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spectre/source/GfxDriver/OpenGL/OpenGLDrv.cpp

53 lines
1 KiB
C++

#include "OpenGLDrv.h"
#include <Graphics/GL/gl.h>
namespace sp {
std::string OpenGLDrv::getVendor() const
{
char buf[512];
std::string prof = "Compability";
char *ver = (char*) glGetString(GL_VERSION);
char *ven = (char*) glGetString(GL_VENDOR);
char *ren = (char*) glGetString(GL_RENDERER);
GLint flags;
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &flags);
if (flags & GL_CONTEXT_CORE_PROFILE_BIT) {
prof = "Core";
}
snprintf(buf, sizeof(buf), "OpenGL %s %s profile - %s %s", ver, prof.c_str(), ren, ven);
return std::string(buf);
}
void OpenGLDrv::setViewport(int x, int y, int width, int height)
{
glViewport(x, y, width, height);
}
void OpenGLDrv::setClearColor(float r, float g, float b, float a)
{
glClearColor(r, g, b, 1.0f);
}
void OpenGLDrv::clearBuffer(GfxDriver::BufferFlags flags)
{
int glFlags = 0;
if (flags == GfxDriver::CLEAR_BUFFER_BIT) {
glFlags |= GL_COLOR_BUFFER_BIT;
}
glClear(glFlags);
}
void OpenGLDrv::clearColorBuffer()
{
glClear(GL_COLOR_BUFFER_BIT);
}
} // namespace sp