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android / platform / external / mesa3d / fc49f7df8920df77dfbb0163a11486494f0c7883 / . / src / gallium / state_trackers / dri / dri2.c
blob: 77523e98ffed170413405ff2274ac6fd6a3a4158 [file] [log] [blame]
/*
* Mesa 3-D graphics library
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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 <xf86drm.h>
#include <dlfcn.h>
#include <fcntl.h>
#include "GL/mesa_glinterop.h"
#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 "state_tracker/st_cb_bufferobjects.h"
#include "state_tracker/st_cb_fbo.h"
#include "state_tracker/st_cb_texture.h"
#include "state_tracker/st_texture.h"
#include "state_tracker/st_context.h"
#include "pipe-loader/pipe_loader.h"
#include "main/bufferobj.h"
#include "main/texobj.h"
#include "dri_screen.h"
#include "dri_context.h"
#include "dri_drawable.h"
#include "dri_query_renderer.h"
#include "dri2_buffer.h"
static int convert_fourcc(int format, int *dri_components_p)
{
int dri_components;
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;
case __DRI_IMAGE_FOURCC_R8:
format = __DRI_IMAGE_FORMAT_R8;
dri_components = __DRI_IMAGE_COMPONENTS_R;
break;
case __DRI_IMAGE_FOURCC_GR88:
format = __DRI_IMAGE_FORMAT_GR88;
dri_components = __DRI_IMAGE_COMPONENTS_RG;
break;
/*
* For multi-planar YUV formats, we return the format of the first
* plane only. Since there is only one caller which supports multi-
* planar YUV it gets to figure out the remaining planes on it's
* own.
*/
case __DRI_IMAGE_FOURCC_YUV420:
case __DRI_IMAGE_FOURCC_YVU420:
format = __DRI_IMAGE_FORMAT_R8;
dri_components = __DRI_IMAGE_COMPONENTS_Y_U_V;
break;
case __DRI_IMAGE_FOURCC_NV12:
format = __DRI_IMAGE_FORMAT_R8;
dri_components = __DRI_IMAGE_COMPONENTS_Y_UV;
break;
default:
return -1;
}
*dri_components_p = dri_components;
return format;
}
/* NOTE this probably isn't going to do the right thing for YUV images
* (but I think the same can be said for intel_query_image()). I think
* only needed for exporting dmabuf's, so I think I won't loose much
* sleep over it.
*/
static int convert_to_fourcc(int format)
{
switch(format) {
case __DRI_IMAGE_FORMAT_RGB565:
format = __DRI_IMAGE_FOURCC_RGB565;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
format = __DRI_IMAGE_FOURCC_ARGB8888;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
format = __DRI_IMAGE_FOURCC_XRGB8888;
break;
case __DRI_IMAGE_FORMAT_ABGR8888:
format = __DRI_IMAGE_FOURCC_ABGR8888;
break;
case __DRI_IMAGE_FORMAT_XBGR8888:
format = __DRI_IMAGE_FOURCC_XBGR8888;
break;
case __DRI_IMAGE_FORMAT_R8:
format = __DRI_IMAGE_FOURCC_R8;
break;
case __DRI_IMAGE_FORMAT_GR88:
format = __DRI_IMAGE_FOURCC_GR88;
break;
default:
return -1;
}
return format;
}
static enum pipe_format dri2_format_to_pipe_format (int format)
{
enum pipe_format pf;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
pf = PIPE_FORMAT_B5G6R5_UNORM;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
pf = PIPE_FORMAT_BGRX8888_UNORM;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
pf = PIPE_FORMAT_BGRA8888_UNORM;
break;
case __DRI_IMAGE_FORMAT_ABGR8888:
pf = PIPE_FORMAT_RGBA8888_UNORM;
break;
case __DRI_IMAGE_FORMAT_R8:
pf = PIPE_FORMAT_R8_UNORM;
break;
case __DRI_IMAGE_FORMAT_GR88:
pf = PIPE_FORMAT_RG88_UNORM;
break;
default:
pf = PIPE_FORMAT_NONE;
break;
}
return pf;
}
/**
* DRI2 flush extension.
*/
static void
dri2_flush_drawable(__DRIdrawable *dPriv)
{
dri_flush(dPriv->driContextPriv, dPriv, __DRI2_FLUSH_DRAWABLE, -1);
}
static void
dri2_invalidate_drawable(__DRIdrawable *dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
dri2InvalidateDrawable(dPriv);
drawable->dPriv->lastStamp = drawable->dPriv->dri2.stamp;
drawable->texture_mask = 0;
p_atomic_inc(&drawable->base.stamp);
}
static const __DRI2flushExtension dri2FlushExtension = {
.base = { __DRI2_FLUSH, 4 },
.flush = dri2_flush_drawable,
.invalidate = dri2_invalidate_drawable,
.flush_with_flags = dri_flush,
};
/**
* Retrieve __DRIbuffer from the DRI loader.
*/
static __DRIbuffer *
dri2_drawable_get_buffers(struct dri_drawable *drawable,
const enum st_attachment_type *atts,
unsigned *count)
{
__DRIdrawable *dri_drawable = drawable->dPriv;
const __DRIdri2LoaderExtension *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, atts[i], &format, &bind);
if (format == PIPE_FORMAT_NONE)
continue;
switch (atts[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;
default:
continue;
}
/*
* In this switch statement we must support all formats that
* may occur as the stvis->color_format.
