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Configure the runtime OpenGL 3.3 core context

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Co-authored-by: douglasjv <vanderveerdouglas@gmail.com>
This commit is contained in:
Codex
2026-07-14 10:00:41 -07:00
committed by Matthew Stanley
parent 2f23c06a98
commit b156770bbd
2 changed files with 25 additions and 5 deletions
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docs/internal/upstream/douglas-pr15-macos-gl-context.md
+9
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@@ -0,0 +1,9 @@
# macOS OpenGL context setup
Source: [PSXRecomp PR #15](https://github.com/mstan/psxrecomp/pull/15),
commit [`df7d1faa5f27be0ba357463a763c77efc43e1f91`](https://github.com/douglasjv/psxrecomp-tweaks/commit/df7d1faa5f27be0ba357463a763c77efc43e1f91).
This branch isolates the reusable OpenGL 3.3 core-context setup and applies it
to both launcher and direct game windows. CPU-copied overlay discovery, debug
input additions, and title-specific material from the source commit are not
included.
runtime/src/main.cpp
+16 -5
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@@ -374,6 +374,17 @@ static void clamp_window_aspect(int* w, int* h, int num, int den) {
*h = width * den / num;
}
/* SDL GL attributes are global inputs to the next context creation. Set the
* runtime requirements immediately before every GL window, because launcher
* teardown resets them and macOS otherwise supplies a legacy 2.1 context. */
static void configure_core_gl_context_attributes() {
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
}
/* Live native-wide vs squash toggle (ws_nw TCP command) for A/B comparison.
* Re-engages with the chosen mode in place if widescreen is already running. */
extern "C" void psx_ws_set_native_wide(int on) {
@@ -3243,10 +3254,7 @@ int main(int argc, char** argv) {
seed.has_deadzone = true;
seed.window_width = g_video_win_w; seed.has_window_width = true;
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
configure_core_gl_context_attributes();
/* Launcher opens at the same 4:3 size the game will, so there's no
* jarring resize on LAUNCH. The dense dashboard needs a usable
@@ -3569,7 +3577,10 @@ int main(int argc, char** argv) {
#endif
Uint32 win_flags = SDL_WINDOW_SHOWN | SDL_WINDOW_RESIZABLE;
if (g_video_renderer == 1) win_flags |= SDL_WINDOW_OPENGL;
if (g_video_renderer == 1) {
configure_core_gl_context_attributes();
win_flags |= SDL_WINDOW_OPENGL;
}
if (g_video_renderer == 2) win_flags |= SDL_WINDOW_VULKAN;
/* Fullscreen on launch (launcher "Fullscreen on launch" toggle). DESKTOP
* fullscreen keeps the desktop resolution and letterboxes the image, matching