Add gfx_api::buffer::current_buffer_size()

Warzone2100 · Nov 2, 2023 · 866e733 · 866e733
1 parent 9fd8ec4
commit 866e733
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diff --git a/lib/ivis_opengl/gfx_api.h b/lib/ivis_opengl/gfx_api.h
@@ -160,6 +160,8 @@ namespace gfx_api
 		//       (i.e. Don't re-use a buffer instance for different data in the same frame - use separate buffer instances.)
 		virtual void update(const size_t& start, const size_t& size, const void* data, const update_flag flag = update_flag::none) = 0;
 
+		virtual size_t current_buffer_size() = 0;
+
 		virtual void bind() = 0;
 
 		virtual ~buffer() {};

diff --git a/lib/ivis_opengl/gfx_api_gl.cpp b/lib/ivis_opengl/gfx_api_gl.cpp
@@ -622,6 +622,11 @@ void gl_buffer::update(const size_t & start, const size_t & size, const void * d
 	glBindBuffer(to_gl(usage), 0);
 }
 
+size_t gl_buffer::current_buffer_size()
+{
+	return buffer_size;
+}
+
 // MARK: gl_pipeline_state_object
 
 struct program_data

diff --git a/lib/ivis_opengl/gfx_api_gl.h b/lib/ivis_opengl/gfx_api_gl.h
@@ -147,6 +147,7 @@ struct gl_buffer final : public gfx_api::buffer
 	void unbind();
 	virtual void upload(const size_t & size, const void * data) override;
 	virtual void update(const size_t & start, const size_t & size, const void * data, const update_flag flag = update_flag::none) override;
+	virtual size_t current_buffer_size() override;
 };
 
 struct gl_pipeline_id final : public gfx_api::pipeline_state_object

diff --git a/lib/ivis_opengl/gfx_api_null.cpp b/lib/ivis_opengl/gfx_api_null.cpp
@@ -158,6 +158,11 @@ void null_buffer::update(const size_t & start, const size_t & size, const void *
 	// no-op
 }
 
+size_t null_buffer::current_buffer_size()
+{
+	return buffer_size;
+}
+
 // MARK: null_pipeline_state_object
 
 null_pipeline_state_object::null_pipeline_state_object(const gfx_api::state_description& _desc, const std::vector<gfx_api::vertex_buffer>& _vertex_buffer_desc)

diff --git a/lib/ivis_opengl/gfx_api_null.h b/lib/ivis_opengl/gfx_api_null.h
@@ -81,6 +81,7 @@ struct null_buffer final : public gfx_api::buffer
 	void bind() override;
 	virtual void upload(const size_t & size, const void * data) override;
 	virtual void update(const size_t & start, const size_t & size, const void * data, const update_flag flag = update_flag::none) override;
+	virtual size_t current_buffer_size() override;
 };
 
 struct null_pipeline_state_object final : public gfx_api::pipeline_state_object

diff --git a/lib/ivis_opengl/gfx_api_vk.cpp b/lib/ivis_opengl/gfx_api_vk.cpp
@@ -1907,6 +1907,11 @@ void VkBuf::update(const size_t & start, const size_t & size, const void * data,
 	cmdBuffer->copyBuffer(stagingMemory.buffer, object, copyRegions, root->vkDynLoader);
 }
 
+size_t VkBuf::current_buffer_size()
+{
+	return buffer_size;
+}
+
 void VkBuf::bind() {}
 
 // MARK: VkTexture

diff --git a/lib/ivis_opengl/gfx_api_vk.h b/lib/ivis_opengl/gfx_api_vk.h
@@ -435,6 +435,7 @@ struct VkBuf final : public gfx_api::buffer
 
 	virtual void upload(const size_t & size, const void * data) override;
 	virtual void update(const size_t & start, const size_t & size, const void * data, const update_flag flag = update_flag::none) override;
+	virtual size_t current_buffer_size() override;
 
 	virtual void bind() override;