Commit: fb7132386ceca6ad258beb6787aca4b7a010a897
Author: Omar Emara
Date: Wed Mar 30 16:04:32 2022 +0200
Branches: temp-viewport-compositor-compiler
https://developer.blender.org/rBfb7132386ceca6ad258beb6787aca4b7a010a897
Viewport Compositor: Ensure bounded loads in shaders
Bound texture loads by their size to support single results and
non-robust GL implementations.
===================================================================
M
source/blender/gpu/shaders/compositor/material/gpu_shader_compositor_load_input.glsl
===================================================================
diff --git
a/source/blender/gpu/shaders/compositor/material/gpu_shader_compositor_load_input.glsl
b/source/blender/gpu/shaders/compositor/material/gpu_shader_compositor_load_input.glsl
index 68568236145..109279ed47d 100644
---
a/source/blender/gpu/shaders/compositor/material/gpu_shader_compositor_load_input.glsl
+++
b/source/blender/gpu/shaders/compositor/material/gpu_shader_compositor_load_input.glsl
@@ -1,17 +1,20 @@
void load_input_float(sampler2D input_sampler, out float value)
{
ivec2 xy = ivec2(gl_GlobalInvocationID.xy);
- value = texelFetch(input_sampler, xy, 0).x;
+ ivec2 texture_bounds = textureSize(input_sampler, 0) - ivec2(1);
+ value = texelFetch(input_sampler, min(xy, texture_bounds), 0).x;
}
void load_input_vector(sampler2D input_sampler, out vec3 vector)
{
ivec2 xy = ivec2(gl_GlobalInvocationID.xy);
- vector = texelFetch(input_sampler, xy, 0).xyz;
+ ivec2 texture_bounds = textureSize(input_sampler, 0) - ivec2(1);
+ vector = texelFetch(input_sampler, min(xy, texture_bounds), 0).xyz;
}
void load_input_color(sampler2D input_sampler, out vec4 color)
{
ivec2 xy = ivec2(gl_GlobalInvocationID.xy);
- color = texelFetch(input_sampler, xy, 0);
+ ivec2 texture_bounds = textureSize(input_sampler, 0) - ivec2(1);
+ color = texelFetch(input_sampler, min(xy, texture_bounds), 0);
}
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