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/*
* 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.
*
* Copyright 2016, Blender Foundation.
*/
/** \file
* \ingroup draw_engine
*
* Gather all screen space effects technique such as Bloom, Motion Blur, DoF, SSAO, SSR, ...
*/
#include "DRW_render.h"
#include "BKE_global.h" /* for G.debug_value */
#include "eevee_private.h"
#include "GPU_texture.h"
#include "GPU_extensions.h"
#include "GPU_state.h"
static struct {
/* Downsample Depth */
struct GPUShader *minz_downlevel_sh;
struct GPUShader *maxz_downlevel_sh;
struct GPUShader *minz_downdepth_sh;
struct GPUShader *maxz_downdepth_sh;
struct GPUShader *minz_downdepth_layer_sh;
struct GPUShader *maxz_downdepth_layer_sh;
struct GPUShader *maxz_copydepth_layer_sh;
struct GPUShader *minz_copydepth_sh;
struct GPUShader *maxz_copydepth_sh;
/* Simple Downsample */
struct GPUShader *downsample_sh;
struct GPUShader *downsample_cube_sh;
/* Theses are just references, not actually allocated */
struct GPUTexture *depth_src;
struct GPUTexture *color_src;
int depth_src_layer;
float cube_texel_size;
} e_data = {NULL}; /* Engine data */
extern char datatoc_common_uniforms_lib_glsl[];
extern char datatoc_common_view_lib_glsl[];
extern char datatoc_bsdf_common_lib_glsl[];
extern char datatoc_effect_minmaxz_frag_glsl[];
extern char datatoc_effect_downsample_frag_glsl[];
extern char datatoc_effect_downsample_cube_frag_glsl[];
extern char datatoc_lightprobe_vert_glsl[];
extern char datatoc_lightprobe_geom_glsl[];
static void eevee_create_shader_downsample(void)
{
e_data.downsample_sh = DRW_shader_create_fullscreen(datatoc_effect_downsample_frag_glsl, NULL);
e_data.downsample_cube_sh = DRW_shader_create(datatoc_lightprobe_vert_glsl,
datatoc_lightprobe_geom_glsl,
datatoc_effect_downsample_cube_frag_glsl,
NULL);
e_data.minz_downlevel_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MIN_PASS\n");
e_data.maxz_downlevel_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MAX_PASS\n");
e_data.minz_downdepth_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MIN_PASS\n");
e_data.maxz_downdepth_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MAX_PASS\n");
e_data.minz_downdepth_layer_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MIN_PASS\n"
"#define LAYERED\n");
e_data.maxz_downdepth_layer_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MAX_PASS\n"
"#define LAYERED\n");
e_data.maxz_copydepth_layer_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MAX_PASS\n"
"#define COPY_DEPTH\n"
"#define LAYERED\n");
e_data.minz_copydepth_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MIN_PASS\n"
"#define COPY_DEPTH\n");
e_data.maxz_copydepth_sh = DRW_shader_create_fullscreen(datatoc_effect_minmaxz_frag_glsl,
"#define MAX_PASS\n"
"#define COPY_DEPTH\n");
}
#define SETUP_BUFFER(tex, fb, fb_color) \
{ \
eGPUTextureFormat format = (DRW_state_is_scene_render()) ? GPU_RGBA32F : GPU_RGBA16F; \
DRW_texture_ensure_fullscreen_2d(&tex, format, DRW_TEX_FILTER | DRW_TEX_MIPMAP); \
GPU_framebuffer_ensure_config(&fb, \
{ \
GPU_ATTACHMENT_TEXTURE(dtxl->depth), \
GPU_ATTACHMENT_TEXTURE(tex), \
}); \
GPU_framebuffer_ensure_config(&fb_color, \
{ \
GPU_ATTACHMENT_NONE, \
GPU_ATTACHMENT_TEXTURE(tex), \
}); \
} \
((void)0)
#define CLEANUP_BUFFER(tex, fb, fb_color) \
{ \
/* Cleanup to release memory */ \
DRW_TEXTURE_FREE_SAFE(tex); \
GPU_FRAMEBUFFER_FREE_SAFE(fb); \
