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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.
*/
#include "piglit-util-gl.h"
/**
* @file rendermode-feedback.c
*
* Tests that glRenderMode(GL_FEEDBACK) rendering trivially works.
*/
static float vertex_array[] = {
1.0, 2.0, 0.4, 1.0,
3.0, 4.0, 0.6, 1.0,
5.0, 6.0, 0.8, 1.0,
};
static float color_array[] = {
0.01, 0.02, 0.03, 0.04,
0.05, 0.06, 0.07, 0.08,
0.09, 0.10, 0.11, 0.12,
};
static float texcoord_array[] = {
101.0, 102.0, 103.0, 104.0,
105.0, 106.0, 107.0, 108.0,
109.0, 110.0, 111.0, 112.0,
};
static const float gl_2d_values[] =
{GL_POLYGON_TOKEN, 3,
1.0, 2.0,
3.0, 4.0,
5.0, 6.0};
static const float gl_3d_values[] =
{GL_POLYGON_TOKEN, 3,
1.0, 2.0, 0.3,
3.0, 4.0, 0.2,
5.0, 6.0, 0.1};
static const float gl_3d_color_values[] =
{GL_POLYGON_TOKEN, 3,
1.0, 2.0, 0.3, 0.01, 0.02, 0.03, 0.04,
3.0, 4.0, 0.2, 0.05, 0.06, 0.07, 0.08,
5.0, 6.0, 0.1, 0.09, 0.10, 0.11, 0.12};
static const float gl_3d_color_texture_values[] =
{GL_POLYGON_TOKEN, 3,
1.0, 2.0, 0.3, 0.01, 0.02, 0.03, 0.04, 101.0, 102.0, 103.0, 104.0,
3.0, 4.0, 0.2, 0.05, 0.06, 0.07, 0.08, 105.0, 106.0, 107.0, 108.0,
5.0, 6.0, 0.1, 0.09, 0.10, 0.11, 0.12, 109.0, 110.0, 111.0, 112.0};
static const float gl_4d_color_texture_values[] =
{GL_POLYGON_TOKEN, 3,
1.0, 2.0, 0.3, 1.0, 0.01, 0.02, 0.03, 0.04, 101.0, 102.0, 103.0, 104.0,
3.0, 4.0, 0.2, 1.0, 0.05, 0.06, 0.07, 0.08, 105.0, 106.0, 107.0, 108.0,
5.0, 6.0, 0.1, 1.0, 0.09, 0.10, 0.11, 0.12, 109.0, 110.0, 111.0, 112.0};
struct type {
GLenum type;
const float *values;
int count;
} types[] = {
{ GL_2D, gl_2d_values, ARRAY_SIZE(gl_2d_values) },
{ GL_3D, gl_3d_values, ARRAY_SIZE(gl_3d_values) },
{ GL_3D_COLOR, gl_3d_color_values, ARRAY_SIZE(gl_3d_color_values) },
{ GL_3D_COLOR_TEXTURE, gl_3d_color_texture_values,
ARRAY_SIZE(gl_3d_color_texture_values) },
{ GL_4D_COLOR_TEXTURE, gl_4d_color_texture_values,
ARRAY_SIZE(gl_4d_color_texture_values) },
};
static enum piglit_result run_subtest(void * data);
static const struct piglit_gl_test_config * piglit_config;
PIGLIT_GL_TEST_CONFIG_BEGIN
piglit_config = &config;
struct piglit_subtest tests[ARRAY_SIZE(types) + 1] = { 0 };
for (unsigned i = 0; i < ARRAY_SIZE(types); ++i) {
tests[i].name = piglit_get_gl_enum_name(types[i].type);
tests[i].option = tests[i].name;
tests[i].subtest_func = run_subtest;
tests[i].data = (void *)&types[i];
}
config.subtests = tests;
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static void
report_failure(struct type *type, float *buffer, int count)
{
int i;
fprintf(stderr, "Feeback failed for %s:\n",
piglit_get_gl_enum_name(type->type));
fprintf(stderr, " Expected: Observed: (%d/%d)\n",
count, type->count);
for (i = 0; i < types->count; i++) {
fprintf(stderr, " %9f %9f\n", type->values[i], buffer[i]);
}
fprintf(stderr, "\n");
}
static enum piglit_result
run_subtest(void * data) {
struct type * type = (struct type *)data;
bool case_pass = true;
int returned_count, j;
const char *name = piglit_get_gl_enum_name(type->type);
float buffer[2 +
ARRAY_SIZE(vertex_array) +
ARRAY_SIZE(color_array) +
ARRAY_SIZE(texcoord_array)];
printf("Testing %s\n", name);
for (j = 0; j < ARRAY_SIZE(buffer); j++)
buffer[j] = -1.0;
glFeedbackBuffer(ARRAY_SIZE(buffer), type->type, buffer);
glRenderMode(GL_FEEDBACK);
glDrawArrays(GL_TRIANGLES, 0, 4);
returned_count = glRenderMode(GL_RENDER);
if (returned_count != type->count) {
case_pass = false;
} else {
for (j = 0; j < type->count; j++) {
if (fabs(buffer[j] - type->values[j]) > .01)
case_pass = false;
}
}
if (!case_pass) {
report_failure(type, buffer, returned_count);
}
return case_pass ? PIGLIT_PASS : PIGLIT_FAIL;
}
enum piglit_result
piglit_display(void)
{
enum piglit_result result = PIGLIT_PASS;
piglit_ortho_projection(piglit_width, piglit_height, false);
glClearColor(0.0, 1.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
glVertexPointer(4, GL_FLOAT, 0, vertex_array);
glColorPointer(4, GL_FLOAT, 0, color_array);
glTexCoordPointer(4, GL_FLOAT, 0, texcoord_array);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
result = piglit_run_selected_subtests(
piglit_config->subtests,
piglit_config->selected_subtests,
piglit_config->num_selected_subtests,
result);
piglit_present_results();
return result;
}
void
piglit_init(int argc, char **argv)
{
piglit_require_extension("GL_EXT_vertex_array");
}
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