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/*
* Mesa 3-D graphics library
* Version: 7.9
*
* Copyright (C) 2010 LunarG Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_dl.h"
#include "eglimage.h"
#include "eglmutex.h"
#include "egl_g3d.h"
#include "egl_g3d_st.h"
struct egl_g3d_st_manager {
struct st_manager base;
_EGLDisplay *display;
};
static INLINE struct egl_g3d_st_manager *
egl_g3d_st_manager(struct st_manager *smapi)
{
return (struct egl_g3d_st_manager *) smapi;
}
struct st_api *
egl_g3d_create_st_api(enum st_api_type api)
{
const char *stmod_name;
struct util_dl_library *lib;
const struct st_module *mod;
switch (api) {
case ST_API_OPENGL:
stmod_name = ST_MODULE_OPENGL_SYMBOL;
break;
case ST_API_OPENGL_ES1:
stmod_name = ST_MODULE_OPENGL_ES1_SYMBOL;
break;
case ST_API_OPENGL_ES2:
stmod_name = ST_MODULE_OPENGL_ES2_SYMBOL;
break;
case ST_API_OPENVG:
stmod_name = ST_MODULE_OPENVG_SYMBOL;
break;
default:
stmod_name = NULL;
break;
}
if (!stmod_name)
return NULL;
mod = NULL;
lib = util_dl_open(NULL);
if (lib) {
mod = (const struct st_module *)
util_dl_get_proc_address(lib, stmod_name);
util_dl_close(lib);
}
if (!mod || mod->api != api)
return NULL;
return mod->create_api();
}
struct st_manager *
egl_g3d_create_st_manager(_EGLDisplay *dpy)
{
struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
struct egl_g3d_st_manager *gsmapi;
gsmapi = CALLOC_STRUCT(egl_g3d_st_manager);
if (gsmapi) {
gsmapi->display = dpy;
gsmapi->base.screen = gdpy->native->screen;
}
return &gsmapi->base;;
}
void
egl_g3d_destroy_st_manager(struct st_manager *smapi)
{
struct egl_g3d_st_manager *gsmapi = egl_g3d_st_manager(smapi);
free(gsmapi);
}
static boolean
egl_g3d_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt)
{
_EGLSurface *surf = (_EGLSurface *) stfbi->st_manager_private;
struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
return gsurf->native->flush_frontbuffer(gsurf->native);
}
static boolean
egl_g3d_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
const enum st_attachment_type *statts,
unsigned count,
struct pipe_texture **out)
{
_EGLSurface *surf = (_EGLSurface *) stfbi->st_manager_private;
struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS];
uint attachment_mask = 0;
unsigned i;
for (i = 0; i < count; i++) {
int natt;
switch (statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
break;
case ST_ATTACHMENT_BACK_LEFT:
natt = NATIVE_ATTACHMENT_BACK_LEFT;
break;
case ST_ATTACHMENT_FRONT_RIGHT:
natt = NATIVE_ATTACHMENT_FRONT_RIGHT;
break;
case ST_ATTACHMENT_BACK_RIGHT:
natt = NATIVE_ATTACHMENT_BACK_RIGHT;
default:
natt = -1;
break;
}
if (natt >= 0)
attachment_mask |= 1 << natt;
}
if (!gsurf->native->validate(gsurf->native, attachment_mask,
&gsurf->sequence_number, textures, &gsurf->base.Width,
&gsurf->base.Height))
return FALSE;
for (i = 0; i < count; i++) {
struct pipe_texture *tex;
int natt;
switch (statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
natt = NATIVE_ATTACHMENT_FRONT_LEFT;
break;
case ST_ATTACHMENT_BACK_LEFT:
natt = NATIVE_ATTACHMENT_BACK_LEFT;
break;
case ST_ATTACHMENT_FRONT_RIGHT:
natt = NATIVE_ATTACHMENT_FRONT_RIGHT;
break;
case ST_ATTACHMENT_BACK_RIGHT:
natt = NATIVE_ATTACHMENT_BACK_RIGHT;
break;
default:
natt = -1;
break;
}
if (natt >= 0) {
tex = textures[natt];
if (statts[i] == stfbi->visual->render_buffer)
pipe_texture_reference(&gsurf->render_texture, tex);
if (attachment_mask & (1 << natt)) {
/* transfer the ownership to the caller */
out[i] = tex;
attachment_mask &= ~(1 << natt);
}
else {
/* the attachment is listed more than once */
pipe_texture_reference(&out[i], tex);
}
}
}
return TRUE;
}
struct st_framebuffer_iface *
egl_g3d_create_st_framebuffer(_EGLSurface *surf)
{
struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
struct st_framebuffer_iface *stfbi;
stfbi = CALLOC_STRUCT(st_framebuffer_iface);
if (!stfbi)
return NULL;
stfbi->visual = &gsurf->stvis;
stfbi->flush_front = egl_g3d_st_framebuffer_flush_front;
stfbi->validate = egl_g3d_st_framebuffer_validate;
stfbi->st_manager_private = (void *) &gsurf->base;
return stfbi;
}
void
egl_g3d_destroy_st_framebuffer(struct st_framebuffer_iface *stfbi)
{
free(stfbi);
}
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