GPU_FRAMEBUFFER_FREE_SAFE(fb_color); \
} \
((void)0)
void EEVEE_effects_init(EEVEE_ViewLayerData *sldata,
EEVEE_Data *vedata,
Object *camera,
const bool minimal)
{
EEVEE_CommonUniformBuffer *common_data = &sldata->common_data;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_TextureList *txl = vedata->txl;
EEVEE_EffectsInfo *effects;
DefaultTextureList *dtxl = DRW_viewport_texture_list_get();
const DRWContextState *draw_ctx = DRW_context_state_get();
ViewLayer *view_layer = draw_ctx->view_layer;
const float *viewport_size = DRW_viewport_size_get();
int size_fs[2] = {(int)viewport_size[0], (int)viewport_size[1]};
/* Shaders */
if (!e_data.downsample_sh) {
eevee_create_shader_downsample();
}
if (!stl->effects) {
stl->effects = MEM_callocN(sizeof(EEVEE_EffectsInfo), "EEVEE_EffectsInfo");
}
effects = stl->effects;
effects->enabled_effects = 0;
effects->enabled_effects |= (G.debug_value == 9) ? EFFECT_VELOCITY_BUFFER : 0;
effects->enabled_effects |= EEVEE_motion_blur_init(sldata, vedata, camera);
effects->enabled_effects |= EEVEE_bloom_init(sldata, vedata);
effects->enabled_effects |= EEVEE_depth_of_field_init(sldata, vedata, camera);
effects->enabled_effects |= EEVEE_temporal_sampling_init(sldata, vedata);
effects->enabled_effects |= EEVEE_occlusion_init(sldata, vedata);
effects->enabled_effects |= EEVEE_screen_raytrace_init(sldata, vedata);
EEVEE_volumes_init(sldata, vedata);
EEVEE_subsurface_init(sldata, vedata);
/* Force normal buffer creation. */
if (DRW_state_is_image_render() && !minimal && (view_layer->passflag & SCE_PASS_NORMAL) != 0) {
effects->enabled_effects |= EFFECT_NORMAL_BUFFER;
}
/* Alpha checker if background is not drawn in viewport. */
if (!DRW_state_is_image_render() && !DRW_state_draw_background()) {
effects->enabled_effects |= EFFECT_ALPHA_CHECKER;
}
/**
* Ping Pong buffer
*/
if ((effects->enabled_effects & EFFECT_POST_BUFFER) != 0) {
SETUP_BUFFER(txl->color_post, fbl->effect_fb, fbl->effect_color_fb);
}
else {
CLEANUP_BUFFER(txl->color_post, fbl->effect_fb, fbl->effect_color_fb);
}
/**
* MinMax Pyramid
*/
const bool half_res_hiz = true;
int size[2], div;
common_data->hiz_mip_offset = (half_res_hiz) ? 1 : 0;
div = (half_res_hiz) ? 2 : 1;
size[0] = max_ii(size_fs[0] / div, 1);
size[1] = max_ii(size_fs[1] / div, 1);
if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_ANY, GPU_DRIVER_ANY)) {
/* Intel gpu seems to have problem rendering to only depth format */
DRW_texture_ensure_2d(&txl->maxzbuffer, size[0], size[1], GPU_R32F, DRW_TEX_MIPMAP);
}
else {
DRW_texture_ensure_2d(
&txl->maxzbuffer, size[0], size[1], GPU_DEPTH_COMPONENT24, DRW_TEX_MIPMAP);
}
if (fbl->downsample_fb == NULL) {
fbl->downsample_fb = GPU_framebuffer_create();
}
/**
* Compute Mipmap texel alignment.
*/
for (int i = 0; i < 10; ++i) {
int mip_size[2];
GPU_texture_get_mipmap_size(txl->color, i, mip_size);
common_data->mip_ratio[i][0] = viewport_size[0] / (mip_size[0] * powf(2.0f, i));
common_data->mip_ratio[i][1] = viewport_size[1] / (mip_size[1] * powf(2.0f, i));
}
/**
* Normal buffer for deferred passes.
*/
if ((effects->enabled_effects & EFFECT_NORMAL_BUFFER) != 0) {
effects->ssr_normal_input = DRW_texture_pool_query_2d(
size_fs[0], size_fs[1], GPU_RG16, &draw_engine_eevee_type);
GPU_framebuffer_texture_attach(fbl->main_fb, effects->ssr_normal_input, 1, 0);
}
else {
effects->ssr_normal_input = NULL;
}
/**
* Motion vector buffer for correct TAA / motion blur.
