Page MenuHome
Differential D5955 Diff 18796 source/blender/gpu/intern/gpu_platform.c

Changeset View

Standalone View

View Options

source/blender/gpu/intern/gpu_platform.c

  • This file was added.
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2005 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*
* Wrap OpenGL features such as textures, shaders and GLSL
* with checks for drivers and GPU support.
*/
#include "GPU_platform.h"
#include "GPU_glew.h"
#include "gpu_private.h"
#include <string.h>
#include "BLI_dynstr.h"
#include "BLI_string.h"
#include "MEM_guardedalloc.h"
static struct GPUPlatformGlobal {
bool initialized;
eGPUDeviceType device;
eGPUOSType os;
eGPUDriverType driver;
eGPUSupportLevel support_level;
char *support_key;
char *gpu_name;
} GPG = {false};
typedef struct GPUPlatformSupportTest {
eGPUSupportLevel support_level;
eGPUDeviceType device;
eGPUOSType os;
eGPUDriverType driver;
const char *vendor;
const char *renderer;
const char *version;
} GPUPlatformSupportTest;
// clang-format off
static GPUPlatformSupportTest GPU_PLATFORM_SUPPORT_TESTS[] = {
/* AMD has confirmed that drivers with this specific OpenGL backend
* has issues. The issue is that clearing multiple color buffers at once is
* not working, but is part of the OpenGL specification. Their
* advice is to tell our users to not use this driver. (T69972) */
{GPU_SUPPORT_LEVEL_UNSUPPORTED, GPU_DEVICE_ATI, GPU_OS_WIN, GPU_DRIVER_ANY, "", "", "4.5.13571"},
brechtUnsubmitted
Done
Inline Actions

GPU_DEVICE_ANY -> GPU_DRIVER_ANY

brecht: `GPU_DEVICE_ANY` -> `GPU_DRIVER_ANY`
brechtUnsubmitted
Done
Inline Actions

Someone will still need to fill in this list, we need a task tagged with 2.81 after this is committed.

brecht: Someone will still need to fill in this list, we need a task tagged with 2.81 after this is…
/* This terminator record must be the last item */
{-1, GPU_DEVICE_ANY, GPU_OS_ANY, GPU_DRIVER_ANY, "", "", ""}};
// clang-format on
static bool gpu_platform_support_match(const GPUPlatformSupportTest *test_record,
const char *vendor,
const char *renderer,
const char *version)
{
return GPU_type_matches(test_record->device, test_record->os, test_record->driver) &&
(strstr(vendor, test_record->vendor) && strstr(renderer, test_record->renderer) &&
strstr(version, test_record->version));
}
eGPUSupportLevel GPU_platform_support_level(void)
{
return GPG.support_level;
}
const char *GPU_platform_support_level_key(void)
{
return GPG.support_key;
}
const char *GPU_platform_gpu_name(void)
{
return GPG.gpu_name;
}
/* GPU Types */
bool GPU_type_matches(eGPUDeviceType device, eGPUOSType os, eGPUDriverType driver)
{
return (GPG.device & device) && (GPG.os & os) && (GPG.driver & driver);
}
static char *gpu_platform_create_key(eGPUSupportLevel support_level,
const char *vendor,
const char *renderer,
const char *version)
{
DynStr *ds = BLI_dynstr_new();
BLI_dynstr_append(ds, "{");
BLI_dynstr_append(ds, vendor);
BLI_dynstr_append(ds, "/");
BLI_dynstr_append(ds, renderer);
BLI_dynstr_append(ds, "/");
BLI_dynstr_append(ds, version);
BLI_dynstr_append(ds, "}");
BLI_dynstr_append(ds, "=");
if (support_level == GPU_SUPPORT_LEVEL_SUPPORTED) {
BLI_dynstr_append(ds, "SUPPORTED");
}
else if (support_level == GPU_SUPPORT_LEVEL_LIMITED) {
BLI_dynstr_append(ds, "LIMITED");
}
brechtUnsubmitted
Done
Inline Actions

Just to be sure we could add this, so the assumption of one key per line works:

