Differential D16721 Diff 58744 source/blender/gpu/intern/gpu_uniform_buffer.cc

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source/blender/gpu/intern/gpu_uniform_buffer.cc

	/* SPDX-License-Identifier: GPL-2.0-or-later			/* SPDX-License-Identifier: GPL-2.0-or-later
	* Copyright 2020 Blender Foundation. All rights reserved. */			* Copyright 2020 Blender Foundation. All rights reserved. */

	/** \file			/** \file
	* \ingroup gpu			* \ingroup gpu
	*/			*/

	#include "MEM_guardedalloc.h"			#include "MEM_guardedalloc.h"
	#include <cstring>			#include <cstring>

	#include "BLI_blenlib.h"			#include "BLI_blenlib.h"
	#include "BLI_math_base.h"			#include "BLI_math_base.h"

	#include "gpu_backend.hh"			#include "gpu_backend.hh"
	#include "gpu_node_graph.h"			#include "gpu_node_graph.h"

				#include "GPU_context.h"
	#include "GPU_material.h"			#include "GPU_material.h"

	#include "GPU_uniform_buffer.h"			#include "GPU_uniform_buffer.h"
	#include "gpu_uniform_buffer_private.hh"			#include "gpu_uniform_buffer_private.hh"

	/* -------------------------------------------------------------------- */			/* -------------------------------------------------------------------- */
	/** \name Creation & Deletion			/** \name Creation & Deletion
	* \{ */			* \{ */
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	/**			/**
	* We need to pad some data types (vec3) on the C side			* We need to pad some data types (vec3) on the C side
	* To match the GPU expected memory block alignment.			* To match the GPU expected memory block alignment.
	*/			*/
	static eGPUType get_padded_gpu_type(LinkData *link)			static eGPUType get_padded_gpu_type(LinkData *link)
	{			{
	GPUInput input = (GPUInput )link->data;			GPUInput input = (GPUInput )link->data;
	eGPUType gputype = input->type;			eGPUType gputype = input->type;
				/* Metal cannot pack floats after vec3. */
				if (GPU_backend_get_type() == GPU_BACKEND_METAL) {
				return (gputype == GPU_VEC3) ? GPU_VEC4 : gputype;
				}
	/* Unless the vec3 is followed by a float we need to treat it as a vec4. */			/* Unless the vec3 is followed by a float we need to treat it as a vec4. */
	if (gputype == GPU_VEC3 && (link->next != nullptr) &&			if (gputype == GPU_VEC3 && (link->next != nullptr) &&
	(((GPUInput *)link->next->data)->type != GPU_FLOAT)) {			(((GPUInput *)link->next->data)->type != GPU_FLOAT)) {
	gputype = GPU_VEC4;			gputype = GPU_VEC4;
	}			}
	return gputype;			return gputype;
	}			}

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	{			{
	/* Only support up to this type, if you want to extend it, make sure static void			/* Only support up to this type, if you want to extend it, make sure static void
	* inputs_sobuffer_size_compute inputs) padding logic is correct for the new types. /			* inputs_sobuffer_size_compute inputs) padding logic is correct for the new types. /
	#define MAX_UBO_GPU_TYPE GPU_MAT4			#define MAX_UBO_GPU_TYPE GPU_MAT4

	/* Order them as mat4, vec4, vec3, vec2, float. */			/* Order them as mat4, vec4, vec3, vec2, float. */
	BLI_listbase_sort(inputs, inputs_cmp);			BLI_listbase_sort(inputs, inputs_cmp);

				/* Metal cannot pack floats after vec3. */
				if (GPU_backend_get_type() == GPU_BACKEND_METAL) {
				return;
				}

	/* Creates a lookup table for the different types; */			/* Creates a lookup table for the different types; */
	LinkData *inputs_lookup[MAX_UBO_GPU_TYPE + 1] = {nullptr};			LinkData *inputs_lookup[MAX_UBO_GPU_TYPE + 1] = {nullptr};
	eGPUType cur_type = static_cast<eGPUType>(MAX_UBO_GPU_TYPE + 1);			eGPUType cur_type = static_cast<eGPUType>(MAX_UBO_GPU_TYPE + 1);

	LISTBASE_FOREACH (LinkData *, link, inputs) {			LISTBASE_FOREACH (LinkData *, link, inputs) {
	GPUInput input = (GPUInput )link->data;			GPUInput input = (GPUInput )link->data;

	if (input->type == GPU_MAT3) {			if (input->type == GPU_MAT3) {
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