*/
if ((effects->enabled_effects & EFFECT_VELOCITY_BUFFER) != 0) {
effects->velocity_tx = DRW_texture_pool_query_2d(
size_fs[0], size_fs[1], GPU_RG16, &draw_engine_eevee_type);
/* TODO output objects velocity during the mainpass. */
// GPU_framebuffer_texture_attach(fbl->main_fb, effects->velocity_tx, 1, 0);
GPU_framebuffer_ensure_config(
&fbl->velocity_resolve_fb,
{GPU_ATTACHMENT_NONE, GPU_ATTACHMENT_TEXTURE(effects->velocity_tx)});
}
else {
effects->velocity_tx = NULL;
}
/**
* Setup depth double buffer.
*/
if ((effects->enabled_effects & EFFECT_DEPTH_DOUBLE_BUFFER) != 0) {
DRW_texture_ensure_fullscreen_2d(&txl->depth_double_buffer, GPU_DEPTH24_STENCIL8, 0);
GPU_framebuffer_ensure_config(&fbl->double_buffer_depth_fb,
{GPU_ATTACHMENT_TEXTURE(txl->depth_double_buffer)});
}
else {
/* Cleanup to release memory */
DRW_TEXTURE_FREE_SAFE(txl->depth_double_buffer);
GPU_FRAMEBUFFER_FREE_SAFE(fbl->double_buffer_depth_fb);
}
if ((effects->enabled_effects & (EFFECT_TAA | EFFECT_TAA_REPROJECT)) != 0) {
SETUP_BUFFER(txl->taa_history, fbl->taa_history_fb, fbl->taa_history_color_fb);
}
else {
CLEANUP_BUFFER(txl->taa_history, fbl->taa_history_fb, fbl->taa_history_color_fb);
}
}
void EEVEE_effects_cache_init(EEVEE_ViewLayerData *sldata, EEVEE_Data *vedata)
{
EEVEE_PassList *psl = vedata->psl;
EEVEE_TextureList *txl = vedata->txl;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_EffectsInfo *effects = stl->effects;
DRWState downsample_write = DRW_STATE_WRITE_DEPTH;
DRWShadingGroup *grp;
/* Intel gpu seems to have problem rendering to only depth format.
* Use color texture instead. */
if (GPU_type_matches(GPU_DEVICE_INTEL, GPU_OS_ANY, GPU_DRIVER_ANY)) {
downsample_write = DRW_STATE_WRITE_COLOR;
}
struct GPUBatch *quad = DRW_cache_fullscreen_quad_get();
{
DRW_PASS_CREATE(psl->color_downsample_ps, DRW_STATE_WRITE_COLOR);
grp = DRW_shgroup_create(e_data.downsample_sh, psl->color_downsample_ps);
DRW_shgroup_uniform_texture_ref(grp, "source", &e_data.color_src);
DRW_shgroup_uniform_float(grp, "fireflyFactor", &sldata->common_data.ssr_firefly_fac, 1);
DRW_shgroup_call(grp, quad, NULL);
}
{
DRW_PASS_CREATE(psl->color_downsample_cube_ps, DRW_STATE_WRITE_COLOR);
grp = DRW_shgroup_create(e_data.downsample_cube_sh, psl->color_downsample_cube_ps);
DRW_shgroup_uniform_texture_ref(grp, "source", &e_data.color_src);
DRW_shgroup_uniform_float(grp, "texelSize", &e_data.cube_texel_size, 1);
DRW_shgroup_uniform_int_copy(grp, "Layer", 0);
DRW_shgroup_call_instances(grp, quad, NULL, 6);
}
{
/* Perform min/max downsample */
DRW_PASS_CREATE(psl->maxz_downlevel_ps, downsample_write | DRW_STATE_DEPTH_ALWAYS);
grp = DRW_shgroup_create(e_data.maxz_downlevel_sh, psl->maxz_downlevel_ps);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &txl->maxzbuffer);
DRW_shgroup_call(grp, quad, NULL);
/* Copy depth buffer to halfres top level of HiZ */
DRW_PASS_CREATE(psl->maxz_downdepth_ps, downsample_write | DRW_STATE_DEPTH_ALWAYS);
