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/*
* Copyright © 2011 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.
*/
/**
* Test that glCopyTexImage() into a texture with a texture border
* gets correct non-border texels.
*/
#include "piglit-util-gl-common.h"
/* Size of the body of the texture, not counting border. */
#define TEX_SIZE 64
PIGLIT_GL_TEST_MAIN(
TEX_SIZE * 2 + 30 /*window_width*/,
TEX_SIZE + 20 /*window_height*/,
PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_ALPHA)
enum piglit_result
piglit_display(void)
{
bool pass = true;
int quad_w = TEX_SIZE / 2;
int quad_h = TEX_SIZE / 2;
float red[] = {1.0, 0.0, 0.0, 0.0};
float green[] = {0.0, 1.0, 0.0, 0.0};
float blue[] = {0.0, 0.0, 1.0, 0.0};
float white[] = {1.0, 1.0, 1.0, 0.0};
GLuint tex;
int x, y;
piglit_ortho_projection(piglit_width, piglit_height, false);
glClearColor(0.5, 0.5, 0.5, 0.5);
glClear(GL_COLOR_BUFFER_BIT);
x = 10;
y = 10;
glColor4fv(red);
piglit_draw_rect(x, y, quad_w, quad_h);
glColor4fv(green);
piglit_draw_rect(x + quad_w, y, quad_w, quad_h);
glColor4fv(blue);
piglit_draw_rect(x, y + quad_h, quad_w, quad_h);
glColor4fv(white);
piglit_draw_rect(x + quad_w, y + quad_h, quad_w, quad_h);
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
/* Copy the rectangle drawn to our texture, with a 1-pixel
* border around it.
*/
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
x - 1, y - 1,
TEX_SIZE + 2, TEX_SIZE + 2,
1);
x = 20 + TEX_SIZE;
y = 10;
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
piglit_draw_rect_tex(x, y, TEX_SIZE, TEX_SIZE,
0, 0, 1, 1);
glDisable(GL_TEXTURE_2D);
glDeleteTextures(1, &tex);
pass = piglit_probe_rect_rgba(x, y,
quad_w, quad_h, red) && pass;
pass = piglit_probe_rect_rgba(x + quad_w, y,
quad_w, quad_h, green) && pass;
pass = piglit_probe_rect_rgba(x, y + quad_h,
quad_w, quad_h, blue) && pass;
pass = piglit_probe_rect_rgba(x + quad_w, y + quad_h,
quad_w, quad_h, white) && pass;
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
}
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