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mesa/src/gallium/frontends/dri/dri2.c

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/*
* 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 "util/libdrm.h"
#include "git_sha1.h"
#include "GL/mesa_glinterop.h"
#include "GL/internal/mesa_interface.h"
#include "util/disk_cache.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/format/u_format.h"
#include "util/u_debug.h"
#include "util/libsync.h"
#include "util/os_file.h"
#include "frontend/drm_driver.h"
#include "state_tracker/st_format.h"
#include "state_tracker/st_cb_texture.h"
#include "state_tracker/st_texture.h"
#include "state_tracker/st_context.h"
#include "state_tracker/st_interop.h"
#include "pipe-loader/pipe_loader.h"
#include "main/bufferobj.h"
#include "main/texobj.h"
#include "dri_util.h"
#include "dri_helpers.h"
#include "dri_drawable.h"
#include "dri_query_renderer.h"
#include "loader_dri_helper.h"
#include "drm-uapi/drm_fourcc.h"
struct dri2_buffer
{
__DRIbuffer base;
struct pipe_resource *resource;
};
static inline struct dri2_buffer *
dri2_buffer(__DRIbuffer * driBufferPriv)
{
return (struct dri2_buffer *) driBufferPriv;
}
/**
* Invalidate the drawable.
*
* How we get here is listed below.
*
* 1. Called by these SwapBuffers implementations where the context is known:
* loader_dri3_swap_buffers_msc
* EGL: droid_swap_buffers
* EGL: dri2_drm_swap_buffers
* EGL: dri2_wl_swap_buffers_with_damage
* EGL: dri2_x11_swap_buffers_msc
*
* 2. Other callers where the context is known:
* st_manager_flush_frontbuffer -> dri2_flush_frontbuffer
* -> EGL droid_display_shared_buffer
*
* 3. Other callers where the context is unknown:
* loader: dri3_handle_present_event - XCB_PRESENT_CONFIGURE_NOTIFY
* eglQuerySurface -> dri3_query_surface
* -> loader_dri3_update_drawable_geometry
* EGL: wl_egl_window::resize_callback (called outside Mesa)
*/
static void
dri2_invalidate_drawable(__DRIdrawable *dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
drawable->lastStamp++;
drawable->texture_mask = 0; /* mark all attachments as invalid */
p_atomic_inc(&drawable->base.stamp);
}
static const __DRI2flushExtension dri2FlushExtension = {
.base = { __DRI2_FLUSH, 4 },
.flush = dri_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)
{
const __DRIdri2LoaderExtension *loader = drawable->screen->dri2.loader;
bool with_format;
__DRIbuffer *buffers;
int num_buffers;
unsigned attachments[__DRI_BUFFER_COUNT];
unsigned num_attachments, i;
assert(loader);
assert(*count <= __DRI_BUFFER_COUNT);
with_format = dri_with_format(drawable->screen);
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_R16G16B16A16_FLOAT:
depth = 64;
break;
case PIPE_FORMAT_R16G16B16X16_FLOAT:
depth = 48;
break;
case PIPE_FORMAT_B10G10R10A2_UNORM:
case PIPE_FORMAT_R10G10B10A2_UNORM:
case PIPE_FORMAT_BGRA8888_UNORM:
case PIPE_FORMAT_RGBA8888_UNORM:
depth = 32;
break;
case PIPE_FORMAT_R10G10B10X2_UNORM:
case PIPE_FORMAT_B10G10R10X2_UNORM:
depth = 30;
break;
case PIPE_FORMAT_BGRX8888_UNORM:
case PIPE_FORMAT_RGBX8888_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(opaque_dri_drawable(drawable),
&drawable->w, &drawable->h,
attachments, num_attachments,
&num_buffers, drawable->loaderPrivate);
}
else {
buffers = loader->getBuffers(opaque_dri_drawable(drawable),
&drawable->w, &drawable->h,
attachments, num_attachments,
&num_buffers, drawable->loaderPrivate);
}
if (buffers)
*count = num_buffers;
return buffers;
}
bool
dri_image_drawable_get_buffers(struct dri_drawable *drawable,
struct __DRIimageList *images,
const enum st_attachment_type *statts,
unsigned statts_count);
bool
dri_image_drawable_get_buffers(struct dri_drawable *drawable,
struct __DRIimageList *images,
const enum st_attachment_type *statts,
unsigned statts_count)
{
enum pipe_format color_format = PIPE_FORMAT_NONE;
uint32_t buffer_mask = 0;
unsigned i;
for (i = 0; i < statts_count; i++) {
enum pipe_format pf;
unsigned bind;
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;
color_format = pf;
break;
case ST_ATTACHMENT_BACK_LEFT:
buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
color_format = pf;
break;
default:
break;
}
}
/* Stamp usage behavior in the getBuffers callback:
*
* 1. DRI3 (EGL and GLX):
* This calls loader_dri3_get_buffers, which saves the stamp pointer
* in loader_dri3_drawable::stamp, which is only changed (incremented)
* by loader_dri3_swap_buffers_msc.
