/*
* Mesa 3-D graphics library
* Version: 7.9
*
* Copyright 2009, VMware, Inc.
* All Rights Reserved.
* 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:
* Keith Whitwell <keithw@vmware.com>
* Jakob Bornecrantz <wallbraker@gmail.com>
* Chia-I Wu <olv@lunarg.com>
*/
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_debug.h"
#include "state_tracker/drm_driver.h"
#include "dri_screen.h"
#include "dri_context.h"
#include "dri_drawable.h"
#include "dri2_buffer.h"
/**
* DRI2 flush extension.
*/
static void
dri2_flush_drawable(__DRIdrawable *dPriv)
{
struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv);
struct dri_drawable *drawable = dri_drawable(dPriv);
struct pipe_resource *ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
if (ctx) {
if (ptex && ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL])
pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]);
ctx->st->flush(ctx->st, 0, NULL);
}
}
static void
dri2_invalidate_drawable(__DRIdrawable *dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
dri2InvalidateDrawable(dPriv);
drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
p_atomic_inc(&drawable->base.stamp);
}
static const __DRI2flushExtension dri2FlushExtension = {
{ __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
dri2_flush_drawable,
dri2_invalidate_drawable,
};
/**
* Retrieve __DRIbuffer from the DRI loader.
*/
static __DRIbuffer *
dri2_drawable_get_buffers(struct dri_drawable *drawable,
const enum st_attachment_type *statts,
unsigned *count)
{
__DRIdrawable *dri_drawable = drawable->dPriv;
struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
boolean with_format;
__DRIbuffer *buffers;
int num_buffers;
unsigned attachments[10];
unsigned num_attachments, i;
assert(loader);
with_format = dri_with_format(drawable->sPriv);
num_attachments = 0;
/* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */
if (!with_format)
attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT;
for (i = 0; i < *count; i++) {
enum pipe_format format;
unsigned bind;
int att, depth;
dri_drawable_get_format(drawable, statts[i], &format, &bind);
if (format == PIPE_FORMAT_NONE)
continue;
switch (statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
/* already added */
if (!with_format)
continue;
att = __DRI_BUFFER_FRONT_LEFT;
break;
case ST_ATTACHMENT_BACK_LEFT:
att = __DRI_BUFFER_BACK_LEFT;
break;
case ST_ATTACHMENT_FRONT_RIGHT:
att = __DRI_BUFFER_FRONT_RIGHT;
break;
case ST_ATTACHMENT_BACK_RIGHT:
att = __DRI_BUFFER_BACK_RIGHT;
break;
case ST_ATTACHMENT_DEPTH_STENCIL:
att = __DRI_BUFFER_DEPTH_STENCIL;
break;
default:
att = -1;
break;
}
/*
* In this switch statement we must support all formats that
* may occur as the stvis->color_format or
* stvis->depth_stencil_format.
*/
switch(format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
depth = 32;
break;
case PIPE_FORMAT_B8G8R8X8_UNORM:
depth = 24;
break;
case PIPE_FORMAT_B5G6R5_UNORM:
depth = 16;
break;
case PIPE_FORMAT_Z16_UNORM:
att = __DRI_BUFFER_DEPTH;
depth = 16;
break;
case PIPE_FORMAT_Z24X8_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
att = __DRI_BUFFER_DEPTH;
depth = 24;
break;
case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
depth = 32;
break;
case PIPE_FORMAT_Z32_UNORM:
att = __DRI_BUFFER_DEPTH;
depth = 32;
break;
default:
depth = util_format_get_blocksizebits(format);
assert(!"Unexpected format in dri2_drawable_get_buffers()");
}
if (att >= 0) {
attachments[num_attachments++] = att;
if (with_format) {
attachments[num_attachments++] = depth;
}
}
}
if (with_format) {
num_attachments /= 2;
buffers = loader->getBuffersWithFormat(dri_drawable,
&dri_drawable->w, &dri_drawable->h,
attachments, num_attachments,
&num_buffers, dri_drawable->loaderPrivate);
}
else {
buffers = loader->getBuffers(dri_drawable,
&dri_drawable->w, &dri_drawable->h,
attachments, num_attachments,
&num_buffers, dri_drawable->loaderPrivate);
}
if (buffers)
*count = num_buffers;
return buffers;
}
/**
* Process __DRIbuffer and convert them into pipe_resources.