grp = DRW_shgroup_create(e_data.maxz_downdepth_sh, psl->maxz_downdepth_ps);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src);
DRW_shgroup_call(grp, quad, NULL);
DRW_PASS_CREATE(psl->maxz_downdepth_layer_ps, downsample_write | DRW_STATE_DEPTH_ALWAYS);
grp = DRW_shgroup_create(e_data.maxz_downdepth_layer_sh, psl->maxz_downdepth_layer_ps);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src);
DRW_shgroup_uniform_int(grp, "depthLayer", &e_data.depth_src_layer, 1);
DRW_shgroup_call(grp, quad, NULL);
DRW_PASS_CREATE(psl->maxz_copydepth_ps, downsample_write | DRW_STATE_DEPTH_ALWAYS);
grp = DRW_shgroup_create(e_data.maxz_copydepth_sh, psl->maxz_copydepth_ps);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src);
DRW_shgroup_call(grp, quad, NULL);
DRW_PASS_CREATE(psl->maxz_copydepth_layer_ps, downsample_write | DRW_STATE_DEPTH_ALWAYS);
grp = DRW_shgroup_create(e_data.maxz_copydepth_layer_sh, psl->maxz_copydepth_layer_ps);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src);
DRW_shgroup_uniform_int(grp, "depthLayer", &e_data.depth_src_layer, 1);
DRW_shgroup_call(grp, quad, NULL);
}
if ((effects->enabled_effects & EFFECT_VELOCITY_BUFFER) != 0) {
/* This pass compute camera motions to the non moving objects. */
DRW_PASS_CREATE(psl->velocity_resolve, DRW_STATE_WRITE_COLOR);
grp = DRW_shgroup_create(EEVEE_shaders_velocity_resolve_sh_get(), psl->velocity_resolve);
DRW_shgroup_uniform_texture_ref(grp, "depthBuffer", &e_data.depth_src);
DRW_shgroup_uniform_block(grp, "common_block", sldata->common_ubo);
DRW_shgroup_uniform_mat4(grp, "currPersinv", effects->velocity_curr_persinv);
DRW_shgroup_uniform_mat4(grp, "pastPersmat", effects->velocity_past_persmat);
DRW_shgroup_call(grp, quad, NULL);
}
if ((effects->enabled_effects & EFFECT_ALPHA_CHECKER) != 0) {
GPUShader *checker_sh = GPU_shader_get_builtin_shader(GPU_SHADER_2D_CHECKER);
copy_v4_fl4(effects->color_checker_dark, 0.15f, 0.15f, 0.15f, 1.0f);
copy_v4_fl4(effects->color_checker_light, 0.2f, 0.2f, 0.2f, 1.0f);
DRW_PASS_CREATE(psl->alpha_checker, DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_PREMUL_UNDER);
grp = DRW_shgroup_create(checker_sh, psl->alpha_checker);
DRW_shgroup_uniform_vec4(grp, "color1", effects->color_checker_dark, 1);
DRW_shgroup_uniform_vec4(grp, "color2", effects->color_checker_light, 1);
DRW_shgroup_uniform_int_copy(grp, "size", 8);
DRW_shgroup_call(grp, quad, NULL);
float mat[4][4];
unit_m4(mat);
/* Using default view bypasses the culling. */
const DRWView *default_view = DRW_view_default_get();
effects->checker_view = DRW_view_create_sub(default_view, mat, mat);
}
}
void EEVEE_effects_draw_init(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata)
{
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_TextureList *txl = vedata->txl;
EEVEE_EffectsInfo *effects = vedata->stl->effects;
DefaultTextureList *dtxl = DRW_viewport_texture_list_get();
/**
* Setup double buffer so we can access last frame as it was before post processes.
