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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 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 "MEM_guardedalloc.h"
#include "BLI_dynstr.h"
#include "BLI_string.h"
#include "GPU_platform.h"
#include "gpu_platform_private.hh"
/* -------------------------------------------------------------------- */
/** \name GPUPlatformGlobal
* \{ */
namespace blender::gpu {
GPUPlatformGlobal GPG;
static char *create_key(eGPUSupportLevel support_level,
const char *vendor,
const char *renderer,
const char *version)
{
DynStr *ds = BLI_dynstr_new();
BLI_dynstr_appendf(ds, "{%s/%s/%s}=", vendor, renderer, version);
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");
}
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 *create_gpu_name(const char *vendor, const char *renderer, const char *version)
{
DynStr *ds = BLI_dynstr_new();
BLI_dynstr_appendf(ds, "%s %s %s", vendor, renderer, 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 GPUPlatformGlobal::init(eGPUDeviceType gpu_device,
eGPUOSType os_type,
eGPUDriverType driver_type,
eGPUSupportLevel gpu_support_level,
eGPUBackendType backend,
const char *vendor_str,
const char *renderer_str,
const char *version_str)
{
this->clear();
this->initialized = true;
this->device = gpu_device;
this->os = os_type;
this->driver = driver_type;
this->support_level = gpu_support_level;
const char *vendor = vendor_str ? vendor_str : "UNKNOWN";
const char *renderer = renderer_str ? renderer_str : "UNKNOWN";
const char *version = version_str ? version_str : "UNKNOWN";
this->vendor = BLI_strdup(vendor);
this->renderer = BLI_strdup(renderer);
this->version = BLI_strdup(version);
this->support_key = create_key(gpu_support_level, vendor, renderer, version);
this->gpu_name = create_gpu_name(vendor, renderer, version);
this->backend = backend;
}
void GPUPlatformGlobal::clear()
{
MEM_SAFE_FREE(vendor);
MEM_SAFE_FREE(renderer);
MEM_SAFE_FREE(version);
MEM_SAFE_FREE(support_key);
MEM_SAFE_FREE(gpu_name);
initialized = false;
}
} // namespace blender::gpu
/** \} */
/* -------------------------------------------------------------------- */
/** \name C-API
* \{ */
using namespace blender::gpu;
eGPUSupportLevel GPU_platform_support_level()
{
BLI_assert(GPG.initialized);
return GPG.support_level;
}
const char *GPU_platform_vendor()
{
BLI_assert(GPG.initialized);
return GPG.vendor;
}
const char *GPU_platform_renderer()
{
BLI_assert(GPG.initialized);
return GPG.renderer;
}
const char *GPU_platform_version()
{
BLI_assert(GPG.initialized);
return GPG.version;
}
const char *GPU_platform_support_level_key()
{
BLI_assert(GPG.initialized);
return GPG.support_key;
}
const char *GPU_platform_gpu_name()
{
BLI_assert(GPG.initialized);
return GPG.gpu_name;
}
bool GPU_type_matches(eGPUDeviceType device, eGPUOSType os, eGPUDriverType driver)
{
return GPU_type_matches_ex(device, os, driver, GPU_BACKEND_ANY);
}
bool GPU_type_matches_ex(eGPUDeviceType device,
eGPUOSType os,
eGPUDriverType driver,
eGPUBackendType backend)
{
BLI_assert(GPG.initialized);
return (GPG.device & device) && (GPG.os & os) && (GPG.driver & driver) &&
(GPG.backend & backend);
}
/** \} */
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