*/
static void
dri2_drawable_process_buffers(struct dri_drawable *drawable,
__DRIbuffer *buffers, unsigned count)
{
struct dri_screen *screen = dri_screen(drawable->sPriv);
__DRIdrawable *dri_drawable = drawable->dPriv;
struct pipe_resource templ;
struct winsys_handle whandle;
boolean have_depth = FALSE;
unsigned i, bind;
if (drawable->old_num == count &&
drawable->old_w == dri_drawable->w &&
drawable->old_h == dri_drawable->h &&
memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0)
return;
for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
pipe_resource_reference(&drawable->textures[i], NULL);
memset(&templ, 0, sizeof(templ));
templ.target = screen->target;
templ.last_level = 0;
templ.width0 = dri_drawable->w;
templ.height0 = dri_drawable->h;
templ.depth0 = 1;
templ.array_size = 1;
memset(&whandle, 0, sizeof(whandle));
for (i = 0; i < count; i++) {
__DRIbuffer *buf = &buffers[i];
enum st_attachment_type statt;
enum pipe_format format;
switch (buf->attachment) {
case __DRI_BUFFER_FRONT_LEFT:
if (!screen->auto_fake_front) {
statt = ST_ATTACHMENT_INVALID;
break;
}
/* fallthrough */
case __DRI_BUFFER_FAKE_FRONT_LEFT:
statt = ST_ATTACHMENT_FRONT_LEFT;
break;
case __DRI_BUFFER_BACK_LEFT:
statt = ST_ATTACHMENT_BACK_LEFT;
break;
case __DRI_BUFFER_DEPTH:
case __DRI_BUFFER_DEPTH_STENCIL:
case __DRI_BUFFER_STENCIL:
/* use only the first depth/stencil buffer */
if (!have_depth) {
have_depth = TRUE;
statt = ST_ATTACHMENT_DEPTH_STENCIL;
}
else {
statt = ST_ATTACHMENT_INVALID;
}
break;
default:
statt = ST_ATTACHMENT_INVALID;
break;
}
dri_drawable_get_format(drawable, statt, &format, &bind);
if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE)
continue;
templ.format = format;
templ.bind = bind;
whandle.handle = buf->name;
whandle.stride = buf->pitch;
drawable->textures[statt] =
screen->base.screen->resource_from_handle(screen->base.screen,
&templ, &whandle);
}
drawable->old_num = count;
drawable->old_w = dri_drawable->w;
drawable->old_h = dri_drawable->h;
memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count);
}
static __DRIbuffer *
dri2_allocate_buffer(__DRIscreen *sPriv,
unsigned attachment, unsigned format,
int width, int height)
{
struct dri_screen *screen = dri_screen(sPriv);
struct dri2_buffer *buffer;
struct pipe_resource templ;
enum pipe_format pf;
unsigned bind = 0;
struct winsys_handle whandle;
switch (attachment) {
case __DRI_BUFFER_FRONT_LEFT:
case __DRI_BUFFER_FAKE_FRONT_LEFT:
bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
break;
case __DRI_BUFFER_BACK_LEFT:
bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
break;
case __DRI_BUFFER_DEPTH:
case __DRI_BUFFER_DEPTH_STENCIL:
case __DRI_BUFFER_STENCIL:
bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
break;
}
/* because we get the handle and stride */
bind |= PIPE_BIND_SHARED;
switch (format) {
case 32:
pf = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case 24:
pf = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case 16:
pf = PIPE_FORMAT_Z16_UNORM;
break;
default:
return NULL;
}
buffer = CALLOC_STRUCT(dri2_buffer);
if (!buffer)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = bind;
templ.format = pf;
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
templ.array_size = 1;
buffer->resource =
screen->base.screen->resource_create(screen->base.screen, &templ);
if (!buffer->resource) {
FREE(buffer);
return NULL;
}
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
screen->base.screen->resource_get_handle(screen->base.screen,
buffer->resource, &whandle);
buffer->base.attachment = attachment;
buffer->base.name = whandle.handle;
buffer->base.cpp = util_format_get_blocksize(pf);
buffer->base.pitch = whandle.stride;
return &buffer->base;
}
static void
dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv)
{
struct dri2_buffer *buffer = dri2_buffer(bPriv);
pipe_resource_reference(&buffer->resource, NULL);
FREE(buffer);
}
/*
* Backend functions for st_framebuffer interface.