*
* 2. EGL Android, Device, Surfaceless, Wayland:
* The stamp is unused.
*
* How do we get here:
* dri_set_tex_buffer2 (GLX_EXT_texture_from_pixmap)
* st_api_make_current
* st_manager_validate_framebuffers (part of st_validate_state)
*/
return drawable->screen->image.loader->getBuffers(
opaque_dri_drawable(drawable),
color_format,
(uint32_t *)&drawable->base.stamp,
drawable->loaderPrivate, buffer_mask,
images);
}
static __DRIbuffer *
dri2_allocate_buffer(struct dri_screen *screen,
unsigned attachment, unsigned format,
int width, int height)
{
struct dri2_buffer *buffer;
struct pipe_resource templ;
enum pipe_format pf;
unsigned bind = 0;
struct winsys_handle whandle;
/* struct pipe_resource height0 is 16-bit, avoid overflow */
if (height > 0xffff)
return NULL;
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 64:
pf = PIPE_FORMAT_R16G16B16A16_FLOAT;
break;
case 48:
pf = PIPE_FORMAT_R16G16B16X16_FLOAT;
break;
case 32:
pf = PIPE_FORMAT_BGRA8888_UNORM;
break;
case 30:
pf = PIPE_FORMAT_B10G10R10X2_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 = WINSYS_HANDLE_TYPE_SHARED;
else
whandle.type = WINSYS_HANDLE_TYPE_KMS;
screen->base.screen->resource_get_handle(screen->base.screen, NULL,
buffer->resource, &whandle,
PIPE_HANDLE_USAGE_EXPLICIT_FLUSH);
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(__DRIbuffer *bPriv)
{
struct dri2_buffer *buffer = dri2_buffer(bPriv);
pipe_resource_reference(&buffer->resource, NULL);
FREE(buffer);
}
static void
dri2_set_in_fence_fd(__DRIimage *img, int fd)
{
validate_fence_fd(fd);
validate_fence_fd(img->in_fence_fd);
sync_accumulate("dri", &img->in_fence_fd, fd);
}
static void
handle_in_fence(struct dri_context *ctx, __DRIimage *img)
{
struct pipe_context *pipe = ctx->st->pipe;
struct pipe_fence_handle *fence;
int fd = img->in_fence_fd;
if (fd == -1)
return;
validate_fence_fd(fd);
img->in_fence_fd = -1;
pipe->create_fence_fd(pipe, &fence, fd, PIPE_FD_TYPE_NATIVE_SYNC);
pipe->fence_server_sync(pipe, fence);
pipe->screen->fence_reference(pipe->screen, &fence, NULL);
close(fd);
}
/*
* Backend functions for pipe_frontend_drawable.
