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Realtime Compositor: Optimize image textures

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This patch optimizes the evaluation of image textures by using and
prefetching a unified texture pool for the evaluation.
This commit is contained in:
Omar Emara
2023-04-27 17:09:27 +02:00
parent 9292e094e7
commit a32dbb892f
1 changed files with 7 additions and 1 deletions
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8
source/blender/compositor/realtime_compositor/cached_resources/intern/cached_texture.cc
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@@ -11,6 +11,7 @@
#include "GPU_texture.h"
#include "BKE_image.h"
#include "BKE_texture.h"
#include "DNA_ID.h"
@@ -50,6 +51,9 @@ bool operator==(const CachedTextureKey &a, const CachedTextureKey &b)
CachedTexture::CachedTexture(
Tex *texture, const Scene *scene, int2 size, float2 offset, float2 scale)
{
ImagePool *image_pool = BKE_image_pool_new();
BKE_texture_fetch_images_for_pool(texture, image_pool);
Array<float4> color_pixels(size.x * size.y);
Array<float> value_pixels(size.x * size.y);
threading::parallel_for(IndexRange(size.y), 1, [&](const IndexRange sub_y_range) {
@@ -61,7 +65,7 @@ CachedTexture::CachedTexture(
/* Note that it is expected that the offset is scaled by the scale. */
coordinates = (coordinates + offset) * scale;
TexResult texture_result;
BKE_texture_get_value(scene, texture, coordinates, &texture_result, true);
BKE_texture_get_value_ex(scene, texture, coordinates, &texture_result, image_pool, true);
color_pixels[y * size.x + x] = float4(texture_result.trgba);
value_pixels[y * size.x + x] = texture_result.talpha ? texture_result.trgba[3] :
texture_result.tin;
@@ -69,6 +73,8 @@ CachedTexture::CachedTexture(
}
});
BKE_image_pool_free(image_pool);
color_texture_ = GPU_texture_create_2d("Cached Color Texture",
size.x,
size.y,