mirror of
https://github.com/godotengine/godot.git
synced 2024-12-21 10:25:24 +08:00
25 lines
845 B
GLSL
25 lines
845 B
GLSL
// RGB and Alpha components of ETC2 RGBA are computed separately.
|
|
// This compute shader merely stitches them together to form the final result
|
|
// It's also used by RG11 driver to stitch two R11 into one RG11
|
|
|
|
#[compute]
|
|
#version 450
|
|
|
|
#include "CrossPlatformSettings_piece_all.glsl"
|
|
#include "UavCrossPlatform_piece_all.glsl"
|
|
|
|
layout(local_size_x = 8, //
|
|
local_size_y = 8, //
|
|
local_size_z = 1) in;
|
|
|
|
layout(binding = 0) uniform usampler2D srcRGB;
|
|
layout(binding = 1) uniform usampler2D srcAlpha;
|
|
layout(binding = 2, rgba32ui) uniform restrict writeonly uimage2D dstTexture;
|
|
|
|
void main() {
|
|
uint2 rgbBlock = OGRE_Load2D(srcRGB, int2(gl_GlobalInvocationID.xy), 0).xy;
|
|
uint2 alphaBlock = OGRE_Load2D(srcAlpha, int2(gl_GlobalInvocationID.xy), 0).xy;
|
|
|
|
imageStore(dstTexture, int2(gl_GlobalInvocationID.xy), uint4(rgbBlock.xy, alphaBlock.xy));
|
|
}
|