*/
static void
dri2_allocate_textures(struct dri_context *ctx,
struct dri_drawable *drawable,
const enum st_attachment_type *statts,
unsigned statts_count)
{
struct dri_screen *screen = drawable->screen;
struct pipe_resource templ;
bool alloc_depthstencil = false;
unsigned i, j, bind;
const __DRIimageLoaderExtension *image = screen->image.loader;
/* Image specific variables */
struct __DRIimageList images;
/* Dri2 specific variables */
__DRIbuffer *buffers = NULL;
struct winsys_handle whandle;
unsigned num_buffers = statts_count;
assert(num_buffers <= __DRI_BUFFER_COUNT);
/* Wait for glthread to finish because we can't use pipe_context from
* multiple threads.
*/
_mesa_glthread_finish(ctx->st->ctx);
/* 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 == drawable->w &&
drawable->old_h == 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++) {
bool 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;
drawable->w = texture->width0;
drawable->h = texture->height0;
pipe_resource_reference(buf, texture);
handle_in_fence(ctx, images.front);
}
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;
drawable->w = texture->width0;
drawable->h = texture->height0;
pipe_resource_reference(buf, texture);
handle_in_fence(ctx, images.back);
}
if (images.image_mask & __DRI_IMAGE_BUFFER_SHARED) {
struct pipe_resource **buf =
&drawable->textures[ST_ATTACHMENT_BACK_LEFT];
struct pipe_resource *texture = images.back->texture;
drawable->w = texture->width0;
drawable->h = texture->height0;
pipe_resource_reference(buf, texture);
handle_in_fence(ctx, images.back);
ctx->is_shared_buffer_bound = true;
} else {
ctx->is_shared_buffer_bound = false;
}
/* Note: if there is both a back and a front buffer,
* then they have the same size.
*/
templ.width0 = drawable->w;
templ.height0 = 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 = drawable->w;
templ.height0 = drawable->h;
templ.format = format;
templ.bind = bind;
whandle.handle = buf->name;
whandle.stride = buf->pitch;
whandle.offset = 0;
whandle.format = format;
whandle.modifier = DRM_FORMAT_MOD_INVALID;
if (screen->can_share_buffer)
whandle.type = WINSYS_HANDLE_TYPE_SHARED;
else
whandle.type = WINSYS_HANDLE_TYPE_KMS;
drawable->textures[statt] =
screen->base.screen->resource_from_handle(screen->base.screen,
&templ, &whandle,
PIPE_HANDLE_USAGE_EXPLICIT_FLUSH);
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 | PIPE_BIND_SHARED);
templ.nr_samples = drawable->stvis.samples;
templ.nr_storage_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 gallium frontend (and
* therefore the app) can access the MSAA resources only.
* The single-sample resources are not exposed
* to the gallium frontend.
*
*/
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 & ~PIPE_BIND_SHARED;
if (drawable->stvis.samples > 1) {
templ.nr_samples = drawable->stvis.samples;
templ.nr_storage_samples = drawable->stvis.samples;
zsbuf = &drawable->msaa_textures[statt];
}
else {
templ.nr_samples = 0;
templ.nr_storage_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 = drawable->w;
drawable->old_h = drawable->h;
memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * num_buffers);
}
}
static bool
dri2_flush_frontbuffer(struct dri_context *ctx,
struct dri_drawable *drawable,
enum st_attachment_type statt)
{
const __DRIimageLoaderExtension *image = drawable->screen->image.loader;
const __DRIdri2LoaderExtension *loader = drawable->screen->dri2.loader;
const __DRImutableRenderBufferLoaderExtension *shared_buffer_loader =
drawable->screen->mutableRenderBuffer.loader;
struct pipe_context *pipe = ctx->st->pipe;
struct pipe_fence_handle *fence = NULL;
int fence_fd = -1;
/* We need to flush for front buffer rendering when either we're using the
* front buffer at the GL API level, or when EGL_KHR_mutable_render_buffer
* has redirected GL_BACK to the front buffer.