*/
if ((effects->enabled_effects & EFFECT_DOUBLE_BUFFER) != 0) {
SETUP_BUFFER(txl->color_double_buffer, fbl->double_buffer_fb, fbl->double_buffer_color_fb);
}
else {
CLEANUP_BUFFER(txl->color_double_buffer, fbl->double_buffer_fb, fbl->double_buffer_color_fb);
}
}
#if 0 /* Not required for now */
static void min_downsample_cb(void *vedata, int UNUSED(level))
{
EEVEE_PassList *psl = ((EEVEE_Data *)vedata)->psl;
DRW_draw_pass(psl->minz_downlevel_ps);
}
#endif
static void max_downsample_cb(void *vedata, int UNUSED(level))
{
EEVEE_PassList *psl = ((EEVEE_Data *)vedata)->psl;
DRW_draw_pass(psl->maxz_downlevel_ps);
}
static void simple_downsample_cb(void *vedata, int UNUSED(level))
{
EEVEE_PassList *psl = ((EEVEE_Data *)vedata)->psl;
DRW_draw_pass(psl->color_downsample_ps);
}
static void simple_downsample_cube_cb(void *vedata, int level)
{
EEVEE_PassList *psl = ((EEVEE_Data *)vedata)->psl;
e_data.cube_texel_size = (float)(1 << level) / (float)GPU_texture_width(e_data.color_src);
DRW_draw_pass(psl->color_downsample_cube_ps);
}
void EEVEE_create_minmax_buffer(EEVEE_Data *vedata, GPUTexture *depth_src, int layer)
{
EEVEE_PassList *psl = vedata->psl;
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_TextureList *txl = vedata->txl;
e_data.depth_src = depth_src;
e_data.depth_src_layer = layer;
#if 0 /* Not required for now */
DRW_stats_group_start("Min buffer");
/* Copy depth buffer to min texture top level */
GPU_framebuffer_texture_attach(fbl->downsample_fb, stl->g_data->minzbuffer, 0, 0);
GPU_framebuffer_bind(fbl->downsample_fb);
if (layer >= 0) {
DRW_draw_pass(psl->minz_downdepth_layer_ps);
}
else {
DRW_draw_pass(psl->minz_downdepth_ps);
}
GPU_framebuffer_texture_detach(stl->g_data->minzbuffer);
/* Create lower levels */
GPU_framebuffer_recursive_downsample(
fbl->downsample_fb, stl->g_data->minzbuffer, 8, &min_downsample_cb, vedata);
DRW_stats_group_end();
#endif
int minmax_size[3], depth_size[3];
GPU_texture_get_mipmap_size(depth_src, 0, depth_size);
GPU_texture_get_mipmap_size(txl->maxzbuffer, 0, minmax_size);
bool is_full_res_minmaxz = (minmax_size[0] == depth_size[0] && minmax_size[1] == depth_size[1]);
DRW_stats_group_start("Max buffer");
/* Copy depth buffer to max texture top level */
GPU_framebuffer_texture_attach(fbl->downsample_fb, txl->maxzbuffer, 0, 0);
GPU_framebuffer_bind(fbl->downsample_fb);
if (layer >= 0) {
if (is_full_res_minmaxz) {
DRW_draw_pass(psl->maxz_copydepth_layer_ps);
}
else {
DRW_draw_pass(psl->maxz_downdepth_layer_ps);
}
}
else {
if (is_full_res_minmaxz) {
DRW_draw_pass(psl->maxz_copydepth_ps);
}
else {
DRW_draw_pass(psl->maxz_downdepth_ps);
}
}
/* Create lower levels */
GPU_framebuffer_recursive_downsample(fbl->downsample_fb, 8, &max_downsample_cb, vedata);
GPU_framebuffer_texture_detach(fbl->downsample_fb, txl->maxzbuffer);
DRW_stats_group_end();
/* Restore */
GPU_framebuffer_bind(fbl->main_fb);
if (GPU_mip_render_workaround() ||
GPU_type_matches(GPU_DEVICE_INTEL_UHD, GPU_OS_WIN, GPU_DRIVER_ANY)) {
/* Fix dot corruption on intel HD5XX/HD6XX series. */
GPU_flush();
}
}
/**
* Simple downsampling algorithm. Reconstruct mip chain up to mip level.
*/
void EEVEE_downsample_buffer(EEVEE_Data *vedata, GPUTexture *texture_src, int level)
{
EEVEE_FramebufferList *fbl = vedata->fbl;
e_data.color_src = texture_src;
/* Create lower levels */
DRW_stats_group_start("Downsample buffer");
GPU_framebuffer_texture_attach(fbl->downsample_fb, texture_src, 0, 0);
GPU_framebuffer_recursive_downsample(fbl->downsample_fb, level, &simple_downsample_cb, vedata);
GPU_framebuffer_texture_detach(fbl->downsample_fb, texture_src);
DRW_stats_group_end();
}
/**
* Simple downsampling algorithm for cubemap. Reconstruct mip chain up to mip level.
