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/*
* Copyright (C) 2019 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
* This test checks that GL_ARB_indirect_parameters works correctly
* with GL_NV_conditional_render.
*
* Both extensions conditionally execute commands and on hardware
* level they could use the same flag/mechanism to do this so
* driver may fail to account their simultaneous usage.
* This bug was found on i965.
*
* Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108759
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 32;
config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static unsigned const point_count = 10;
static unsigned const pass_count = 4;
static GLuint prog_vs_atomic, prog_indr, draw_vao, q, atomic_bo;
static const char vs_indr[] =
"#version 140\n"
"in vec4 piglit_vertex;\n"
"void main()\n"
"{\n"
" gl_Position = piglit_vertex;\n"
"}\n";
static const char fs_indr[] =
"#version 140\n"
"void main()\n"
"{\n"
" gl_FragColor = vec4(1);\n"
"}\n";
static const char vs_atom[] =
"#version 140\n"
"#extension GL_ARB_shader_atomic_counters: require\n"
"\n"
"layout(binding = 0, offset = 0) uniform atomic_uint counter;\n"
"\n"
"void main() {\n"
" atomicCounterIncrement(counter);\n"
" gl_Position = vec4(0);\n"
"}\n";
void
piglit_init(int argc, char **argv)
{
GLuint vbo, dbo, xfb_buf;
const int in_param[] = { 4 };
float point[] = { 0.5, 0.5 };
const unsigned cmds[] = { 1, 1, 0, 0 };
int vertex_counters;
piglit_require_extension("GL_ARB_indirect_parameters");
piglit_require_extension("GL_NV_conditional_render");
piglit_require_extension("GL_ARB_shader_atomic_counters");
glGetIntegerv(GL_MAX_VERTEX_ATOMIC_COUNTERS,
&vertex_counters);
if(vertex_counters < 1) {
fprintf(stderr, "Insufficient number of supported atomic "
"counter buffers.\n");
piglit_report_result(PIGLIT_SKIP);
}
prog_indr = piglit_build_simple_program(vs_indr, fs_indr);
prog_vs_atomic = piglit_build_simple_program(vs_atom, NULL);
glGenVertexArrays(1, &draw_vao);
glBindVertexArray(draw_vao);
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
glBufferData(GL_ARRAY_BUFFER, sizeof(point), point, GL_STATIC_DRAW);
char *indirect_draw_count_data = malloc(point_count * sizeof(cmds));
char *dst = indirect_draw_count_data;
for (unsigned i = 0; i < point_count; ++i) {
memcpy(dst, cmds, sizeof(cmds));
dst += sizeof(cmds);
}
glGenBuffers(1, &atomic_bo);
glBindBufferRange(GL_ATOMIC_COUNTER_BUFFER, 0, atomic_bo, 0, 4);
glGenBuffers(1, &dbo);
glBindBuffer(GL_DRAW_INDIRECT_BUFFER, dbo);
glBufferData(GL_DRAW_INDIRECT_BUFFER, sizeof(cmds) * point_count,
indirect_draw_count_data, GL_STATIC_DRAW);
free(indirect_draw_count_data);
glGenBuffers(1, &xfb_buf);
glBindBuffer(GL_PARAMETER_BUFFER_ARB, xfb_buf);
glBufferData(GL_PARAMETER_BUFFER_ARB, sizeof(in_param), in_param,
GL_STATIC_DRAW);
glGenQueries(1, &q);
}
enum piglit_result
run_subtest(bool inverted, bool query_result, unsigned expected_points_count)
{
unsigned result;
enum piglit_result subtest_result;
char *inverted_s = inverted ? "Yes" : "No";
char *query_result_s = query_result ? "Pass" : "Fail";
const unsigned zero = 0;
glBufferData(GL_ATOMIC_COUNTER_BUFFER, sizeof(zero), &zero,
GL_STATIC_DRAW);
glUseProgram(prog_indr);
glBeginQuery(GL_ANY_SAMPLES_PASSED, q);
if (query_result)
piglit_draw_rect(-1, -1, 0.5, 0.5);
glEndQuery(GL_ANY_SAMPLES_PASSED);
glUseProgram(prog_vs_atomic);
glEnable(GL_RASTERIZER_DISCARD);
if (inverted)
glBeginConditionalRenderNV(q, GL_QUERY_WAIT_INVERTED);
else
glBeginConditionalRenderNV(q, GL_QUERY_WAIT_NV);
glMultiDrawArraysIndirectCountARB(GL_POINTS, 0, 0, 10, 0);
glEndConditionalRenderNV();
glDisable(GL_RASTERIZER_DISCARD);
glGetBufferSubData(GL_ATOMIC_COUNTER_BUFFER, 0, sizeof(result), &result);
glBufferData(GL_ATOMIC_COUNTER_BUFFER, sizeof(zero), &zero,
GL_STATIC_DRAW);
subtest_result = result == expected_points_count ?
PIGLIT_PASS : PIGLIT_FAIL;
piglit_report_subtest_result(subtest_result,
"Query result: %s. Inverted mode: %s. Points drawn: %d",
query_result_s, inverted_s, result);
return subtest_result;
}
enum piglit_result
piglit_display(void)
{
enum piglit_result piglit_test_state = PIGLIT_PASS;
enum piglit_result piglit_subtest_state = PIGLIT_PASS;
piglit_subtest_state = run_subtest(false, true, pass_count);
piglit_merge_result(&piglit_test_state, piglit_subtest_state);
piglit_subtest_state = run_subtest(true, false, pass_count);
piglit_merge_result(&piglit_test_state, piglit_subtest_state);
piglit_subtest_state = run_subtest(true, true, 0);
piglit_merge_result(&piglit_test_state, piglit_subtest_state);
piglit_subtest_state = run_subtest(false, false, 0);
piglit_merge_result(&piglit_test_state, piglit_subtest_state);
return piglit_test_state;
}
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