*/
if (statt != ST_ATTACHMENT_FRONT_LEFT &&
(!ctx->is_shared_buffer_bound || statt != ST_ATTACHMENT_BACK_LEFT))
return false;
/* Wait for glthread to finish because we can't use pipe_context from
* multiple threads.
*/
_mesa_glthread_finish(ctx->st->ctx);
if (drawable->stvis.samples > 1) {
/* Resolve the buffer used for front rendering. */
dri_pipe_blit(ctx->st->pipe, drawable->textures[statt],
drawable->msaa_textures[statt]);
}
if (drawable->textures[statt]) {
pipe->flush_resource(pipe, drawable->textures[statt]);
}
if (ctx->is_shared_buffer_bound) {
/* is_shared_buffer_bound should only be true with image extension: */
assert(image);
pipe->flush(pipe, &fence, PIPE_FLUSH_FENCE_FD);
} else {
pipe->flush(pipe, NULL, 0);
}
if (image) {
image->flushFrontBuffer(opaque_dri_drawable(drawable),
drawable->loaderPrivate);
if (ctx->is_shared_buffer_bound) {
if (fence)
fence_fd = pipe->screen->fence_get_fd(pipe->screen, fence);
shared_buffer_loader->displaySharedBuffer(opaque_dri_drawable(drawable),
fence_fd,
drawable->loaderPrivate);
pipe->screen->fence_reference(pipe->screen, &fence, NULL);
}
}
else if (loader->flushFrontBuffer) {
loader->flushFrontBuffer(opaque_dri_drawable(drawable),
drawable->loaderPrivate);
}
return true;
}
/**
* The struct dri_drawable flush_swapbuffers callback
*/
static void
dri2_flush_swapbuffers(struct dri_context *ctx,
struct dri_drawable *drawable)
{
const __DRIimageLoaderExtension *image = drawable->screen->image.loader;
if (image && image->flushSwapBuffers) {
image->flushSwapBuffers(opaque_dri_drawable(drawable),
drawable->loaderPrivate);
}
}
static void
dri2_update_tex_buffer(struct dri_drawable *drawable,
struct dri_context *ctx,
struct pipe_resource *res)
{
/* no-op */
}
static const struct dri2_format_mapping r8_b8_g8_mapping = {
DRM_FORMAT_YVU420,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_U_V,
PIPE_FORMAT_R8_B8_G8_420_UNORM,
3,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_R8 },
{ 2, 1, 1, __DRI_IMAGE_FORMAT_R8 },
{ 1, 1, 1, __DRI_IMAGE_FORMAT_R8 } }
};
static const struct dri2_format_mapping r8_g8_b8_mapping = {
DRM_FORMAT_YUV420,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_U_V,
PIPE_FORMAT_R8_G8_B8_420_UNORM,
3,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_R8 },
{ 1, 1, 1, __DRI_IMAGE_FORMAT_R8 },
{ 2, 1, 1, __DRI_IMAGE_FORMAT_R8 } }
};
static const struct dri2_format_mapping r8_g8b8_mapping = {
DRM_FORMAT_NV12,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_UV,
PIPE_FORMAT_R8_G8B8_420_UNORM,
2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_R8 },
{ 1, 1, 1, __DRI_IMAGE_FORMAT_GR88 } }
};
static const struct dri2_format_mapping r8_b8g8_mapping = {
DRM_FORMAT_NV21,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_UV,
PIPE_FORMAT_R8_B8G8_420_UNORM,
2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_R8 },
{ 1, 1, 1, __DRI_IMAGE_FORMAT_GR88 } }
};
static const struct dri2_format_mapping r8g8_r8b8_mapping = {
DRM_FORMAT_YUYV,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_XUXV,
PIPE_FORMAT_R8G8_R8B8_UNORM, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 },
{ 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888 } }
};
static const struct dri2_format_mapping r8b8_r8g8_mapping = {
DRM_FORMAT_YVYU,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_XUXV,
PIPE_FORMAT_R8B8_R8G8_UNORM, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 },
{ 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888 } }
};
static const struct dri2_format_mapping b8r8_g8r8_mapping = {
DRM_FORMAT_VYUY,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_XUXV,
