radeonsi: remove interp_at_sample from the key, use TGSI_INTERPOLATE_LOC_SAMPLE

st/mesa has the same flag in its shader key, we don't need to do it
in the driver anymore.

Instead, use TGSI_INTERPOLATE_LOC_SAMPLE, which is what st/mesa sets.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 6372ccf..69382bd 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -501,7 +501,7 @@ static void declare_input_fs(
                interp_param = 0;
                break;
        case TGSI_INTERPOLATE_LINEAR:
-               if (si_shader_ctx->shader->key.ps.interp_at_sample)
+               if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_SAMPLE)
                        interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_SAMPLE);
                else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
                        interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID);
@@ -515,7 +515,7 @@ static void declare_input_fs(
                }
                /* fall through to perspective */
        case TGSI_INTERPOLATE_PERSPECTIVE:
-               if (si_shader_ctx->shader->key.ps.interp_at_sample)
+               if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_SAMPLE)
                        interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_SAMPLE);
                else if (decl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID)
                        interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID);

diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h
index c46e649..d9a89e3 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -137,7 +137,6 @@ union si_shader_key {
                unsigned        color_two_side:1;
                unsigned        alpha_func:3;
                unsigned        flatshade:1;
-               unsigned        interp_at_sample:1;
                unsigned        alpha_to_one:1;
        } ps;
        struct {

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 46dbca3..88a50f3 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -2221,8 +2221,6 @@ static INLINE void si_shader_selector_key(struct pipe_context *ctx,
                if (sctx->queued.named.rasterizer) {
                        key->ps.color_two_side = sctx->queued.named.rasterizer->two_side;
                        key->ps.flatshade = sctx->queued.named.rasterizer->flatshade;
-                       key->ps.interp_at_sample = sctx->framebuffer.nr_samples > 1 &&
-                                                  sctx->ps_iter_samples == sctx->framebuffer.nr_samples;
 
                        if (sctx->queued.named.blend) {
                                key->ps.alpha_to_one = sctx->queued.named.blend->alpha_to_one &&