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/*
* Copyright © 2013 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 semantics.c
*
* Tests that the atomic built-in functions have the expected effects
* on memory and return the expected results.
*/
#include "common.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 31;
config.window_width = 1;
config.window_height = 1;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
static bool
run_test_vertex(void)
{
const char *fs_source = "#version 140\n"
"flat in ivec4 vcolor;\n"
"out ivec4 fcolor;\n"
"void main() {\n"
" fcolor = vcolor;\n"
"}\n";
const char *vs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"layout(binding = 0, offset = 0) uniform atomic_uint x;\n"
"in vec4 piglit_vertex;\n"
"flat out ivec4 vcolor;\n"
"\n"
"void main() {\n"
" vcolor.x = int(atomicCounterDecrement(x));\n"
" vcolor.y = int(atomicCounterIncrement(x));\n"
" vcolor.z = int(atomicCounterIncrement(x));\n"
" vcolor.w = int(atomicCounter(x));\n"
" gl_Position = piglit_vertex;\n"
"}\n";
const uint32_t start_buffer[] = { 0xffffffff };
const uint32_t expected_buffer[] = { 0x0 };
const uint32_t expected_color[] = { 0xfffffffe, 0xfffffffe,
0xffffffff, 0x0 };
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_draw_point(prog, 1, start_buffer) &&
piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected_color) &&
atomic_counters_probe_buffer(0, 1, expected_buffer);
glDeleteProgram(prog);
return ret;
}
static bool
run_test_fragment(void)
{
const char *fs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"out ivec4 fcolor;\n"
"layout(binding = 0, offset = 0) uniform atomic_uint x;\n"
"\n"
"void main() {\n"
" fcolor.x = int(atomicCounterDecrement(x));\n"
" fcolor.y = int(atomicCounterIncrement(x));\n"
" fcolor.z = int(atomicCounterIncrement(x));\n"
" fcolor.w = int(atomicCounter(x));\n"
"}\n";
const char *vs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
"}\n";
const uint32_t start_buffer[] = { 0xffffffff };
const uint32_t expected_buffer[] = { 0x0 };
const uint32_t expected_color[] = { 0xfffffffe, 0xfffffffe,
0xffffffff, 0x0 };
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_draw_point(prog, 1, start_buffer) &&
piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected_color) &&
atomic_counters_probe_buffer(0, 1, expected_buffer);
glDeleteProgram(prog);
return ret;
}
static bool
run_test_geometry(void)
{
const char *fs_source = "#version 140\n"
"flat in ivec4 gcolor;\n"
"out ivec4 fcolor;\n"
"void main() {\n"
" fcolor = gcolor;\n"
"}\n";
const char *gs_source = "#version 150\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"layout(points) in;\n"
"layout(points, max_vertices=1) out;\n"
"\n"
"flat out ivec4 gcolor;\n"
"\n"
"layout(binding = 0, offset = 0) uniform atomic_uint x;\n"
"\n"
"void main() {\n"
" gl_Position = gl_in[0].gl_Position;\n"
" gcolor.x = int(atomicCounterDecrement(x));\n"
" gcolor.y = int(atomicCounterIncrement(x));\n"
" gcolor.z = int(atomicCounterIncrement(x));\n"
" gcolor.w = int(atomicCounter(x));\n"
" EmitVertex();\n"
"}\n";
const char *vs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
"}\n";
const uint32_t start_buffer[] = { 0xffffffff };
const uint32_t expected_buffer[] = { 0x0 };
const uint32_t expected_color[] = { 0xfffffffe, 0xfffffffe,
0xffffffff, 0x0 };
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_GEOMETRY_SHADER, gs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_draw_point(prog, 1, start_buffer) &&
piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected_color) &&
atomic_counters_probe_buffer(0, 1, expected_buffer);
glDeleteProgram(prog);
return ret;
}
static bool
run_test_tess_control(void)
{
const char *fs_source = "#version 140\n"
"flat in ivec4 tecolor;\n"
"out ivec4 fg;\n"
"void main() {\n"
" fg = tecolor;\n"
"}\n";
const char *tes_source = "#version 150\n"
"#extension GL_ARB_tessellation_shader : enable\n"
"\n"
"layout(triangles, point_mode) in;\n"
"\n"
"patch in ivec4 tccolor;\n"
"flat out ivec4 tecolor;\n"
"\n"
"void main() {\n"
" gl_Position = gl_in[0].gl_Position * gl_TessCoord.x +\n"
" gl_in[1].gl_Position * gl_TessCoord.y +\n"
" gl_in[2].gl_Position * gl_TessCoord.z;\n"
" \n"
" tecolor = tccolor;\n"
"}\n";
const char *tcs_source = "#version 150\n"
"#extension GL_ARB_tessellation_shader : enable\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"layout(vertices=3) out;\n"
"\n"
"patch out ivec4 tccolor;\n"
"\n"
"layout(binding = 0, offset = 0) uniform atomic_uint x;\n"
"\n"
"void main() {\n"
" if (gl_InvocationID == 0) {\n"
" gl_TessLevelInner[0] = 1;\n"
" \n"
" gl_TessLevelOuter[0] = 1;\n"