PIPE_FORMAT_B8R8_G8R8_UNORM, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 },
{ 0, 1, 0, __DRI_IMAGE_FORMAT_ABGR8888 } }
};
static const struct dri2_format_mapping g8r8_b8r8_mapping = {
DRM_FORMAT_UYVY,
__DRI_IMAGE_FORMAT_NONE,
__DRI_IMAGE_COMPONENTS_Y_XUXV,
PIPE_FORMAT_G8R8_B8R8_UNORM, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88 },
{ 0, 1, 0, __DRI_IMAGE_FORMAT_ABGR8888 } }
};
static __DRIimage *
dri2_create_image_from_winsys(__DRIscreen *_screen,
int width, int height, const struct dri2_format_mapping *map,
int num_handles, struct winsys_handle *whandle,
unsigned bind,
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 = 0;
int i;
bool use_lowered = false;
const unsigned format_planes = util_format_get_num_planes(map->pipe_format);
if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
PIPE_BIND_RENDER_TARGET))
tex_usage |= PIPE_BIND_RENDER_TARGET;
if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target, 0, 0,
PIPE_BIND_SAMPLER_VIEW))
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
/* For NV12, see if we have support for sampling r8_g8b8 */
if (!tex_usage && map->pipe_format == PIPE_FORMAT_NV12 &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8_G8B8_420_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8_g8b8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
/* For NV21, see if we have support for sampling r8_b8g8 */
if (!tex_usage && map->pipe_format == PIPE_FORMAT_NV21 &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8_B8G8_420_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8_b8g8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
/* For YV12 and I420, see if we have support for sampling r8_b8_g8 or r8_g8_b8 */
if (!tex_usage && map->pipe_format == PIPE_FORMAT_IYUV) {
if (map->dri_fourcc == DRM_FORMAT_YUV420 &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8_G8_B8_420_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8_g8_b8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
} else if (map->dri_fourcc == DRM_FORMAT_YVU420 &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8_B8_G8_420_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8_b8_g8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
}
/* If the hardware supports R8G8_R8B8 style subsampled RGB formats, these
* can be used for YUYV and UYVY formats.
*/
if (!tex_usage && map->pipe_format == PIPE_FORMAT_YUYV &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8G8_R8B8_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8g8_r8b8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
if (!tex_usage && map->pipe_format == PIPE_FORMAT_YVYU &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_R8B8_R8G8_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &r8b8_r8g8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
if (!tex_usage && map->pipe_format == PIPE_FORMAT_UYVY &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_G8R8_B8R8_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &g8r8_b8r8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
if (!tex_usage && map->pipe_format == PIPE_FORMAT_VYUY &&
pscreen->is_format_supported(pscreen, PIPE_FORMAT_B8R8_G8R8_UNORM,
screen->target, 0, 0, PIPE_BIND_SAMPLER_VIEW)) {
map = &b8r8_g8r8_mapping;
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
if (!tex_usage && util_format_is_yuv(map->pipe_format)) {
/* YUV format sampling can be emulated by the GL gallium frontend by
* using multiple samplers of varying formats.
* If no tex_usage is set and we detect a YUV format,
* test for support of all planes' sampler formats and
* add sampler view usage.
