Commit 8e154631 authored by Ian Romanick's avatar Ian Romanick
Browse files

arb_es2_compatibility: New test for glGetShaderPrecisionFormat

parent fa0940db
......@@ -26,3 +26,4 @@ add_executable (arb_es2_compatibility-drawbuffers arb_es2_compatibility-drawbuff
add_executable (arb_es2_compatibility-maxvectors arb_es2_compatibility-maxvectors.c)
add_executable (arb_es2_compatibility-releaseshadercompiler arb_es2_compatibility-releaseshadercompiler.c)
add_executable (arb_es2_compatibility-shadercompiler arb_es2_compatibility-shadercompiler.c)
add_executable (arb_es2_compatibility-getshaderprecisionformat arb_es2_compatibility-getshaderprecisionformat.c)
/*
* Copyright © 2010 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 arb_es2_compatibility-getshaderprecisionformat.c
* Validate data returned by glGetShaderPrecisionFormat
*
* Tests all of the shader targets and all of the precision modes.
*
* \warning
* This test will need to be modified for OpenGL ES 2.0. The mode
* \c GL_HIGH_FLOAT is only available with \c GL_FRAGMENT_SHADER
* if \c GL_OES_fragment_precision_high is supported.
*/
#include "piglit-util.h"
int piglit_width = 10, piglit_height = 10;
int piglit_window_mode = GLUT_RGB;
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLboolean pass = GL_TRUE;
GLint status;
unsigned i;
unsigned j;
static const GLenum shaderTypes[] = {
GL_VERTEX_SHADER,
GL_FRAGMENT_SHADER
};
static const struct {
GLenum type;
GLint range[2];
GLint precision;
} precision[] = {
{ GL_LOW_FLOAT, { 1, 1 }, 8 },
{ GL_MEDIUM_FLOAT, { 14, 14 }, 10 },
{ GL_HIGH_FLOAT, { 62, 62 }, 16 },
{ GL_LOW_INT, { 8, 8 }, 0 },
{ GL_MEDIUM_INT, { 10, 10 }, 0 },
{ GL_HIGH_INT, { 16, 16 }, 0 }
};
if (!GLEW_VERSION_2_0) {
printf("Requires OpenGL 2.0\n");
piglit_report_result(PIGLIT_SKIP);
}
if (!GLEW_ARB_ES2_compatibility) {
printf("Requires ARB_ES2_compatibility\n");
piglit_report_result(PIGLIT_SKIP);
}
for (i = 0; i < ARRAY_SIZE(shaderTypes); i++) {
for (j = 0; j < ARRAY_SIZE(precision); j++) {
GLint r[2];
GLint p;
r[0] = 0;
r[1] = 0;
p = 0;
glGetShaderPrecisionFormat(GL_VERTEX_SHADER,
precision[j].type,
r, & p);
status = glGetError();
if (status != GL_NO_ERROR) {
printf("glGetShaderPrecisionFormat(0x%04x, "
"0x%04x) "
"got GL error of 0x%04x\n",
shaderTypes[i],
precision[j].type,
status);
pass = GL_FALSE;
}
if (r[0] < precision[j].range[0]
|| r[1] < precision[j].range[1]
|| p < precision[j].precision) {
printf("glGetShaderPrecisionFormat(0x%04x, "
"0x%04x) "
"returned invalid values:\n"
" range = { %d, %d }\n"
" precision = %d\n"
"expected at least:\n"
" range = { %d, %d }\n"
" precision = %d\n",
shaderTypes[i],
precision[j].type,
r[0], r[1],
p,
precision[j].range[0],
precision[j].range[1],
precision[j].precision);
pass = GL_FALSE;
}
}
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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