Module: Mesa
Branch: master
Commit: d4a8bf89ce357ef153e9a1f712f3c3ec3d8904d6
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=d4a8bf89ce357ef153e9a1f712f3c3ec3d8904d6
Author: Marek Olšák <marek.ol...@amd.com>
Date: Tue Oct 4 21:08:17 2016 +0200
radeonsi: interpolate colors after interpolation weight shuffling
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
---
src/gallium/drivers/radeonsi/si_shader.c | 96 ++++++++++++++++----------------
1 file changed, 48 insertions(+), 48 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index aa0a578..bb9131b 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -7285,54 +7285,6 @@ static bool si_compile_ps_prolog(struct si_screen
*sscreen,
}
}
- /* Interpolate colors. */
- for (i = 0; i < 2; i++) {
- unsigned writemask = (key->ps_prolog.colors_read >> (i * 4)) &
0xf;
- unsigned face_vgpr = key->ps_prolog.num_input_sgprs +
- key->ps_prolog.face_vgpr_index;
- LLVMValueRef interp[2], color[4];
- LLVMValueRef interp_ij = NULL, prim_mask = NULL, face = NULL;
-
- if (!writemask)
- continue;
-
- /* If the interpolation qualifier is not CONSTANT (-1). */
- if (key->ps_prolog.color_interp_vgpr_index[i] != -1) {
- unsigned interp_vgpr = key->ps_prolog.num_input_sgprs +
-
key->ps_prolog.color_interp_vgpr_index[i];
-
- /* Get the (i,j) updated by bc_optimize handling. */
- interp[0] = LLVMBuildExtractValue(gallivm->builder, ret,
- interp_vgpr, "");
- interp[1] = LLVMBuildExtractValue(gallivm->builder, ret,
- interp_vgpr + 1, "");
- interp_ij = lp_build_gather_values(gallivm, interp, 2);
- interp_ij = LLVMBuildBitCast(gallivm->builder,
interp_ij,
- ctx.v2i32, "");
- }
-
- /* Use the absolute location of the input. */
- prim_mask = LLVMGetParam(func, SI_PS_NUM_USER_SGPR);
-
- if (key->ps_prolog.states.color_two_side) {
- face = LLVMGetParam(func, face_vgpr);
- face = LLVMBuildBitCast(gallivm->builder, face,
ctx.i32, "");
- }
-
- interp_fs_input(&ctx,
- key->ps_prolog.color_attr_index[i],
- TGSI_SEMANTIC_COLOR, i,
- key->ps_prolog.num_interp_inputs,
- key->ps_prolog.colors_read, interp_ij,
- prim_mask, face, color);
-
- while (writemask) {
- unsigned chan = u_bit_scan(&writemask);
- ret = LLVMBuildInsertValue(gallivm->builder, ret,
color[chan],
- num_params++, "");
- }
- }
-
/* Force per-sample interpolation. */
if (key->ps_prolog.states.force_persp_sample_interp) {
unsigned i, base = key->ps_prolog.num_input_sgprs;
@@ -7401,6 +7353,54 @@ static bool si_compile_ps_prolog(struct si_screen
*sscreen,
linear_center[i], base + 10
+ i, "");
}
+ /* Interpolate colors. */
+ for (i = 0; i < 2; i++) {
+ unsigned writemask = (key->ps_prolog.colors_read >> (i * 4)) &
0xf;
+ unsigned face_vgpr = key->ps_prolog.num_input_sgprs +
+ key->ps_prolog.face_vgpr_index;
+ LLVMValueRef interp[2], color[4];
+ LLVMValueRef interp_ij = NULL, prim_mask = NULL, face = NULL;
+
+ if (!writemask)
+ continue;
+
+ /* If the interpolation qualifier is not CONSTANT (-1). */
+ if (key->ps_prolog.color_interp_vgpr_index[i] != -1) {
+ unsigned interp_vgpr = key->ps_prolog.num_input_sgprs +
+
key->ps_prolog.color_interp_vgpr_index[i];
+
+ /* Get the (i,j) updated by bc_optimize handling. */
+ interp[0] = LLVMBuildExtractValue(gallivm->builder, ret,
+ interp_vgpr, "");
+ interp[1] = LLVMBuildExtractValue(gallivm->builder, ret,
+ interp_vgpr + 1, "");
+ interp_ij = lp_build_gather_values(gallivm, interp, 2);
+ interp_ij = LLVMBuildBitCast(gallivm->builder,
interp_ij,
+ ctx.v2i32, "");
+ }
+
+ /* Use the absolute location of the input. */
+ prim_mask = LLVMGetParam(func, SI_PS_NUM_USER_SGPR);
+
+ if (key->ps_prolog.states.color_two_side) {
+ face = LLVMGetParam(func, face_vgpr);
+ face = LLVMBuildBitCast(gallivm->builder, face,
ctx.i32, "");
+ }
+
+ interp_fs_input(&ctx,
+ key->ps_prolog.color_attr_index[i],
+ TGSI_SEMANTIC_COLOR, i,
+ key->ps_prolog.num_interp_inputs,
+ key->ps_prolog.colors_read, interp_ij,
+ prim_mask, face, color);
+
+ while (writemask) {
+ unsigned chan = u_bit_scan(&writemask);
+ ret = LLVMBuildInsertValue(gallivm->builder, ret,
color[chan],
+ num_params++, "");
+ }
+ }
+
/* Tell LLVM to insert WQM instruction sequence when needed. */
if (key->ps_prolog.wqm) {
LLVMAddTargetDependentFunctionAttr(func,
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