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authorVille Syrjälä <[email protected]>2015-03-23 14:47:35 +0200
committerIan Romanick <[email protected]>2015-10-06 11:16:19 -0700
commit021f15816e74ec012b8cb904d9f0bc05ff5885b0 (patch)
treeddd35a6a55330d07272ee327d9864fdc0e7f5f20 /src/mesa/drivers/dri
parent3e2c7ca7731362b9f8f872832aeed2f89e70e11c (diff)
i830: Fix culling with user fbos on gen2
Flip the cull bits when rendering to a user fbo on gen2. This was already done on gen3 (since before git history starts) but was missing from the gen2 code. Fixes rendering of the driver+kart model in supertuxkart kart selection screen. Signed-off-by: Ville Syrjälä <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r--src/mesa/drivers/dri/i915/i830_state.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i830_state.c b/src/mesa/drivers/dri/i915/i830_state.c
index 906e942b020..7ce5ef7e41a 100644
--- a/src/mesa/drivers/dri/i915/i830_state.c
+++ b/src/mesa/drivers/dri/i915/i830_state.c
@@ -601,6 +601,8 @@ i830CullFaceFrontFace(struct gl_context * ctx, GLenum unused)
else if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) {
mode = CULLMODE_CW;
+ if (ctx->DrawBuffer && _mesa_is_user_fbo(ctx->DrawBuffer))
+ mode ^= (CULLMODE_CW ^ CULLMODE_CCW);
if (ctx->Polygon.CullFaceMode == GL_FRONT)
mode ^= (CULLMODE_CW ^ CULLMODE_CCW);
if (ctx->Polygon.FrontFace != GL_CCW)