*/
static void
dri2_allocate_textures(struct dri_drawable *drawable,
const enum st_attachment_type *statts,
unsigned count)
{
__DRIbuffer *buffers;
unsigned num_buffers = count;
buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
if (buffers)
dri2_drawable_process_buffers(drawable, buffers, num_buffers);
}
static void
dri2_flush_frontbuffer(struct dri_drawable *drawable,
enum st_attachment_type statt)
{
__DRIdrawable *dri_drawable = drawable->dPriv;
struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader;
if (loader->flushFrontBuffer == NULL)
return;
if (statt == ST_ATTACHMENT_FRONT_LEFT) {
loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
}
}
static void
dri2_update_tex_buffer(struct dri_drawable *drawable,
struct dri_context *ctx,
struct pipe_resource *res)
{
/* no-op */
}
static __DRIimage *
dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
{
__DRIimageLookupExtension *loader = screen->sPriv->dri2.image;
__DRIimage *img;
if (!loader->lookupEGLImage)
return NULL;
img = loader->lookupEGLImage(screen->sPriv,
handle, screen->sPriv->loaderPrivate);
return img;
}
static __DRIimage *
dri2_create_image_from_name(__DRIscreen *_screen,
int width, int height, int format,
int name, int pitch, void *loaderPrivate)
{
struct dri_screen *screen = dri_screen(_screen);
__DRIimage *img;
struct pipe_resource templ;
struct winsys_handle whandle;
unsigned tex_usage;
enum pipe_format pf;
tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
pf = PIPE_FORMAT_B5G6R5_UNORM;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
pf = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
pf = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case __DRI_IMAGE_FORMAT_ABGR8888:
pf = PIPE_FORMAT_R8G8B8A8_UNORM;
break;
default:
pf = PIPE_FORMAT_NONE;
break;
}
if (pf == PIPE_FORMAT_NONE)
return NULL;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = tex_usage;
templ.format = pf;
templ.target = screen->target;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
templ.array_size = 1;
memset(&whandle, 0, sizeof(whandle));
whandle.handle = name;
whandle.stride = pitch * util_format_get_blocksize(pf);
img->texture = screen->base.screen->resource_from_handle(screen->base.screen,
&templ, &whandle);
if (!img->texture) {
FREE(img);
return NULL;
}
img->level = 0;
img->layer = 0;
img->dri_format = format;
img->loader_private = loaderPrivate;
return img;
}
static __DRIimage *
dri2_create_image_from_renderbuffer(__DRIcontext *context,
int renderbuffer, void *loaderPrivate)
{
struct dri_context *ctx = dri_context(context);
if (!ctx->st->get_resource_for_egl_image)
return NULL;
/* TODO */
return NULL;
}
static __DRIimage *
dri2_create_image(__DRIscreen *_screen,
int width, int height, int format,
unsigned int use, void *loaderPrivate)
{
struct dri_screen *screen = dri_screen(_screen);
__DRIimage *img;
struct pipe_resource templ;
unsigned tex_usage;
enum pipe_format pf;
tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
if (use & __DRI_IMAGE_USE_SCANOUT)
tex_usage |= PIPE_BIND_SCANOUT;
if (use & __DRI_IMAGE_USE_SHARE)
tex_usage |= PIPE_BIND_SHARED;
if (use & __DRI_IMAGE_USE_CURSOR) {
if (width != 64 || height != 64)
return NULL;
tex_usage |= PIPE_BIND_CURSOR;
}
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
pf = PIPE_FORMAT_B5G6R5_UNORM;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
pf = PIPE_FORMAT_B8G8R8X8_UNORM;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
pf = PIPE_FORMAT_B8G8R8A8_UNORM;
break;
case __DRI_IMAGE_FORMAT_ABGR8888:
pf = PIPE_FORMAT_R8G8B8A8_UNORM;
break;
default:
pf = PIPE_FORMAT_NONE;
break;
}
if (pf == PIPE_FORMAT_NONE)
return NULL;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = tex_usage;
templ.format = pf;
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
templ.array_size = 1;
img->texture = screen->base.screen->resource_create(screen->base.screen, &templ);
if (!img->texture) {
FREE(img);
return NULL;
}
img->level = 0;
img->layer = 0;
