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mutter-performance-source/cogl/cogl-gpu-info.c
Chun-wei Fan 00b3e21f44 cogl-gpu-info.c: Avoid using named initializers 
Unfortunately named initializers is a feature that is not supported by
all compilers (such as pre-2013 Visual Studio) so avoid using that.

Reviewed-by: Robert Bragg <robert@linux.intel.com>

(cherry picked from commit 5a5659f9861dfe7a4808f2a5284de8fe6175bec2)
2013-08-19 22:44:45 +01:00

574 lines
15 KiB
C
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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2012 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include <errno.h>
#include <test-fixtures/test-unit.h>
#include "cogl-gpu-info-private.h"
#include "cogl-context-private.h"
#include "cogl-version.h"
typedef struct
{
const char *renderer_string;
const char *version_string;
const char *vendor_string;
} CoglGpuInfoStrings;
typedef struct CoglGpuInfoArchitectureDescription
{
CoglGpuInfoArchitecture architecture;
const char *name;
CoglGpuInfoArchitectureFlag flags;
CoglBool (* check_function) (const CoglGpuInfoStrings *strings);
} CoglGpuInfoArchitectureDescription;
typedef struct
{
CoglGpuInfoVendor vendor;
const char *name;
CoglBool (* check_function) (const CoglGpuInfoStrings *strings);
const CoglGpuInfoArchitectureDescription *architectures;
} CoglGpuInfoVendorDescription;
typedef struct
{
CoglGpuInfoDriverPackage driver_package;
const char *name;
CoglBool (* check_function) (const CoglGpuInfoStrings *strings,
int *version_out);
} CoglGpuInfoDriverPackageDescription;
static CoglBool
_cogl_gpu_info_parse_version_string (const char *version_string,
int n_components,
const char **tail,
int *version_ret)
{
int version = 0;
uint64_t part;
int i;
for (i = 0; ; i++)
{
errno = 0;
part = g_ascii_strtoull (version_string,
(char **) &version_string,
10);
if (errno || part > COGL_VERSION_MAX_COMPONENT_VALUE)
return FALSE;
version |= part << ((2 - i) * COGL_VERSION_COMPONENT_BITS);
if (i + 1 >= n_components)
break;
if (*version_string != '.')
return FALSE;
version_string++;
}
if (version_ret)
*version_ret = version;
if (tail)
*tail = version_string;
return TRUE;
}
static CoglBool
match_phrase (const char *string, const char *phrase)
{
const char *part = strstr (string, phrase);
int len;
if (part == NULL)
return FALSE;
/* The match must either be at the beginning of the string or
preceded by a space. */
if (part > string && part[-1] != ' ')
return FALSE;
/* Also match must either be at end of string or followed by a
* space. */
len = strlen (phrase);
if (part[len] != '\0' && part[len] != ' ')
return FALSE;
return TRUE;
}
static CoglBool
check_intel_vendor (const CoglGpuInfoStrings *strings)
{
return match_phrase (strings->renderer_string, "Intel(R)");
}
static CoglBool
check_imagination_technologies_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "Imagination Technologies") != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_arm_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "ARM") != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_qualcomm_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "Qualcomm") != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_nvidia_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "NVIDIA") != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_ati_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "ATI") != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_mesa_vendor (const CoglGpuInfoStrings *strings)
{
if (strcmp (strings->vendor_string, "Tungsten Graphics, Inc") == 0)
return TRUE;
else if (strcmp (strings->vendor_string, "VMware, Inc.") == 0)
return TRUE;
else if (strcmp (strings->vendor_string, "Mesa Project") == 0)
return TRUE;
return FALSE;
}
static CoglBool
check_true (const CoglGpuInfoStrings *strings)
{
/* This is a last resort so it always matches */
return TRUE;
}
static CoglBool
check_sandybridge_architecture (const CoglGpuInfoStrings *strings)
{
return match_phrase (strings->renderer_string, "Sandybridge");
}
static CoglBool
check_llvmpipe_architecture (const CoglGpuInfoStrings *strings)
{
return match_phrase (strings->renderer_string, "llvmpipe");
}
static CoglBool
check_softpipe_architecture (const CoglGpuInfoStrings *strings)
{
return match_phrase (strings->renderer_string, "softpipe");
}
static CoglBool