*/
switch(format) {
case PIPE_FORMAT_BGRA8888_UNORM:
depth = 32;
break;
case PIPE_FORMAT_BGRX8888_UNORM:
depth = 24;
break;
case PIPE_FORMAT_B5G6R5_UNORM:
depth = 16;
break;
default:
depth = util_format_get_blocksizebits(format);
assert(!"Unexpected format in dri2_drawable_get_buffers()");
}
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;
}
static bool
dri_image_drawable_get_buffers(struct dri_drawable *drawable,
struct __DRIimageList *images,
const enum st_attachment_type *statts,
unsigned statts_count)
{
__DRIdrawable *dPriv = drawable->dPriv;
__DRIscreen *sPriv = drawable->sPriv;
unsigned int image_format = __DRI_IMAGE_FORMAT_NONE;
enum pipe_format pf;
uint32_t buffer_mask = 0;
unsigned i, bind;
for (i = 0; i < statts_count; i++) {
dri_drawable_get_format(drawable, statts[i], &pf, &bind);
if (pf == PIPE_FORMAT_NONE)
continue;
switch (statts[i]) {
case ST_ATTACHMENT_FRONT_LEFT:
buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
break;
case ST_ATTACHMENT_BACK_LEFT:
buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
break;
default:
continue;
}
switch (pf) {
case PIPE_FORMAT_B5G6R5_UNORM:
image_format = __DRI_IMAGE_FORMAT_RGB565;
break;
case PIPE_FORMAT_BGRX8888_UNORM:
image_format = __DRI_IMAGE_FORMAT_XRGB8888;
break;
case PIPE_FORMAT_BGRA8888_UNORM:
image_format = __DRI_IMAGE_FORMAT_ARGB8888;
break;
case PIPE_FORMAT_RGBA8888_UNORM:
image_format = __DRI_IMAGE_FORMAT_ABGR8888;
break;
default:
image_format = __DRI_IMAGE_FORMAT_NONE;
break;
}
}
return (*sPriv->image.loader->getBuffers) (dPriv, image_format,
(uint32_t *) &drawable->base.stamp,
dPriv->loaderPrivate, buffer_mask,
images);
}
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_BGRA8888_UNORM;
break;
case 24:
pf = PIPE_FORMAT_BGRX8888_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));
if (screen->can_share_buffer)
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
else
whandle.type = DRM_API_HANDLE_TYPE_KMS;
screen->base.screen->resource_get_handle(screen->base.screen, NULL,
buffer->resource, &whandle,
PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ);
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_context *ctx,
struct dri_drawable *drawable,
const enum st_attachment_type *statts,
unsigned statts_count)
{
__DRIscreen *sPriv = drawable->sPriv;
__DRIdrawable *dri_drawable = drawable->dPriv;
struct dri_screen *screen = dri_screen(sPriv);
struct pipe_resource templ;
boolean alloc_depthstencil = FALSE;
unsigned i, j, bind;
const __DRIimageLoaderExtension *image = sPriv->image.loader;
/* Image specific variables */
struct __DRIimageList images;
/* Dri2 specific variables */
__DRIbuffer *buffers = NULL;
struct winsys_handle whandle;
unsigned num_buffers = statts_count;
/* First get the buffers from the loader */
if (image) {
if (!dri_image_drawable_get_buffers(drawable, &images,
statts, statts_count))
return;
}
else {
buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers);
if (!buffers || (drawable->old_num == num_buffers &&
drawable->old_w == dri_drawable->w &&
drawable->old_h == dri_drawable->h &&
memcmp(drawable->old, buffers,
sizeof(__DRIbuffer) * num_buffers) == 0))
return;
}
/* Second clean useless resources*/
/* See if we need a depth-stencil buffer. */
for (i = 0; i < statts_count; i++) {
if (statts[i] == ST_ATTACHMENT_DEPTH_STENCIL) {
alloc_depthstencil = TRUE;
break;
}
}
/* Delete the resources we won't need. */
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
/* Don't delete the depth-stencil buffer, we can reuse it. */
if (i == ST_ATTACHMENT_DEPTH_STENCIL && alloc_depthstencil)
continue;
/* Flush the texture before unreferencing, so that other clients can
* see what the driver has rendered.
*/
if (i != ST_ATTACHMENT_DEPTH_STENCIL && drawable->textures[i]) {
struct pipe_context *pipe = ctx->st->pipe;
pipe->flush_resource(pipe, drawable->textures[i]);
}
pipe_resource_reference(&drawable->textures[i], NULL);
}
if (drawable->stvis.samples > 1) {
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
boolean del = TRUE;
/* Don't delete MSAA resources for the attachments which are enabled,
* we can reuse them. */
for (j = 0; j < statts_count; j++) {
if (i == statts[j]) {
del = FALSE;
break;
}
}
if (del) {
pipe_resource_reference(&drawable->msaa_textures[i], NULL);
}
}
}
/* Third use the buffers retrieved to fill the drawable info */
memset(&templ, 0, sizeof(templ));
templ.target = screen->target;
templ.last_level = 0;
templ.depth0 = 1;
templ.array_size = 1;
if (image) {
if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) {
struct pipe_resource **buf =
&drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
struct pipe_resource *texture = images.front->texture;
dri_drawable->w = texture->width0;
dri_drawable->h = texture->height0;
pipe_resource_reference(buf, texture);
}
if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) {
struct pipe_resource **buf =
&drawable->textures[ST_ATTACHMENT_BACK_LEFT];
struct pipe_resource *texture = images.back->texture;
dri_drawable->w = texture->width0;
dri_drawable->h = texture->height0;
pipe_resource_reference(buf, texture);
}
/* Note: if there is both a back and a front buffer,
* then they have the same size.
*/
templ.width0 = dri_drawable->w;
templ.height0 = dri_drawable->h;
}
else {
memset(&whandle, 0, sizeof(whandle));
/* Process DRI-provided buffers and get pipe_resources. */
for (i = 0; i < num_buffers; 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) {
continue; /* invalid attachment */
}
/* fallthrough */
case __DRI_BUFFER_FAKE_FRONT_LEFT:
statt = ST_ATTACHMENT_FRONT_LEFT;
break;
case __DRI_BUFFER_BACK_LEFT:
statt = ST_ATTACHMENT_BACK_LEFT;
break;
default:
continue; /* invalid attachment */
}
dri_drawable_get_format(drawable, statt, &format, &bind);
if (format == PIPE_FORMAT_NONE)
continue;
/* dri2_drawable_get_buffers has already filled dri_drawable->w
* and dri_drawable->h */
templ.width0 = dri_drawable->w;
templ.height0 = dri_drawable->h;
templ.format = format;
templ.bind = bind;
whandle.handle = buf->name;
whandle.stride = buf->pitch;
whandle.offset = 0;
if (screen->can_share_buffer)
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
else
whandle.type = DRM_API_HANDLE_TYPE_KMS;
drawable->textures[statt] =
screen->base.screen->resource_from_handle(screen->base.screen,
&templ, &whandle,
PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ);
assert(drawable->textures[statt]);
}
}
/* Allocate private MSAA colorbuffers. */
if (drawable->stvis.samples > 1) {
for (i = 0; i < statts_count; i++) {
enum st_attachment_type statt = statts[i];
if (statt == ST_ATTACHMENT_DEPTH_STENCIL)
continue;
if (drawable->textures[statt]) {
templ.format = drawable->textures[statt]->format;
templ.bind = drawable->textures[statt]->bind & ~PIPE_BIND_SCANOUT;
templ.nr_samples = drawable->stvis.samples;
/* Try to reuse the resource.
