diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i915/intel_tris.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tris.c b/src/mesa/drivers/dri/i915/intel_tris.c index 1554613aa4f..6133c23919d 100644 --- a/src/mesa/drivers/dri/i915/intel_tris.c +++ b/src/mesa/drivers/dri/i915/intel_tris.c @@ -928,10 +928,18 @@ intelFastRenderClippedPoly(struct gl_context * ctx, const GLuint * elts, GLuint const GLuint *start = (const GLuint *) V(elts[0]); int i, j; - for (i = 2; i < n; i++) { - COPY_DWORDS(j, vb, vertsize, V(elts[i - 1])); - COPY_DWORDS(j, vb, vertsize, V(elts[i])); - COPY_DWORDS(j, vb, vertsize, start); + if (ctx->Light.ProvokingVertex == GL_LAST_VERTEX_CONVENTION) { + for (i = 2; i < n; i++) { + COPY_DWORDS(j, vb, vertsize, V(elts[i - 1])); + COPY_DWORDS(j, vb, vertsize, V(elts[i])); + COPY_DWORDS(j, vb, vertsize, start); + } + } else { + for (i = 2; i < n; i++) { + COPY_DWORDS(j, vb, vertsize, start); + COPY_DWORDS(j, vb, vertsize, V(elts[i - 1])); + COPY_DWORDS(j, vb, vertsize, V(elts[i])); + } } } |