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/**************************************************************************
*
* Copyright 2009, VMware, Inc.
* All Rights Reserved.
*
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#include "utils.h"
#include "vblank.h"
#include "xmlpool.h"
#include "dri_context.h"
#include "dri_screen.h"
#include "pipe/p_context.h"
#include "pipe/p_screen.h"
#include "pipe/p_inlines.h"
#include "state_tracker/st_public.h"
#include "state_tracker/st_cb_fbo.h"
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
// DRI_CONF_FORCE_S3TC_ENABLE(false)
DRI_CONF_ALLOW_LARGE_TEXTURES(1)
DRI_CONF_SECTION_END DRI_CONF_END;
const uint __driNConfigOptions = 3;
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
extern const struct dri_extension card_extensions[];
static const __DRIextension *driScreenExtensions[] = {
&driReadDrawableExtension,
&driCopySubBufferExtension.base,
&driSwapControlExtension.base,
&driFrameTrackingExtension.base,
&driMediaStreamCounterExtension.base,
NULL
};
static const char *
dri_get_name( struct pipe_winsys *winsys )
{
return "dri";
}
static void
dri_destroy_screen(__DRIscreenPrivate * sPriv)
{
struct dri_screen *screen = dri_screen(sPriv);
screen->pipe_screen->destroy( screen->pipe_screen );
screen->pipe_winsys->destroy( screen->pipe_winsys );
FREE(screen);
sPriv->private = NULL;
}
/**
* Get information about previous buffer swaps.
*/
static int
dri_get_swap_info(__DRIdrawablePrivate * dPriv,
__DRIswapInfo * sInfo)
{
if (dPriv == NULL ||
dPriv->driverPrivate == NULL ||
sInfo == NULL)
return -1;
else
return 0;
}
static const __DRIconfig **
dri_fill_in_modes(__DRIscreenPrivate *psp,
unsigned pixel_bits )
{
__DRIconfig **configs;
__GLcontextModes *m;
unsigned num_modes;
uint8_t depth_bits_array[3];
uint8_t stencil_bits_array[3];
uint8_t msaa_samples_array[1];
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
GLenum fb_format;
GLenum fb_type;
int i;
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML
};
depth_bits_array[0] = 0;
depth_bits_array[1] = depth_bits;
depth_bits_array[2] = depth_bits;
stencil_bits_array[0] = 0; /* no depth or stencil */
stencil_bits_array[1] = 0; /* z24x8 */
stencil_bits_array[2] = 8; /* z24s8 */
msaa_samples_array[0] = 0;
depth_buffer_factor = 3;
back_buffer_factor = 1;
num_modes = depth_buffer_factor * back_buffer_factor * 4;
if (pixel_bits == 16) {
fb_format = GL_RGB;
fb_type = GL_UNSIGNED_SHORT_5_6_5;
}
else {
fb_format = GL_BGRA;
fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
}
configs = driCreateConfigs(fb_format, fb_type,
depth_bits_array,
stencil_bits_array, depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
msaa_samples_array, 1);
if (configs == NULL) {
debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
return NULL;
}
return configs;
}
/* This is the driver specific part of the createNewScreen entry point.
*
* Returns the __GLcontextModes supported by this driver.
*/
static const __DRIconfig **dri_init_screen(__DRIscreenPrivate *sPriv)
{
static const __DRIversion ddx_expected = { 1, 6, 0 }; /* hw query */
static const __DRIversion dri_expected = { 4, 0, 0 };
static const __DRIversion drm_expected = { 1, 5, 0 }; /* hw query */
struct dri_screen *screen;
if (!driCheckDriDdxDrmVersions2("dri",
&sPriv->dri_version, &dri_expected,
&sPriv->ddx_version, &ddx_expected,
&sPriv->drm_version, &drm_expected)) {
return NULL;
}
/* Set up dispatch table to cope with all known extensions:
*/
driInitExtensions( NULL, card_extensions, GL_FALSE );
screen = CALLOC_STRUCT(dri_screen);
if (!screen)
goto fail;
screen->sPriv = sPriv;
sPriv->private = (void *) screen;
/* Search the registered winsys' for one that likes this sPriv.
* This is required in situations where multiple devices speak to
* the same DDX and are built into the same binary.
*
* Note that cases like Intel i915 vs i965 doesn't fall into this
* category because they are built into separate binaries.
*
* Nonetheless, it's healthy to keep that level of detail out of
* this state_tracker.
*/
for (i = 0;
i < dri1_winsys_count &&
screen->st_winsys == NULL;
i++)
{
screen->dri_winsys =
dri_winsys[i]->check_dri_privates( sPriv->pDevPriv,
sPriv->pSAREA
/* versions, etc?? */));
}
driParseOptionInfo(&screen->optionCache,
__driConfigOptions,
__driNConfigOptions);
/* Plug our info back into the __DRIscreenPrivate:
*/
sPriv->private = (void *) screen;
sPriv->extensions = driScreenExtensions;
return dri_fill_in_modes(sPriv,
dri_priv->cpp * 8,
24,
8,
1);
fail:
return NULL;
}
const struct __DriverAPIRec driDriverAPI = {
.InitScreen = dri_init_screen,
.DestroyScreen = dri_destroy_screen,
.CreateContext = dri_create_context,
.DestroyContext = dri_destroy_context,
.CreateBuffer = dri_create_buffer,
.DestroyBuffer = dri_destroy_buffer,
.SwapBuffers = dri_swap_buffers,
.MakeCurrent = dri_make_current,
.UnbindContext = dri_unbind_context,
.GetSwapInfo = dri_get_swap_info,
.GetDrawableMSC = driDrawableGetMSC32,
.WaitForMSC = driWaitForMSC32,
.CopySubBuffer = dri_copy_sub_buffer,
//.InitScreen2 = dri_init_screen2,
};
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