diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/gen6_sf_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_sf_state.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_sf_state.c b/src/mesa/drivers/dri/i965/gen6_sf_state.c index 548c5a3..163b54c 100644 --- a/src/mesa/drivers/dri/i965/gen6_sf_state.c +++ b/src/mesa/drivers/dri/i965/gen6_sf_state.c @@ -129,6 +129,7 @@ upload_sf_state(struct brw_context *brw) float point_size; uint16_t attr_overrides[FRAG_ATTRIB_MAX]; bool userclip_active; + uint32_t point_sprite_origin; /* _NEW_TRANSFORM */ userclip_active = (ctx->Transform.ClipPlanesEnabled != 0); @@ -258,8 +259,16 @@ upload_sf_state(struct brw_context *brw) /* Clamp to the hardware limits and convert to fixed point */ dw4 |= U_FIXED(CLAMP(point_size, 0.125, 255.875), 3); - if (ctx->Point.SpriteOrigin == GL_LOWER_LEFT) - dw1 |= GEN6_SF_POINT_SPRITE_LOWERLEFT; + /* + * Window coordinates in an FBO are inverted, which means point + * sprite origin must be inverted, too. + */ + if ((ctx->Point.SpriteOrigin == GL_LOWER_LEFT) != render_to_fbo) { + point_sprite_origin = GEN6_SF_POINT_SPRITE_LOWERLEFT; + } else { + point_sprite_origin = GEN6_SF_POINT_SPRITE_UPPERLEFT; + } + dw1 |= point_sprite_origin; /* _NEW_LIGHT */ if (ctx->Light.ProvokingVertex != GL_FIRST_VERTEX_CONVENTION) { |