mirror of
https://github.com/KhronosGroup/glslang
synced 2024-09-18 19:59:54 +00:00
2067d1a93e
This is based on spv.paramMemory.frag.out which exercises the writeonly storage image case. This appears to need desktop GLSL. The generated SPIR-V fails validation because the image_write function takes a parameter which is pointer to an OpTypeImage with Unknown format. But the parameters passed in are pointer to OpTypeImage with formats Rgba32f and Rgba16f. The validator rejects this, saying the parameter types must match.
34 lines
980 B
GLSL
34 lines
980 B
GLSL
#version 420
|
|
|
|
// Need this extension to permit passing a formatless readonly image to a helper function.
|
|
#extension GL_EXT_shader_image_load_formatted : require
|
|
|
|
readonly coherent uniform layout(set = 0, binding = 0) image2D image1;
|
|
readonly uniform layout(set = 0, binding = 2) image2D image2;
|
|
writeonly coherent uniform layout(set = 0, binding = 1, rgba32f) image2D image3;
|
|
writeonly uniform layout(set = 0, binding = 3, rgba16f) image2D image4;
|
|
|
|
flat in layout(location = 0) ivec2 in_coords;
|
|
out layout(location = 0) vec4 out_color;
|
|
|
|
vec4 image_load(readonly coherent image2D image, ivec2 coords)
|
|
{
|
|
return imageLoad(image, in_coords);
|
|
}
|
|
|
|
void image_store(writeonly coherent image2D image, ivec2 coords, vec4 data)
|
|
{
|
|
imageStore(image, in_coords, data);
|
|
}
|
|
|
|
void main()
|
|
{
|
|
vec4 read1 = image_load(image1, in_coords);
|
|
vec4 read2 = image_load(image2, in_coords);
|
|
|
|
image_store(image3, in_coords, read1*0.5);
|
|
image_store(image4, in_coords, read2*2.0);
|
|
|
|
out_color = vec4(0.0);
|
|
}
|