" gl_TessLevelOuter[1] = 1;\n"
" gl_TessLevelOuter[2] = 1;\n"
" \n"
" tccolor.x = int(atomicCounterDecrement(x));\n"
" tccolor.y = int(atomicCounterIncrement(x));\n"
" tccolor.z = int(atomicCounterIncrement(x));\n"
" tccolor.w = int(atomicCounter(x));\n"
" }\n"
" \n"
" gl_out[gl_InvocationID].gl_Position =\n"
" gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
const char *vs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
"}\n";
const uint32_t start_buffer[] = { 0xffffffff };
const uint32_t expected_buffer[] = { 0x0 };
const uint32_t expected_color[] = { 0xfffffffe, 0xfffffffe,
0xffffffff, 0x0 };
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_TESS_EVALUATION_SHADER,
tes_source) &&
atomic_counters_compile(prog, GL_TESS_CONTROL_SHADER,
tcs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_draw_patch(prog, 1, start_buffer) &&
piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected_color) &&
atomic_counters_probe_buffer(0, 1, expected_buffer);
glDeleteProgram(prog);
return ret;
}
static bool
run_test_tess_evaluation(void)
{
const char *fs_source = "#version 140\n"
"flat in ivec4 tecolor;\n"
"out ivec4 fg;\n"
"void main() {\n"
" fg = tecolor;\n"
"}\n";
const char *tes_source = "#version 150\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"#extension GL_ARB_tessellation_shader : enable\n"
"\n"
"layout(triangles, point_mode) in;\n"
"\n"
"layout(binding = 0, offset = 0) uniform atomic_uint x;\n"
"\n"
"flat out ivec4 tecolor;\n"
"\n"
"void main() {\n"
" gl_Position = gl_in[0].gl_Position * gl_TessCoord.x +\n"
" gl_in[1].gl_Position * gl_TessCoord.y +\n"
" gl_in[2].gl_Position * gl_TessCoord.z;\n"
" \n"
" if (gl_TessCoord.z == 1.0) {\n"
" tecolor.x = int(atomicCounterDecrement(x));\n"
" tecolor.y = int(atomicCounterIncrement(x));\n"
" tecolor.z = int(atomicCounterIncrement(x));\n"
" tecolor.w = int(atomicCounter(x));\n"
" } else {\n"
" tecolor = ivec4(0);\n"
" }\n"
"}\n";
const char *tcs_source = "#version 150\n"
"#extension GL_ARB_tessellation_shader : enable\n"
"\n"
"layout(vertices=3) out;\n"
"\n"
"void main() {\n"
" if (gl_InvocationID == 0) {\n"
" gl_TessLevelInner[0] = 1;\n"
" \n"
" gl_TessLevelOuter[0] = 1;\n"
" gl_TessLevelOuter[1] = 1;\n"
" gl_TessLevelOuter[2] = 1;\n"
" }\n"
" \n"
" gl_out[gl_InvocationID].gl_Position =\n"
" gl_in[gl_InvocationID].gl_Position;\n"
"}\n";
const char *vs_source = "#version 140\n"
"#extension GL_ARB_shader_atomic_counters : enable\n"
"\n"
"in vec4 piglit_vertex;\n"
"\n"
"void main() {\n"
" gl_Position = piglit_vertex;\n"
"}\n";
const uint32_t start_buffer[] = { 0xffffffff };
const uint32_t expected_buffer[] = { 0x0 };
const uint32_t expected_color[] = { 0xfffffffe, 0xfffffffe,
0xffffffff, 0x0 };
GLuint prog = glCreateProgram();
bool ret =
atomic_counters_compile(prog, GL_FRAGMENT_SHADER, fs_source) &&
atomic_counters_compile(prog, GL_TESS_EVALUATION_SHADER,
tes_source) &&
atomic_counters_compile(prog, GL_TESS_CONTROL_SHADER,
tcs_source) &&
atomic_counters_compile(prog, GL_VERTEX_SHADER, vs_source) &&
atomic_counters_draw_patch(prog, 1, start_buffer) &&
piglit_probe_rect_rgba_uint(0, 0, 1, 1, expected_color) &&
atomic_counters_probe_buffer(0, 1, expected_buffer);
glDeleteProgram(prog);
return ret;
}
void
piglit_init(int argc, char **argv)
{
GLuint fb, rb, buffer;
enum piglit_result status = PIGLIT_PASS;
piglit_require_extension("GL_ARB_shader_atomic_counters");
glGenFramebuffers(1, &fb);
glGenRenderbuffers(1, &rb);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, fb);
glBindFramebuffer(GL_READ_FRAMEBUFFER, fb);
glBindRenderbuffer(GL_RENDERBUFFER, rb);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA32UI, 1, 1);
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_RENDERBUFFER, rb);
glGenBuffers(1, &buffer);
glBindBufferBase(GL_ATOMIC_COUNTER_BUFFER, 0, buffer);
atomic_counters_subtest(&status, GL_FRAGMENT_SHADER,
"Fragment shader atomic built-in semantics",
run_test_fragment);
atomic_counters_subtest(&status, GL_VERTEX_SHADER,
"Vertex shader atomic built-in semantics",
run_test_vertex);
atomic_counters_subtest(&status, GL_GEOMETRY_SHADER,
"Geometry shader atomic built-in semantics",
run_test_geometry);
atomic_counters_subtest(&status, GL_TESS_CONTROL_SHADER,
"Tessellation control shader atomic built-in "
"semantics",
run_test_tess_control);
atomic_counters_subtest(&status, GL_TESS_EVALUATION_SHADER,
"Tessellation evaluation shader atomic built-in "
"semantics",
run_test_tess_evaluation);
piglit_report_result(status);
}
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
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