include/Refresh.h

@@ -1168,9 +1168,15 @@ REFRESHAPI Refresh_TextureFormat Refresh_GetSwapchainFormat(
  * 	A command buffer may only be used on the thread that
  * 	it was acquired on. Using it on any other thread is an error.
  *
+ * fixed:
+ * 	If a command buffer is designated as fixed, it can be
+ * 	acquired once, have commands recorded into it, and
+ * 	be re-submitted indefinitely.
+ *
  */
 REFRESHAPI Refresh_CommandBuffer* Refresh_AcquireCommandBuffer(
-	Refresh_Device *device
+	Refresh_Device *device,
+	uint8_t fixed
 );
 
 /* Acquires a texture to use for presentation.

shadercompiler/Program.cs

@@ -1,105 +0,0 @@
-using System;
-using System.IO;
-using System.Diagnostics;
-
-partial class Program
-{
-	public static int Main(string[] args)
-	{
-		if (args.Length < 2)
-		{
-			Console.WriteLine("Usage: refreshc <path-to-glsl> <output-directory>");
-			return 1;
-		}
-
-		string glslPath = args[0];
-		string outputDir = args[1];
-
-		if (!ValidateArgs(glslPath, outputDir))
-		{
-			return 1;
-		}
-
-		string shaderName = Path.GetFileNameWithoutExtension(glslPath);
-		string shaderType = Path.GetExtension(glslPath);
-		string spirvPath = Path.Combine(outputDir, $"{shaderName}.spv");
-
-		if (CompileGlslToSpirv(glslPath, shaderName, spirvPath) != 0)
-		{
-			return 1;
-		}
-
-		string hlslPath = Path.Combine(outputDir, $"{shaderName}.hlsl");
-		if (TranslateSpirvToHlsl(spirvPath, hlslPath) != 0)
-		{
-			return 1;
-		}
-
-		// FIXME: Is there a cross-platform way to compile HLSL to DXBC?
-
-#if PS5
-		if (TranslateHlslToPS5(hlslPath, shaderName, shaderType, outputDir) != 0)
-		{
-			return 1;
-		}
-#endif
-
-		return 0;
-	}
-
-	static bool ValidateArgs(string glslPath, string outputDir)
-	{
-		if (!File.Exists(glslPath))
-		{
-			Console.WriteLine($"refreshc: glsl source file ({glslPath}) does not exist");
-			return false;
-		}
-
-		string ext = Path.GetExtension(glslPath);
-		if (ext != ".vert" && ext != ".frag" && ext != ".comp")
-		{
-			Console.WriteLine("refreshc: Expected glsl source file with extension '.vert', '.frag', or '.comp'");
-			return false;
-		}
-
-		if (!Directory.Exists(outputDir))
-		{
-			Console.WriteLine($"refreshc: Output directory ({outputDir}) does not exist");
-			return false;
-		}
-
-		return true;
-	}
-
-	static int CompileGlslToSpirv(string glslPath, string shaderName, string outputPath)
-	{
-		Process glslc = Process.Start(
-			"glslc",
-			$"{glslPath} -o {outputPath}"
-		);
-		glslc.WaitForExit();
-		if (glslc.ExitCode != 0)
-		{
-			Console.WriteLine($"refreshc: Could not compile GLSL code");
-			return 1;
-		}
-
-		return 0;
-	}
-
-	static int TranslateSpirvToHlsl(string spirvPath, string outputPath)
-	{
-		Process spirvcross = Process.Start(
-			"spirv-cross",
-			$"{spirvPath} --hlsl --shader-model 50 --output {outputPath}"
-		);
-		spirvcross.WaitForExit();
-		if (spirvcross.ExitCode != 0)
-		{
-			Console.WriteLine($"refreshc: Could not translate SPIR-V to HLSL");
-			return 1;
-		}
-
-		return 0;
-	}
-}

shadercompiler/refreshc.csproj

@@ -1,9 +0,0 @@
-<Project Sdk="Microsoft.NET.Sdk">
-
-  <PropertyGroup>
-    <OutputType>Exe</OutputType>
-    <TargetFramework>net7.0</TargetFramework>
-    <TargetName>refreshc</TargetName>
-  </PropertyGroup>
-
-</Project>

