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Quellcode

Internal compilation failure. Possibly caused by GSA not supporting a GLSL feature used in shader.

ERROR: 0:6: error(#132) Syntax error: ';' parse error
ERROR: error(#273) 1 compilation errors.  No code generated

C-/C++-Quelltext

#version 330

#define MAX_NUM_IMAGES 2048

struct ImageEntry
{
    vec4 positionSizeLayer;     // xy: Position, z: Size, w: Image Array Layer.
    vec4 color;                 // rgba: Color.
};

layout(std140) uniform vertexParam
{
    mat4 wvpMatrix;
    vec4 basePositionAndSize;   // xy: Base Position, zw: Base Size.
    vec4 baseColor;
};

layout(std140) uniform imageArrayEntries
{
    ImageEntry entries[MAX_NUM_IMAGES];
};

out vec4 vertexColor;
out vec3 vertexTexCoord;

void main()
{
    int id = gl_InstanceID;
    
    /* Extract position, size and layer */
    ImageEntry entry = entries[id];
    
    vec4 posSizeLayer   = entry.positionSizeLayer;
    
    vec2 position       = basePositionAndSize.xy + posSizeLayer.xy;
    vec2 size           = basePositionAndSize.zw * vec2(posSizeLayer.z);
    float layer         = posSizeLayer.w;
    
    /* Compute vertex coordinate */
    vec4 coord = vec4(0.0);
    vec2 texCoord = vec2(0.0);
    
    switch (gl_VertexID)
    {
        case 0:
            coord       = vec4(position.x, position.y, 0.0, 1.0);
            texCoord    = vec2(0.0, 0.0);
            break;
        case 1:
            coord       = vec4(position.x + size.x, position.y, 0.0, 1.0);
            texCoord    = vec2(1.0, 0.0);
            break;
        case 2:
            coord       = vec4(position.x, position.y + size.y, 0.0, 1.0);
            texCoord    = vec2(0.0, 1.0);
            break;
        case 3:
            coord       = vec4(position.x + size.x, position.y + size.y, 0.0, 1.0);
            texCoord    = vec2(1.0, 1.0);
            break;
    }
    
    gl_Position = wvpMatrix * coord;
    
    /* Compute color and texture coordinate */
    vertexColor = baseColor * entry.color;
    
    vertexTexCoord = vec3(texCoord, layer);
}