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/*
* Copyright © 2015 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 minmax.c
* Verify that minimum value requirements for implementation limits
* are satisfied. Equivalent to query1 minmax, but testing against
* GetInternalformati64v too.
*/
#include <limits.h>
#include "common.h"
#include <inttypes.h> /* for PRIu64 macro */
#define ERROR_HEADER(data) test_data_get_testing64(data) ? \
fprintf(stderr, "64 bit query: ") : \
fprintf(stderr, "32 bit query: ");
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_RGB;
config.khr_no_error_support = PIGLIT_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
/* These are all the formats that are required to be color-renderable
* by the OpenGL 3.0 spec.
*
* But note that GL_ALPHA8 was removed on 3.1 and beyond on core, or
* if ARB_compatibility is missing, so we need to take that into
* account.
*/
static const GLenum valid_formats[] = {
GL_RGBA32F,
GL_RGBA16,
GL_RGBA16F,
GL_RGBA8,
GL_SRGB8_ALPHA8,
GL_R11F_G11F_B10F,
GL_RG32F,
GL_RG16,
GL_RG16F,
GL_RG8,
GL_R32F,
GL_R16,
GL_R16F,
GL_R8,
GL_ALPHA8,
};
static const GLenum valid_integer_formats[] = {
GL_RGBA32I,
GL_RGBA32UI,
GL_RGBA16I,
GL_RGBA16UI,
GL_RGBA8I,
GL_RGBA8UI,
GL_RG32I,
GL_RG32UI,
GL_RG16I,
GL_RG16UI,
GL_RG8I,
GL_RG8UI,
GL_R32I,
GL_R32UI,
GL_R16I,
GL_R16UI,
GL_R8I,
GL_R8UI,
};
static const GLenum valid_depth_formats[] = {
GL_DEPTH_COMPONENT16,
GL_DEPTH_COMPONENT24,
GL_DEPTH_COMPONENT32F,
};
static const GLenum valid_targets_with_tms[] = {
GL_RENDERBUFFER,
GL_TEXTURE_2D_MULTISAMPLE,
GL_TEXTURE_2D_MULTISAMPLE_ARRAY,
};
enum piglit_result
piglit_display(void)
{
return PIGLIT_FAIL;
}
static bool
real_try(GLenum target, GLenum format, GLint max_samples,
const char *max_samples_name,
test_data *data_counts,
test_data *data_samples)
{
bool pass = true;
int buffer_size_in_elements = 0;
unsigned i;
GLint previous;
test_data_set_params_size(data_counts, 1);
test_data_execute(data_counts, target, format,
GL_NUM_SAMPLE_COUNTS);
buffer_size_in_elements = test_data_value_at_index(data_counts, 0);
pass = piglit_check_gl_error(0)
&& pass;
/* The GL_ARB_internalformat_query spec says:
*
* "Add new table 6.X Internalformat-specific
* Implementation Dependent Values after 6.52"
*
* Minimum
* Get Value Type Get Command Value
* --------- ---- ----------- -------
* SAMPLES 0*xZ+ GetInternalformativ fn1
* NUM_SAMPLE_COUNTS Z+ GetInternalformativ 1
*
* fn1: see section 6.X."
*/
if (buffer_size_in_elements < 1) {
ERROR_HEADER(data_counts);
fprintf(stderr,
"GL_NUM_SAMPLE_COUNTS is %d for %s/%s\n",
buffer_size_in_elements,
piglit_get_gl_enum_name(target),
piglit_get_gl_enum_name(format));
return false;
}
test_data_set_params_size(data_samples, buffer_size_in_elements);
/* Try GL_SAMPLES
*/
test_data_execute(data_samples, target,
format, GL_SAMPLES);
pass = piglit_check_gl_error(0)
&& pass;
/* The GL_ARB_internalformat_query spec says:
*
* "- SAMPLES: The sample counts supported for this
* <format> and <target> are written into <params>, in
* descending order. Only positive values are
* returned."
*
* We take "positive" to mean greater than zero. Zero isn't a
* valid sample count for multisampling. It's the special
* value used to request non-multisampling.
*/
previous = INT_MAX;
for (i = 0; i < test_data_get_params_size(data_samples); i++) {
if (test_data_value_at_index(data_samples, i) <= 0) {
ERROR_HEADER(data_samples);
fprintf(stderr,
"Invalid sample count [%u] = %" PRIi64 " returned "
"for %s/%s (num sample counts = %i)\n",
i, test_data_value_at_index(data_samples, i),
piglit_get_gl_enum_name(target),
piglit_get_gl_enum_name(format),
buffer_size_in_elements);
pass = false;
}
if (previous == test_data_value_at_index(data_samples, i)) {
ERROR_HEADER(data_samples);
fprintf(stderr,
"Duplicate values [%u] = [%u] = %" PRIi64 " returned "
"for %s/%s (num sample counts = %i)\n",
i - 1, i, test_data_value_at_index(data_samples, i),
piglit_get_gl_enum_name(target),
piglit_get_gl_enum_name(format),
buffer_size_in_elements);
pass = false;
}
if (previous < test_data_value_at_index(data_samples, i)) {
ERROR_HEADER(data_samples);
fprintf(stderr,
"Values not in descending order "
"([%u] = %d) < ([%u] = %" PRIi64 ") returned "
"for %s/%s (num sample counts = %i)\n",
i - 1, previous,
i, test_data_value_at_index(data_samples, i),
piglit_get_gl_enum_name(target),
piglit_get_gl_enum_name(format),
buffer_size_in_elements);
pass = false;
}
previous = test_data_value_at_index(data_samples, i);
}
/* The GL_ARB_internalformat_query spec says:
*
* "The maximum value in SAMPLES is guaranteed to be at
* least the lowest of the following:
*
* - The value of GetIntegerv(MAX_INTEGER_SAMPLES), if
* <internalformat> is a signed or unsigned integer format.
