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/*
* Copyright © 2009 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.
*/
/**
* \file fp-set-01.c
* Validate the two set-on instructions in GL_ARB_fragment_program
*
* \author Ian Romanick <ian.d.romanick@intel.com>
*/
#include "piglit-util-gl.h"
/* One column for each possible combination of set-on results
*/
#define TEST_COLS 16
/* One for the reference square and each of the 2 set-on instructions
*/
#define TEST_ROWS 3
#define BOX_SIZE 16
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_width = (((BOX_SIZE+1)*TEST_COLS)+1);
config.window_height = (((BOX_SIZE+1)*TEST_ROWS)+1);
config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
PIGLIT_GL_TEST_CONFIG_END
/**
* Source for the fragment program to render the reference box.
*/
static const char reference_shader_source[] =
"!!ARBfp1.0\n"
"MOV result.color, program.env[0];\n"
"END"
;
static const char slt_shader_source[] =
"!!ARBfp1.0\n"
"SLT result.color, program.env[1], fragment.color;\n"
"END"
;
static const char sge_shader_source[] =
"!!ARBfp1.0\n"
"SGE result.color, fragment.color, program.env[1];\n"
"END"
;
/**
* \name Handles to fragment programs.
*/
/*@{*/
static GLint reference_prog;
static GLint progs[2];
/*@}*/
enum piglit_result
piglit_display(void)
{
const GLfloat comparitor[4] = { 0.5, 0.5, 0.5, 0.5 };
unsigned i;
unsigned j;
enum piglit_result result = PIGLIT_PASS;
glClear(GL_COLOR_BUFFER_BIT);
glEnable(GL_FRAGMENT_PROGRAM_ARB);
for (i = 0; i < TEST_COLS; i++) {
const int x = (i * (BOX_SIZE + 1)) + 1;
GLfloat color[4];
color[0] = (i & 0x01) ? 1.0 : 0.0;
color[1] = (i & 0x02) ? 1.0 : 0.0;
color[2] = (i & 0x04) ? 1.0 : 0.0;
color[3] = (i & 0x08) ? 1.0 : 0.0;
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, reference_prog);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 0,
color);
glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, 1,
comparitor);
piglit_draw_rect(x, 1, BOX_SIZE, BOX_SIZE);
glColor4fv(color);
for (j = 0; j < ARRAY_SIZE(progs); j++) {
const int y = ((j + 1) * (BOX_SIZE + 1)) + 1;
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, progs[j]);
piglit_draw_rect(x, y, BOX_SIZE, BOX_SIZE);
if (!piglit_probe_pixel_rgb(x + (BOX_SIZE / 2),
y + (BOX_SIZE / 2),
color)) {
if (!piglit_automatic)
printf("shader %u failed on index %u\n",
j, i);
result = PIGLIT_FAIL;
}
}
}
piglit_present_results();
return result;
}
void
piglit_init(int argc, char **argv)
{
(void) argc;
(void) argv;
piglit_require_fragment_program();
piglit_ortho_projection(piglit_width, piglit_height, GL_FALSE);
reference_prog = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
reference_shader_source);
progs[0] = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
slt_shader_source);
progs[1] = piglit_compile_program(GL_FRAGMENT_PROGRAM_ARB,
sge_shader_source);
glClearColor(1.0, 1.0, 1.0, 1.0);
}
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