* (the other resource parameters should be constant)
*/
if (!drawable->msaa_textures[statt] ||
drawable->msaa_textures[statt]->width0 != templ.width0 ||
drawable->msaa_textures[statt]->height0 != templ.height0) {
/* Allocate a new one. */
pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
drawable->msaa_textures[statt] =
screen->base.screen->resource_create(screen->base.screen,
&templ);
assert(drawable->msaa_textures[statt]);
/* If there are any MSAA resources, we should initialize them
* such that they contain the same data as the single-sample
* resources we just got from the X server.
*
* The reason for this is that the state tracker (and
* therefore the app) can access the MSAA resources only.
* The single-sample resources are not exposed
* to the state tracker.
*
*/
dri_pipe_blit(ctx->st->pipe,
drawable->msaa_textures[statt],
drawable->textures[statt]);
}
}
else {
pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
}
}
}
/* Allocate a private depth-stencil buffer. */
if (alloc_depthstencil) {
enum st_attachment_type statt = ST_ATTACHMENT_DEPTH_STENCIL;
struct pipe_resource **zsbuf;
enum pipe_format format;
unsigned bind;
dri_drawable_get_format(drawable, statt, &format, &bind);
if (format) {
templ.format = format;
templ.bind = bind;
if (drawable->stvis.samples > 1) {
templ.nr_samples = drawable->stvis.samples;
zsbuf = &drawable->msaa_textures[statt];
}
else {
templ.nr_samples = 0;
zsbuf = &drawable->textures[statt];
}
/* Try to reuse the resource.
* (the other resource parameters should be constant)
*/
if (!*zsbuf ||
(*zsbuf)->width0 != templ.width0 ||
(*zsbuf)->height0 != templ.height0) {
/* Allocate a new one. */
pipe_resource_reference(zsbuf, NULL);
*zsbuf = screen->base.screen->resource_create(screen->base.screen,
&templ);
assert(*zsbuf);
}
}
else {
pipe_resource_reference(&drawable->msaa_textures[statt], NULL);
pipe_resource_reference(&drawable->textures[statt], NULL);
}
}
/* For DRI2, we may get the same buffers again from the server.
* To prevent useless imports of gem names, drawable->old* is used
* to bypass the import if we get the same buffers. This doesn't apply
* to DRI3/Wayland, users of image.loader, since the buffer is managed
* by the client (no import), and the back buffer is going to change
* at every redraw.
*/
if (!image) {
drawable->old_num = num_buffers;
drawable->old_w = dri_drawable->w;
drawable->old_h = dri_drawable->h;
memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers);
}
}
static void
dri2_flush_frontbuffer(struct dri_context *ctx,
struct dri_drawable *drawable,
enum st_attachment_type statt)
{
__DRIdrawable *dri_drawable = drawable->dPriv;
const __DRIimageLoaderExtension *image = drawable->sPriv->image.loader;
const __DRIdri2LoaderExtension *loader = drawable->sPriv->dri2.loader;
struct pipe_context *pipe = ctx->st->pipe;
if (statt != ST_ATTACHMENT_FRONT_LEFT)
return;
if (drawable->stvis.samples > 1) {
/* Resolve the front buffer. */
dri_pipe_blit(ctx->st->pipe,
drawable->textures[ST_ATTACHMENT_FRONT_LEFT],
drawable->msaa_textures[ST_ATTACHMENT_FRONT_LEFT]);
}
if (drawable->textures[ST_ATTACHMENT_FRONT_LEFT]) {
pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_FRONT_LEFT]);
}
pipe->flush(pipe, NULL, 0);
if (image) {
image->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate);
}
else if (loader->flushFrontBuffer) {
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)
{
const __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_winsys(__DRIscreen *_screen,
int width, int height, int format,
int num_handles, struct winsys_handle *whandle,
void *loaderPrivate)
{
struct dri_screen *screen = dri_screen(_screen);
struct pipe_screen *pscreen = screen->base.screen;
__DRIimage *img;
struct pipe_resource templ;
unsigned tex_usage;
enum pipe_format pf;
int i;
tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
pf = dri2_format_to_pipe_format (format);
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.target = screen->target;
templ.last_level = 0;
templ.depth0 = 1;
templ.array_size = 1;
for (i = num_handles - 1; i >= 0; i--) {
struct pipe_resource *tex;
/* TODO: something a lot less ugly */
switch (i) {
case 0:
templ.width0 = width;
templ.height0 = height;
templ.format = pf;
break;
case 1:
templ.width0 = width / 2;
templ.height0 = height / 2;
templ.format = (num_handles == 2) ?
