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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2019 Blender Foundation. */
/** \file
* \ingroup draw
*/
#include "DRW_render.h"
#include "gpencil_engine.h"
extern char datatoc_gpencil_common_lib_glsl[];
extern char datatoc_gpencil_frag_glsl[];
extern char datatoc_gpencil_vert_glsl[];
extern char datatoc_gpencil_antialiasing_frag_glsl[];
extern char datatoc_gpencil_antialiasing_vert_glsl[];
extern char datatoc_gpencil_layer_blend_frag_glsl[];
extern char datatoc_gpencil_mask_invert_frag_glsl[];
extern char datatoc_gpencil_depth_merge_frag_glsl[];
extern char datatoc_gpencil_depth_merge_vert_glsl[];
extern char datatoc_gpencil_vfx_frag_glsl[];
extern char datatoc_common_colormanagement_lib_glsl[];
extern char datatoc_common_fullscreen_vert_glsl[];
extern char datatoc_common_smaa_lib_glsl[];
extern char datatoc_common_view_lib_glsl[];
static struct {
/* SMAA antialiasing */
GPUShader *antialiasing_sh[3];
/* GPencil Object rendering */
GPUShader *gpencil_sh;
/* Final Compositing over rendered background. */
GPUShader *composite_sh;
/* All layer blend types in one shader! */
GPUShader *layer_blend_sh;
/* Merge the final object depth to the depth buffer. */
GPUShader *depth_merge_sh;
/* Invert the content of the mask buffer. */
GPUShader *mask_invert_sh;
/* Effects. */
GPUShader *fx_composite_sh;
GPUShader *fx_colorize_sh;
GPUShader *fx_blur_sh;
GPUShader *fx_glow_sh;
GPUShader *fx_pixel_sh;
GPUShader *fx_rim_sh;
GPUShader *fx_shadow_sh;
GPUShader *fx_transform_sh;
} g_shaders = {{NULL}};
void GPENCIL_shader_free(void)
{
DRW_SHADER_FREE_SAFE(g_shaders.antialiasing_sh[0]);
DRW_SHADER_FREE_SAFE(g_shaders.antialiasing_sh[1]);
DRW_SHADER_FREE_SAFE(g_shaders.antialiasing_sh[2]);
DRW_SHADER_FREE_SAFE(g_shaders.gpencil_sh);
DRW_SHADER_FREE_SAFE(g_shaders.composite_sh);
DRW_SHADER_FREE_SAFE(g_shaders.layer_blend_sh);
DRW_SHADER_FREE_SAFE(g_shaders.depth_merge_sh);
DRW_SHADER_FREE_SAFE(g_shaders.mask_invert_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_composite_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_colorize_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_blur_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_glow_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_pixel_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_rim_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_shadow_sh);
DRW_SHADER_FREE_SAFE(g_shaders.fx_transform_sh);
}
GPUShader *GPENCIL_shader_antialiasing(int stage)
{
BLI_assert(stage < 3);
if (!g_shaders.antialiasing_sh[stage]) {
char stage_info_name[32];
SNPRINTF(stage_info_name, "gpencil_antialiasing_stage_%d", stage);
g_shaders.antialiasing_sh[stage] = GPU_shader_create_from_info_name(stage_info_name);
}
return g_shaders.antialiasing_sh[stage];
}
GPUShader *GPENCIL_shader_geometry_get(void)
{
if (!g_shaders.gpencil_sh) {
g_shaders.gpencil_sh = GPU_shader_create_from_info_name("gpencil_geometry");
}
return g_shaders.gpencil_sh;
}
GPUShader *GPENCIL_shader_layer_blend_get(void)
{
if (!g_shaders.layer_blend_sh) {
g_shaders.layer_blend_sh = GPU_shader_create_from_info_name("gpencil_layer_blend");
}
return g_shaders.layer_blend_sh;
}
GPUShader *GPENCIL_shader_mask_invert_get(void)
{
if (!g_shaders.mask_invert_sh) {
g_shaders.mask_invert_sh = GPU_shader_create_from_info_name("gpencil_mask_invert");
}
return g_shaders.mask_invert_sh;
}
GPUShader *GPENCIL_shader_depth_merge_get(void)
{
if (!g_shaders.depth_merge_sh) {
g_shaders.depth_merge_sh = GPU_shader_create_from_info_name("gpencil_depth_merge");
}
return g_shaders.depth_merge_sh;
}
/* ------- FX Shaders --------- */
GPUShader *GPENCIL_shader_fx_blur_get(void)
{
if (!g_shaders.fx_blur_sh) {
g_shaders.fx_blur_sh = GPU_shader_create_from_info_name("gpencil_fx_blur");
}
return g_shaders.fx_blur_sh;
}
GPUShader *GPENCIL_shader_fx_colorize_get(void)
{
if (!g_shaders.fx_colorize_sh) {
g_shaders.fx_colorize_sh = GPU_shader_create_from_info_name("gpencil_fx_colorize");
}
return g_shaders.fx_colorize_sh;
}
GPUShader *GPENCIL_shader_fx_composite_get(void)
{
if (!g_shaders.fx_composite_sh) {
g_shaders.fx_composite_sh = GPU_shader_create_from_info_name("gpencil_fx_composite");
}
return g_shaders.fx_composite_sh;
}
GPUShader *GPENCIL_shader_fx_glow_get(void)
{
if (!g_shaders.fx_glow_sh) {
g_shaders.fx_glow_sh = GPU_shader_create_from_info_name("gpencil_fx_glow");
}
return g_shaders.fx_glow_sh;
}
GPUShader *GPENCIL_shader_fx_pixelize_get(void)
{
if (!g_shaders.fx_pixel_sh) {
g_shaders.fx_pixel_sh = GPU_shader_create_from_info_name("gpencil_fx_pixelize");
}
return g_shaders.fx_pixel_sh;
}
GPUShader *GPENCIL_shader_fx_rim_get(void)
{
if (!g_shaders.fx_rim_sh) {
g_shaders.fx_rim_sh = GPU_shader_create_from_info_name("gpencil_fx_rim");
}
return g_shaders.fx_rim_sh;
}
GPUShader *GPENCIL_shader_fx_shadow_get(void)
{
if (!g_shaders.fx_shadow_sh) {
g_shaders.fx_shadow_sh = GPU_shader_create_from_info_name("gpencil_fx_shadow");
}
return g_shaders.fx_shadow_sh;
}
GPUShader *GPENCIL_shader_fx_transform_get(void)
{
if (!g_shaders.fx_transform_sh) {
g_shaders.fx_transform_sh = GPU_shader_create_from_info_name("gpencil_fx_transform");
}
return g_shaders.fx_transform_sh;
}
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