*/
use_lowered = true;
if (dri2_yuv_dma_buf_supported(screen, map))
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
}
if (!tex_usage)
return NULL;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = tex_usage | bind;
templ.target = screen->target;
templ.last_level = 0;
templ.depth0 = 1;
templ.array_size = 1;
templ.width0 = width;
templ.height0 = height;
for (i = num_handles - 1; i >= format_planes; i--) {
struct pipe_resource *tex;
templ.next = img->texture;
tex = pscreen->resource_from_handle(pscreen, &templ, &whandle[i],
PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
if (!tex) {
pipe_resource_reference(&img->texture, NULL);
FREE(img);
return NULL;
}
img->texture = tex;
}
for (i = (use_lowered ? map->nplanes : format_planes) - 1; i >= 0; i--) {
struct pipe_resource *tex;
templ.next = img->texture;
templ.width0 = width >> map->planes[i].width_shift;
templ.height0 = height >> map->planes[i].height_shift;
if (use_lowered)
templ.format = dri2_get_pipe_format_for_dri_format(map->planes[i].dri_format);
else
templ.format = map->pipe_format;
assert(templ.format != PIPE_FORMAT_NONE);
tex = pscreen->resource_from_handle(pscreen,
&templ, &whandle[use_lowered ? map->planes[i].buffer_index : i],
PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE);
if (!tex) {
pipe_resource_reference(&img->texture, NULL);
FREE(img);
return NULL;
}
/* Reject image creation if there's an inconsistency between
* content protection status of tex and img.
*/
const struct driOptionCache *optionCache = &screen->dev->option_cache;
if (driQueryOptionb(optionCache, "force_protected_content_check") &&
(tex->bind & PIPE_BIND_PROTECTED) != (bind & PIPE_BIND_PROTECTED)) {
pipe_resource_reference(&img->texture, NULL);
pipe_resource_reference(&tex, NULL);
FREE(img);
return NULL;
}
img->texture = tex;
}
img->level = 0;
img->layer = 0;
img->use = 0;
img->in_fence_fd = -1;
img->loader_private = loaderPrivate;
img->screen = screen;
return img;
}
static __DRIimage *
dri2_create_image_from_name(__DRIscreen *_screen,
int width, int height, int format,
int name, int pitch, void *loaderPrivate)
{
const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
struct winsys_handle whandle;
__DRIimage *img;
if (!map)
return NULL;
memset(&whandle, 0, sizeof(whandle));
whandle.type = WINSYS_HANDLE_TYPE_SHARED;
whandle.handle = name;
whandle.format = map->pipe_format;
whandle.modifier = DRM_FORMAT_MOD_INVALID;
whandle.stride = pitch * util_format_get_blocksize(map->pipe_format);
img = dri2_create_image_from_winsys(_screen, width, height, map,
1, &whandle, 0, loaderPrivate);
if (!img)
return NULL;
img->dri_components = map->dri_components;
img->dri_fourcc = map->dri_fourcc;
img->dri_format = map->dri_format;
return img;
}
static unsigned
dri2_get_modifier_num_planes(__DRIscreen *_screen,
uint64_t modifier, int fourcc)
{
struct pipe_screen *pscreen = dri_screen(_screen)->base.screen;
const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
if (!map)
return 0;
switch (modifier) {
case DRM_FORMAT_MOD_LINEAR:
/* DRM_FORMAT_MOD_NONE is the same as LINEAR */
case DRM_FORMAT_MOD_INVALID:
return util_format_get_num_planes(map->pipe_format);
default:
if (!pscreen->is_dmabuf_modifier_supported ||
!pscreen->is_dmabuf_modifier_supported(pscreen, modifier,
map->pipe_format, NULL)) {
return 0;
}
if (pscreen->get_dmabuf_modifier_planes) {
return pscreen->get_dmabuf_modifier_planes(pscreen, modifier,
map->pipe_format);
}
return map->nplanes;
}
}
static __DRIimage *
