external/vulkancts/data/vulkan/vkrunner/example/ubo.shader_test

[vertex shader]
#version 450

layout(location = 0) out vec4 color_out;
layout(location = 0) in vec4 pos;

layout(binding = 3, std140) uniform block {
        vec4 color_in;
        mat2 transform;
        float offsets[4];
};

void
main()
{
        gl_Position = vec4(transform * pos.xy, 0.0, 1.0);
        color_out = color_in;

        for (int i = 0; i < offsets.length(); i++)
                color_out[i] += offsets[i];
}

[fragment shader]
#version 450

layout(location = 0) in vec4 color_in;
layout(location = 0) out vec4 color_out;

void
main()
{
        color_out = color_in;
}

[test]
clear

uniform ubo 3 mat2 16 0.0 1.0 1.0 0.0

# Sets the offset array. Arrays can be specified by listing multiple values
uniform ubo 3 float 48 0.1 0.2 0.3 0.4

# Note that we can’t update the ubo and then draw another square
# without first probing because the command buffer isn’t flushed
# until a probe. Otherwise it would end up just using the second
# set of values in the ubo for both rectangles.

uniform ubo 3 vec4 0 -0.1 0.8 -0.3 0.6
draw rect -1 -1 1 2
relative probe rect rgba (0.0, 0.0, 1.0, 0.5) (0.0, 1.0, 0.0, 1.0)

uniform ubo 3 vec4 0 -0.1 0.6 -0.3 0.6
draw rect 0 -1 1 2
relative probe rect rgba (0.0, 0.5, 1.0, 0.5) (0.0, 0.8, 0.0, 1.0)