img->dri_format = format;
img->dri_components = 0;
img->loader_private = loaderPrivate;
return img;
}
static GLboolean
dri2_query_image(__DRIimage *image, int attrib, int *value)
{
struct winsys_handle whandle;
memset(&whandle, 0, sizeof(whandle));
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
image->texture->screen->resource_get_handle(image->texture->screen,
image->texture, &whandle);
*value = whandle.stride;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_HANDLE:
whandle.type = DRM_API_HANDLE_TYPE_KMS;
image->texture->screen->resource_get_handle(image->texture->screen,
image->texture, &whandle);
*value = whandle.handle;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_NAME:
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
image->texture->screen->resource_get_handle(image->texture->screen,
image->texture, &whandle);
*value = whandle.handle;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_FORMAT:
*value = image->dri_format;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_WIDTH:
*value = image->texture->width0;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_HEIGHT:
*value = image->texture->height0;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_COMPONENTS:
if (image->dri_components == 0)
return GL_FALSE;
*value = image->dri_components;
return GL_TRUE;
default:
return GL_FALSE;
}
}
static __DRIimage *
dri2_dup_image(__DRIimage *image, void *loaderPrivate)
{
__DRIimage *img;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
img->texture = NULL;
pipe_resource_reference(&img->texture, image->texture);
img->level = image->level;
img->layer = image->layer;
/* This should be 0 for sub images, but dup is also used for base images. */
img->dri_components = image->dri_components;
img->loader_private = loaderPrivate;
return img;
}
static GLboolean
dri2_validate_usage(__DRIimage *image, unsigned int use)
{
/*
* Gallium drivers are bad at adding usages to the resources
* once opened again in another process, which is the main use
* case for this, so we have to lie.
*/
if (image != NULL)
return GL_TRUE;
else
return GL_FALSE;
}
static __DRIimage *
dri2_from_names(__DRIscreen *screen, int width, int height, int format,
int *names, int num_names, int *strides, int *offsets,
void *loaderPrivate)
{
__DRIimage *img;
int stride, dri_components;
if (num_names != 1)
return NULL;
if (offsets[0] != 0)
return NULL;
switch(format) {
case __DRI_IMAGE_FOURCC_RGB565:
format = __DRI_IMAGE_FORMAT_RGB565;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ARGB8888:
format = __DRI_IMAGE_FORMAT_ARGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XRGB8888:
format = __DRI_IMAGE_FORMAT_XRGB8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
case __DRI_IMAGE_FOURCC_ABGR8888:
format = __DRI_IMAGE_FORMAT_ABGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGBA;
break;
case __DRI_IMAGE_FOURCC_XBGR8888:
format = __DRI_IMAGE_FORMAT_XBGR8888;
dri_components = __DRI_IMAGE_COMPONENTS_RGB;
break;
default:
return NULL;
}
/* Strides are in bytes not pixels. */
stride = strides[0] /4;
img = dri2_create_image_from_name(screen, width, height, format,
names[0], stride, loaderPrivate);
if (img == NULL)
return NULL;
img->dri_components = dri_components;
return img;
}
static __DRIimage *
dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
{
__DRIimage *img;
if (plane != 0)
return NULL;
if (image->dri_components == 0)
return NULL;
img = dri2_dup_image(image, loaderPrivate);
if (img == NULL)
return NULL;
/* set this to 0 for sub images. */
img->dri_components = 0;
return img;
}
static void
dri2_destroy_image(__DRIimage *img)
{
pipe_resource_reference(&img->texture, NULL);
FREE(img);
}
static struct __DRIimageExtensionRec dri2ImageExtension = {
{ __DRI_IMAGE, 5 },
dri2_create_image_from_name,
dri2_create_image_from_renderbuffer,
dri2_destroy_image,
dri2_create_image,
dri2_query_image,
dri2_dup_image,
dri2_validate_usage,
dri2_from_names,
dri2_from_planar,
};
/*
* Backend function init_screen.
