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/*
* Copyright (c) 2014 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 emitstreamvertex_stream_too_large.c
*
* Test that exceeding the implementation's maximum streams
* value (GL_MAX_VERTEX_STREAMS) when calling EmitStreamVertex
* results in a linking error.
*
* From ARB_gpu_shader5 spec:
*
* "If an implementation supports <N> vertex streams, the
* individual streams are numbered 0 through <N>-1"
*
*/
#include "piglit-util-gl.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 32;
config.supports_gl_core_version = 32;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
static const char *vs_source =
"#version 150\n"
"\n"
"void main()\n"
"{\n"
"gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n"
"}\n";
static const char *gs_template =
"#version 150\n"
"#extension GL_ARB_gpu_shader5: enable\n"
"\n"
"layout(points) in;\n"
"layout(points, max_vertices=1) out;\n"
"\n"
"void main()\n"
"{\n"
"gl_Position = vec4(1.0, 1.0, 1.0, 1.0);\n"
"EmitStreamVertex(%d);\n"
"EndStreamPrimitive(%d);\n"
"}\n";
static const char *fs_source =
"#version 150\n"
"out vec3 color;\n"
"\n"
"void main()\n"
"{\n"
"color = vec3(0.0, 0.0, 0.0);\n"
"}\n";
void
piglit_init(int argc, char **argv)
{
GLint max_streams;
GLint pass = 1;
GLint program;
GLint vs, fs, gs;
char *shader_text;
piglit_require_extension("GL_ARB_gpu_shader5");
glGetIntegerv(GL_MAX_VERTEX_STREAMS, &max_streams);
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
vs = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vs, 1, (const GLchar **) &vs_source, NULL);
glCompileShader(vs);
fs = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fs, 1, (const GLchar **) &fs_source, NULL);
glCompileShader(fs);
(void)!asprintf(&shader_text, gs_template, max_streams, max_streams);
gs = glCreateShader(GL_GEOMETRY_SHADER);
glShaderSource(gs, 1, (const GLchar **) &shader_text, NULL);
glCompileShader(gs);
program = glCreateProgram();
glAttachShader(program, vs);
glAttachShader(program, gs);
glAttachShader(program, fs);
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &pass);
glDetachShader(program, fs);
glDetachShader(program, gs);
glDetachShader(program, vs);
glDeleteProgram(program);
glDeleteShader(vs);
glDeleteShader(gs);
glDeleteShader(fs);
/* As an error is expected, pass should be 0. */
piglit_report_result(pass ? PIGLIT_FAIL : PIGLIT_PASS);
}
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