dri2_create_image_from_fd(__DRIscreen *_screen,
int width, int height, int fourcc,
uint64_t modifier, int *fds, int num_fds,
int *strides, int *offsets,
unsigned bind, unsigned *error, void *loaderPrivate)
{
struct winsys_handle whandles[4];
const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
__DRIimage *img = NULL;
unsigned err = __DRI_IMAGE_ERROR_SUCCESS;
int i;
const int expected_num_fds = dri2_get_modifier_num_planes(_screen, modifier, fourcc);
if (!map || expected_num_fds == 0) {
err = __DRI_IMAGE_ERROR_BAD_MATCH;
goto exit;
}
if (num_fds != expected_num_fds) {
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 = WINSYS_HANDLE_TYPE_FD;
whandles[i].handle = (unsigned)fds[i];
whandles[i].stride = (unsigned)strides[i];
whandles[i].offset = (unsigned)offsets[i];
whandles[i].format = map->pipe_format;
whandles[i].modifier = modifier;
whandles[i].plane = i;
}
img = dri2_create_image_from_winsys(_screen, width, height, map,
num_fds, whandles, bind,
loaderPrivate);
if(img == NULL) {
err = __DRI_IMAGE_ERROR_BAD_ALLOC;
goto exit;
}
img->dri_components = map->dri_components;
img->dri_fourcc = fourcc;
img->dri_format = map->dri_format;
img->imported_dmabuf = true;
exit:
if (error)
*error = err;
return img;
}
static __DRIimage *
dri2_create_image_common(__DRIscreen *_screen,
int width, int height,
int format, unsigned int use,
const uint64_t *modifiers,
const unsigned count,
void *loaderPrivate)
{
const struct dri2_format_mapping *map = dri2_get_mapping_by_format(format);
struct dri_screen *screen = dri_screen(_screen);
struct pipe_screen *pscreen = screen->base.screen;
__DRIimage *img;
struct pipe_resource templ;
unsigned tex_usage = 0;
if (!map)
return NULL;
if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target,
0, 0, PIPE_BIND_RENDER_TARGET))
tex_usage |= PIPE_BIND_RENDER_TARGET;
if (pscreen->is_format_supported(pscreen, map->pipe_format, screen->target,
0, 0, PIPE_BIND_SAMPLER_VIEW))
tex_usage |= PIPE_BIND_SAMPLER_VIEW;
if (!tex_usage)
return NULL;
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;
}
if (use & __DRI_IMAGE_USE_PROTECTED)
tex_usage |= PIPE_BIND_PROTECTED;
if (use & __DRI_IMAGE_USE_PRIME_BUFFER)
tex_usage |= PIPE_BIND_PRIME_BLIT_DST;
if (use & __DRI_IMAGE_USE_FRONT_RENDERING)
tex_usage |= PIPE_BIND_USE_FRONT_RENDERING;
img = CALLOC_STRUCT(__DRIimageRec);
if (!img)
return NULL;
memset(&templ, 0, sizeof(templ));
templ.bind = tex_usage;
templ.format = map->pipe_format;
templ.target = PIPE_TEXTURE_2D;
templ.last_level = 0;
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
templ.array_size = 1;
if (modifiers)
img->texture =
screen->base.screen
->resource_create_with_modifiers(screen->base.screen,
&templ,
modifiers,
count);
else
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_fourcc = map->dri_fourcc;
img->dri_components = 0;
img->use = use;
img->in_fence_fd = -1;
img->loader_private = loaderPrivate;
img->screen = screen;
return img;
}
static __DRIimage *
dri2_create_image(__DRIscreen *_screen,
int width, int height, int format,
unsigned int use, void *loaderPrivate)
{
return dri2_create_image_common(_screen, width, height, format, use,
NULL /* modifiers */, 0 /* count */,
loaderPrivate);
}
static __DRIimage *
dri2_create_image_with_modifiers(__DRIscreen *dri_screen,
int width, int height, int format,
const uint64_t *modifiers,
const unsigned count,
void *loaderPrivate)
{
return dri2_create_image_common(dri_screen, width, height, format,
__DRI_IMAGE_USE_SHARE, modifiers, count,
loaderPrivate);
}
static __DRIimage *
