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Lock SDL_Surfaces

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This commit is contained in:
Clownacy 2020-09-08 18:53:06 +01:00
parent f1a85d4d2c
commit 7c4a2b5caa
1 changed files with 8 additions and 1 deletions
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9
src/Backends/Rendering/SDLSurface.cpp
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@ -149,15 +149,18 @@ unsigned char* RenderBackend_LockSurface(RenderBackend_Surface *surface, unsigne
if (surface == NULL) if (surface == NULL)
return NULL; return NULL;
SDL_LockSurface(surface->sdlsurface);
*pitch = surface->sdlsurface->pitch; *pitch = surface->sdlsurface->pitch;
return (unsigned char*)surface->sdlsurface->pixels; return (unsigned char*)surface->sdlsurface->pixels;
} }
void RenderBackend_UnlockSurface(RenderBackend_Surface *surface, unsigned int width, unsigned int height) void RenderBackend_UnlockSurface(RenderBackend_Surface *surface, unsigned int width, unsigned int height)
{ {
(void)surface;
(void)width; (void)width;
(void)height; (void)height;
SDL_UnlockSurface(surface->sdlsurface);
} }
void RenderBackend_Blit(RenderBackend_Surface *source_surface, const RenderBackend_Rect *rect, RenderBackend_Surface *destination_surface, long x, long y, bool colour_key) void RenderBackend_Blit(RenderBackend_Surface *source_surface, const RenderBackend_Rect *rect, RenderBackend_Surface *destination_surface, long x, long y, bool colour_key)
@ -225,6 +228,8 @@ void RenderBackend_DestroyGlyphAtlas(RenderBackend_GlyphAtlas *atlas)
void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height) void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t y, const unsigned char *pixels, size_t width, size_t height)
{ {
SDL_LockSurface(atlas->sdlsurface);
const unsigned char *source_pointer = pixels; const unsigned char *source_pointer = pixels;
for (size_t iy = 0; iy < height; ++iy) for (size_t iy = 0; iy < height; ++iy)
@ -239,6 +244,8 @@ void RenderBackend_UploadGlyph(RenderBackend_GlyphAtlas *atlas, size_t x, size_t
*destination_pointer++ = *source_pointer++; *destination_pointer++ = *source_pointer++;
} }
} }
SDL_UnlockSurface(atlas->sdlsurface);
} }
void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBackend_Surface *destination_surface, const unsigned char *colour_channels) void RenderBackend_PrepareToDrawGlyphs(RenderBackend_GlyphAtlas *atlas, RenderBackend_Surface *destination_surface, const unsigned char *colour_channels)