PIPE_FORMAT_RG88_UNORM : /* NV12, etc */
PIPE_FORMAT_R8_UNORM; /* I420, etc */
break;
case 2:
templ.width0 = width / 2;
templ.height0 = height / 2;
templ.format = PIPE_FORMAT_R8_UNORM;
break;
default:
unreachable("too many planes!");
}
tex = pscreen->resource_from_handle(pscreen,
&templ, &whandle[i], PIPE_HANDLE_USAGE_READ_WRITE);
if (!tex) {
pipe_resource_reference(&img->texture, NULL);
FREE(img);
return NULL;
}
tex->next = img->texture;
img->texture = tex;
}
img->level = 0;
img->layer = 0;
img->dri_format = format;
img->use = 0;
img->loader_private = 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 winsys_handle whandle;
enum pipe_format pf;
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
whandle.handle = name;
pf = dri2_format_to_pipe_format (format);
if (pf == PIPE_FORMAT_NONE)
return NULL;
whandle.stride = pitch * util_format_get_blocksize(pf);
return dri2_create_image_from_winsys(_screen, width, height, format,
1, &whandle, loaderPrivate);
}
static __DRIimage *
dri2_create_image_from_fd(__DRIscreen *_screen,
int width, int height, int fourcc,
int *fds, int num_fds, int *strides,
int *offsets, unsigned *error,
int *dri_components, void *loaderPrivate)
{
struct winsys_handle whandles[3];
int format;
__DRIimage *img = NULL;
unsigned err = __DRI_IMAGE_ERROR_SUCCESS;
int expected_num_fds, i;
switch (fourcc) {
case __DRI_IMAGE_FOURCC_YUV420:
case __DRI_IMAGE_FOURCC_YVU420:
expected_num_fds = 3;
break;
case __DRI_IMAGE_FOURCC_NV12:
expected_num_fds = 2;
break;
default:
expected_num_fds = 1;
break;
}
if (num_fds != expected_num_fds) {
err = __DRI_IMAGE_ERROR_BAD_MATCH;
goto exit;
}
format = convert_fourcc(fourcc, dri_components);
if (format == -1) {
err = __DRI_IMAGE_ERROR_BAD_MATCH;
goto exit;
}
memset(whandles, 0, sizeof(whandles));
for (i = 0; i < num_fds; i++) {
if (fds[i] < 0) {
err = __DRI_IMAGE_ERROR_BAD_ALLOC;
goto exit;
}
whandles[i].type = DRM_API_HANDLE_TYPE_FD;
whandles[i].handle = (unsigned)fds[i];
whandles[i].stride = (unsigned)strides[i];
whandles[i].offset = (unsigned)offsets[i];
}
if (fourcc == __DRI_IMAGE_FOURCC_YVU420) {
/* convert to YUV420 by swapping 2nd and 3rd planes: */
struct winsys_handle tmp = whandles[1];
whandles[1] = whandles[2];
whandles[2] = tmp;
fourcc = __DRI_IMAGE_FOURCC_YUV420;
}
img = dri2_create_image_from_winsys(_screen, width, height, format,
num_fds, whandles, loaderPrivate);
if(img == NULL)
err = __DRI_IMAGE_ERROR_BAD_ALLOC;
exit:
if (error)
*error = err;
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_LINEAR)
tex_usage |= PIPE_BIND_LINEAR;
if (use & __DRI_IMAGE_USE_CURSOR) {
if (width != 64 || height != 64)
return NULL;
tex_usage |= PIPE_BIND_CURSOR;
}
pf = dri2_format_to_pipe_format (format);
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->use = use;
img->loader_private = loaderPrivate;
return img;
}
static GLboolean
dri2_query_image(__DRIimage *image, int attrib, int *value)
{
struct winsys_handle whandle;
unsigned usage;
if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
usage = PIPE_HANDLE_USAGE_EXPLICIT_FLUSH | PIPE_HANDLE_USAGE_READ;
else
usage = PIPE_HANDLE_USAGE_READ_WRITE;
memset(&whandle, 0, sizeof(whandle));
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
whandle.type = DRM_API_HANDLE_TYPE_KMS;
image->texture->screen->resource_get_handle(image->texture->screen,
NULL, image->texture, &whandle, usage);
*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,
NULL, image->texture, &whandle, usage);
*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,
NULL, image->texture, &whandle, usage);
*value = whandle.handle;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_FD:
whandle.type= DRM_API_HANDLE_TYPE_FD;
if (!image->texture->screen->resource_get_handle(image->texture->screen,
NULL, image->texture, &whandle, usage))
return GL_FALSE;
*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;
case __DRI_IMAGE_ATTRIB_FOURCC:
*value = convert_to_fourcc(image->dri_format);
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
*value = 1;
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;
img->dri_format = image->dri_format;
/* 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 dri_components;
struct winsys_handle whandle;
if (num_names != 1)
return NULL;
format = convert_fourcc(format, &dri_components);
if (format == -1)
return NULL;
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_SHARED;
whandle.handle = names[0];
whandle.stride = strides[0];
whandle.offset = offsets[0];
img = dri2_create_image_from_winsys(screen, width, height, format,
1, &whandle, 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 __DRIimage *
dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
int depth, int level, unsigned *error,
void *loaderPrivate)
{
__DRIimage *img;
struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx;
struct gl_texture_object *obj;
struct pipe_resource *tex;
GLuint face = 0;
obj = _mesa_lookup_texture(ctx, texture);
if (!obj || obj->Target != target) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
tex = st_get_texobj_resource(obj);
if (!tex) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (target == GL_TEXTURE_CUBE_MAP)
face = depth;
_mesa_test_texobj_completeness(ctx, obj);
if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (level < obj->BaseLevel || level > obj->_MaxLevel) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
img = CALLOC_STRUCT(__DRIimageRec);
if (!img) {
*error = __DRI_IMAGE_ERROR_BAD_ALLOC;
return NULL;
}
img->level = level;
img->layer = depth;
img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat);
img->loader_private = loaderPrivate;
if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
free(img);
return NULL;
}
pipe_resource_reference(&img->texture, tex);
*error = __DRI_IMAGE_ERROR_SUCCESS;
return img;
}
static __DRIimage *
dri2_from_fds(__DRIscreen *screen, int width, int height, int fourcc,