src/Refresh.c

@@ -789,11 +789,13 @@ void Refresh_UnclaimWindow(
 }
 
 Refresh_CommandBuffer* Refresh_AcquireCommandBuffer(
-	Refresh_Device *device
+	Refresh_Device *device,
+	uint8_t fixed
 ) {
 	NULL_RETURN_NULL(device);
 	return device->AcquireCommandBuffer(
-		device->driverData
+		device->driverData,
+		fixed
 	);
 }
 

src/Refresh_Driver.h

@@ -470,7 +470,8 @@ struct Refresh_Device
 	);
 
 	Refresh_CommandBuffer* (*AcquireCommandBuffer)(
-		Refresh_Renderer *driverData
+		Refresh_Renderer *driverData,
+		uint8_t fixed
 	);
 
 	Refresh_Texture* (*AcquireSwapchainTexture)(

src/Refresh_Driver_Vulkan.c

@@ -1500,6 +1500,10 @@ typedef struct VulkanCommandPool VulkanCommandPool;
 typedef struct VulkanCommandBuffer
 {
 	VkCommandBuffer commandBuffer;
+	uint8_t fixed;
+	uint8_t submitted;
+	uint8_t renderPassInProgress;
+
 	VulkanCommandPool *commandPool;
 
 	VulkanPresentData *presentDatas;
@@ -4658,7 +4662,11 @@ static void VULKAN_INTERNAL_BeginCommandBuffer(
 	beginInfo.pNext = NULL;
 	beginInfo.flags = 0;
 	beginInfo.pInheritanceInfo = NULL;
-	beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+
+	if (!commandBuffer->fixed)
+	{
+		beginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+	}
 
 	result = renderer->vkBeginCommandBuffer(
 		commandBuffer->commandBuffer,
@@ -8476,6 +8484,8 @@ static void VULKAN_BeginRenderPass(
 		VK_SUBPASS_CONTENTS_INLINE
 	);
 
+	vulkanCommandBuffer->renderPassInProgress = 1;
+
 	SDL_stack_free(clearValues);
 
 	for (i = 0; i < colorAttachmentCount; i += 1)
@@ -8612,6 +8622,7 @@ static void VULKAN_EndRenderPass(
 	vulkanCommandBuffer->renderPassDepthTexture = NULL;
 
 	vulkanCommandBuffer->currentGraphicsPipeline = NULL;
+	vulkanCommandBuffer->renderPassInProgress = 0;
 }
 
 static void VULKAN_BindGraphicsPipeline(
@@ -9186,7 +9197,8 @@ static VulkanCommandBuffer* VULKAN_INTERNAL_GetInactiveCommandBufferFromPool(
 }
 
 static Refresh_CommandBuffer* VULKAN_AcquireCommandBuffer(
-	Refresh_Renderer *driverData
+	Refresh_Renderer *driverData,
+	uint8_t fixed
 ) {
 	VulkanRenderer *renderer = (VulkanRenderer*) driverData;
 	VkResult result;
@@ -9209,6 +9221,10 @@ static Refresh_CommandBuffer* VULKAN_AcquireCommandBuffer(
 	commandBuffer->fragmentUniformBuffer = NULL;
 	commandBuffer->computeUniformBuffer = NULL;
 
+	commandBuffer->fixed = fixed;
+	commandBuffer->submitted = 0;
+
+	commandBuffer->renderPassInProgress = 0;
 	commandBuffer->renderPassColorTargetCount = 0;
 
 	VULKAN_INTERNAL_BeginCommandBuffer(renderer, commandBuffer);
@@ -9904,6 +9920,7 @@ static void VULKAN_Submit(
 			);
 		}
 
+		((VulkanCommandBuffer*)pCommandBuffers[i])->submitted = 1;
 		renderer->submittedCommandBuffers[renderer->submittedCommandBufferCount] = (VulkanCommandBuffer*) pCommandBuffers[i];
 		renderer->submittedCommandBufferCount += 1;