diff options
Diffstat (limited to 'mesalib/src/mesa/vbo')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_exec_array.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c index bd05cd0c3..1670409d4 100644 --- a/mesalib/src/mesa/vbo/vbo_exec_array.c +++ b/mesalib/src/mesa/vbo/vbo_exec_array.c @@ -1334,6 +1334,16 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode, } } + /* Draw primitives individually if one count is zero, so we can easily skip + * that primitive. + */ + for (i = 0; i < primcount; i++) { + if (count[i] == 0) { + fallback = GL_TRUE; + break; + } + } + /* If the index buffer isn't in a VBO, then treating the application's * subranges of the index buffer as one large index buffer may lead to * us reading unmapped memory. @@ -1370,6 +1380,8 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode, } else { /* render one prim at a time */ for (i = 0; i < primcount; i++) { + if (count[i] == 0) + continue; ib.count = count[i]; ib.type = type; ib.obj = ctx->Array.ArrayObj->ElementArrayBufferObj; |