int *fds, int num_fds, int *strides, int *offsets,
void *loaderPrivate)
{
__DRIimage *img;
int dri_components;
img = dri2_create_image_from_fd(screen, width, height, fourcc,
fds, num_fds, strides, offsets, NULL,
&dri_components, loaderPrivate);
if (img == NULL)
return NULL;
img->dri_components = dri_components;
return img;
}
static __DRIimage *
dri2_from_dma_bufs(__DRIscreen *screen,
int width, int height, int fourcc,
int *fds, int num_fds,
int *strides, int *offsets,
enum __DRIYUVColorSpace yuv_color_space,
enum __DRISampleRange sample_range,
enum __DRIChromaSiting horizontal_siting,
enum __DRIChromaSiting vertical_siting,
unsigned *error,
void *loaderPrivate)
{
__DRIimage *img;
int dri_components;
img = dri2_create_image_from_fd(screen, width, height, fourcc,
fds, num_fds, strides, offsets, error,
&dri_components, loaderPrivate);
if (img == NULL)
return NULL;
img->yuv_color_space = yuv_color_space;
img->sample_range = sample_range;
img->horizontal_siting = horizontal_siting;
img->vertical_siting = vertical_siting;
img->dri_components = dri_components;
*error = __DRI_IMAGE_ERROR_SUCCESS;
return img;
}
static void
dri2_blit_image(__DRIcontext *context, __DRIimage *dst, __DRIimage *src,
int dstx0, int dsty0, int dstwidth, int dstheight,
int srcx0, int srcy0, int srcwidth, int srcheight,
int flush_flag)
{
struct dri_context *ctx = dri_context(context);
struct pipe_context *pipe = ctx->st->pipe;
struct pipe_screen *screen;
struct pipe_fence_handle *fence;
struct pipe_blit_info blit;
if (!dst || !src)
return;
memset(&blit, 0, sizeof(blit));
blit.dst.resource = dst->texture;
blit.dst.box.x = dstx0;
blit.dst.box.y = dsty0;
blit.dst.box.width = dstwidth;
blit.dst.box.height = dstheight;
blit.dst.box.depth = 1;
blit.dst.format = dst->texture->format;
blit.src.resource = src->texture;
blit.src.box.x = srcx0;
blit.src.box.y = srcy0;
blit.src.box.width = srcwidth;
blit.src.box.height = srcheight;
blit.src.box.depth = 1;
blit.src.format = src->texture->format;
blit.mask = PIPE_MASK_RGBA;
blit.filter = PIPE_TEX_FILTER_NEAREST;
pipe->blit(pipe, &blit);
if (flush_flag == __BLIT_FLAG_FLUSH) {
pipe->flush_resource(pipe, dst->texture);
ctx->st->flush(ctx->st, 0, NULL);
} else if (flush_flag == __BLIT_FLAG_FINISH) {
screen = dri_screen(ctx->sPriv)->base.screen;
pipe->flush_resource(pipe, dst->texture);
ctx->st->flush(ctx->st, 0, &fence);
(void) screen->fence_finish(screen, NULL, fence, PIPE_TIMEOUT_INFINITE);
screen->fence_reference(screen, &fence, NULL);
}
}
static void *
dri2_map_image(__DRIcontext *context, __DRIimage *image,
int x0, int y0, int width, int height,
unsigned int flags, int *stride, void **data)
{
struct dri_context *ctx = dri_context(context);
struct pipe_context *pipe = ctx->st->pipe;
enum pipe_transfer_usage pipe_access = 0;
struct pipe_transfer *trans;
void *map;
if (!image || !data || *data)
return NULL;
if (flags & __DRI_IMAGE_TRANSFER_READ)
pipe_access |= PIPE_TRANSFER_READ;
if (flags & __DRI_IMAGE_TRANSFER_WRITE)
pipe_access |= PIPE_TRANSFER_WRITE;
map = pipe_transfer_map(pipe, image->texture,
0, 0, pipe_access, x0, y0, width, height,
&trans);
if (map) {
*data = trans;
*stride = trans->stride;
}
return map;
}
static void
dri2_unmap_image(__DRIcontext *context, __DRIimage *image, void *data)
{
struct dri_context *ctx = dri_context(context);
struct pipe_context *pipe = ctx->st->pipe;
pipe_transfer_unmap(pipe, (struct pipe_transfer *)data);
}
static void
dri2_destroy_image(__DRIimage *img)
{
pipe_resource_reference(&img->texture, NULL);
FREE(img);
}
static int
dri2_get_capabilities(__DRIscreen *_screen)
{
struct dri_screen *screen = dri_screen(_screen);
return (screen->can_share_buffer ? __DRI_IMAGE_CAP_GLOBAL_NAMES : 0);
}
/* The extension is modified during runtime if DRI_PRIME is detected */
static __DRIimageExtension dri2ImageExtension = {
.base = { __DRI_IMAGE, 12 },
.createImageFromName = dri2_create_image_from_name,
.createImageFromRenderbuffer = dri2_create_image_from_renderbuffer,
.destroyImage = dri2_destroy_image,
.createImage = dri2_create_image,
.queryImage = dri2_query_image,
.dupImage = dri2_dup_image,
.validateUsage = dri2_validate_usage,
.createImageFromNames = dri2_from_names,
.fromPlanar = dri2_from_planar,
.createImageFromTexture = dri2_create_from_texture,
.createImageFromFds = NULL,
.createImageFromDmaBufs = NULL,
.blitImage = dri2_blit_image,
.getCapabilities = dri2_get_capabilities,
.mapImage = dri2_map_image,
.unmapImage = dri2_unmap_image,
};
static bool
dri2_is_opencl_interop_loaded_locked(struct dri_screen *screen)
{
return screen->opencl_dri_event_add_ref &&
screen->opencl_dri_event_release &&
screen->opencl_dri_event_wait &&
screen->opencl_dri_event_get_fence;
}
static bool
dri2_load_opencl_interop(struct dri_screen *screen)
{
#if defined(RTLD_DEFAULT)
bool success;
pipe_mutex_lock(screen->opencl_func_mutex);
if (dri2_is_opencl_interop_loaded_locked(screen)) {
pipe_mutex_unlock(screen->opencl_func_mutex);
return true;
}
screen->opencl_dri_event_add_ref =
dlsym(RTLD_DEFAULT, "opencl_dri_event_add_ref");
screen->opencl_dri_event_release =
dlsym(RTLD_DEFAULT, "opencl_dri_event_release");
screen->opencl_dri_event_wait =
dlsym(RTLD_DEFAULT, "opencl_dri_event_wait");
screen->opencl_dri_event_get_fence =
dlsym(RTLD_DEFAULT, "opencl_dri_event_get_fence");
success = dri2_is_opencl_interop_loaded_locked(screen);
pipe_mutex_unlock(screen->opencl_func_mutex);
return success;
#else
return false;
#endif
}
struct dri2_fence {
struct dri_screen *driscreen;
struct pipe_fence_handle *pipe_fence;
void *cl_event;
};
static unsigned dri2_fence_get_caps(__DRIscreen *_screen)
{
struct dri_screen *driscreen = dri_screen(_screen);
struct pipe_screen *screen = driscreen->base.screen;
unsigned caps = 0;
if (screen->get_param(screen, PIPE_CAP_NATIVE_FENCE_FD))
caps |= __DRI_FENCE_CAP_NATIVE_FD;
