#version 460
#extension GL_EXT_descriptor_heap : require
#extension GL_EXT_samplerless_texture_functions : require
#extension GL_EXT_structured_descriptor_heap : require
#extension GL_EXT_scalar_block_layout : require

layout(local_size_x = 1) in;

layout(constant_id = 0) const uint materialsOffset = 1024;

layout(push_constant) uniform MyPushData {
    vec4 cameraPos;
    uint buffersOffset;
    uint materialIndex;
} pushData;

layout(buffer_type, scalar) buffer DataBuffer {
    uint data0;
    uint data1;
};

layout(heap_offset = 2048) resourceheap BufferHeap0 {
    uint count;
    DataBuffer dataBuffer;
} bufferHeap0;

layout(heap_offset = materialsOffset) resourceheap BufferHeap1 {
    uint count;
    DataBuffer dataBuffer;
    layout(rgba32f) image2D images[2];
    texture2D textures[2];
} bufferHeap1;

layout(heap_offset = pushData.buffersOffset) samplerheap SamplerHeap {
    sampler linearSamplers[2];
} samplerHeap;

void main()
{
    bufferHeap0.dataBuffer.data0 = bufferHeap1.dataBuffer.data1;
    vec4 texel = imageLoad(bufferHeap1.images[1], ivec2(0, 0));
    vec4 sampled = textureLod(sampler2D(bufferHeap1.textures[1], samplerHeap.linearSamplers[1]), vec2(0.5), 0.0);
    imageStore(bufferHeap1.images[1], ivec2(0, 0), texel + sampled);
}