*/
void EEVEE_downsample_cube_buffer(EEVEE_Data *vedata, GPUTexture *texture_src, int level)
{
EEVEE_FramebufferList *fbl = vedata->fbl;
e_data.color_src = texture_src;
/* Create lower levels */
DRW_stats_group_start("Downsample Cube buffer");
GPU_framebuffer_texture_attach(fbl->downsample_fb, texture_src, 0, 0);
GPU_framebuffer_recursive_downsample(
fbl->downsample_fb, level, &simple_downsample_cube_cb, vedata);
GPU_framebuffer_texture_detach(fbl->downsample_fb, texture_src);
DRW_stats_group_end();
}
void EEVEE_draw_alpha_checker(EEVEE_Data *vedata)
{
EEVEE_PassList *psl = vedata->psl;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_EffectsInfo *effects = stl->effects;
if ((effects->enabled_effects & EFFECT_ALPHA_CHECKER) != 0) {
DRW_view_set_active(effects->checker_view);
DRW_draw_pass(psl->alpha_checker);
DRW_view_set_active(NULL);
}
}
static void EEVEE_velocity_resolve(EEVEE_Data *vedata)
{
EEVEE_PassList *psl = vedata->psl;
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_EffectsInfo *effects = stl->effects;
struct DRWView *view = effects->taa_view;
if ((effects->enabled_effects & EFFECT_VELOCITY_BUFFER) != 0) {
DefaultTextureList *dtxl = DRW_viewport_texture_list_get();
e_data.depth_src = dtxl->depth;
DRW_view_persmat_get(view, effects->velocity_curr_persinv, true);
GPU_framebuffer_bind(fbl->velocity_resolve_fb);
DRW_draw_pass(psl->velocity_resolve);
}
DRW_view_persmat_get(view, effects->velocity_past_persmat, false);
}
void EEVEE_draw_effects(EEVEE_ViewLayerData *UNUSED(sldata), EEVEE_Data *vedata)
{
EEVEE_TextureList *txl = vedata->txl;
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_EffectsInfo *effects = stl->effects;
/* only once per frame after the first post process */
effects->swap_double_buffer = ((effects->enabled_effects & EFFECT_DOUBLE_BUFFER) != 0);
/* Init pointers */
effects->source_buffer = txl->color; /* latest updated texture */
effects->target_buffer = fbl->effect_color_fb; /* next target to render to */
/* Post process stack (order matters) */
EEVEE_motion_blur_draw(vedata);
EEVEE_depth_of_field_draw(vedata);
/* NOTE: Lookdev drawing happens before TAA but after
* motion blur and dof to avoid distortions.
* Velocity resolve use a hack to exclude lookdev
* spheres from creating shimering reprojection vectors. */
EEVEE_lookdev_draw(vedata);
EEVEE_velocity_resolve(vedata);
EEVEE_temporal_sampling_draw(vedata);
EEVEE_bloom_draw(vedata);
/* Save the final texture and framebuffer for final transformation or read. */
effects->final_tx = effects->source_buffer;
effects->final_fb = (effects->target_buffer != fbl->main_color_fb) ? fbl->main_fb :
fbl->effect_fb;
if ((effects->enabled_effects & EFFECT_TAA) && (effects->source_buffer == txl->taa_history)) {
effects->final_fb = fbl->taa_history_fb;
}
/* If no post processes is enabled, buffers are still not swapped, do it now. */
SWAP_DOUBLE_BUFFERS();
if (!stl->g_data->valid_double_buffer &&
((effects->enabled_effects & EFFECT_DOUBLE_BUFFER) != 0) &&
(DRW_state_is_image_render() == false)) {
/* If history buffer is not valid request another frame.
* This fix black reflections on area resize. */
DRW_viewport_request_redraw();
}
/* Record pers matrix for the next frame. */
DRW_view_persmat_get(effects->taa_view, effects->prev_persmat, false);
/* Update double buffer status if render mode. */
if (DRW_state_is_image_render()) {
stl->g_data->valid_double_buffer = (txl->color_double_buffer != NULL);
stl->g_data->valid_taa_history = (txl->taa_history != NULL);
}
}
void EEVEE_effects_free(void)
{
DRW_SHADER_FREE_SAFE(e_data.downsample_sh);
DRW_SHADER_FREE_SAFE(e_data.downsample_cube_sh);
DRW_SHADER_FREE_SAFE(e_data.minz_downlevel_sh);
DRW_SHADER_FREE_SAFE(e_data.maxz_downlevel_sh);
DRW_SHADER_FREE_SAFE(e_data.minz_downdepth_sh);
DRW_SHADER_FREE_SAFE(e_data.maxz_downdepth_sh);
DRW_SHADER_FREE_SAFE(e_data.minz_downdepth_layer_sh);
DRW_SHADER_FREE_SAFE(e_data.maxz_downdepth_layer_sh);
DRW_SHADER_FREE_SAFE(e_data.maxz_copydepth_layer_sh);
DRW_SHADER_FREE_SAFE(e_data.minz_copydepth_sh);
DRW_SHADER_FREE_SAFE(e_data.maxz_copydepth_sh);
}
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