diff options
| -rw-r--r-- | src/mesa/drivers/osmesa/osmesa.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c index 102001edfa0..6f6f824b462 100644 --- a/src/mesa/drivers/osmesa/osmesa.c +++ b/src/mesa/drivers/osmesa/osmesa.c @@ -197,6 +197,14 @@ osmesa_choose_line_function( struct gl_context *ctx ) const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); const SWcontext *swrast = SWRAST_CONTEXT(ctx); + if (ctx->DrawBuffer && + ctx->DrawBuffer->Visual.redBits == 32) { + /* the special-case line functions in this file don't work + * for float color channels. + */ + return NULL; + } + if (ctx->RenderMode != GL_RENDER) return NULL; if (ctx->Line.SmoothFlag) return NULL; if (ctx->Texture._EnabledUnits) return NULL; @@ -298,6 +306,14 @@ osmesa_choose_triangle_function( struct gl_context *ctx ) const OSMesaContext osmesa = OSMESA_CONTEXT(ctx); const SWcontext *swrast = SWRAST_CONTEXT(ctx); + if (ctx->DrawBuffer && + ctx->DrawBuffer->Visual.redBits == 32) { + /* the special-case triangle functions in this file don't work + * for float color channels. + */ + return (swrast_tri_func) NULL; + } + if (ctx->RenderMode != GL_RENDER) return (swrast_tri_func) NULL; if (ctx->Polygon.SmoothFlag) return (swrast_tri_func) NULL; if (ctx->Polygon.StippleFlag) return (swrast_tri_func) NULL; |