SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_RenderGeometry

Render a list of triangles, optionally using a texture and indices into the vertex array Color and alpha modulation is done per vertex (SDL_SetTextureColorMod and SDL_SetTextureAlphaMod are ignored).

Syntax

int SDL_RenderGeometry(SDL_Renderer *renderer,
                       SDL_Texture *texture,
                       const SDL_Vertex *vertices, int num_vertices,
                       const int *indices, int num_indices);

Function Parameters

renderer

The rendering context.

texture

(optional) The SDL texture to use.

vertices

Vertices.

num_vertices

Number of vertices.

indices

(optional) An array of integer indices into the 'vertices' array, if NULL all vertices will be rendered in sequential order.

num_indices

Number of indices.

Return Value

Return 0 on success, or -1 if the operation is not supported

Version

This function is available since SDL 2.0.18.

SDL_RenderGeometryRaw
SDL_Vertex

CategoryAPI


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