);
FPSArrayDestroy(&this->poll_fps);
if(n_shader_refs == 1) {
delete base_shader;
loaded_shaders = false;
}
n_shader_refs -= 1;
}
void WindowScreen::build() {
@@ -385,13 +412,28 @@ std::string WindowScreen::title_factory() {
return title;
}
void WindowScreen::update_texture() {
unsigned int m_texture = this->in_tex.getNativeHandle();
if (this->saved_buf && m_texture)
{
// Copy pixels from the given array to the texture
glBindTexture(GL_TEXTURE_2D, m_texture);
glTexSubImage2D(GL_TEXTURE_2D, 0, static_cast<GLint>(0), static_cast<GLint>(0), static_cast<GLsizei>(this->capture_status->device.width), static_cast<GLsizei>(this->capture_status->device.height), GL_RGB, GL_UNSIGNED_BYTE, this->saved_buf);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
// Force an OpenGL flush, so that the texture data will appear updated
// in all contexts immediately (solves problems in multi-threaded apps)
glFlush();
}
}
void WindowScreen::pre_texture_conversion_processing() {
if(this->loaded_menu == CONNECT_MENU_TYPE)
return;
//Place preprocessing window-specific effects here
if(!this->capture_status->connected)
return;
this->in_tex.update((uint8_t*)this->saved_buf, this->capture_status->device.width, this->capture_status->device.height, 0, 0);
this->update_texture();
}
void WindowScreen::post_texture_conversion_processing(out_rect_data &rect_data, const sf::RectangleShape &in_rect, bool actually_draw, bool is_top, bool is_debug) {
@@ -409,7 +451,10 @@ void WindowScreen::post_texture_conversion_processing(out_rect_data &rect_data,
else {
rect_data.out_tex.clear();
if(this->capture_status->connected && actually_draw) {
rect_data.out_tex.draw(in_rect);
sf::Shader* chosen_shader = this->in_top_shader;
if(!is_top)
chosen_shader = this->in_bot_shader;
rect_data.out_tex.draw(in_rect, chosen_shader);
//Place postprocessing effects here
}
}
@@ -431,9 +476,9 @@ void WindowScreen::display_data_to_window(bool actually_draw, bool is_debug) {
this->window_bg_processing();
if(this->loaded_menu != CONNECT_MENU_TYPE) {
if(this->m_stype != ScreenType::BOTTOM)
this->m_win.draw(this->m_out_rect_top.out_rect);
this->m_win.draw(this->m_out_rect_top.out_rect, this->top_shader);
if(this->m_stype != ScreenType::TOP)
this->m_win.draw(this->m_out_rect_bot.out_rect);
this->m_win.draw(this->m_out_rect_bot.out_rect, this->bot_shader);
}
this->execute_menu_draws();
this->notification->draw(this->m_win);