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/*
* Copyright © 2015 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/** @file program-interface-query.c
*
* Test that checks the proper implementation of GL_ARB_program_interface_query
* implementation for shader storage buffers
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.window_width = 100;
config.window_height = 100;
config.supports_gl_compat_version = 32;
config.supports_gl_core_version = 32;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
#define SSBO_SIZE 4
#define NUM_QUERIES 11
static const char vs_pass_thru_text[] =
"#version 330\n"
"#extension GL_ARB_shader_storage_buffer_object : require\n"
"\n"
"struct B {mat2 b[3]; float c;};\n"
"layout(row_major, std140, binding=2) buffer ssbo_std140 {\n"
" vec4 v;\n"
" B s[];\n"
"} a_std140[2];\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
" a_std140[0].s[0].b[0] = mat2(1.0, 2.0, 3.0, 4.0);\n"
"}\n";
static const char vs_no_ssbo_text[] =
"#version 330\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
"}\n";
static const char fs_source[] =
"#version 330\n"
"#extension GL_ARB_shader_storage_buffer_object : require\n"
"\n"
"out vec4 color;\n"
"\n"
"struct B {mat2 b[3]; float c;};\n"
"\n"
"layout(std430, column_major, binding=2) buffer ssbo_std430 {\n"
" vec4 v;\n"
" B s[2];\n"
"} a_std430[2];\n"
"\n"
"void main() {\n"
" a_std430[0].s[0].b[0] = mat2(1.0, 2.0, 3.0, 4.0);\n"
" color = a_std430[0].v;\n"
"}\n";
GLuint prog;
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLint index;
const GLenum prop[NUM_QUERIES] = {GL_TOP_LEVEL_ARRAY_SIZE,
GL_TOP_LEVEL_ARRAY_STRIDE,
GL_TYPE,
GL_ARRAY_SIZE,
GL_BLOCK_INDEX,
GL_OFFSET,
GL_ARRAY_STRIDE,
GL_MATRIX_STRIDE,
GL_IS_ROW_MAJOR,
GL_REFERENCED_BY_VERTEX_SHADER,
GL_REFERENCED_BY_FRAGMENT_SHADER };
int query_std140[NUM_QUERIES] = {0};
int query_std430[NUM_QUERIES] = {0};
int num_vertex_ssbo;
const int expected_std140[NUM_QUERIES] =
{ 0, 112, GL_FLOAT_MAT2, 3, 0, 16, 32, 16, 1, 1, 0 };
int expected_std430[NUM_QUERIES] =
{ 2, 56, GL_FLOAT_MAT2, 3, 2, 16, 16, 8, 0, 0, 1 };
int i;
bool has_vertex_ssbo = true;
piglit_require_extension("GL_ARB_shader_storage_buffer_object");
piglit_require_extension("GL_ARB_program_interface_query");
glGetIntegerv(GL_MAX_VERTEX_SHADER_STORAGE_BLOCKS, &num_vertex_ssbo);
if (num_vertex_ssbo == 0) {
has_vertex_ssbo = false;
/* modify GL_BLOCK_INDEX return */
expected_std430[4] = 0;
}
prog = piglit_build_simple_program(has_vertex_ssbo ? vs_pass_thru_text : vs_no_ssbo_text, fs_source);
glUseProgram(prog);
if (has_vertex_ssbo) {
/* First ssbo_std140 */
index = glGetProgramResourceIndex(prog,
GL_BUFFER_VARIABLE,
"ssbo_std140.s[0].b[0]");
glGetProgramResourceiv(prog, GL_BUFFER_VARIABLE, index,
NUM_QUERIES, prop, NUM_QUERIES, NULL,
query_std140);
if (!piglit_check_gl_error(GL_NO_ERROR))
pass = false;
}
/* Now ssbo_std430 */
index = glGetProgramResourceIndex(prog,
GL_BUFFER_VARIABLE,
"ssbo_std430.s[0].b[0]");
glGetProgramResourceiv(prog, GL_BUFFER_VARIABLE, index,
NUM_QUERIES, prop, NUM_QUERIES, NULL,
query_std430);
if (!piglit_check_gl_error(GL_NO_ERROR))
pass = false;
for (i = 0 ; i < NUM_QUERIES; i++) {
const char *prop_name = piglit_get_gl_enum_name(prop[i]);
if (has_vertex_ssbo) {
if (query_std140[i] != expected_std140[i]) {
printf("std140 %s expected = %d. Value = %d.\n",
prop_name, expected_std140[i],
query_std140[i]);
pass = false;
}
}
if (query_std430[i] != expected_std430[i]) {
printf("std430 %s expected = %d. Value = %d.\n",
prop_name, expected_std430[i],
query_std430[i]);
pass = false;
}
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
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