mirror of
https://github.com/baldurk/renderdoc.git
synced 2026-07-10 17:47:16 +00:00
baldurk
123 lines
4.4 KiB
Plaintext
123 lines
4.4 KiB
Plaintext
/******************************************************************************
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020-2023 Baldur Karlsson
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
******************************************************************************/
|
|
|
|
#include "glsl_globals.h"
|
|
#extension GL_EXT_samplerless_texture_functions : require
|
|
|
|
layout(local_size_x = MS_DISPATCH_LOCAL_SIZE, local_size_y = 1, local_size_z = 1) in;
|
|
|
|
layout(binding = 0) uniform utexture2DMSArray srcMS;
|
|
// binding = 1 used as stencil read in the depth-stencil copy fragment shaders
|
|
|
|
layout(binding = 2, std430) writeonly buffer dstBuf
|
|
{
|
|
uint result[];
|
|
};
|
|
|
|
layout(push_constant) uniform multisamplePush
|
|
{
|
|
int textureWidth;
|
|
int baseSlice;
|
|
int baseSample;
|
|
int byteSize;
|
|
int maxInvocationID;
|
|
int dispatchOffset;
|
|
}
|
|
mscopy;
|
|
|
|
#define textureWidth (mscopy.textureWidth)
|
|
#define baseSlice (mscopy.baseSlice)
|
|
#define baseSample (mscopy.baseSample)
|
|
#define byteSize (mscopy.byteSize)
|
|
#define maxInvocationID (mscopy.maxInvocationID)
|
|
#define dispatchOffset (mscopy.dispatchOffset)
|
|
|
|
void main()
|
|
{
|
|
int slice = baseSlice;
|
|
int sampleIdx = baseSample;
|
|
uint idx = gl_GlobalInvocationID.x;
|
|
if(int(idx) >= maxInvocationID)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// for byteSize < 4, we sample multiple pixels to fill a single output buffer element
|
|
if(byteSize == 1)
|
|
{
|
|
int pxIdx = int(idx * 4);
|
|
int x0 = (pxIdx + 0) % textureWidth;
|
|
int y0 = (pxIdx + 0) / textureWidth;
|
|
int x1 = (pxIdx + 1) % textureWidth;
|
|
int y1 = (pxIdx + 1) / textureWidth;
|
|
int x2 = (pxIdx + 2) % textureWidth;
|
|
int y2 = (pxIdx + 2) / textureWidth;
|
|
int x3 = (pxIdx + 3) % textureWidth;
|
|
int y3 = (pxIdx + 3) / textureWidth;
|
|
|
|
uvec4 data = uvec4(texelFetch(srcMS, ivec3(x0, y0, slice), sampleIdx).x,
|
|
texelFetch(srcMS, ivec3(x1, y1, slice), sampleIdx).x,
|
|
texelFetch(srcMS, ivec3(x2, y2, slice), sampleIdx).x,
|
|
texelFetch(srcMS, ivec3(x3, y3, slice), sampleIdx).x);
|
|
result[dispatchOffset + idx] = (data.x << 0 | data.y << 8 | data.z << 16 | data.w << 24);
|
|
}
|
|
else if(byteSize == 2)
|
|
{
|
|
int pxIdx = int(idx * 2);
|
|
int x0 = (pxIdx + 0) % textureWidth;
|
|
int y0 = (pxIdx + 0) / textureWidth;
|
|
int x1 = (pxIdx + 1) % textureWidth;
|
|
int y1 = (pxIdx + 1) / textureWidth;
|
|
|
|
uvec2 data = uvec2(texelFetch(srcMS, ivec3(x0, y0, slice), sampleIdx).x,
|
|
texelFetch(srcMS, ivec3(x1, y1, slice), sampleIdx).x);
|
|
result[dispatchOffset + idx] = (data.x << 0 | data.y << 16);
|
|
}
|
|
else if(byteSize == 4)
|
|
{
|
|
int x0 = int(idx) % textureWidth;
|
|
int y0 = int(idx) / textureWidth;
|
|
uint data = texelFetch(srcMS, ivec3(x0, y0, slice), sampleIdx).x;
|
|
result[dispatchOffset + idx] = data;
|
|
}
|
|
else if(byteSize == 8)
|
|
{
|
|
int x0 = int(idx) % textureWidth;
|
|
int y0 = int(idx) / textureWidth;
|
|
uvec2 data = texelFetch(srcMS, ivec3(x0, y0, slice), sampleIdx).xy;
|
|
result[dispatchOffset + (idx * 2)] = data.x;
|
|
result[dispatchOffset + (idx * 2 + 1)] = data.y;
|
|
}
|
|
else if(byteSize == 16)
|
|
{
|
|
int x0 = int(idx) % textureWidth;
|
|
int y0 = int(idx) / textureWidth;
|
|
uvec4 data = texelFetch(srcMS, ivec3(x0, y0, slice), sampleIdx);
|
|
result[dispatchOffset + (idx * 4)] = data.x;
|
|
result[dispatchOffset + (idx * 4 + 1)] = data.y;
|
|
result[dispatchOffset + (idx * 4 + 2)] = data.z;
|
|
result[dispatchOffset + (idx * 4 + 3)] = data.w;
|
|
}
|
|
}
|