fixed a few msaa validation errors

Co-authored-by: TheSpydog <thespydog@noreply.example.org>
Co-committed-by: TheSpydog <thespydog@noreply.example.org>

src/Refresh_Driver_Vulkan.c

@@ -5446,7 +5446,7 @@ static VulkanRenderTarget* VULKAN_INTERNAL_CreateRenderTarget(
 				VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT
 			);
 
-		renderTarget->multisampleCount = multisampleCount;
+		renderTarget->multisampleCount = RefreshToVK_SampleCount[multisampleCount];
 	}
 
 	/* create framebuffer compatible views for RenderTarget */
@@ -5810,7 +5810,9 @@ static VkRenderPass VULKAN_INTERNAL_CreateTransientRenderPass(
 			attachmentDescriptions[attachmentDescriptionCount].format = RefreshToVK_SurfaceFormat[
 				attachmentDescription.format
 			];
-			attachmentDescriptions[attachmentDescriptionCount].samples = VK_SAMPLE_COUNT_1_BIT;
+			attachmentDescriptions[attachmentDescriptionCount].samples = RefreshToVK_SampleCount[
+				attachmentDescription.sampleCount
+			];
 			attachmentDescriptions[attachmentDescriptionCount].loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
 			attachmentDescriptions[attachmentDescriptionCount].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
 			attachmentDescriptions[attachmentDescriptionCount].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
@@ -8307,6 +8309,7 @@ static void VULKAN_BeginRenderPass(
 	VulkanTexture *texture;
 	VkClearValue *clearValues;
 	uint32_t clearCount = colorAttachmentCount;
+	uint32_t multisampleAttachmentCount = 0;
 	uint32_t i;
 	VkImageAspectFlags depthAspectFlags;
 	Refresh_Viewport defaultViewport;
@@ -8393,6 +8396,12 @@ static void VULKAN_BeginRenderPass(
 			&texture->resourceAccessType
 		);
 
+		if (colorAttachmentInfos[i].sampleCount > 1)
+		{
+			clearCount += 1;
+			multisampleAttachmentCount += 1;
+		}
+
 		VULKAN_INTERNAL_TrackTexture(renderer, vulkanCommandBuffer, texture);
 	}
 
@@ -8430,12 +8439,21 @@ static void VULKAN_BeginRenderPass(
 
 	clearValues = SDL_stack_alloc(VkClearValue, clearCount);
 
-	for (i = 0; i < colorAttachmentCount; i += 1)
+	for (i = 0; i < colorAttachmentCount + multisampleAttachmentCount; i += 1)
 	{
 		clearValues[i].color.float32[0] = colorAttachmentInfos[i].clearColor.x;
 		clearValues[i].color.float32[1] = colorAttachmentInfos[i].clearColor.y;
 		clearValues[i].color.float32[2] = colorAttachmentInfos[i].clearColor.z;
 		clearValues[i].color.float32[3] = colorAttachmentInfos[i].clearColor.w;
+
+		if (colorAttachmentInfos[i].sampleCount > 0)
+		{
+			i += 1;
+			clearValues[i].color.float32[0] = colorAttachmentInfos[i].clearColor.x;
+			clearValues[i].color.float32[1] = colorAttachmentInfos[i].clearColor.y;
+			clearValues[i].color.float32[2] = colorAttachmentInfos[i].clearColor.z;
+			clearValues[i].color.float32[3] = colorAttachmentInfos[i].clearColor.w;
+		}
 	}
 
 	if (depthStencilAttachmentInfo != NULL)
@@ -10549,6 +10567,7 @@ static uint8_t VULKAN_INTERNAL_CreateLogicalDevice(
 	deviceFeatures.occlusionQueryPrecise = VK_TRUE;
 	deviceFeatures.fillModeNonSolid = VK_TRUE;
 	deviceFeatures.depthClamp = VK_TRUE;
+	deviceFeatures.samplerAnisotropy = VK_TRUE;
 
 	/* creating the logical device */