diff options
| author | Keith Whitwell <keith@tungstengraphics.com> | 2006-05-23 09:34:09 +0000 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2006-05-23 09:34:09 +0000 |
| commit | dbb2f30ad3b83146b8473f95921170246f38cb4d (patch) | |
| tree | 89406773638c97892831e7310050c8ba9cd8012f | |
| parent | 9c84dfe1566a71471c97b50d2453707264b1cca6 (diff) | |
Fix culling calculations for FBOs
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_state.c | 5 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i915/intel_buffers.c | 8 |
2 files changed, 12 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_state.c b/src/mesa/drivers/dri/i915/i915_state.c index d50d2f31ce..37513fff52 100644 --- a/src/mesa/drivers/dri/i915/i915_state.c +++ b/src/mesa/drivers/dri/i915/i915_state.c @@ -395,7 +395,8 @@ static void i915CullFaceFrontFace(GLcontext *ctx, GLenum unused) GLuint mode; if (INTEL_DEBUG&DEBUG_DRI) - fprintf(stderr, "%s\n", __FUNCTION__); + fprintf(stderr, "%s %d\n", __FUNCTION__, + ctx->DrawBuffer ? ctx->DrawBuffer->Name : 0); if (!ctx->Polygon.CullFlag) { mode = S4_CULLMODE_NONE; @@ -403,6 +404,8 @@ static void i915CullFaceFrontFace(GLcontext *ctx, GLenum unused) else if (ctx->Polygon.CullFaceMode != GL_FRONT_AND_BACK) { mode = S4_CULLMODE_CW; + if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0) + mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW); if (ctx->Polygon.CullFaceMode == GL_FRONT) mode ^= (S4_CULLMODE_CW ^ S4_CULLMODE_CCW); if (ctx->Polygon.FrontFace != GL_CCW) diff --git a/src/mesa/drivers/dri/i915/intel_buffers.c b/src/mesa/drivers/dri/i915/intel_buffers.c index 523a6354cf..85ac418079 100644 --- a/src/mesa/drivers/dri/i915/intel_buffers.c +++ b/src/mesa/drivers/dri/i915/intel_buffers.c @@ -615,6 +615,14 @@ intel_draw_buffer(GLcontext *ctx, struct gl_framebuffer *fb) colorRegion = (irb && irb->region) ? irb->region : NULL; } + /* Update culling direction which changes depending on the + * orientation of the buffer: + */ + if (ctx->Driver.FrontFace) + ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace); + else + ctx->NewState |= _NEW_POLYGON; + if (!colorRegion) { FALLBACK( intel, INTEL_FALLBACK_DRAW_BUFFER, GL_TRUE ); } |