tests/spec/arb_shader_storage_buffer_object/program-interface-query.c

   1 /*
   2  * Copyright © 2015 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /** @file program-interface-query.c
  25  *
  26  * Test that checks the proper implementation of GL_ARB_program_interface_query
  27  * implementation for shader storage buffers
  28  */
  29
  30 #include "piglit-util-gl.h"
  31
  32 PIGLIT_GL_TEST_CONFIG_BEGIN
  33         config.window_width = 100;
  34         config.window_height = 100;
  35         config.supports_gl_compat_version = 32;
  36         config.supports_gl_core_version = 32;
  37         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  38         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  39
  40 PIGLIT_GL_TEST_CONFIG_END
  41
  42 #define SSBO_SIZE 4
  43 #define NUM_QUERIES 11
  44
  45 static const char vs_pass_thru_text[] =
  46         "#version 330\n"
  47         "#extension GL_ARB_shader_storage_buffer_object : require\n"
  48         "\n"
  49         "struct B {mat2 b[3]; float c;};\n"
  50         "layout(row_major, std140, binding=2) buffer ssbo_std140 {\n"
  51         "       vec4 v;\n"
  52         "       B s[];\n"
  53         "} a_std140[2];\n"
  54         "\n"
  55         "in vec4 piglit_vertex;\n"
  56         "\n"
  57         "void main() {\n"
  58         "       gl_Position = piglit_vertex;\n"
  59         "       a_std140[0].s[0].b[0] = mat2(1.0, 2.0, 3.0, 4.0);\n"
  60         "}\n";
  61
  62 static const char vs_no_ssbo_text[] =
  63         "#version 330\n"
  64         "\n"
  65         "in vec4 piglit_vertex;\n"
  66         "\n"
  67         "void main() {\n"
  68         "       gl_Position = piglit_vertex;\n"
  69         "}\n";
  70
  71 static const char fs_source[] =
  72         "#version 330\n"
  73         "#extension GL_ARB_shader_storage_buffer_object : require\n"
  74         "\n"
  75         "out vec4 color;\n"
  76         "\n"
  77         "struct B {mat2 b[3]; float c;};\n"
  78         "\n"
  79         "layout(std430, column_major, binding=2) buffer ssbo_std430 {\n"
  80         "       vec4 v;\n"
  81         "       B s[2];\n"
  82         "} a_std430[2];\n"
  83         "\n"
  84         "void main() {\n"
  85         "       a_std430[0].s[0].b[0] = mat2(1.0, 2.0, 3.0, 4.0);\n"
  86         "       color = a_std430[0].v;\n"
  87         "}\n";
  88
  89 GLuint prog;
  90
  91 void
  92 piglit_init(int argc, char **argv)
  93 {
  94         bool pass = true;
  95         GLint index;
  96         const GLenum prop[NUM_QUERIES] = {GL_TOP_LEVEL_ARRAY_SIZE,
  97                                           GL_TOP_LEVEL_ARRAY_STRIDE,
  98                                           GL_TYPE,
  99                                           GL_ARRAY_SIZE,
 100                                           GL_BLOCK_INDEX,
 101                                           GL_OFFSET,
 102                                           GL_ARRAY_STRIDE,
 103                                           GL_MATRIX_STRIDE,
 104                                           GL_IS_ROW_MAJOR,
 105                                           GL_REFERENCED_BY_VERTEX_SHADER,
 106                                           GL_REFERENCED_BY_FRAGMENT_SHADER };
 107         int query_std140[NUM_QUERIES] = {0};
 108         int query_std430[NUM_QUERIES] = {0};
 109         int num_vertex_ssbo;
 110         const int expected_std140[NUM_QUERIES] =
 111                 { 0, 112, GL_FLOAT_MAT2, 3, 0, 16, 32, 16, 1, 1, 0 };
 112         int expected_std430[NUM_QUERIES] =
 113                 { 2, 56, GL_FLOAT_MAT2, 3, 2, 16, 16, 8, 0, 0, 1 };
 114         int i;
 115         bool has_vertex_ssbo = true;
 116
 117         piglit_require_extension("GL_ARB_shader_storage_buffer_object");
 118         piglit_require_extension("GL_ARB_program_interface_query");
 119
 120         glGetIntegerv(GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS, &num_vertex_ssbo);
 121         if (num_vertex_ssbo == 0) {
 122                 has_vertex_ssbo = false;
 123                 /* modify GL_BLOCK_INDEX return */
 124                 expected_std430[4] = 0;
 125         }
 126         prog = piglit_build_simple_program(has_vertex_ssbo ? vs_pass_thru_text : vs_no_ssbo_text, fs_source);
 127
 128         glUseProgram(prog);
 129
 130         if (has_vertex_ssbo) {
 131                 /* First ssbo_std140 */
 132                 index = glGetProgramResourceIndex(prog,
 133                                                   GL_BUFFER_VARIABLE,
 134                                                   "ssbo_std140.s[0].b[0]");
 135                 glGetProgramResourceiv(prog, GL_BUFFER_VARIABLE, index,
 136                                        NUM_QUERIES, prop, NUM_QUERIES, NULL,
 137                                        query_std140);
 138                 if (!piglit_check_gl_error(GL_NO_ERROR))
 139                         pass = false;
 140         }
 141         /* Now ssbo_std430 */
 142         index = glGetProgramResourceIndex(prog,
 143                                           GL_BUFFER_VARIABLE,
 144                                           "ssbo_std430.s[0].b[0]");
 145         glGetProgramResourceiv(prog, GL_BUFFER_VARIABLE, index,
 146                                NUM_QUERIES, prop, NUM_QUERIES, NULL,
 147                                query_std430);
 148
 149         if (!piglit_check_gl_error(GL_NO_ERROR))
 150            pass = false;
 151
 152         for (i = 0 ; i < NUM_QUERIES; i++) {
 153                 const char *prop_name = piglit_get_gl_enum_name(prop[i]);
 154                 if (has_vertex_ssbo) {
 155                         if (query_std140[i] != expected_std140[i]) {
 156                                 printf("std140 %s expected = %d. Value = %d.\n",
 157                                        prop_name, expected_std140[i],
 158                                        query_std140[i]);
 159                                 pass = false;
 160                         }
 161                 }
 162                 if (query_std430[i] != expected_std430[i]) {
 163                         printf("std430 %s expected = %d. Value = %d.\n",
 164                                prop_name, expected_std430[i],
 165                                query_std430[i]);
 166                         pass = false;
 167                 }
 168         }
 169
 170         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 171 }
 172
 173 enum piglit_result piglit_display(void)
 174 {
 175         /* UNREACHED */
 176         return PIGLIT_FAIL;
 177 }