From c44a095bca36ba44be27a696a2f84700a438c1bb Mon Sep 17 00:00:00 2001
From: cosmonaut <evan@moonside.games>
Date: Fri, 16 Feb 2024 18:53:52 -0800
Subject: [PATCH] CreateCpuBuffer writes a data pointer

---
 include/Refresh.h    | 4 +++-
 src/Refresh.c        | 6 ++++--
 src/Refresh_Driver.h | 5 ++---
 3 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/include/Refresh.h b/include/Refresh.h
index 47d5058..44157db 100644
--- a/include/Refresh.h
+++ b/include/Refresh.h
@@ -685,10 +685,12 @@ REFRESHAPI Refresh_GpuBuffer* Refresh_CreateGpuBuffer(
 /* Creates a CpuBuffer.
  *
  * sizeInBytes: The length of the buffer.
+ * pDataPtr: On success, contains a pointer that can be used to copy to/from the buffer.
  */
 REFRESHAPI Refresh_CpuBuffer* Refresh_CreateCpuBuffer(
 	Refresh_Device *device,
-	uint32_t sizeInBytes
+	uint32_t sizeInBytes,
+	void **pDataPtr
 );
 
 /* Disposal */
diff --git a/src/Refresh.c b/src/Refresh.c
index 7ec0e77..300b908 100644
--- a/src/Refresh.c
+++ b/src/Refresh.c
@@ -310,12 +310,14 @@ Refresh_GpuBuffer* Refresh_CreateGpuBuffer(
 
 Refresh_CpuBuffer* Refresh_CreateCpuBuffer(
 	Refresh_Device *device,
-	uint32_t sizeInBytes
+	uint32_t sizeInBytes,
+	void **pDataPtr
 ) {
 	NULL_RETURN_NULL(device);
 	return device->CreateCpuBuffer(
 		device->driverData,
-		sizeInBytes
+		sizeInBytes,
+		pDataPtr
 	);
 }
 
diff --git a/src/Refresh_Driver.h b/src/Refresh_Driver.h
index 4e9c683..80efbfa 100644
--- a/src/Refresh_Driver.h
+++ b/src/Refresh_Driver.h
@@ -216,7 +216,8 @@ struct Refresh_Device
 
 	Refresh_CpuBuffer* (*CreateCpuBuffer)(
 		Refresh_Renderer *driverData,
-		uint32_t sizeInBytes
+		uint32_t sizeInBytes,
+		void **pDataPtr
 	);
 
 	/* Disposal */
@@ -605,8 +606,6 @@ struct Refresh_Device
 	ASSIGN_DRIVER_FUNC(PushComputeShaderUniforms, name) \
 	ASSIGN_DRIVER_FUNC(DispatchCompute, name) \
 	ASSIGN_DRIVER_FUNC(EndComputePass, name) \
-	ASSIGN_DRIVER_FUNC(MapCpuBuffer, name) \
-	ASSIGN_DRIVER_FUNC(UnmapCpuBuffer, name) \
 	ASSIGN_DRIVER_FUNC(BeginCopyPass, name) \
 	ASSIGN_DRIVER_FUNC(UploadToTexture, name) \
 	ASSIGN_DRIVER_FUNC(UploadToBuffer, name) \