check_swrast_architecture (const CoglGpuInfoStrings *strings)
{
return match_phrase (strings->renderer_string, "software rasterizer") ||
match_phrase (strings->renderer_string, "Software Rasterizer");
}
static CoglBool
check_sgx_architecture (const CoglGpuInfoStrings *strings)
{
if (strncmp (strings->renderer_string, "PowerVR SGX", 12) != 0)
return FALSE;
return TRUE;
}
static CoglBool
check_mali_architecture (const CoglGpuInfoStrings *strings)
{
if (strncmp (strings->renderer_string, "Mali-", 5) != 0)
return FALSE;
return TRUE;
}
static const CoglGpuInfoArchitectureDescription
intel_architectures[] =
{
{
COGL_GPU_INFO_ARCHITECTURE_SANDYBRIDGE,
"Sandybridge",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE,
check_sandybridge_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_UNKNOWN,
"Unknown",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE,
check_true
}
};
static const CoglGpuInfoArchitectureDescription
powervr_architectures[] =
{
{
COGL_GPU_INFO_ARCHITECTURE_SGX,
"SGX",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_DEFERRED,
check_sgx_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_UNKNOWN,
"Unknown",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED |
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED,
check_true
}
};
static const CoglGpuInfoArchitectureDescription
arm_architectures[] =
{
{
COGL_GPU_INFO_ARCHITECTURE_MALI,
"Mali",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE,
check_mali_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_UNKNOWN,
"Unknown",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_TILED |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE,
check_true
}
};
static const CoglGpuInfoArchitectureDescription
mesa_architectures[] =
{
{
COGL_GPU_INFO_ARCHITECTURE_LLVMPIPE,
"LLVM Pipe",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE,
check_llvmpipe_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_SOFTPIPE,
"Softpipe",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE,
check_softpipe_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_SWRAST,
"SWRast",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_SOFTWARE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_SOFTWARE,
check_swrast_architecture
},
{
COGL_GPU_INFO_ARCHITECTURE_UNKNOWN,
"Unknown",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_FRAGMENT_IMMEDIATE_MODE,
check_true
}
};
static const CoglGpuInfoArchitectureDescription
unknown_architectures[] =
{
{
COGL_GPU_INFO_ARCHITECTURE_UNKNOWN,
"Unknown",
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE |
COGL_GPU_INFO_ARCHITECTURE_FLAG_VERTEX_IMMEDIATE_MODE,
check_true
}
};
static const CoglGpuInfoVendorDescription
_cogl_gpu_info_vendors[] =
{
{
COGL_GPU_INFO_VENDOR_INTEL,
"Intel",
check_intel_vendor,
intel_architectures
},
{
COGL_GPU_INFO_VENDOR_IMAGINATION_TECHNOLOGIES,
"Imagination Technologies",
check_imagination_technologies_vendor,
powervr_architectures
},
{
COGL_GPU_INFO_VENDOR_ARM,
"ARM",
check_arm_vendor,
arm_architectures
},
{
COGL_GPU_INFO_VENDOR_QUALCOMM,
"Qualcomm",
check_qualcomm_vendor,
unknown_architectures
},
{
COGL_GPU_INFO_VENDOR_NVIDIA,
"Nvidia",
check_nvidia_vendor,
unknown_architectures
},
{
COGL_GPU_INFO_VENDOR_ATI,
"ATI",
check_ati_vendor,
unknown_architectures
},
/* Must be last */
{
COGL_GPU_INFO_VENDOR_MESA,
"Mesa",
check_mesa_vendor,
mesa_architectures
},
{
COGL_GPU_INFO_VENDOR_UNKNOWN,
"Unknown",
check_true,
unknown_architectures
}
};
static CoglBool
check_mesa_driver_package (const CoglGpuInfoStrings *strings,
int *version_ret)
{
uint64_t micro_part;
const char *v;
/* The version string should always begin a two-part GL version
number */
if (!_cogl_gpu_info_parse_version_string (strings->version_string,
2, /* n_components */
&v, /* tail */
NULL /* version_ret */))
return FALSE;
/* In mesa this will be followed optionally by "(Core Profile)" and
* then "Mesa" */
v = strstr (v, " Mesa ");
if (!v)
return FALSE;
v += 6;
/* Next there will be a version string that is at least two
components. On a git devel build the version will be something
like "-devel<git hash>" instead */
if (!_cogl_gpu_info_parse_version_string (v,
2, /* n_components */
&v, /* tail */
version_ret))
return FALSE;
/* If it is a development build then we'll just leave the micro
number as 0 */
if (g_str_has_prefix (v, "-devel"))
return TRUE;
/* Otherwise there should be a micro version number */
if (*v != '.')
