mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-10-03 08:28:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added support for SDL_RENDERER_PRESENTVSYNC to the software renderer

Browse Source 
This fixes https://github.com/libsdl-org/SDL/issues/4612
This commit is contained in:
Sam Lantinga
2021-08-10 12:02:17 -07:00
parent ea9bece5ed
commit fcfd19db86
3 changed files with 50 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/render/SDL_render.c
View File

@@ -833,7 +833,8 @@ SDL_CreateRenderer(SDL_Window * window, int index, Uint32 flags)
goto error;
}
if (SDL_GetHint(SDL_HINT_RENDER_VSYNC)) {
hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
if (hint && *hint) {
if (SDL_GetHintBoolean(SDL_HINT_RENDER_VSYNC, SDL_TRUE)) {
flags |= SDL_RENDERER_PRESENTVSYNC;
} else {

15
src/render/software/SDL_render_sw.c
View File

@@ -859,9 +859,22 @@ SW_CreateRendererForSurface(SDL_Surface * surface)
static SDL_Renderer *
SW_CreateRenderer(SDL_Window * window, Uint32 flags)
{
const char *hint;
SDL_Surface *surface;
/* Set the vsync hint based on our flags, if it's not already set */
hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
if (!hint || !*hint) {
SDL_SetHint(SDL_HINT_RENDER_VSYNC, (flags & SDL_RENDERER_PRESENTVSYNC) ? "1" : "0");
}
surface = SDL_GetWindowSurface(window);
/* Reset the vsync hint if we set it above */
if (!hint || !*hint) {
SDL_SetHint(SDL_HINT_RENDER_VSYNC, "");
}
if (!surface) {
return NULL;
}
@@ -872,7 +885,7 @@ SDL_RenderDriver SW_RenderDriver = {
SW_CreateRenderer,
{
"software",
SDL_RENDERER_SOFTWARE | SDL_RENDERER_TARGETTEXTURE,
SDL_RENDERER_SOFTWARE | SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_TARGETTEXTURE,
8,
{
SDL_PIXELFORMAT_ARGB8888,