static void gl2_renderchain_deinit_fbo(void *data,
void *chain_data)
{
gl_t *gl = (gl_t*)data;
gl2_renderchain_t *chain = (gl2_renderchain_t*)chain_data;
if (!gl)
return;
glDeleteTextures(chain->fbo_pass, chain->fbo_texture);
gl2_delete_fb(chain->fbo_pass, chain->fbo);
memset(chain->fbo_texture, 0, sizeof(chain->fbo_texture));
memset(chain->fbo, 0, sizeof(chain->fbo));
if (gl->fbo_feedback)
gl2_delete_fb(1, &gl->fbo_feedback);
if (gl->fbo_feedback_texture)
glDeleteTextures(1, &gl->fbo_feedback_texture);
chain->fbo_pass = 0;
gl->fbo_inited = false;
gl->fbo_feedback_enable = false;
gl->fbo_feedback_pass = 0;
gl->fbo_feedback_texture = 0;
gl->fbo_feedback = 0;
}
static bool gl_create_fbo_targets(gl_t *gl, void *chain_data)
{
int i;
gl2_renderchain_t *chain = (gl2_renderchain_t*)chain_data;
glBindTexture(GL_TEXTURE_2D, 0);
gl2_gen_fb(chain->fbo_pass, chain->fbo);
for (i = 0; i < chain->fbo_pass; i++)
{
GLenum status;
gl2_bind_fb(chain->fbo[i]);
gl2_fb_texture_2d(RARCH_GL_FRAMEBUFFER,
RARCH_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, chain->fbo_texture[i], 0);
status = gl2_check_fb_status(RARCH_GL_FRAMEBUFFER);
if (status != RARCH_GL_FRAMEBUFFER_COMPLETE)
goto error;
}
if (gl->fbo_feedback_texture)
{
GLenum status;
gl2_gen_fb(1, &gl->fbo_feedback);
gl2_bind_fb(gl->fbo_feedback);
gl2_fb_texture_2d(RARCH_GL_FRAMEBUFFER,
RARCH_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
gl->fbo_feedback_texture, 0);
status = gl2_check_fb_status(RARCH_GL_FRAMEBUFFER);
if (status != RARCH_GL_FRAMEBUFFER_COMPLETE)
goto error;
/* Make sure the feedback textures are cleared
* so we don't feedback noise. */
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
}
return true;
error:
gl2_delete_fb(chain->fbo_pass, chain->fbo);
if (gl->fbo_feedback)
gl2_delete_fb(1, &gl->fbo_feedback);
RARCH_ERR("[GL]: Failed to set up frame buffer objects. Multi-pass shading will not work.\n");
return false;
}
static void gl2_renderchain_deinit_hw_render(
gl_t *gl,
void *chain_data)
{
gl2_renderchain_t *chain = (gl2_renderchain_t*)chain_data;
if (!gl)
return;
context_bind_hw_render(gl, true);
if (gl->hw_render_fbo_init)
gl2_delete_fb(gl->textures, gl->hw_render_fbo);
if (chain->hw_render_depth_init)
gl2_delete_rb(gl->textures, chain->hw_render_depth);
gl->hw_render_fbo_init = false;
context_bind_hw_render(gl, false);
}
