mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2026-07-09 02:39:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

metal: check MTLBuffer allocations for nil before using their contents.

Browse Source 
(cherry picked from commit e1b3c8afd5)
This commit is contained in:
Jacul
2026-07-05 22:52:41 -04:00
committed by Sam Lantinga
parent c42843c389
commit a19040c84d
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/render/metal/SDL_render_metal.m
View File

@@ -1564,6 +1564,9 @@ static bool SetDrawState(SDL_Renderer *renderer, const SDL_RenderCommand *cmd, c
if (statecache->shader_constants_dirty ||
SDL_memcmp(shader_constants, &statecache->shader_constants, sizeof(*shader_constants)) != 0) {
id<MTLBuffer> mtlbufconstants = [data.mtldevice newBufferWithLength:sizeof(*shader_constants) options:MTLResourceStorageModeShared];
if (mtlbufconstants == nil) {
return SDL_OutOfMemory();
}
mtlbufconstants.label = @"SDL shader constants data";
SDL_memcpy([mtlbufconstants contents], shader_constants, sizeof(*shader_constants));
[data.mtlcmdencoder setFragmentBuffer:mtlbufconstants offset:0 atIndex:0];
@@ -1734,6 +1737,9 @@ static bool METAL_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd
* practices guide recommends this approach for streamed vertex data.
*/
mtlbufvertex = [data.mtldevice newBufferWithLength:vertsize options:MTLResourceStorageModeShared];
if (mtlbufvertex == nil) {
return SDL_OutOfMemory();
}
mtlbufvertex.label = @"SDL vertex data";
SDL_memcpy([mtlbufvertex contents], vertices, vertsize);