return caps;
}
static void *
dri2_create_fence(__DRIcontext *_ctx)
{
struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
struct dri2_fence *fence = CALLOC_STRUCT(dri2_fence);
if (!fence)
return NULL;
ctx->flush(ctx, &fence->pipe_fence, 0);
if (!fence->pipe_fence) {
FREE(fence);
return NULL;
}
fence->driscreen = dri_screen(_ctx->driScreenPriv);
return fence;
}
static void *
dri2_create_fence_fd(__DRIcontext *_ctx, int fd)
{
struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
struct dri2_fence *fence = CALLOC_STRUCT(dri2_fence);
if (fd == -1) {
/* exporting driver created fence, flush: */
ctx->flush(ctx, &fence->pipe_fence,
PIPE_FLUSH_DEFERRED | PIPE_FLUSH_FENCE_FD);
} else {
/* importing a foreign fence fd: */
ctx->create_fence_fd(ctx, &fence->pipe_fence, fd);
}
if (!fence->pipe_fence) {
FREE(fence);
return NULL;
}
fence->driscreen = dri_screen(_ctx->driScreenPriv);
return fence;
}
static int
dri2_get_fence_fd(__DRIscreen *_screen, void *_fence)
{
struct dri_screen *driscreen = dri_screen(_screen);
struct pipe_screen *screen = driscreen->base.screen;
struct dri2_fence *fence = (struct dri2_fence*)_fence;
return screen->fence_get_fd(screen, fence->pipe_fence);
}
static void *
dri2_get_fence_from_cl_event(__DRIscreen *_screen, intptr_t cl_event)
{
struct dri_screen *driscreen = dri_screen(_screen);
struct dri2_fence *fence;
if (!dri2_load_opencl_interop(driscreen))
return NULL;
fence = CALLOC_STRUCT(dri2_fence);
if (!fence)
return NULL;
fence->cl_event = (void*)cl_event;
if (!driscreen->opencl_dri_event_add_ref(fence->cl_event)) {
free(fence);
return NULL;
}
fence->driscreen = driscreen;
return fence;
}
static void
dri2_destroy_fence(__DRIscreen *_screen, void *_fence)
{
struct dri_screen *driscreen = dri_screen(_screen);
struct pipe_screen *screen = driscreen->base.screen;
struct dri2_fence *fence = (struct dri2_fence*)_fence;
if (fence->pipe_fence)
screen->fence_reference(screen, &fence->pipe_fence, NULL);
else if (fence->cl_event)
driscreen->opencl_dri_event_release(fence->cl_event);
else
assert(0);
FREE(fence);
}
static GLboolean
dri2_client_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags,
uint64_t timeout)
{
struct dri2_fence *fence = (struct dri2_fence*)_fence;
struct dri_screen *driscreen = fence->driscreen;
struct pipe_screen *screen = driscreen->base.screen;
/* No need to flush. The context was flushed when the fence was created. */
if (fence->pipe_fence)
return screen->fence_finish(screen, NULL, fence->pipe_fence, timeout);
else if (fence->cl_event) {
struct pipe_fence_handle *pipe_fence =
driscreen->opencl_dri_event_get_fence(fence->cl_event);
if (pipe_fence)
return screen->fence_finish(screen, NULL, pipe_fence, timeout);
else
return driscreen->opencl_dri_event_wait(fence->cl_event, timeout);
}
else {
assert(0);
return false;
}
}
static void
dri2_server_wait_sync(__DRIcontext *_ctx, void *_fence, unsigned flags)
{
struct pipe_context *ctx = dri_context(_ctx)->st->pipe;
struct dri2_fence *fence = (struct dri2_fence*)_fence;
if (ctx->fence_server_sync)
ctx->fence_server_sync(ctx, fence->pipe_fence);
}
static __DRI2fenceExtension dri2FenceExtension = {
.base = { __DRI2_FENCE, 2 },
.create_fence = dri2_create_fence,
.get_fence_from_cl_event = dri2_get_fence_from_cl_event,
.destroy_fence = dri2_destroy_fence,
.client_wait_sync = dri2_client_wait_sync,
.server_wait_sync = dri2_server_wait_sync,
.get_capabilities = dri2_fence_get_caps,
.create_fence_fd = dri2_create_fence_fd,
.get_fence_fd = dri2_get_fence_fd,
};
static const __DRIrobustnessExtension dri2Robustness = {
.base = { __DRI2_ROBUSTNESS, 1 }
};
static int
dri2_interop_query_device_info(__DRIcontext *_ctx,
struct mesa_glinterop_device_info *out)
{
struct pipe_screen *screen = dri_context(_ctx)->st->pipe->screen;
/* There is no version 0, thus we do not support it */
if (out->version == 0)
return MESA_GLINTEROP_INVALID_VERSION;
out->pci_segment_group = screen->get_param(screen, PIPE_CAP_PCI_GROUP);
out->pci_bus = screen->get_param(screen, PIPE_CAP_PCI_BUS);
out->pci_device = screen->get_param(screen, PIPE_CAP_PCI_DEVICE);
out->pci_function = screen->get_param(screen, PIPE_CAP_PCI_FUNCTION);
out->vendor_id = screen->get_param(screen, PIPE_CAP_VENDOR_ID);
out->device_id = screen->get_param(screen, PIPE_CAP_DEVICE_ID);
/* Instruct the caller that we support up-to version one of the interface */
out->version = 1;
return MESA_GLINTEROP_SUCCESS;
}
static int
dri2_interop_export_object(__DRIcontext *_ctx,
struct mesa_glinterop_export_in *in,
struct mesa_glinterop_export_out *out)
{
struct st_context_iface *st = dri_context(_ctx)->st;
struct pipe_screen *screen = st->pipe->screen;
struct gl_context *ctx = ((struct st_context *)st)->ctx;
struct pipe_resource *res = NULL;
struct winsys_handle whandle;
unsigned target, usage;
boolean success;
/* There is no version 0, thus we do not support it */
if (in->version == 0 || out->version == 0)
return MESA_GLINTEROP_INVALID_VERSION;
/* Validate the target. */
switch (in->target) {
case GL_TEXTURE_BUFFER:
case GL_TEXTURE_1D:
case GL_TEXTURE_2D:
case GL_TEXTURE_3D:
case GL_TEXTURE_RECTANGLE:
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_CUBE_MAP_ARRAY:
case GL_TEXTURE_CUBE_MAP:
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
case GL_TEXTURE_EXTERNAL_OES:
case GL_RENDERBUFFER:
case GL_ARRAY_BUFFER:
target = in->target;
break;
case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
target = GL_TEXTURE_CUBE_MAP;
break;
default:
return MESA_GLINTEROP_INVALID_TARGET;
}
/* Validate the simple case of miplevel. */
if ((target == GL_RENDERBUFFER || target == GL_ARRAY_BUFFER) &&
in->miplevel != 0)
return MESA_GLINTEROP_INVALID_MIP_LEVEL;
/* Validate the OpenGL object and get pipe_resource. */
mtx_lock(&ctx->Shared->Mutex);
if (target == GL_ARRAY_BUFFER) {
/* Buffer objects.