*/
static const __DRIextension *dri_screen_extensions[] = {
&driTexBufferExtension.base,
&dri2FlushExtension.base,
&dri2ImageExtension.base,
&dri2ConfigQueryExtension.base,
NULL
};
static const __DRIextension *dri_screen_extensions_throttle[] = {
&driTexBufferExtension.base,
&dri2FlushExtension.base,
&dri2ImageExtension.base,
&dri2ConfigQueryExtension.base,
&dri2ThrottleExtension.base,
NULL
};
/**
* This is the driver specific part of the createNewScreen entry point.
*
* Returns the struct gl_config supported by this driver.
*/
static const __DRIconfig **
dri2_init_screen(__DRIscreen * sPriv)
{
const __DRIconfig **configs;
struct dri_screen *screen;
struct pipe_screen *pscreen;
const struct drm_conf_ret *throttle_ret = NULL;
screen = CALLOC_STRUCT(dri_screen);
if (!screen)
return NULL;
screen->sPriv = sPriv;
screen->fd = sPriv->fd;
sPriv->driverPrivate = (void *)screen;
pscreen = driver_descriptor.create_screen(screen->fd);
if (driver_descriptor.configuration)
throttle_ret = driver_descriptor.configuration(DRM_CONF_THROTTLE);
if (throttle_ret && throttle_ret->val.val_int != -1) {
sPriv->extensions = dri_screen_extensions_throttle;
screen->default_throttle_frames = throttle_ret->val.val_int;
} else
sPriv->extensions = dri_screen_extensions;
/* dri_init_screen_helper checks pscreen for us */
configs = dri_init_screen_helper(screen, pscreen, 32);
if (!configs)
goto fail;
sPriv->api_mask = 0;
if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK)
sPriv->api_mask |= 1 << __DRI_API_OPENGL;
if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK)
sPriv->api_mask |= 1 << __DRI_API_GLES;
if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK)
sPriv->api_mask |= 1 << __DRI_API_GLES2;
screen->auto_fake_front = dri_with_format(sPriv);
screen->broken_invalidate = !sPriv->dri2.useInvalidate;
screen->lookup_egl_image = dri2_lookup_egl_image;
return configs;
fail:
dri_destroy_screen_helper(screen);
FREE(screen);
return NULL;
}
static boolean
dri2_create_buffer(__DRIscreen * sPriv,
__DRIdrawable * dPriv,
const struct gl_config * visual, boolean isPixmap)
{
struct dri_drawable *drawable = NULL;
if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap))
return FALSE;
drawable = dPriv->driverPrivate;
drawable->allocate_textures = dri2_allocate_textures;
drawable->flush_frontbuffer = dri2_flush_frontbuffer;
drawable->update_tex_buffer = dri2_update_tex_buffer;
return TRUE;
}
/**
* DRI driver virtual function table.
*
* DRI versions differ in their implementation of init_screen and swap_buffers.
*/
const struct __DriverAPIRec driDriverAPI = {
.InitScreen = dri2_init_screen,
.DestroyScreen = dri_destroy_screen,
.CreateContext = dri_create_context,
.DestroyContext = dri_destroy_context,
.CreateBuffer = dri2_create_buffer,
.DestroyBuffer = dri_destroy_buffer,
.MakeCurrent = dri_make_current,
.UnbindContext = dri_unbind_context,
.AllocateBuffer = dri2_allocate_buffer,
.ReleaseBuffer = dri2_release_buffer,
};
/* This is the table of extensions that the loader will dlsym() for. */
PUBLIC const __DRIextension *__driDriverExtensions[] = {
&driCoreExtension.base,
&driDRI2Extension.base,
NULL
};
/* vim: set sw=3 ts=8 sts=3 expandtab: */