diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2014-05-06 19:10:52 +0200 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2014-06-02 12:58:22 +0200 |
| commit | 99df120e006dbbce7aaf4b1466db423aa2432e54 (patch) | |
| tree | 9234406935731785c477c4ea7c9b302a79e0c636 /src/gallium/drivers | |
| parent | 99d9d7c0d69c076d84334892ee12f921fe243319 (diff) | |
radeonsi: interpolate varyings at sample when full sample shading is enabled
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 24 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.h | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_state.c | 2 |
3 files changed, 15 insertions, 12 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 6818106ece7..5f9abe3face 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -421,27 +421,27 @@ static void declare_input_fs( shader->input[input_index].param_offset); switch (decl->Interp.Interpolate) { - case TGSI_INTERPOLATE_COLOR: - if (si_shader_ctx->shader->key.ps.flatshade) { - interp_param = 0; - } else { - if (decl->Interp.Centroid) - interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID); - else - interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER); - } - break; case TGSI_INTERPOLATE_CONSTANT: interp_param = 0; break; case TGSI_INTERPOLATE_LINEAR: - if (decl->Interp.Centroid) + if (si_shader_ctx->shader->key.ps.interp_at_sample) + interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_SAMPLE); + else if (decl->Interp.Centroid) interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTROID); else interp_param = LLVMGetParam(main_fn, SI_PARAM_LINEAR_CENTER); break; + case TGSI_INTERPOLATE_COLOR: + if (si_shader_ctx->shader->key.ps.flatshade) { + interp_param = 0; + break; + } + /* fall through to perspective */ case TGSI_INTERPOLATE_PERSPECTIVE: - if (decl->Interp.Centroid) + if (si_shader_ctx->shader->key.ps.interp_at_sample) + interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_SAMPLE); + else if (decl->Interp.Centroid) interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTROID); else interp_param = LLVMGetParam(main_fn, SI_PARAM_PERSP_CENTER); diff --git a/src/gallium/drivers/radeonsi/si_shader.h b/src/gallium/drivers/radeonsi/si_shader.h index 5e0db92a98d..66097888237 100644 --- a/src/gallium/drivers/radeonsi/si_shader.h +++ b/src/gallium/drivers/radeonsi/si_shader.h @@ -158,6 +158,7 @@ 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 b85a4594156..19d2b553a22 100644 --- a/src/gallium/drivers/radeonsi/si_state.c +++ b/src/gallium/drivers/radeonsi/si_state.c @@ -2115,6 +2115,8 @@ 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 && |