void Framebuffer::attachTexture(Texture::Pointer rt, uint32_t target)
{
if (rt.invalid() || (rt->size() != _description.size.xy())) return;
ET_ASSERT(glIsTexture(static_cast<uint32_t>(rt->apiHandle())));
_rc->renderState().bindFramebuffer(static_cast<uint32_t>(apiHandle()));
if ((rt->target() == TextureTarget::Texture_2D) || (rt->target() == TextureTarget::Texture_Rectangle))
{
glFramebufferTexture2D(GL_FRAMEBUFFER, target, textureTargetValue(rt->target()),
static_cast<uint32_t>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture2D(...) - %s", name().c_str());
}
else if (rt->target() == TextureTarget::Texture_Cube)
{
for (GLenum i = 0; i < 6; ++i)
{
glFramebufferTexture2D(GL_FRAMEBUFFER, target, GL_TEXTURE_CUBE_MAP_POSITIVE_X + i,
static_cast<uint32_t>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture2D(...) - %s", name().c_str());
}
}
#if (!ET_OPENGLES)
else if (rt->target() == TextureTarget::Texture_2D_Array)
{
glFramebufferTexture(GL_FRAMEBUFFER, target, static_cast<GLuint>(rt->apiHandle()), 0);
checkOpenGLError("glFramebufferTexture(...) - %s", name().c_str());
}
#endif
}
void RenderState::bindTexture(uint32_t unit, const Texture::Pointer& texture, bool force)
{
#if !defined(ET_CONSOLE_APPLICATION)
if (texture.valid())
bindTexture(unit, static_cast<uint32_t>(texture->apiHandle()), texture->target(), force);
else
bindTexture(unit, 0, TextureTarget::Texture_2D, force);
#endif
}
void Renderer::renderFullscreenTexture(const Texture::Pointer& texture, const vec4& tint)
{
#if !defined(ET_CONSOLE_APPLICATION)
auto prog = _fullscreenProgram[static_cast<int>(texture->target())];
_rc->renderState().bindTexture(_defaultTextureBindingUnit, texture);
_rc->renderState().bindProgram(prog);
prog->setUniform("color_texture_size", texture->sizeFloat());
prog->setUniform("tint", tint);
fullscreenPass();
#endif
}