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/*
* Copyright 2016, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Blender Institute
*
*/
/** \file workbench_effect_fxaa.c
* \ingroup draw_engine
*/
#include "workbench_private.h"
/* *********** STATIC *********** */
static struct {
struct GPUShader *effect_fxaa_sh;
} e_data = {NULL};
/* Shaders */
extern char datatoc_common_fxaa_lib_glsl[];
extern char datatoc_common_fullscreen_vert_glsl[];
extern char datatoc_workbench_effect_fxaa_frag_glsl[];
/* *********** Functions *********** */
void workbench_fxaa_engine_init(void)
{
if (e_data.effect_fxaa_sh == NULL) {
e_data.effect_fxaa_sh = DRW_shader_create_with_lib(
datatoc_common_fullscreen_vert_glsl, NULL,
datatoc_workbench_effect_fxaa_frag_glsl,
datatoc_common_fxaa_lib_glsl,
NULL);
}
}
DRWPass *workbench_fxaa_create_pass(GPUTexture **color_buffer_tx)
{
DRWPass *pass = DRW_pass_create("Effect FXAA", DRW_STATE_WRITE_COLOR);
DRWShadingGroup *grp = DRW_shgroup_create(e_data.effect_fxaa_sh, pass);
DRW_shgroup_uniform_texture_ref(grp, "colorBuffer", color_buffer_tx);
DRW_shgroup_uniform_vec2(grp, "invertedViewportSize", DRW_viewport_invert_size_get(), 1);
DRW_shgroup_call_add(grp, DRW_cache_fullscreen_quad_get(), NULL);
return pass;
}
void workbench_fxaa_engine_free(void)
{
DRW_SHADER_FREE_SAFE(e_data.effect_fxaa_sh);
}
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