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authorJosé Fonseca <jfonseca@vmware.com>2010-08-11 15:10:28 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-08-11 15:14:10 +0100
commit66f57235d5e507b17f3cbf1329a803337ca08666 (patch)
tree073b727334a4c5f9629d5db71ad1e6f4b4f8d1a4 /src/gallium
parent3deca2e284f0709e94bec5267febc7ccb34c17b8 (diff)
llvmpipe: Debug code to dump interpolation coefficients.
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_tri.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
index 44696c73b4..20e63ae51f 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
@@ -260,13 +260,13 @@ static void setup_tri_coefficients( struct lp_setup_context *setup,
{
unsigned fragcoord_usage_mask = TGSI_WRITEMASK_XYZ;
unsigned slot;
+ unsigned i;
/* setup interpolation for all the remaining attributes:
*/
for (slot = 0; slot < setup->fs.nr_inputs; slot++) {
unsigned vert_attr = setup->fs.input[slot].src_index;
unsigned usage_mask = setup->fs.input[slot].usage_mask;
- unsigned i;
switch (setup->fs.input[slot].interp) {
case LP_INTERP_CONSTANT:
@@ -316,6 +316,34 @@ static void setup_tri_coefficients( struct lp_setup_context *setup,
/* The internal position input is in slot zero:
*/
setup_fragcoord_coef(tri, info, 0, fragcoord_usage_mask);
+
+ if (0) {
+ for (i = 0; i < NUM_CHANNELS; i++) {
+ float a0 = tri->inputs.a0 [0][i];
+ float dadx = tri->inputs.dadx[0][i];
+ float dady = tri->inputs.dady[0][i];
+
+ debug_printf("POS.%c: a0 = %f, dadx = %f, dady = %f\n",
+ "xyzw"[i],
+ a0, dadx, dady);
+ }
+
+ for (slot = 0; slot < setup->fs.nr_inputs; slot++) {
+ unsigned usage_mask = setup->fs.input[slot].usage_mask;
+ for (i = 0; i < NUM_CHANNELS; i++) {
+ if (usage_mask & (1 << i)) {
+ float a0 = tri->inputs.a0 [1 + slot][i];
+ float dadx = tri->inputs.dadx[1 + slot][i];
+ float dady = tri->inputs.dady[1 + slot][i];
+
+ debug_printf("IN[%u].%c: a0 = %f, dadx = %f, dady = %f\n",
+ slot,
+ "xyzw"[i],
+ a0, dadx, dady);
+ }
+ }
+ }
+ }
}