*
* The error checking is based on the documentation of
* clCreateFromGLBuffer from OpenCL 2.0 SDK.
*/
struct gl_buffer_object *buf = _mesa_lookup_bufferobj(ctx, in->obj);
/* From OpenCL 2.0 SDK, clCreateFromGLBuffer:
* "CL_INVALID_GL_OBJECT if bufobj is not a GL buffer object or is
* a GL buffer object but does not have an existing data store or
* the size of the buffer is 0."
*/
if (!buf || buf->Size == 0) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OBJECT;
}
res = st_buffer_object(buf)->buffer;
if (!res) {
/* this shouldn't happen */
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OBJECT;
}
out->buf_offset = 0;
out->buf_size = buf->Size;
buf->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
} else if (target == GL_RENDERBUFFER) {
/* Renderbuffers.
*
* The error checking is based on the documentation of
* clCreateFromGLRenderbuffer from OpenCL 2.0 SDK.
*/
struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, in->obj);
/* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
* "CL_INVALID_GL_OBJECT if renderbuffer is not a GL renderbuffer
* object or if the width or height of renderbuffer is zero."
*/
if (!rb || rb->Width == 0 || rb->Height == 0) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OBJECT;
}
/* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
* "CL_INVALID_OPERATION if renderbuffer is a multi-sample GL
* renderbuffer object."
*/
if (rb->NumSamples > 1) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OPERATION;
}
/* From OpenCL 2.0 SDK, clCreateFromGLRenderbuffer:
* "CL_OUT_OF_RESOURCES if there is a failure to allocate resources
* required by the OpenCL implementation on the device."
*/
res = st_renderbuffer(rb)->texture;
if (!res) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_OUT_OF_RESOURCES;
}
out->internal_format = rb->InternalFormat;
out->view_minlevel = 0;
out->view_numlevels = 1;
out->view_minlayer = 0;
out->view_numlayers = 1;
} else {
/* Texture objects.
*
* The error checking is based on the documentation of
* clCreateFromGLTexture from OpenCL 2.0 SDK.
*/
struct gl_texture_object *obj = _mesa_lookup_texture(ctx, in->obj);
if (obj)
_mesa_test_texobj_completeness(ctx, obj);
/* From OpenCL 2.0 SDK, clCreateFromGLTexture:
* "CL_INVALID_GL_OBJECT if texture is not a GL texture object whose
* type matches texture_target, if the specified miplevel of texture
* is not defined, or if the width or height of the specified
* miplevel is zero or if the GL texture object is incomplete."
*/
if (!obj ||
obj->Target != target ||
!obj->_BaseComplete ||
(in->miplevel > 0 && !obj->_MipmapComplete)) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OBJECT;
}
/* From OpenCL 2.0 SDK, clCreateFromGLTexture:
* "CL_INVALID_MIP_LEVEL if miplevel is less than the value of
* levelbase (for OpenGL implementations) or zero (for OpenGL ES
* implementations); or greater than the value of q (for both OpenGL
* and OpenGL ES). levelbase and q are defined for the texture in
* section 3.8.10 (Texture Completeness) of the OpenGL 2.1
* specification and section 3.7.10 of the OpenGL ES 2.0."
*/
if (in->miplevel < obj->BaseLevel || in->miplevel > obj->_MaxLevel) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_MIP_LEVEL;
}
if (!st_finalize_texture(ctx, st->pipe, obj)) {
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_OUT_OF_RESOURCES;
}
res = st_get_texobj_resource(obj);
if (!res) {
/* Incomplete texture buffer object? This shouldn't really occur. */
mtx_unlock(&ctx->Shared->Mutex);
return MESA_GLINTEROP_INVALID_OBJECT;
}
if (target == GL_TEXTURE_BUFFER) {
out->internal_format = obj->BufferObjectFormat;
out->buf_offset = obj->BufferOffset;
out->buf_size = obj->BufferSize == -1 ? obj->BufferObject->Size :
obj->BufferSize;
obj->BufferObject->UsageHistory |= USAGE_DISABLE_MINMAX_CACHE;
} else {
out->internal_format = obj->Image[0][0]->InternalFormat;
out->view_minlevel = obj->MinLevel;
out->view_numlevels = obj->NumLevels;
out->view_minlayer = obj->MinLayer;
out->view_numlayers = obj->NumLayers;
}
}
/* Get the handle. */
switch (in->access) {
case MESA_GLINTEROP_ACCESS_READ_WRITE:
usage = PIPE_HANDLE_USAGE_READ_WRITE;
break;
case MESA_GLINTEROP_ACCESS_READ_ONLY:
usage = PIPE_HANDLE_USAGE_READ;
break;
case MESA_GLINTEROP_ACCESS_WRITE_ONLY:
usage = PIPE_HANDLE_USAGE_WRITE;
break;
default:
usage = 0;
}
memset(&whandle, 0, sizeof(whandle));
whandle.type = DRM_API_HANDLE_TYPE_FD;
success = screen->resource_get_handle(screen, st->pipe, res, &whandle,
usage);
mtx_unlock(&ctx->Shared->Mutex);
if (!success)
return MESA_GLINTEROP_OUT_OF_HOST_MEMORY;
out->dmabuf_fd = whandle.handle;
out->out_driver_data_written = 0;
if (res->target == PIPE_BUFFER)
out->buf_offset += whandle.offset;
/* Instruct the caller that we support up-to version one of the interface */
in->version = 1;
out->version = 1;
return MESA_GLINTEROP_SUCCESS;
}
static const __DRI2interopExtension dri2InteropExtension = {
.base = { __DRI2_INTEROP, 1 },
.query_device_info = dri2_interop_query_device_info,
.export_object = dri2_interop_export_object
};
/*
* Backend function init_screen.
