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test/source/blender/draw/engines/image/image_shader.cc

56 lines
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C++

/* SPDX-FileCopyrightText: 2020 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup draw_engine
*/
#include "DRW_render.hh"
#include "BLI_dynstr.h"
#include "GPU_batch.hh"
#include "image_engine.h"
#include "image_private.hh"
namespace blender::draw::image_engine {
struct IMAGE_Shaders {
GPUShader *image_sh;
GPUShader *depth_sh;
};
static struct {
IMAGE_Shaders shaders;
} e_data = {{nullptr}}; /* Engine data */
GPUShader *IMAGE_shader_image_get()
{
IMAGE_Shaders *sh_data = &e_data.shaders;
if (sh_data->image_sh == nullptr) {
sh_data->image_sh = GPU_shader_create_from_info_name("image_engine_color_shader");
}
return sh_data->image_sh;
}
GPUShader *IMAGE_shader_depth_get()
{
IMAGE_Shaders *sh_data = &e_data.shaders;
if (sh_data->depth_sh == nullptr) {
sh_data->depth_sh = GPU_shader_create_from_info_name("image_engine_depth_shader");
}
return sh_data->depth_sh;
}
void IMAGE_shader_free()
{
GPUShader **sh_data_as_array = (GPUShader **)&e_data.shaders;
for (int i = 0; i < (sizeof(IMAGE_Shaders) / sizeof(GPUShader *)); i++) {
DRW_SHADER_FREE_SAFE(sh_data_as_array[i]);
}
}
} // namespace blender::draw::image_engine