From 8fc99079dcc0e48d89219b60b8c5b6b3839794d9 Mon Sep 17 00:00:00 2001
From: Gregory Wells <me@gregorywells.dev>
Date: Tue, 12 Aug 2025 23:56:35 -0400
Subject: [PATCH] command buffer basic lifecycle

---
 .../opengl/loader/opengl_commands_loader.c    | 20 ++++++++++++++++++-
 .../commands/buffers/opengl_command_buffer.c  | 14 +++++++++++++
 .../commands/buffers/opengl_command_buffer.h  |  5 +++++
 3 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/projects/apis/opengl/loader/opengl_commands_loader.c b/projects/apis/opengl/loader/opengl_commands_loader.c
index a74cf03..2751685 100644
--- a/projects/apis/opengl/loader/opengl_commands_loader.c
+++ b/projects/apis/opengl/loader/opengl_commands_loader.c
@@ -3,6 +3,24 @@
 
 gnCommandFunctions loadOpenGLCommandFunctions() {
     return (gnCommandFunctions) {
-        ._gnCommandPoolAllocateCommandBuffers = openglCommandPoolAllocateCommandBuffers
+        ._gnCommandPoolAllocateCommandBuffers = openglCommandPoolAllocateCommandBuffers,
+
+        ._gnBeginCommandBuffer = openglBeginCommandBuffer,
+        ._gnResetCommandBuffer = openglResetCommandBuffer,
+        ._gnEndCommandBuffer = openglEndCommandBuffer,
+        ._gnDestroyCommandBuffer = openglDestroyCommandBuffer,
+
+        ._gnCommandBeginRenderPass = NULL,
+        ._gnCommandEndRenderPass = NULL,
+
+        ._gnCommandBindGraphicsPipeline = NULL,
+        ._gnCommandSetViewport = NULL,
+        ._gnCommandSetScissor = NULL,
+        ._gnCommandBindUniform = NULL,
+        ._gnCommandPushConstant = NULL,
+
+        ._gnCommandBindBuffer = NULL,
+        ._gnCommandDraw = NULL,
+        ._gnCommandDrawIndexed = NULL,
     };
 }
diff --git a/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.c b/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.c
index a23fe70..cdecaed 100644
--- a/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.c
+++ b/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.c
@@ -20,3 +20,17 @@ gnReturnCode openglCommandPoolAllocateCommandBuffers(gnCommandBufferHandle* comm
 
     return GN_SUCCESS;
 }
+
+void openglResetCommandBuffer(gnCommandBuffer commandBuffer) {
+    // commandBuffer->commandBuffer->
+    // nothing, for now command buffers are implictly reset on begin
+}
+gnReturnCode openglBeginCommandBuffer(gnCommandBuffer commandBuffer) {
+    return GN_SUCCESS;
+}
+gnReturnCode openglEndCommandBuffer(gnCommandBuffer commandBuffer) {
+    return GN_SUCCESS;
+}
+void openglDestroyCommandBuffer(gnCommandBuffer commandBuffer) {
+    commandBuffer->commandPool->commandPool->canBeReallocated[commandBuffer->commandBuffer->index] = GN_TRUE;
+}
diff --git a/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.h b/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.h
index 3eca201..8d1655c 100644
--- a/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.h
+++ b/projects/apis/opengl/src/commands/buffers/opengl_command_buffer.h
@@ -5,3 +5,8 @@ typedef struct gnPlatformCommandBuffer_t {
     int index;
 } gnPlatformCommandBuffer;
 gnReturnCode openglCommandPoolAllocateCommandBuffers(gnCommandBufferHandle* commandBuffers, uint32_t count, gnCommandPoolHandle pool);
+
+void openglResetCommandBuffer(gnCommandBuffer commandBuffer);
+gnReturnCode openglBeginCommandBuffer(gnCommandBuffer commandBuffer);
+gnReturnCode openglEndCommandBuffer(gnCommandBuffer commandBuffer);
+void openglDestroyCommandBuffer(gnCommandBuffer commandBuffer);