enum piglit_result
piglit_display(void)
{
GLuint tex;
GLboolean pass = GL_TRUE;
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
tex = create_texture(GL_COMPRESSED_RGB_S3TC_DXT1_EXT);
display_mipmaps(10, 10 + (10 + SIZE) * 0);
glDeleteTextures(1, &tex);
tex = create_texture(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT);
display_mipmaps(10, 10 + (10 + SIZE) * 1);
glDeleteTextures(1, &tex);
tex = create_texture(GL_COMPRESSED_RGBA_S3TC_DXT3_EXT);
display_mipmaps(10, 10 + (10 + SIZE) * 2);
glDeleteTextures(1, &tex);
tex = create_texture(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT);
display_mipmaps(10, 10 + (10 + SIZE) * 3);
glDeleteTextures(1, &tex);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 0);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 1);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 2);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 3);
glutSwapBuffers();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
enum piglit_result
piglit_display(void)
{
GLuint tex;
GLboolean pass = GL_TRUE;
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
tex = piglit_rgbw_texture(GL_COMPRESSED_RGB_FXT1_3DFX, SIZE, SIZE,
GL_TRUE, GL_FALSE, GL_UNSIGNED_NORMALIZED);
display_mipmaps(10, 10 + (10 + SIZE) * 0);
glDeleteTextures(1, &tex);
tex = piglit_rgbw_texture(GL_COMPRESSED_RGBA_FXT1_3DFX, SIZE, SIZE,
GL_TRUE, GL_FALSE, GL_UNSIGNED_NORMALIZED);
display_mipmaps(10, 10 + (10 + SIZE) * 1);
glDeleteTextures(1, &tex);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 0);
pass = pass && check_resulting_mipmaps(10, 10 + (10 + SIZE) * 1);
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
enum piglit_result
piglit_display(void)
{
const GLfloat red[4] = {1.0, 0.0, 0.0, 0.0};
const GLfloat blue[4] = {0.0, 0.0, 1.0, 0.0};
GLuint texture;
int i;
GLboolean pass = GL_TRUE;
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT);
/* Set up a texture object with mipmap generation */
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
/* Set the first level of the new texture to red and display. */
fill_level(0, red);
display_mipmaps(0, 0);
glDeleteTextures(1, &texture);
/* Set up texture object without mipmap generation */
glGenTextures(1, &texture);
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
GL_LINEAR_MIPMAP_NEAREST);
/* Paint normal blue mipmap set */
for (i = 0; SIZE / (1 << i) > 0; i++)
fill_level(i, blue);
display_mipmaps(0, SIZE);
/* Enable GENERATE_MIPMAP and set the first (and thus all) levels to
* red.
*/
glTexParameteri(GL_TEXTURE_2D, GL_GENERATE_MIPMAP, GL_TRUE);
fill_level(0, red);
display_mipmaps(0, SIZE * 2);
glDeleteTextures(1, &texture);
pass = pass && check_resulting_mipmaps(0, 0, red);
pass = pass && check_resulting_mipmaps(0, SIZE, blue);
pass = pass && check_resulting_mipmaps(0, SIZE * 2, red);
piglit_present_results();
glFlush();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
enum piglit_result
piglit_display(void)
{
GLuint tex, tex_src;
bool pass;
int level;
unsigned bw, bh, bs;
piglit_get_compressed_block_size(format->token, &bw, &bh, &bs);
glClearColor(0.5, 0.5, 0.5, 0.5);
glClear(GL_COLOR_BUFFER_BIT);
tex_src = piglit_rgbw_texture(format->token, SIZE, SIZE,
true, false,
GL_UNSIGNED_NORMALIZED);
glCreateTextures(GL_TEXTURE_2D, 1, &tex);
for (level = 0; (SIZE >> level) > 0; level++) {
int w, h;
int expected_size, size;
void *compressed;
w = SIZE >> level;
h = SIZE >> level;
expected_size = piglit_compressed_image_size(format->token, w, h);
glBindTexture(GL_TEXTURE_2D, tex_src);
glGetTexLevelParameteriv(GL_TEXTURE_2D, level,
GL_TEXTURE_COMPRESSED_IMAGE_SIZE,
&size);
if (size != expected_size) {
fprintf(stderr, "Format %s level %d (%dx%d) size %d "
"doesn't match expected size %d\n",
piglit_get_gl_enum_name(format->token),
level, w, h, size, expected_size);
piglit_report_result(PIGLIT_FAIL);
}
compressed = malloc(size);
glGetCompressedTextureImage(tex_src, level, size, compressed);
glBindTexture(GL_TEXTURE_2D, tex);
glCompressedTexImage2D(GL_TEXTURE_2D, level, format->token,
w, h, 0, size, compressed);
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
free(compressed);
}
glDeleteTextures(1, &tex_src);
glBindTextureUnit(tex, 0);
display_mipmaps(10, 10);
pass = check_resulting_mipmaps(10, 10);
piglit_present_results();
return pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
