radv: store the amount of saved constants in the compute state

It's safer and more elegant.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>

src/amd/vulkan/radv_meta.c

@@ -112,23 +112,26 @@ radv_meta_save_compute(struct radv_meta_saved_compute_state *state,
 {
 	state->old_pipeline = cmd_buffer->state.compute_pipeline;
 	state->old_descriptor_set0 = cmd_buffer->state.descriptors[0];
+	state->push_constant_size = push_constant_size;
 
-	if (push_constant_size)
-		memcpy(state->push_constants, cmd_buffer->push_constants, push_constant_size);
+	if (state->push_constant_size) {
+		memcpy(state->push_constants, cmd_buffer->push_constants,
+		       state->push_constant_size);
+	}
 }
 
 void
 radv_meta_restore_compute(const struct radv_meta_saved_compute_state *state,
-                          struct radv_cmd_buffer *cmd_buffer,
-                          unsigned push_constant_size)
+                          struct radv_cmd_buffer *cmd_buffer)
 {
 	radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
 			     radv_pipeline_to_handle(state->old_pipeline));
 
 	cmd_buffer->state.descriptors[0] = state->old_descriptor_set0;
 
-	if (push_constant_size) {
-		memcpy(cmd_buffer->push_constants, state->push_constants, push_constant_size);
+	if (state->push_constant_size) {
+		memcpy(cmd_buffer->push_constants, state->push_constants,
+		       state->push_constant_size);
 		cmd_buffer->push_constant_stages |= VK_SHADER_STAGE_COMPUTE_BIT;
 	}
 }

src/amd/vulkan/radv_meta.h

@@ -56,6 +56,7 @@ struct radv_meta_saved_compute_state {
 	struct radv_descriptor_set *old_descriptor_set0;
 	struct radv_pipeline *old_pipeline;
 
+	unsigned push_constant_size;
 	char push_constants[128];
 };
 
@@ -103,8 +104,7 @@ void radv_meta_save_compute(struct radv_meta_saved_compute_state *state,
 			    unsigned push_constant_size);
 
 void radv_meta_restore_compute(const struct radv_meta_saved_compute_state *state,
-			       struct radv_cmd_buffer *cmd_buffer,
-			       unsigned push_constant_size);
+			       struct radv_cmd_buffer *cmd_buffer);
 
 VkImageViewType radv_meta_get_view_type(const struct radv_image *image);
 

src/amd/vulkan/radv_meta_buffer.c

@@ -340,7 +340,7 @@ static void fill_buffer_shader(struct radv_cmd_buffer *cmd_buffer,
 
 	radv_CmdDispatch(radv_cmd_buffer_to_handle(cmd_buffer), block_count, 1, 1);
 
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 4);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 }
 
 static void copy_buffer_shader(struct radv_cmd_buffer *cmd_buffer,
@@ -404,7 +404,7 @@ static void copy_buffer_shader(struct radv_cmd_buffer *cmd_buffer,
 
 	radv_CmdDispatch(radv_cmd_buffer_to_handle(cmd_buffer), block_count, 1, 1);
 
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 0);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 }
 
 

src/amd/vulkan/radv_meta_clear.c

@@ -1401,7 +1401,7 @@ void radv_CmdClearColorImage(
 			     rangeCount, pRanges, cs);
 
 	if (cs)
-		radv_meta_restore_compute(&saved_state.compute, cmd_buffer, 16);
+		radv_meta_restore_compute(&saved_state.compute, cmd_buffer);
 	else
 		radv_meta_restore(&saved_state.gfx, cmd_buffer);
 }

src/amd/vulkan/radv_meta_copy.c

@@ -203,7 +203,7 @@ meta_copy_buffer_to_image(struct radv_cmd_buffer *cmd_buffer,
 		}
 	}
 	if (cs)
-		radv_meta_restore_compute(&saved_state.compute, cmd_buffer, 12);
+		radv_meta_restore_compute(&saved_state.compute, cmd_buffer);
 	else
 		radv_meta_restore(&saved_state.gfx, cmd_buffer);
 }
@@ -304,7 +304,7 @@ meta_copy_image_to_buffer(struct radv_cmd_buffer *cmd_buffer,
 				slice_array++;
 		}
 	}
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 12);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 }
 
 void radv_CmdCopyImageToBuffer(
@@ -414,7 +414,7 @@ meta_copy_image(struct radv_cmd_buffer *cmd_buffer,
 	}
 
 	if (cs)
-		radv_meta_restore_compute(&saved_state.compute, cmd_buffer, 16);
+		radv_meta_restore_compute(&saved_state.compute, cmd_buffer);
 	else
 		radv_meta_restore(&saved_state.gfx, cmd_buffer);
 }

src/amd/vulkan/radv_meta_resolve_cs.c

@@ -462,7 +462,7 @@ void radv_meta_resolve_compute_image(struct radv_cmd_buffer *cmd_buffer,
 				     &(VkExtent2D) {extent.width, extent.height });
 		}
 	}
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 16);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 }
 
 /**
@@ -529,7 +529,7 @@ radv_cmd_buffer_resolve_subpass_cs(struct radv_cmd_buffer *cmd_buffer)
 			     &(VkExtent2D) { fb->width, fb->height });
 	}
 
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 16);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 
 	for (uint32_t i = 0; i < subpass->color_count; ++i) {
 		VkAttachmentReference dest_att = subpass->resolve_attachments[i];

src/amd/vulkan/radv_query.c

@@ -737,7 +737,7 @@ static void radv_query_shader(struct radv_cmd_buffer *cmd_buffer,
 	                                RADV_CMD_FLAG_INV_VMEM_L1 |
 	                                RADV_CMD_FLAG_CS_PARTIAL_FLUSH;
 
-	radv_meta_restore_compute(&saved_state, cmd_buffer, 16);
+	radv_meta_restore_compute(&saved_state, cmd_buffer);
 }
 
 VkResult radv_CreateQueryPool(