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Eevee: Add Z pass render result.

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This commit is contained in:
Clément Foucault
2018-01-29 21:59:34 +01:00
parent 0f93d67617
commit 376d42304b
4 changed files with 63 additions and 0 deletions
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34
source/blender/draw/engines/eevee/eevee_render.c
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@@ -228,11 +228,19 @@ void EEVEE_render_draw(EEVEE_Data *vedata, struct RenderEngine *UNUSED(engine),
void EEVEE_render_output(EEVEE_Data *vedata, RenderEngine *engine, struct Depsgraph *UNUSED(depsgraph))
{
const DRWContextState *draw_ctx = DRW_context_state_get();
ViewLayer *view_layer = draw_ctx->view_layer;
DefaultTextureList *dtxl = DRW_viewport_texture_list_get();
EEVEE_ViewLayerData *sldata = EEVEE_view_layer_data_ensure();
EEVEE_FramebufferList *fbl = vedata->fbl;
EEVEE_StorageList *stl = vedata->stl;
EEVEE_PrivateData *g_data = stl->g_data;
EEVEE_CommonUniformBuffer *common_data = &sldata->common_data;
const char *viewname = NULL;
const float *render_size = DRW_viewport_size_get();
/* Combined */
RenderResult *rr = RE_engine_begin_result(engine, 0, 0, (int)render_size[0], (int)render_size[1], NULL, viewname);
RenderLayer *rl = rr->layers.first;
RenderPass *rp = RE_pass_find_by_name(rl, RE_PASSNAME_COMBINED, viewname);
@@ -240,5 +248,31 @@ void EEVEE_render_output(EEVEE_Data *vedata, RenderEngine *engine, struct Depsgr
DRW_framebuffer_bind(stl->effects->final_fb);
DRW_framebuffer_read_data(0, 0, (int)render_size[0], (int)render_size[1], 4, 0, rp->rect);
if (view_layer->passflag & SCE_PASS_Z) {
rp = RE_pass_find_by_name(rl, RE_PASSNAME_Z, viewname);
DRW_framebuffer_texture_attach(fbl->main, dtxl->depth, 0, 0);
DRW_framebuffer_bind(fbl->main);
DRW_framebuffer_read_depth(0, 0, (int)render_size[0], (int)render_size[1], rp->rect);
bool is_persp = DRW_viewport_is_persp_get();
/* Convert ogl depth [0..1] to view Z [near..far] */
for (int i = 0; i < (int)render_size[0] * (int)render_size[1]; ++i) {
if (rp->rect[i] == 1.0f ) {
rp->rect[i] = 1e10f; /* Background */
}
else {
if (is_persp) {
rp->rect[i] = rp->rect[i] * 2.0f - 1.0f;
rp->rect[i] = g_data->winmat[3][2] / (rp->rect[i] + g_data->winmat[2][2]);
}
else {
rp->rect[i] = -common_data->view_vecs[0][2] + rp->rect[i] * -common_data->view_vecs[1][2];
}
}
}
}
RE_engine_end_result(engine, rr, false, false, false);
}