Files
egutierrez e3c8979e8d chore: auto-commit (95 archivos)
- cmd/fn/doctor.go
- cmd/fn/main.go
- cpp/apps/primitives_gallery/playground/tables/CMakeLists.txt
- cpp/apps/primitives_gallery/playground/tables/data_table.cpp
- cpp/apps/primitives_gallery/playground/tables/data_table_logic.cpp
- cpp/apps/primitives_gallery/playground/tables/data_table_logic.h
- cpp/apps/primitives_gallery/playground/tables/self_test.cpp
- cpp/apps/primitives_gallery/playground/tables/tql.cpp
- cpp/apps/primitives_gallery/playground/tables/viz.cpp
- cpp/apps/primitives_gallery/playground/tables/viz.h
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-13 00:50:34 +02:00

97 lines
3.4 KiB
C++

#include "gfx/gpu_check.h"
#include "gfx/gl_loader.h"
#include <cstring>
#include <string>
// CUDA runtime version via compile-time macro.
// cuda_runtime.h define CUDART_VERSION como XXYYZZ (ej. 12040 para 12.4.0).
// Solo se incluye si el header esta disponible; si no, cuda_runtime_version = "".
#if defined(__has_include) && __has_include(<cuda_runtime.h>)
#include <cuda_runtime.h>
#define FN_HAS_CUDA_RUNTIME 1
#endif
namespace fn::gfx {
static std::string safe_gl_string(GLenum name) {
const GLubyte* s = glGetString(name);
if (!s) return "";
return std::string(reinterpret_cast<const char*>(s));
}
static bool check_gl_version_43() {
// GL_VERSION tiene formato "major.minor ..." o "OpenGL ES major.minor ..."
const GLubyte* ver = glGetString(GL_VERSION);
if (!ver) return false;
int major = 0, minor = 0;
// Saltar prefijo "OpenGL ES " si lo hay
const char* p = reinterpret_cast<const char*>(ver);
if (std::strncmp(p, "OpenGL ES ", 10) == 0) p += 10;
// sscanf con la forma "X.Y"
// NOLINTNEXTLINE(cert-err34-c)
std::sscanf(p, "%d.%d", &major, &minor);
return (major > 4) || (major == 4 && minor >= 3);
}
bool gpu_check_caps(GpuCaps& out) {
out = GpuCaps{}; // reset
out.gl_vendor = safe_gl_string(GL_VENDOR);
out.gl_renderer = safe_gl_string(GL_RENDERER);
out.gl_version = safe_gl_string(GL_VERSION);
if (out.gl_vendor.empty()) {
// No hay contexto GL activo.
return false;
}
// Compute shader support: GL 4.3+ o ARB_compute_shader
{
const GLubyte* exts = glGetString(GL_EXTENSIONS);
bool has_arb = exts &&
std::strstr(reinterpret_cast<const char*>(exts),
"GL_ARB_compute_shader") != nullptr;
out.has_compute_shader = check_gl_version_43() || has_arb;
}
// Shader storage buffer: GL 4.3+ o ARB_shader_storage_buffer_object
{
const GLubyte* exts = glGetString(GL_EXTENSIONS);
bool has_ssbo_arb = exts &&
std::strstr(reinterpret_cast<const char*>(exts),
"GL_ARB_shader_storage_buffer_object") != nullptr;
out.has_storage_buffer = check_gl_version_43() || has_ssbo_arb;
}
// Workgroup limits (solo si hay compute shader support)
if (out.has_compute_shader) {
// GL_MAX_COMPUTE_WORK_GROUP_COUNT — indexed query
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 0, &out.max_compute_workgroup_count[0]);
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 1, &out.max_compute_workgroup_count[1]);
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_COUNT, 2, &out.max_compute_workgroup_count[2]);
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 0, &out.max_compute_workgroup_size[0]);
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 1, &out.max_compute_workgroup_size[1]);
glGetIntegeri_v(GL_MAX_COMPUTE_WORK_GROUP_SIZE, 2, &out.max_compute_workgroup_size[2]);
}
// CUDA runtime version (compile-time detection)
#if defined(FN_HAS_CUDA_RUNTIME)
{
int cuda_ver = CUDART_VERSION; // ej. 12040 para CUDA 12.4.0
int major = cuda_ver / 1000;
int minor = (cuda_ver % 1000) / 10;
char buf[16];
std::snprintf(buf, sizeof(buf), "%d.%d", major, minor);
out.cuda_runtime_version = buf;
}
#else
out.cuda_runtime_version = "";
#endif
return true;
}
} // namespace fn::gfx