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add in High DPI support (aka Retina)

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- based on J?rgen's patch with a few bug fixes
This commit is contained in:
Edward Rudd
2013-09-20 13:43:00 -04:00
parent 0103bc0bff
commit 869a707612
12 changed files with 134 additions and 11 deletions
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9
test/testgl2.c
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@@ -180,6 +180,7 @@ main(int argc, char *argv[])
SDL_Event event;
Uint32 then, now, frames;
int status;
int dw, dh;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
@@ -254,6 +255,10 @@ main(int argc, char *argv[])
SDL_GetCurrentDisplayMode(0, &mode);
SDL_Log("Screen BPP : %d\n", SDL_BITSPERPIXEL(mode.format));
SDL_Log("Swap Interval : %d\n", SDL_GL_GetSwapInterval());
SDL_GetWindowSize(state->windows[0], &dw, &dh);
SDL_Log("Window Size : %d,%d\n", dw, dh);
SDL_GL_GetDrawableSize(state->windows[0], &dw, &dh);
SDL_Log("Draw Size : %d,%d\n", dw, dh);
SDL_Log("\n");
SDL_Log("Vendor : %s\n", glGetString(GL_VENDOR));
SDL_Log("Renderer : %s\n", glGetString(GL_RENDERER));
@@ -322,7 +327,7 @@ main(int argc, char *argv[])
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glShadeModel(GL_SMOOTH);
/* Main render loop */
frames = 0;
then = SDL_GetTicks();
@@ -336,7 +341,7 @@ main(int argc, char *argv[])
for (i = 0; i < state->num_windows; ++i) {
int w, h;
SDL_GL_MakeCurrent(state->windows[i], context);
SDL_GetWindowSize(state->windows[i], &w, &h);
SDL_GL_GetDrawableSize(state->windows[i], &w, &h);
glViewport(0, 0, w, h);
Render();
SDL_GL_SwapWindow(state->windows[i]);