static void gl_cg_destroy_resources(void *data)
{
cg_shader_data_t *cg_data = (cg_shader_data_t*)data;
if (!cg_data)
return;
gl_cg_reset_attrib(data);
gl_cg_deinit_progs(data);
if (cg_data->shader && cg_data->shader->luts)
{
glDeleteTextures(cg_data->shader->luts, cg_data->lut_textures);
memset(cg_data->lut_textures, 0, sizeof(cg_data->lut_textures));
}
if (cg_data->state_tracker)
{
state_tracker_free(cg_data->state_tracker);
cg_data->state_tracker = NULL;
}
free(cg_data->shader);
cg_data->shader = NULL;
}
static void gl_cg_use(unsigned index)
{
if (cg_active && prg[index].vprg && prg[index].fprg)
{
gl_cg_reset_attrib();
active_index = index;
cgGLBindProgram(prg[index].vprg);
cgGLBindProgram(prg[index].fprg);
}
}
static void gl_cg_use(void *data, void *shader_data, unsigned idx)
{
cg_shader_data_t *cg_data = (cg_shader_data_t*)shader_data;
if (cg_data && cg_data->prg[idx].vprg && cg_data->prg[idx].fprg)
{
gl_cg_reset_attrib(cg_data);
cg_data->active_idx = idx;
cgGLBindProgram(cg_data->prg[idx].vprg);
cgGLBindProgram(cg_data->prg[idx].fprg);
}
}
static void gl_cg_use(void *data, void *shader_data, unsigned idx, bool set_active)
{
cg_shader_data_t *cg = (cg_shader_data_t*)shader_data;
if (cg && cg->prg[idx].vprg && cg->prg[idx].fprg)
{
if (set_active)
{
gl_cg_reset_attrib(cg);
cg->active_idx = idx;
}
gl_cg_set_shaders(cg->prg[idx].fprg, cg->prg[idx].vprg);
}
}
static void gl_cg_use(void *data, unsigned idx)
{
cg_shader_data_t *cg = (cg_shader_data_t*)driver.video_shader_data;
(void)data;
if (cg && cg->prg[idx].vprg && cg->prg[idx].fprg)
{
gl_cg_reset_attrib(cg);
cg->active_idx = idx;
cgGLBindProgram(cg->prg[idx].vprg);
cgGLBindProgram(cg->prg[idx].fprg);
}
}
static void gl_cg_deinit_state(void)
{
gl_cg_reset_attrib();
cg_active = false;
gl_cg_deinit_progs();
if (cg_shader && cg_shader->luts)
{
glDeleteTextures(cg_shader->luts, lut_textures);
memset(lut_textures, 0, sizeof(lut_textures));
}
if (state_tracker)
{
state_tracker_free(state_tracker);
state_tracker = NULL;
}
free(cg_shader);
cg_shader = NULL;
}
static void *gl_cg_init(void *data, const char *path)
{
unsigned i;
struct shader_program_info shader_prog_info;
cg_shader_data_t *cg = (cg_shader_data_t*)
calloc(1, sizeof(cg_shader_data_t));
if (!cg)
return NULL;
#ifdef HAVE_CG_RUNTIME_COMPILER
cgRTCgcInit();
#endif
cg->cgCtx = cgCreateContext();
if (!cg->cgCtx)
{
RARCH_ERR("Failed to create Cg context.\n");
goto error;
}
#ifdef RARCH_CG_DEBUG
cgGLSetDebugMode(CG_TRUE);
cgSetErrorHandler(cg_error_handler, NULL);
#endif
cg->cgFProf = cgGLGetLatestProfile(CG_GL_FRAGMENT);
cg->cgVProf = cgGLGetLatestProfile(CG_GL_VERTEX);
if (
cg->cgFProf == CG_PROFILE_UNKNOWN ||
cg->cgVProf == CG_PROFILE_UNKNOWN)
{
RARCH_ERR("Invalid profile type\n");
goto error;
}
RARCH_LOG("[Cg]: Vertex profile: %s\n", cgGetProfileString(cg->cgVProf));
RARCH_LOG("[Cg]: Fragment profile: %s\n", cgGetProfileString(cg->cgFProf));
cgGLSetOptimalOptions(cg->cgFProf);
cgGLSetOptimalOptions(cg->cgVProf);
cgGLEnableProfile(cg->cgFProf);
cgGLEnableProfile(cg->cgVProf);
memset(cg->alias_define, 0, sizeof(cg->alias_define));
if (path && string_is_equal(path_get_extension(path), "cgp"))
{
if (!gl_cg_load_preset(cg, path))
goto error;
}
else
{
if (!gl_cg_load_plain(cg, path))
goto error;
}
cg->prg[0].mvp = cgGetNamedParameter(cg->prg[0].vprg, "IN.mvp_matrix");
for (i = 1; i <= cg->shader->passes; i++)
gl_cg_set_program_attributes(cg, i);
/* If we aren't using last pass non-FBO shader,
* this shader will be assumed to be "fixed-function".
*
* Just use prg[0] for that pass, which will be
* pass-through. */
cg->prg[cg->shader->passes + 1] = cg->prg[0];
/* No need to apply Android hack in Cg. */
cg->prg[VIDEO_SHADER_STOCK_BLEND] = cg->prg[0];
gl_cg_set_shaders(cg->prg[1].fprg, cg->prg[1].vprg);
shader_prog_info.combined = stock_xmb_simple;
shader_prog_info.is_file = false;
gl_cg_compile_program(
cg,
VIDEO_SHADER_MENU,
&cg->prg[VIDEO_SHADER_MENU],
&shader_prog_info);
gl_cg_set_program_base_attrib(cg, VIDEO_SHADER_MENU);
shader_prog_info.combined = stock_xmb_simple;
shader_prog_info.is_file = false;
gl_cg_compile_program(
cg,
VIDEO_SHADER_MENU_SEC,
&cg->prg[VIDEO_SHADER_MENU_SEC],
&shader_prog_info);
gl_cg_set_program_base_attrib(cg, VIDEO_SHADER_MENU_SEC);
gl_cg_reset_attrib(cg);
return cg;
error:
gl_cg_destroy_resources(cg);
if (!cg)
free(cg);
return NULL;
}
