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Diffstat (limited to 'src/mesa/tnl')
-rw-r--r--src/mesa/tnl/t_vb_cliptmp.h25
1 files changed, 22 insertions, 3 deletions
diff --git a/src/mesa/tnl/t_vb_cliptmp.h b/src/mesa/tnl/t_vb_cliptmp.h
index 788fe329ed..61b0a89554 100644
--- a/src/mesa/tnl/t_vb_cliptmp.h
+++ b/src/mesa/tnl/t_vb_cliptmp.h
@@ -127,7 +127,7 @@ TAG(clip_line)( GLcontext *ctx, GLuint v0, GLuint v1, GLubyte mask )
GLuint p;
const GLuint v0_orig = v0;
- if (mask & 0x3f) {
+ if (mask & CLIP_FRUSTUM_BITS) {
LINE_CLIP( CLIP_RIGHT_BIT, -1, 0, 0, 1 );
LINE_CLIP( CLIP_LEFT_BIT, 1, 0, 0, 1 );
LINE_CLIP( CLIP_TOP_BIT, 0, -1, 0, 1 );
@@ -199,7 +199,7 @@ TAG(clip_tri)( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLubyte mask )
ASSIGN_3V(inlist, v2, v0, v1 ); /* pv rotated to slot zero */
- if (mask & 0x3f) {
+ if (mask & CLIP_FRUSTUM_BITS) {
POLY_CLIP( CLIP_RIGHT_BIT, -1, 0, 0, 1 );
POLY_CLIP( CLIP_LEFT_BIT, 1, 0, 0, 1 );
POLY_CLIP( CLIP_TOP_BIT, 0, -1, 0, 1 );
@@ -227,6 +227,25 @@ TAG(clip_tri)( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLubyte mask )
}
}
+ if (0) {
+ /* print pre/post-clip vertex coords */
+ GLuint i, j;
+ _mesa_printf("pre clip\n");
+ for (i = 0; i < 3; i++) {
+ j = outlist[i];
+ _mesa_printf(" %u: %u: %f, %f, %f, %f\n",
+ i, j,
+ coord[j][0], coord[j][1], coord[j][2], coord[j][3]);
+ }
+ _mesa_printf("post clip\n");
+ for (i = 0; i < n; i++) {
+ j = inlist[i];
+ _mesa_printf(" %u: %u: %f, %f, %f, %f\n",
+ i, j,
+ coord[j][0], coord[j][1], coord[j][2], coord[j][3]);
+ }
+ }
+
tnl->Driver.Render.ClippedPolygon( ctx, inlist, n );
}
@@ -250,7 +269,7 @@ TAG(clip_quad)( GLcontext *ctx, GLuint v0, GLuint v1, GLuint v2, GLuint v3,
ASSIGN_4V(inlist, v3, v0, v1, v2 ); /* pv rotated to slot zero */
- if (mask & 0x3f) {
+ if (mask & CLIP_FRUSTUM_BITS) {
POLY_CLIP( CLIP_RIGHT_BIT, -1, 0, 0, 1 );
POLY_CLIP( CLIP_LEFT_BIT, 1, 0, 0, 1 );
POLY_CLIP( CLIP_TOP_BIT, 0, -1, 0, 1 );