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/*
* Copyright (c) 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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
* NON-INFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COYPRIGTH
* HOLDERS AND/OR THEIR SUPPLIERS 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
* Test drawing a textured triangle. This is to test a Mesa/Gallium
* LLVMpipe crash which only seems to happen when SSE4.1 is not used.
*/
#include "piglit-util-gl-common.h"
PIGLIT_GL_TEST_MAIN(
400 /*window_width*/,
400 /*window_height*/,
GLUT_RGB | GLUT_DOUBLE)
static void
make_texture(void)
{
GLubyte image[64][64][3];
int i, j, size;
for (i = 0; i < 64; i++) {
for (j = 0; j < 64; j++) {
image[i][j][0] = 255;
image[i][j][1] = 0;
image[i][j][2] = 0;
}
}
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
i = 0;
size = 64;
while (size) {
glTexImage2D(GL_TEXTURE_2D, i, GL_RGB, size, size, 0,
GL_RGB, GL_UNSIGNED_BYTE, image);
size /= 2;
i++;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_NEAREST_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
GL_LINEAR);
glEnable(GL_TEXTURE_2D);
}
enum piglit_result
piglit_display(void)
{
/*
* Simply draw a textured tri. The texture is solid red.
* The tri is clipped.
*/
static const GLfloat v[3][4] = {
{ 10.0, 10.0, 0.0, 1.0 },
{ 10.0, 1.0, 0.0, 1.0 },
{ 1.0, 1.0, 0.0, 1.0 },
};
static const GLfloat t[3][2] = {
{ 0, 0 },
{ 1, 0 },
{ 1, 1 }
};
static const GLfloat red[4] = { 1, 0, 0, 1 };
enum piglit_result result;
make_texture();
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBegin(GL_TRIANGLES);
glTexCoord2fv(t[0]); glVertex4fv(v[0]);
glTexCoord2fv(t[1]); glVertex4fv(v[1]);
glTexCoord2fv(t[2]); glVertex4fv(v[2]);
glEnd();
if (piglit_probe_pixel_rgb(piglit_width-5, piglit_height-20, red))
result = PIGLIT_PASS;
else
result = PIGLIT_FAIL;
piglit_present_results();
return result;
}
static void
reshape(int width, int height)
{
piglit_width = width;
piglit_height = height;
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 50.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0, 0.0, -25.0);
}
void
piglit_init(int argc, char **argv)
{
glutReshapeFunc(reshape);
reshape(piglit_width, piglit_height);
}
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