Attachment 53029 Details for Bug 42435 – piglit test case for the problem

piglit test case for the problem

glsl-pointvarying.c (text/x-csrc), 3.30 KB, created by Alexander Sabourenkov on 2011-11-01 17:54:54 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Alexander Sabourenkov

Created: 2011-11-01 17:54:54 UTC

Size: 3.30 KB

patch

obsolete

>/*
> * Copyright Â© 2009 Intel Corporation
> * Copyright Â© 2010 VMware, Inc.
> *
> * 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 glsl-pointvarying.c
> *
> * Test if we can reliably pass colors via varyings between shaders.
> *
> * This test is based on the glsl-novertexdata.c test written
> * by Ian.
> *
> * \author Ian Romanick <ian.d.romanick@intel.com>
> * \author Brian Paul
> * \author Alexander Sabourenkov
> */
>
>#include "piglit-util.h"
>#include "piglit-framework.h"
>
>int piglit_window_mode = GLUT_RGB | GLUT_DOUBLE;
>int piglit_width = 100;
>int piglit_height = 100;
>
>static const GLchar *vertShaderText =
>	"attribute vec4 attrib;\n"
>	"varying float comp;\n"
>	"void main()\n"
>	"{\n"
>	"	comp = 1.0;\n"
>	"	gl_Position = vec4(0.0, 0.0, 0.0, 1.0);\n"
>	"} \n";
>	
>static const GLchar *fragShaderText =
>	"varying float comp;\n"
>	"void main()\n"
>	"{\n"
>	"	gl_FragColor = vec4(comp, 0.0, comp, 1.0);\n"
>	"} \n";
>
>enum piglit_result
>piglit_display(void)
>{
>	static const GLfloat expColor[4] = {0, 1, 0, 1};
>	GLint vs, fs;
>	GLint prog;
>	GLint stat;
>	enum piglit_result result;
>
>	vs = glCreateShader(GL_VERTEX_SHADER);
>	glShaderSource(vs, 1, &vertShaderText, NULL);
>
>	glCompileShader(vs);
>	glGetShaderiv(vs, GL_COMPILE_STATUS, &stat);
>	if (!stat) {
>                printf("glsl-pointvarying:  error compiling vertex shader!\n");
>                exit(1);
>        }
>
>	fs = glCreateShader(GL_FRAGMENT_SHADER);
>	glShaderSource(vs, 1, &fragShaderText, NULL);
>
>	glCompileShader(fs);
>	glGetShaderiv(fs, GL_COMPILE_STATUS, &stat);
>	if (!stat) {
>                printf("glsl-pointvarying:  error compiling fragment shader!\n");
>                exit(1);
>        }
>	
>	prog = glCreateProgram();
>	glAttachShader(prog, vs);
>	glAttachShader(prog, fs);
>	glLinkProgram(prog);
>	glUseProgram(prog);
>
>	glMatrixMode(GL_PROJECTION);
>	glLoadIdentity();
>	glOrtho(-1.0, 1.0, -1.0, 1.0, -1.0, 1.0);
>
>	glClear(GL_COLOR_BUFFER_BIT);
>
>        glPointSize(20.0);
>	glDrawArrays(GL_POINTS, 0, 1);
>
>	result = piglit_probe_pixel_rgba(piglit_width /2, piglit_height / 2,
>                                         expColor)
>		? PIGLIT_PASS : PIGLIT_FAIL;
>
>	glutSwapBuffers();
>
>	return result;
>}
>
>
>void
>piglit_init(int argc, char **argv)
>{
>	if (!GLEW_VERSION_2_0) {
>		printf("Requires OpenGL 2.0\n");
>		piglit_report_result(PIGLIT_SKIP);
>		exit(1);
>	}
>}

Actions: View

Attachments on bug 42435: 52954 | 53025 | 53028 | 53029 | 53030 | 53031 | 53033

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.