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Add a separate thread for rendering and add texture mailbox and shared context to SDL

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This commit is contained in:
James Rowe 2019-09-16 20:39:19 -06:00
parent 91255b8802
commit fcbe5e1acd
3 changed files with 84 additions and 14 deletions
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61
src/citra/emu_window/emu_window_sdl2.cpp
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@ -20,6 +20,28 @@
#include "input_common/motion_emu.h"
#include "input_common/sdl/sdl.h"
#include "network/network.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
SharedContext_SDL2::SharedContext_SDL2() {
window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 0, 0,
SDL_WINDOW_HIDDEN | SDL_WINDOW_OPENGL);
context = SDL_GL_CreateContext(window);
}
SharedContext_SDL2::~SharedContext_SDL2() {
DoneCurrent();
SDL_GL_DeleteContext(context);
SDL_DestroyWindow(window);
}
void SharedContext_SDL2::MakeCurrent() {
SDL_GL_MakeCurrent(window, context);
}
void SharedContext_SDL2::DoneCurrent() {
SDL_GL_MakeCurrent(window, nullptr);
}
void EmuWindow_SDL2::OnMouseMotion(s32 x, s32 y) {
TouchMoved((unsigned)std::max(x, 0), (unsigned)std::max(y, 0));
@ -135,6 +157,10 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
// Enable context sharing for the shared context
SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
// Enable vsync
SDL_GL_SetSwapInterval(1);
std::string window_title = fmt::format("Citra {} | {}-{}", Common::g_build_fullname,
Common::g_scm_branch, Common::g_scm_desc);
@ -150,16 +176,24 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
exit(1);
}
dummy_window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 0, 0,
SDL_WINDOW_HIDDEN | SDL_WINDOW_OPENGL);
if (fullscreen) {
Fullscreen();
}
gl_context = SDL_GL_CreateContext(render_window);
window_context = SDL_GL_CreateContext(render_window);
core_context = CreateSharedContext();
if (gl_context == nullptr) {
if (window_context == nullptr) {
LOG_CRITICAL(Frontend, "Failed to create SDL2 GL context: {}", SDL_GetError());
exit(1);
}
if (core_context == nullptr) {
LOG_CRITICAL(Frontend, "Failed to create shared SDL2 GL context: {}", SDL_GetError());
exit(1);
}
auto gl_load_func = Settings::values.use_gles ? gladLoadGLES2Loader : gladLoadGLLoader;
@ -171,23 +205,30 @@ EmuWindow_SDL2::EmuWindow_SDL2(bool fullscreen) {
OnResize();
OnMinimalClientAreaChangeRequest(GetActiveConfig().min_client_area_size);
SDL_PumpEvents();
SDL_GL_SetSwapInterval(Settings::values.vsync_enabled);
LOG_INFO(Frontend, "Citra Version: {} | {}-{}", Common::g_build_fullname, Common::g_scm_branch,
Common::g_scm_desc);
Settings::LogSettings();
DoneCurrent();
}
EmuWindow_SDL2::~EmuWindow_SDL2() {
Network::Shutdown();
InputCommon::Shutdown();
SDL_GL_DeleteContext(gl_context);
SDL_GL_DeleteContext(window_context);
SDL_Quit();
}
void EmuWindow_SDL2::SwapBuffers() {
SDL_GL_SwapWindow(render_window);
std::unique_ptr<Frontend::GraphicsContext> EmuWindow_SDL2::CreateSharedContext() const {
return std::make_unique<SharedContext_SDL2>();
}
void EmuWindow_SDL2::Present() {
SDL_GL_MakeCurrent(render_window, window_context);
SDL_GL_SetSwapInterval(1);
while (IsOpen()) {
VideoCore::g_renderer->Present();
SDL_GL_SwapWindow(render_window);
}
SDL_GL_MakeCurrent(render_window, nullptr);
}
void EmuWindow_SDL2::PollEvents() {
@ -256,11 +297,11 @@ void EmuWindow_SDL2::PollEvents() {
}
void EmuWindow_SDL2::MakeCurrent() {
SDL_GL_MakeCurrent(render_window, gl_context);
core_context->MakeCurrent();
}
void EmuWindow_SDL2::DoneCurrent() {
SDL_GL_MakeCurrent(render_window, nullptr);
core_context->DoneCurrent();
}
void EmuWindow_SDL2::OnMinimalClientAreaChangeRequest(std::pair<u32, u32> minimal_size) {