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Add SDL_RenderGeometry based on SDL_RenderGeometryRaw

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Sylvain 2021-04-01 09:55:00 +02:00 • committed by Sylvain Becker
parent e481261173
commit cc37c38e30
4 changed files with 50 additions and 0 deletions
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19
src/render/SDL_render.c
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@ -3330,6 +3330,25 @@ SDL_RenderCopyExF(SDL_Renderer * renderer, SDL_Texture * texture,
return retval < 0 ? retval : FlushRenderCommandsIfNotBatching(renderer);
}
#define SDL_OFFSETOF(_TYPE,_MEMBER) ((size_t)&(((_TYPE*)0)->_MEMBER))
int
SDL_RenderGeometry(SDL_Renderer *renderer,
SDL_Texture *texture,
const SDL_Vertex *vertices, int num_vertices,
const int *indices, int num_indices)
{
const float *xy = (const float *)((const Uint8 *)vertices + SDL_OFFSETOF(SDL_Vertex, position));
int xy_stride = sizeof (SDL_Vertex);
const int *color = (const int *) ((const Uint8 *)vertices + SDL_OFFSETOF(SDL_Vertex, color));
int color_stride = sizeof (SDL_Vertex);
const float *uv = (const float *)((const Uint8 *)vertices + SDL_OFFSETOF(SDL_Vertex, tex_coord));
int uv_stride = sizeof (SDL_Vertex);
int size_indice = 4;
return SDL_RenderGeometryRaw(renderer, texture, xy, xy_stride, color, color_stride, uv, uv_stride, num_vertices, indices, num_indices, size_indice);
}
int
SDL_RenderGeometryRaw(SDL_Renderer *renderer,
SDL_Texture *texture,