BLI_str_replace_char(support_key, '\n', ' ');
BLI_str_replace_char(support_key, '\r', ' ');
brecht: Just to be sure we could add this, so the assumption of one key per line works: ```…
else {
BLI_dynstr_append(ds, "UNSUPPORTED");
}
char *support_key = BLI_dynstr_get_cstring(ds);
BLI_dynstr_free(ds);
BLI_str_replace_char(support_key, '\n', ' ');
BLI_str_replace_char(support_key, '\r', ' ');
return support_key;
}
static char *gpu_platform_create_gpu_name(const char *vendor,
const char *renderer,
const char *version)
{
DynStr *ds = BLI_dynstr_new();
BLI_dynstr_append(ds, vendor);
BLI_dynstr_append(ds, " ");
BLI_dynstr_append(ds, renderer);
BLI_dynstr_append(ds, " ");
BLI_dynstr_append(ds, version);
char *gpu_name = BLI_dynstr_get_cstring(ds);
BLI_dynstr_free(ds);
BLI_str_replace_char(gpu_name, '\n', ' ');
BLI_str_replace_char(gpu_name, '\r', ' ');
return gpu_name;
}
void gpu_platform_init(void)
{
if (GPG.initialized) {
return;
}
#ifdef _WIN32
GPG.os = GPU_OS_WIN;
#elif defined(__APPLE__)
GPG.os = GPU_OS_MAC;
#else
GPG.os = GPU_OS_UNIX;
#endif
const char *vendor = (const char *)glGetString(GL_VENDOR);
const char *renderer = (const char *)glGetString(GL_RENDERER);
const char *version = (const char *)glGetString(GL_VERSION);
if (strstr(vendor, "ATI") || strstr(vendor, "AMD")) {
GPG.device = GPU_DEVICE_ATI;
GPG.driver = GPU_DRIVER_OFFICIAL;
}
else if (strstr(vendor, "NVIDIA")) {
GPG.device = GPU_DEVICE_NVIDIA;
GPG.driver = GPU_DRIVER_OFFICIAL;
}
else if (strstr(vendor, "Intel") ||
/* src/mesa/drivers/dri/intel/intel_context.c */
strstr(renderer, "Mesa DRI Intel") || strstr(renderer, "Mesa DRI Mobile Intel")) {
GPG.device = GPU_DEVICE_INTEL;
GPG.driver = GPU_DRIVER_OFFICIAL;
if (strstr(renderer, "UHD Graphics") ||
/* Not UHD but affected by the same bugs. */
strstr(renderer, "HD Graphics 530") || strstr(renderer, "Kaby Lake GT2")) {
GPG.device |= GPU_DEVICE_INTEL_UHD;
}
}
else if ((strstr(renderer, "Mesa DRI R")) ||
(strstr(renderer, "Radeon") && strstr(vendor, "X.Org")) ||
(strstr(renderer, "AMD") && strstr(vendor, "X.Org")) ||
(strstr(renderer, "Gallium ") && strstr(renderer, " on ATI ")) ||
(strstr(renderer, "Gallium ") && strstr(renderer, " on AMD "))) {
GPG.device = GPU_DEVICE_ATI;
GPG.driver = GPU_DRIVER_OPENSOURCE;
}
else if (strstr(renderer, "Nouveau") || strstr(vendor, "nouveau")) {
GPG.device = GPU_DEVICE_NVIDIA;
GPG.driver = GPU_DRIVER_OPENSOURCE;
}
else if (strstr(vendor, "Mesa")) {
GPG.device = GPU_DEVICE_SOFTWARE;
GPG.driver = GPU_DRIVER_SOFTWARE;
}
else if (strstr(vendor, "Microsoft")) {
GPG.device = GPU_DEVICE_SOFTWARE;
GPG.driver = GPU_DRIVER_SOFTWARE;
}
else if (strstr(renderer, "Apple Software Renderer")) {
GPG.device = GPU_DEVICE_SOFTWARE;
GPG.driver = GPU_DRIVER_SOFTWARE;
}
else if (strstr(renderer, "llvmpipe")) {
GPG.device = GPU_DEVICE_SOFTWARE;
GPG.driver = GPU_DRIVER_SOFTWARE;
}
else {
printf("Warning: Could not find a matching GPU name. Things may not behave as expected.\n");
printf("Detected OpenGL configuration:\n");
printf("Vendor: %s\n", vendor);
printf("Renderer: %s\n", renderer);
GPG.device = GPU_DEVICE_ANY;
GPG.driver = GPU_DRIVER_ANY;
}
/* Detect support level */
if (!GLEW_VERSION_3_3) {
GPG.support_level = GPU_SUPPORT_LEVEL_UNSUPPORTED;
}
else {
for (int index = 0; GPU_PLATFORM_SUPPORT_TESTS[index].support_level != -1; index++) {
GPUPlatformSupportTest *test = &GPU_PLATFORM_SUPPORT_TESTS[index];
if (gpu_platform_support_match(test, vendor, renderer, version)) {
GPG.support_level = test->support_level;
break;
}
}
}
GPG.support_key = gpu_platform_create_key(GPG.support_level, vendor, renderer, version);
GPG.gpu_name = gpu_platform_create_gpu_name(vendor, renderer, version);
GPG.initialized = true;
}
void gpu_platform_exit(void)
{
MEM_SAFE_FREE(GPG.support_key);
MEM_SAFE_FREE(GPG.gpu_name);
}