* - The value of GetIntegerv(MAX_DEPTH_TEXTURE_SAMPLES), if
* <internalformat> is a depth/stencil-renderable format and
* <target> is TEXTURE_2D_MULTISAMPLE or
* TEXTURE_2D_MULTISAMPLE_ARRAY.
* - The value of GetIntegerv(MAX_COLOR_TEXTURE_SAMPLES), if
* <internalformat> is a color-renderable format and <target>
* is TEXTURE_2D_MULTISAMPLE or TEXTURE_2D_MULTISAMPLE_ARRAY.
* - The value of GetIntegerv(MAX_SAMPLES)."
*
* Separate tests will verify the values for GL_MAX_*_SAMPLES.
*/
if (test_data_value_at_index(data_samples, 0) < max_samples) {
ERROR_HEADER(data_samples);
fprintf(stderr,
"GL_SAMPLES (%" PRIi64 ") smaller than %s (%d) "
"for %s/%s\n",
test_data_value_at_index(data_samples, 0),
max_samples_name,
max_samples,
piglit_get_gl_enum_name(target),
piglit_get_gl_enum_name(format));
pass = false;
}
return pass;
}
/*
* This is a wrapping method that handles the need to test using
* GetInternalformativ and GetInternalformati64v. This way piglit_init
* is basically the same that query1 counterpart, and real_try is just
* try() at query1, but using the test_data structs. Also helps on the
* indentation.
*/
static bool
try(GLenum target, GLenum format, GLint max_samples,
const char *max_samples_name)
{
/* real params_size will be set at real_try() */
test_data *data_counts = test_data_new(0, 0);
test_data *data_samples = test_data_new(0, 0);
bool result;
int testing64;
for (testing64 = 0; testing64 <= 1; testing64++) {
test_data_set_testing64(data_counts, testing64);
test_data_set_testing64(data_samples, testing64);
result = real_try(target, format, max_samples, max_samples_name,
data_counts, data_samples);
}
test_data_clear(&data_counts);
test_data_clear(&data_samples);
return result;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
unsigned i;
const bool tms_supported =
piglit_is_extension_supported("GL_ARB_texture_multisample");
GLint max_samples;
GLint valid_formats_size = ARRAY_SIZE(valid_formats);
piglit_require_extension("GL_ARB_framebuffer_object");
piglit_require_extension("GL_ARB_internalformat_query2");
initialize_valid_internalformats();
/* Need GL 3 or extensions to support the valid_formats[] above */
if (piglit_get_gl_version() < 30) {
piglit_require_extension("GL_ARB_texture_rg");
piglit_require_extension("GL_ARB_texture_float");
}
/* GL_ALPHA8 was removed on OpenGL 3.1 core, or if
* ARB_compatibility is missing, so on that case we skip that
* format
*/
if (piglit_get_gl_version() >= 31 &&
(piglit_is_core_profile ||
!piglit_is_extension_supported("GL_ARB_compatibility")))
valid_formats_size = valid_formats_size - 1;
glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
for (i = 0; i < valid_formats_size; i++) {
pass = try(GL_RENDERBUFFER,
valid_formats[i],
max_samples,
"GL_MAX_SAMPLES")
&& pass;
}
if (!tms_supported) {
for (i = 0; i < ARRAY_SIZE(valid_depth_formats); i++) {
pass = try(GL_RENDERBUFFER,
valid_depth_formats[i],
max_samples,
"GL_MAX_SAMPLES")
&& pass;
}
/* The OpenGL 3.1 spec says:
*
* "The error INVALID_OPERATION may be generated if
* internalformat is a signed or unsigned integer format,
* samples is greater than one, and the implementation
* does not support multisampled integer renderbuffers
* (see “Required Renderbuffer Formats” below)."
*
* In OpenGL 3.2 or ARB_texture_multisample the query
* GL_MAX_INTEGER_SAMPLES is used to determine the
* maximum number of samples for integer buffers.
* This is checked in the other code path.
*/
for (i = 0; i < ARRAY_SIZE(valid_integer_formats); i++) {
pass = try(GL_RENDERBUFFER,
valid_integer_formats[i],
1,
"one")
&& pass;
}
} else {
for (i = 0; i < ARRAY_SIZE(valid_targets_with_tms); i++) {
const char *max_samples_name;
unsigned j;
if (valid_targets_with_tms[i] == GL_RENDERBUFFER) {
glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
max_samples_name = "GL_MAX_SAMPLES";
} else {
glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES,
&max_samples);
max_samples_name = "GL_MAX_COLOR_TEXTURE_SAMPLES";
}
for (j = 0; j < valid_formats_size; j++) {
pass = try(valid_targets_with_tms[i],
valid_formats[j],
max_samples,
max_samples_name)
&& pass;
}
if (valid_targets_with_tms[i] == GL_RENDERBUFFER) {
glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
max_samples_name = "GL_MAX_SAMPLES";
} else {
glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES,
&max_samples);
max_samples_name = "GL_MAX_DEPTH_TEXTURE_SAMPLES";
}
for (j = 0; j < ARRAY_SIZE(valid_depth_formats); j++) {
pass = try(valid_targets_with_tms[i],
valid_depth_formats[j],
max_samples,
max_samples_name)
&& pass;
}
glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &max_samples);
max_samples_name = "GL_MAX_INTEGER_SAMPLES";
for (j = 0; j < ARRAY_SIZE(valid_integer_formats); j++) {
pass = try(valid_targets_with_tms[i],
valid_integer_formats[j],
max_samples,
max_samples_name)
&& pass;
}
}
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
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