*/
static const __DRIextension *dri_screen_extensions[] = {
&driTexBufferExtension.base,
&dri2FlushExtension.base,
&dri2ImageExtension.base,
&dri2RendererQueryExtension.base,
&dri2ConfigQueryExtension.base,
&dri2ThrottleExtension.base,
&dri2FenceExtension.base,
&dri2InteropExtension.base,
NULL
};
static const __DRIextension *dri_robust_screen_extensions[] = {
&driTexBufferExtension.base,
&dri2FlushExtension.base,
&dri2ImageExtension.base,
&dri2RendererQueryExtension.base,
&dri2ConfigQueryExtension.base,
&dri2ThrottleExtension.base,
&dri2FenceExtension.base,
&dri2InteropExtension.base,
&dri2Robustness.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 = NULL;
const struct drm_conf_ret *throttle_ret;
const struct drm_conf_ret *dmabuf_ret;
int fd;
screen = CALLOC_STRUCT(dri_screen);
if (!screen)
return NULL;
screen->sPriv = sPriv;
screen->fd = sPriv->fd;
pipe_mutex_init(screen->opencl_func_mutex);
sPriv->driverPrivate = (void *)screen;
if (screen->fd < 0 || (fd = fcntl(screen->fd, F_DUPFD_CLOEXEC, 3)) < 0)
goto free_screen;
if (pipe_loader_drm_probe_fd(&screen->dev, fd))
pscreen = pipe_loader_create_screen(screen->dev);
if (!pscreen)
goto release_pipe;
throttle_ret = pipe_loader_configuration(screen->dev, DRM_CONF_THROTTLE);
dmabuf_ret = pipe_loader_configuration(screen->dev, DRM_CONF_SHARE_FD);
if (throttle_ret && throttle_ret->val.val_int != -1) {
screen->throttling_enabled = TRUE;
screen->default_throttle_frames = throttle_ret->val.val_int;
}
if (dmabuf_ret && dmabuf_ret->val.val_bool) {
uint64_t cap;
if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
(cap & DRM_PRIME_CAP_IMPORT)) {
dri2ImageExtension.createImageFromFds = dri2_from_fds;
dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
}
}
if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
sPriv->extensions = dri_robust_screen_extensions;
screen->has_reset_status_query = true;
}
else
sPriv->extensions = dri_screen_extensions;
configs = dri_init_screen_helper(screen, pscreen, screen->dev->driver_name);
if (!configs)
goto destroy_screen;
screen->can_share_buffer = true;
screen->auto_fake_front = dri_with_format(sPriv);
screen->broken_invalidate = !sPriv->dri2.useInvalidate;
screen->lookup_egl_image = dri2_lookup_egl_image;
return configs;
destroy_screen:
dri_destroy_screen_helper(screen);
release_pipe:
if (screen->dev)
pipe_loader_release(&screen->dev, 1);
else
close(fd);
free_screen:
FREE(screen);
return NULL;
}
/**
* This is the driver specific part of the createNewScreen entry point.
*
* Returns the struct gl_config supported by this driver.
*/
static const __DRIconfig **
dri_kms_init_screen(__DRIscreen * sPriv)
{
#if defined(GALLIUM_SOFTPIPE)
const __DRIconfig **configs;
struct dri_screen *screen;
struct pipe_screen *pscreen = NULL;
uint64_t cap;
int fd;
screen = CALLOC_STRUCT(dri_screen);
if (!screen)
return NULL;
screen->sPriv = sPriv;
screen->fd = sPriv->fd;
sPriv->driverPrivate = (void *)screen;
if (screen->fd < 0 || (fd = fcntl(screen->fd, F_DUPFD_CLOEXEC, 3)) < 0)
goto free_screen;
if (pipe_loader_sw_probe_kms(&screen->dev, fd))
pscreen = pipe_loader_create_screen(screen->dev);
if (!pscreen)
goto release_pipe;
if (drmGetCap(sPriv->fd, DRM_CAP_PRIME, &cap) == 0 &&
(cap & DRM_PRIME_CAP_IMPORT)) {
dri2ImageExtension.createImageFromFds = dri2_from_fds;
dri2ImageExtension.createImageFromDmaBufs = dri2_from_dma_bufs;
}
sPriv->extensions = dri_screen_extensions;
configs = dri_init_screen_helper(screen, pscreen, "swrast");
if (!configs)
goto destroy_screen;
screen->can_share_buffer = false;
screen->auto_fake_front = dri_with_format(sPriv);
screen->broken_invalidate = !sPriv->dri2.useInvalidate;
screen->lookup_egl_image = dri2_lookup_egl_image;
return configs;
destroy_screen:
dri_destroy_screen_helper(screen);
release_pipe:
if (screen->dev)
pipe_loader_release(&screen->dev, 1);
else
close(fd);
free_screen:
FREE(screen);
#endif // GALLIUM_SOFTPIPE
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 galliumdrm_driver_api = {
.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,
};
/**
* DRI driver virtual function table.
*
* KMS/DRM version of the DriverAPI above sporting a different InitScreen
* hook. The latter is used to explicitly initialise the kms_swrast driver
* rather than selecting the approapriate driver as suggested by the loader.
*/
const struct __DriverAPIRec dri_kms_driver_api = {
.InitScreen = dri_kms_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. */
const __DRIextension *galliumdrm_driver_extensions[] = {
&driCoreExtension.base,
&driImageDriverExtension.base,
&driDRI2Extension.base,
&gallium_config_options.base,
&dri2FenceExtension.base,
NULL
};
/* vim: set sw=3 ts=8 sts=3 expandtab: */