pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added the SDL_HINT_RENDER_DRIVER and SDL_HINT_RENDER_VSYNC hints.

Browse source
This commit is contained in:
Sam Lantinga 2011-02-05 10:35:36 -08:00
parent 37f40cdb19
commit f8247546d6
3 changed files with 51 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/render/SDL_render.c
View file

@ -23,6 +23,7 @@
/* The SDL 2D rendering system */
#include "SDL_hints.h"
#include "SDL_render.h"
#include "SDL_sysrender.h"
#include "../video/SDL_pixels_c.h"
@ -94,21 +95,32 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
{
SDL_Renderer *renderer = NULL;
int n = SDL_GetNumRenderDrivers();
const char *hint;
hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
if (hint) {
if (*hint == '0') {
flags &= ~SDL_RENDERER_PRESENTVSYNC;
} else {
flags |= SDL_RENDERER_PRESENTVSYNC;
}
}
if (index < 0) {
char *override = SDL_getenv("SDL_VIDEO_RENDERER");
if (override) {
hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
if (hint) {
for (index = 0; index < n; ++index) {
const SDL_RenderDriver *driver = render_drivers[index];
if (SDL_strcasecmp(override, driver->info.name) == 0) {
if (SDL_strcasecmp(hint, driver->info.name) == 0) {
/* Create a new renderer instance */
renderer = driver->CreateRenderer(window, flags);
break;
}
}
} else {
}
if (!renderer) {
for (index = 0; index < n; ++index) {
const SDL_RenderDriver *driver = render_drivers[index];