diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/main/api_validate.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c index 5c8955d7c8d..42d1e579e08 100644 --- a/src/mesa/main/api_validate.c +++ b/src/mesa/main/api_validate.c @@ -87,11 +87,20 @@ check_valid_to_render(GLcontext *ctx, char *function) return GL_FALSE; } - /* Always need vertex positions, unless a vertex program is in use */ - if (!ctx->VertexProgram._Current && - !ctx->Array.ArrayObj->Vertex.Enabled && +#if FEATURE_es2_glsl + /* For ES2, we can draw if any vertex array is enabled (and we should + * always have a vertex program/shader). + */ + if (ctx->Array.ArrayObj->_Enabled == 0x0 || !ctx->VertexProgram._Current) + return GL_FALSE; +#else + /* For regular OpenGL, only draw if we have vertex positions (regardless + * of whether or not we have a vertex program/shader). + */ + if (!ctx->Array.ArrayObj->Vertex.Enabled && !ctx->Array.ArrayObj->VertexAttrib[0].Enabled) return GL_FALSE; +#endif return GL_TRUE; } |