return FALSE;
errno = 0;
micro_part = g_ascii_strtoull (v + 1, NULL /* endptr */, 10 /* base */);
if (errno || micro_part > COGL_VERSION_MAX_COMPONENT_VALUE)
return FALSE;
*version_ret = COGL_VERSION_ENCODE (COGL_VERSION_GET_MAJOR (*version_ret),
COGL_VERSION_GET_MINOR (*version_ret),
micro_part);
return TRUE;
}
UNIT_TEST (check_mesa_driver_package_parser,
0, /* no requirements */
0 /* no failure cases */)
{
/* renderer_string, version_string, vendor_string;*/
const CoglGpuInfoStrings test_strings[2] = {
{ NULL, "3.1 Mesa 9.2-devel15436ad", NULL },
{ NULL, "3.1 (Core Profile) Mesa 9.2.0-devel (git-15436ad)", NULL }
};
int i;
int version;
for (i = 0; i < G_N_ELEMENTS (test_strings); i++)
{
g_assert (check_mesa_driver_package (&test_strings[i], &version));
g_assert_cmpint (version, ==, COGL_VERSION_ENCODE (9, 2, 0));
}
}
static CoglBool
check_unknown_driver_package (const CoglGpuInfoStrings *strings,
int *version_out)
{
*version_out = 0;
/* This is a last resort so it always matches */
return TRUE;
}
static const CoglGpuInfoDriverPackageDescription
_cogl_gpu_info_driver_packages[] =
{
{
COGL_GPU_INFO_DRIVER_PACKAGE_MESA,
"Mesa",
check_mesa_driver_package
},
/* Must be last */
{
COGL_GPU_INFO_DRIVER_PACKAGE_UNKNOWN,
"Unknown",
check_unknown_driver_package
}
};
void
_cogl_gpu_info_init (CoglContext *ctx,
CoglGpuInfo *gpu)
{
CoglGpuInfoStrings strings;
int i;
strings.renderer_string = (const char *) ctx->glGetString (GL_RENDERER);
strings.version_string = _cogl_context_get_gl_version (ctx);
strings.vendor_string = (const char *) ctx->glGetString (GL_VENDOR);
/* Determine the driver package */
for (i = 0; ; i++)
{
const CoglGpuInfoDriverPackageDescription *description =
_cogl_gpu_info_driver_packages + i;
if (description->check_function (&strings, &gpu->driver_package_version))
{
gpu->driver_package = description->driver_package;
gpu->driver_package_name = description->name;
break;
}
}
/* Determine the GPU vendor */
for (i = 0; ; i++)
{
const CoglGpuInfoVendorDescription *description =
_cogl_gpu_info_vendors + i;
if (description->check_function (&strings))
{
int j;
gpu->vendor = description->vendor;
gpu->vendor_name = description->name;
for (j = 0; ; j++)
{
const CoglGpuInfoArchitectureDescription *architecture =
description->architectures + j;
if (architecture->check_function (&strings))
{
gpu->architecture = architecture->architecture;
gpu->architecture_name = architecture->name;
gpu->architecture_flags = architecture->flags;
goto probed;
}
}
}
}
probed:
COGL_NOTE (WINSYS, "Driver package = %s, vendor = %s, architecture = %s\n",
gpu->driver_package_name,
gpu->vendor_name,
gpu->architecture_name);
/* Determine the driver bugs */
/* In Mesa the glReadPixels implementation is really slow
when using the Intel driver. The Intel
driver has a fast blit path when reading into a PBO. Reading into
a temporary PBO and then memcpying back out to the application's
memory is faster than a regular glReadPixels in this case */
if (gpu->vendor == COGL_GPU_INFO_VENDOR_INTEL &&
gpu->driver_package == COGL_GPU_INFO_DRIVER_PACKAGE_MESA)
gpu->driver_bugs |= COGL_GPU_INFO_DRIVER_BUG_MESA_46631_SLOW_READ_PIXELS;
}
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