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Occasional crashes on Linux with NVidia graphics card #111

Description

@SimonRit

Just opening an image vv produces the following standard output:

Failed to compile shader: 
Source was:
#version 150

struct buf
{
    mat4 vertexTransform;
    mat3 textureTransform;
    float opacity;
    int textureSwizzle;
};

uniform buf _17;

out vec2 v_texcoord;
in vec2 texcoord;
in vec3 position;

void main()
{
    v_texcoord = (_17.textureTransform * vec3(texcoord, 1.0)).xy;
    gl_Position = _17.vertexTransform * vec4(position, 1.0);
}


QBackingStoreDefaultCompositor: Failed to build graphics pipeline
Failed to compile shader: 
Source was:
#version 150

struct buf
{
    mat4 vertexTransform;
    mat3 textureTransform;
    float opacity;
    int textureSwizzle;
};

uniform buf _17;

out vec2 v_texcoord;
in vec2 texcoord;
in vec3 position;

void main()
{
    v_texcoord = (_17.textureTransform * vec3(texcoord, 1.0)).xy;
    gl_Position = _17.vertexTransform * vec4(position, 1.0);
}


QBackingStoreDefaultCompositor: Failed to build graphics pipeline
Failed to compile shader: 
Source was:
#version 150

struct buf
{
    mat4 vertexTransform;
    mat3 textureTransform;
    float opacity;
    int textureSwizzle;
};

uniform buf _17;

out vec2 v_texcoord;
in vec2 texcoord;
in vec3 position;

void main()
{
    v_texcoord = (_17.textureTransform * vec3(texcoord, 1.0)).xy;
    gl_Position = _17.vertexTransform * vec4(position, 1.0);
}


QBackingStoreDefaultCompositor: Failed to build graphics pipeline
Segmentation fault (core dumped)

I usually happens the first time I run vv. Recalling it immediately does not show the same problem.
This has already been reported to @LucasGandel who has a better understanding of the problem I believe?

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