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Diffstat (limited to 'lib/mesa/src/gallium/drivers/softpipe/sp_setup.c')
-rw-r--r--lib/mesa/src/gallium/drivers/softpipe/sp_setup.c100
1 files changed, 10 insertions, 90 deletions
diff --git a/lib/mesa/src/gallium/drivers/softpipe/sp_setup.c b/lib/mesa/src/gallium/drivers/softpipe/sp_setup.c
index 4f5721cba..891e7e61e 100644
--- a/lib/mesa/src/gallium/drivers/softpipe/sp_setup.c
+++ b/lib/mesa/src/gallium/drivers/softpipe/sp_setup.c
@@ -395,52 +395,6 @@ setup_sort_vertices(struct setup_context *setup,
}
-/* Apply cylindrical wrapping to v0, v1, v2 coordinates, if enabled.
- * Input coordinates must be in [0, 1] range, otherwise results are undefined.
- * Some combinations of coordinates produce invalid results,
- * but this behaviour is acceptable.
- */
-static void
-tri_apply_cylindrical_wrap(float v0,
- float v1,
- float v2,
- uint cylindrical_wrap,
- float output[3])
-{
- if (cylindrical_wrap) {
- float delta;
-
- delta = v1 - v0;
- if (delta > 0.5f) {
- v0 += 1.0f;
- }
- else if (delta < -0.5f) {
- v1 += 1.0f;
- }
-
- delta = v2 - v1;
- if (delta > 0.5f) {
- v1 += 1.0f;
- }
- else if (delta < -0.5f) {
- v2 += 1.0f;
- }
-
- delta = v0 - v2;
- if (delta > 0.5f) {
- v2 += 1.0f;
- }
- else if (delta < -0.5f) {
- v0 += 1.0f;
- }
- }
-
- output[0] = v0;
- output[1] = v1;
- output[2] = v2;
-}
-
-
/**
* Compute a0 for a constant-valued coefficient (GL_FLAT shading).
* The value value comes from vertex[slot][i].
@@ -620,21 +574,17 @@ setup_tri_coefficients(struct setup_context *setup)
break;
case SP_INTERP_LINEAR:
for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
- tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
- setup->vmid[vertSlot][j],
- setup->vmax[vertSlot][j],
- fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
- v);
+ v[0] = setup->vmin[vertSlot][j];
+ v[1] = setup->vmid[vertSlot][j];
+ v[2] = setup->vmax[vertSlot][j];
tri_linear_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;
case SP_INTERP_PERSPECTIVE:
for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
- tri_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
- setup->vmid[vertSlot][j],
- setup->vmax[vertSlot][j],
- fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
- v);
+ v[0] = setup->vmin[vertSlot][j];
+ v[1] = setup->vmid[vertSlot][j];
+ v[2] = setup->vmax[vertSlot][j];
tri_persp_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;
@@ -876,32 +826,6 @@ sp_setup_tri(struct setup_context *setup,
}
-/* Apply cylindrical wrapping to v0, v1 coordinates, if enabled.
- * Input coordinates must be in [0, 1] range, otherwise results are undefined.
- */
-static void
-line_apply_cylindrical_wrap(float v0,
- float v1,
- uint cylindrical_wrap,
- float output[2])
-{
- if (cylindrical_wrap) {
- float delta;
-
- delta = v1 - v0;
- if (delta > 0.5f) {
- v0 += 1.0f;
- }
- else if (delta < -0.5f) {
- v1 += 1.0f;
- }
- }
-
- output[0] = v0;
- output[1] = v1;
-}
-
-
/**
* Compute a0, dadx and dady for a linearly interpolated coefficient,
* for a line.
@@ -1006,19 +930,15 @@ setup_line_coefficients(struct setup_context *setup,
break;
case SP_INTERP_LINEAR:
for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
- line_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
- setup->vmax[vertSlot][j],
- fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
- v);
+ v[0] = setup->vmin[vertSlot][j];
+ v[1] = setup->vmax[vertSlot][j];
line_linear_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;
case SP_INTERP_PERSPECTIVE:
for (j = 0; j < TGSI_NUM_CHANNELS; j++) {
- line_apply_cylindrical_wrap(setup->vmin[vertSlot][j],
- setup->vmax[vertSlot][j],
- fsInfo->input_cylindrical_wrap[fragSlot] & (1 << j),
- v);
+ v[0] = setup->vmin[vertSlot][j];
+ v[1] = setup->vmax[vertSlot][j];
line_persp_coeff(setup, &setup->coef[fragSlot], j, v);
}
break;