41d59c0af7
There seem to be other cases where the slow path is hit even with mesa 9.0. https://bugzilla.gnome.org/show_bug.cgi?id=685915 (cherry picked from commit 6b14fa222bafb7e67c4845b26439322b34ac26a2)
551 lines
14 KiB
C
551 lines
14 KiB
C
/*
|
|
* 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 "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 by a space and the name "Mesa" */
|
|
if (!g_str_has_prefix (v, " Mesa "))
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|