Attachment 106089 Details for Bug 83741 – Test case

Test case

std140-row_major-array-struct-struct-mat2x3-mat2x4-and-int.shader_test (text/plain), 2.72 KB, created by Ian Romanick on 2014-09-10 22:11:35 UTC

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Creator: Ian Romanick

Created: 2014-09-10 22:11:35 UTC

Size: 2.72 KB

patch

obsolete

>[require]
>GLSL >= 1.30
>GL_ARB_uniform_buffer_object
>
>[vertex shader]
>#extension GL_ARB_uniform_buffer_object: require
>#extension GL_ARB_shader_bit_encoding: enable
>#extension GL_ARB_gpu_shader5: enable
>
>struct S2 {
>    mat2x3      m23;
>    mat2x4      m24;
>};
>
>struct S1 {
>    S2[1]       s2;
>    int         i1;
>};
>
>
>layout(std140, row_major)
>uniform UB1 {
>                          // base   base  align  padded  row-   array   matrix
>                          // align  off.  off.   size    major  stride  stride
>    S1         s1;        //    16     0      0     128    -         -       -
>//    S2[1]       s2            16     0      0     112    -       112       -
>//      [0]
>//      mat2x3      m23         16     0      0      48   yes        -      16
>//      mat2x4      m24         16    48     48      64   yes        -      16
>//    int      i1                4   112    112       4    -         -       -
>} ;
>
>flat out int vertex_pass;
>in vec4 piglit_vertex;
>
>#if defined(GL_ARB_shader_bit_encoding) || defined(GL_ARB_gpu_shader5) || __VERSION__ >= 430
>bool float_match(float u, float f, uint bits) { return floatBitsToUint(u) == bits; }
>#else
>bool float_match(float u, float f, uint bits) { return u == f; }
>#endif
>
>void main()
>{
>    /* std140 (or shared) layout prevents any fields or blocks from being
>     * eliminated.  Section 2.11.6 of the OpenGL ES 3.0 spec makes this
>     * explicit, but desktop GL specs only imply it.
>     */
>    bool pass = true;
>
>    if (s1.i1 != 111)
>        pass = false;
>	  
>    vertex_pass = int(pass);
>    gl_Position = piglit_vertex;
>}
>
>[fragment shader]
>precision highp float;
>
>out vec4 piglit_fragcolor;
>flat in int vertex_pass;
>
>void main()
>{
>    piglit_fragcolor = bool(vertex_pass) ? vec4(0, 1, 0, 1) : vec4(1, 0, 0, 1);
>}
>
>[test]
>link success
>
>active uniform s1.s2[0].m23 GL_UNIFORM_TYPE GL_FLOAT_MAT2x3
>active uniform s1.s2[0].m23 GL_UNIFORM_SIZE 1
>active uniform s1.s2[0].m23 GL_UNIFORM_OFFSET 0
>active uniform s1.s2[0].m23 GL_UNIFORM_ARRAY_STRIDE 0
>active uniform s1.s2[0].m23 GL_UNIFORM_MATRIX_STRIDE 16
>active uniform s1.s2[0].m23 GL_UNIFORM_IS_ROW_MAJOR 1
>
>active uniform s1.s2[0].m24 GL_UNIFORM_TYPE GL_FLOAT_MAT2x4
>active uniform s1.s2[0].m24 GL_UNIFORM_SIZE 1
>active uniform s1.s2[0].m24 GL_UNIFORM_OFFSET 48
>active uniform s1.s2[0].m24 GL_UNIFORM_ARRAY_STRIDE 0
>active uniform s1.s2[0].m24 GL_UNIFORM_MATRIX_STRIDE 16
>active uniform s1.s2[0].m24 GL_UNIFORM_IS_ROW_MAJOR 1
>
>active uniform s1.i1 GL_UNIFORM_TYPE GL_INT
>active uniform s1.i1 GL_UNIFORM_SIZE 1
>active uniform s1.i1 GL_UNIFORM_OFFSET 112
>active uniform s1.i1 GL_UNIFORM_ARRAY_STRIDE 0
>active uniform s1.i1 GL_UNIFORM_MATRIX_STRIDE 0
>active uniform s1.i1 GL_UNIFORM_IS_ROW_MAJOR 0
>
>uniform int s1.i1 111
>
>draw rect -1 -1 2 2
>probe all rgba 0.0 1.0 0.0 1.0

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