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Fix T95299: Empty render results show transparency checkerboard.

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When an image buffer cannot be read the checkerboard should not be
drawn.
This commit is contained in:
Jeroen Bakker
2022-01-31 10:51:25 +01:00
parent cfa235b89d
commit dfc959eed6
1 changed files with 15 additions and 2 deletions
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17
source/blender/draw/engines/image/image_drawing_mode.hh
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@@ -126,12 +126,19 @@ template<typename TextureMethod> class ScreenSpaceDrawingMode : public AbstractD
*/
void add_depth_shgroups(IMAGE_InstanceData &instance_data,
Image *image,
ImageUser *UNUSED(image_user)) const
ImageUser *image_user) const
{
GPUShader *shader = IMAGE_shader_depth_get();
DRWShadingGroup *shgrp = DRW_shgroup_create(shader, instance_data.passes.depth_pass);
float image_mat[4][4];
unit_m4(image_mat);
ImageUser tile_user = {0};
if (image_user) {
tile_user = *image_user;
}
for (int i = 0; i < SCREEN_SPACE_DRAWING_MODE_TEXTURE_LEN; i++) {
const TextureInfo &info = instance_data.texture_infos[i];
if (!info.visible) {
@@ -139,10 +146,16 @@ template<typename TextureMethod> class ScreenSpaceDrawingMode : public AbstractD
}
LISTBASE_FOREACH (ImageTile *, image_tile_ptr, &image->tiles) {
DRWShadingGroup *shsub = DRW_shgroup_create_sub(shgrp);
const ImageTileWrapper image_tile(image_tile_ptr);
const int tile_x = image_tile.get_tile_x_offset();
const int tile_y = image_tile.get_tile_y_offset();
tile_user.tile = image_tile.get_tile_number();
if (!BKE_image_has_ibuf(image, &tile_user)) {
continue;
}
DRWShadingGroup *shsub = DRW_shgroup_create_sub(shgrp);
float4 min_max_uv(tile_x, tile_y, tile_x + 1, tile_y + 1);
DRW_shgroup_uniform_vec4_copy(shsub, "min_max_uv", min_max_uv);
DRW_shgroup_call_obmat(shsub, info.batch, image_mat);