anv: don't store sample location sample count

This information should match the current pipeline sample count.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15310>

6 files changed, 15 insertions, 24 deletions

diff --git a/src/intel/vulkan/anv_cmd_buffer.c b/src/intel/vulkan/anv_cmd_buffer.c
index fc0e10c3a7a..bbc2de808b6 100644
--- a/src/intel/vulkan/anv_cmd_buffer.c
+++ b/src/intel/vulkan/anv_cmd_buffer.c
@@ -199,10 +199,9 @@ anv_dynamic_state_copy(struct anv_dynamic_state *dest,
    ANV_CMP_COPY(logic_op, ANV_CMD_DIRTY_DYNAMIC_LOGIC_OP);
 
    if (copy_mask & ANV_CMD_DIRTY_DYNAMIC_SAMPLE_LOCATIONS) {
-      dest->sample_locations.samples = src->sample_locations.samples;
       typed_memcpy(dest->sample_locations.locations,
                    src->sample_locations.locations,
-                   dest->sample_locations.samples);
+                   ARRAY_SIZE(src->sample_locations.locations));
       changed |= ANV_CMD_DIRTY_DYNAMIC_SAMPLE_LOCATIONS;
    }
 
@@ -857,7 +856,6 @@ void anv_CmdSetSampleLocationsEXT(
    struct anv_dynamic_state *dyn_state = &cmd_buffer->state.gfx.dynamic;
    uint32_t samples = pSampleLocationsInfo->sampleLocationsPerPixel;
 
-   dyn_state->sample_locations.samples = samples;
    typed_memcpy(dyn_state->sample_locations.locations,
                 pSampleLocationsInfo->pSampleLocations, samples);
 
diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c
index 7c6c0d4419f..c0b147e0587 100644
--- a/src/intel/vulkan/anv_pipeline.c
+++ b/src/intel/vulkan/anv_pipeline.c
@@ -2292,27 +2292,21 @@ copy_non_dynamic_state(struct anv_graphics_pipeline *pipeline,
       const VkPipelineSampleLocationsStateCreateInfoEXT *sl_info = ms_info ?
          vk_find_struct_const(ms_info, PIPELINE_SAMPLE_LOCATIONS_STATE_CREATE_INFO_EXT) : NULL;
 
+      uint32_t samples = ms_info ? ms_info->rasterizationSamples : 1;
       if (sl_info) {
-         dynamic->sample_locations.samples =
-            sl_info->sampleLocationsInfo.sampleLocationsCount;
          const VkSampleLocationEXT *positions =
             sl_info->sampleLocationsInfo.pSampleLocations;
-         for (uint32_t i = 0; i < dynamic->sample_locations.samples; i++) {
+         for (uint32_t i = 0; i < samples; i++) {
+            dynamic->sample_locations.locations[i].x = positions[i].x;
+            dynamic->sample_locations.locations[i].y = positions[i].y;
+         }
+      } else {
+         const struct intel_sample_position *positions =
+            intel_get_sample_positions(samples);
+         for (uint32_t i = 0; i < samples; i++) {
             dynamic->sample_locations.locations[i].x = positions[i].x;
             dynamic->sample_locations.locations[i].y = positions[i].y;
          }
-      }
-   }
-   /* Ensure we always have valid values for sample_locations. */
-   if (pipeline->base.device->vk.enabled_extensions.EXT_sample_locations &&
-       dynamic->sample_locations.samples == 0) {
-      dynamic->sample_locations.samples =
-         ms_info ? ms_info->rasterizationSamples : 1;
-      const struct intel_sample_position *positions =
-         intel_get_sample_positions(dynamic->sample_locations.samples);
-      for (uint32_t i = 0; i < dynamic->sample_locations.samples; i++) {
-         dynamic->sample_locations.locations[i].x = positions[i].x;
-         dynamic->sample_locations.locations[i].y = positions[i].y;
       }
    }
 
diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index 7e95f240635..412c9e430ce 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -2738,7 +2738,6 @@ struct anv_dynamic_state {
    } line_stipple;
 
    struct {
-      uint32_t                                  samples;
       VkSampleLocationEXT                       locations[MAX_SAMPLE_LOCATIONS];
    } sample_locations;
 
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index 1816e45a6c4..bc0157dbec5 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -925,7 +925,7 @@ emit_ms_state(struct anv_graphics_pipeline *pipeline,
 #if GFX_VER >= 8
    /* On Gfx8+ 3DSTATE_MULTISAMPLE only holds the number of samples. */
    genX(emit_multisample)(&pipeline->base.batch,
-                          info ? info->rasterizationSamples : 1,
+                          pipeline->rasterization_samples,
                           NULL);
 #endif
 
@@ -938,11 +938,11 @@ emit_ms_state(struct anv_graphics_pipeline *pipeline,
        !(dynamic_states & ANV_CMD_DIRTY_DYNAMIC_SAMPLE_LOCATIONS)) {
 #if GFX_VER >= 8
       genX(emit_sample_pattern)(&pipeline->base.batch,
-                                pipeline->dynamic_state.sample_locations.samples,
+                                pipeline->rasterization_samples,
                                 pipeline->dynamic_state.sample_locations.locations);
 #else
       genX(emit_multisample)(&pipeline->base.batch,
-                             pipeline->dynamic_state.sample_locations.samples,
+                             pipeline->rasterization_samples,
                              pipeline->dynamic_state.sample_locations.locations);
 #endif
    }
diff --git a/src/intel/vulkan/gfx7_cmd_buffer.c b/src/intel/vulkan/gfx7_cmd_buffer.c
index e75dd890f4f..9d9ead4b695 100644
--- a/src/intel/vulkan/gfx7_cmd_buffer.c
+++ b/src/intel/vulkan/gfx7_cmd_buffer.c
@@ -305,7 +305,7 @@ genX(cmd_buffer_flush_dynamic_state)(struct anv_cmd_buffer *cmd_buffer)
    if (anv_cmd_buffer_needs_dynamic_state(cmd_buffer,
                                           ANV_CMD_DIRTY_DYNAMIC_SAMPLE_LOCATIONS)) {
       genX(emit_multisample)(&cmd_buffer->batch,
-                             d->sample_locations.samples,
+                             pipeline->rasterization_samples,
                              d->sample_locations.locations);
    }
 
diff --git a/src/intel/vulkan/gfx8_cmd_buffer.c b/src/intel/vulkan/gfx8_cmd_buffer.c
index 623cdd4bcfa..8c36251b07c 100644
--- a/src/intel/vulkan/gfx8_cmd_buffer.c
+++ b/src/intel/vulkan/gfx8_cmd_buffer.c
@@ -633,7 +633,7 @@ genX(cmd_buffer_flush_dynamic_state)(struct anv_cmd_buffer *cmd_buffer)
    if (anv_cmd_buffer_needs_dynamic_state(cmd_buffer,
                                           ANV_CMD_DIRTY_DYNAMIC_SAMPLE_LOCATIONS)) {
       genX(emit_sample_pattern)(&cmd_buffer->batch,
-                                d->sample_locations.samples,
+                                pipeline->rasterization_samples,
                                 d->sample_locations.locations);
    }