dri2_create_image_with_modifiers2(__DRIscreen *dri_screen,
int width, int height, int format,
const uint64_t *modifiers,
const unsigned count, unsigned int use,
void *loaderPrivate)
{
return dri2_create_image_common(dri_screen, width, height, format, use,
modifiers, count, loaderPrivate);
}
static bool
dri2_query_image_common(__DRIimage *image, int attrib, int *value)
{
switch (attrib) {
case __DRI_IMAGE_ATTRIB_FORMAT:
*value = image->dri_format;
return true;
case __DRI_IMAGE_ATTRIB_WIDTH:
*value = image->texture->width0;
return true;
case __DRI_IMAGE_ATTRIB_HEIGHT:
*value = image->texture->height0;
return true;
case __DRI_IMAGE_ATTRIB_COMPONENTS:
if (image->dri_components == 0)
return false;
*value = image->dri_components;
return true;
case __DRI_IMAGE_ATTRIB_FOURCC:
if (image->dri_fourcc) {
*value = image->dri_fourcc;
} else {
const struct dri2_format_mapping *map;
map = dri2_get_mapping_by_format(image->dri_format);
if (!map)
return false;
*value = map->dri_fourcc;
}
return true;
default:
return false;
}
}
static bool
dri2_query_image_by_resource_handle(__DRIimage *image, int attrib, int *value)
{
struct pipe_screen *pscreen = image->texture->screen;
struct winsys_handle whandle;
struct pipe_resource *tex;
unsigned usage;
memset(&whandle, 0, sizeof(whandle));
whandle.plane = image->plane;
int i;
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
case __DRI_IMAGE_ATTRIB_OFFSET:
case __DRI_IMAGE_ATTRIB_HANDLE:
whandle.type = WINSYS_HANDLE_TYPE_KMS;
break;
case __DRI_IMAGE_ATTRIB_NAME:
whandle.type = WINSYS_HANDLE_TYPE_SHARED;
break;
case __DRI_IMAGE_ATTRIB_FD:
whandle.type = WINSYS_HANDLE_TYPE_FD;
break;
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
for (i = 0, tex = image->texture; tex; tex = tex->next)
i++;
*value = i;
return true;
case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
whandle.type = WINSYS_HANDLE_TYPE_KMS;
whandle.modifier = DRM_FORMAT_MOD_INVALID;
break;
default:
return false;
}
usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
if (!pscreen->resource_get_handle(pscreen, NULL, image->texture,
&whandle, usage))
return false;
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
*value = whandle.stride;
return true;
case __DRI_IMAGE_ATTRIB_OFFSET:
*value = whandle.offset;
return true;
case __DRI_IMAGE_ATTRIB_HANDLE:
case __DRI_IMAGE_ATTRIB_NAME:
case __DRI_IMAGE_ATTRIB_FD:
*value = whandle.handle;
return true;
case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
return false;
*value = (whandle.modifier >> 32) & 0xffffffff;
return true;
case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
if (whandle.modifier == DRM_FORMAT_MOD_INVALID)
return false;
*value = whandle.modifier & 0xffffffff;
return true;
default:
return false;
}
}
static bool
dri2_resource_get_param(__DRIimage *image, enum pipe_resource_param param,
unsigned handle_usage, uint64_t *value)
{
struct pipe_screen *pscreen = image->texture->screen;
if (!pscreen->resource_get_param)
return false;
if (image->use & __DRI_IMAGE_USE_BACKBUFFER)
handle_usage |= PIPE_HANDLE_USAGE_EXPLICIT_FLUSH;
return pscreen->resource_get_param(pscreen, NULL, image->texture,
image->plane, 0, 0, param, handle_usage,
value);
}
static bool
dri2_query_image_by_resource_param(__DRIimage *image, int attrib, int *value)
{
enum pipe_resource_param param;
uint64_t res_param;
unsigned handle_usage;
if (!image->texture->screen->resource_get_param)
return false;
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
param = PIPE_RESOURCE_PARAM_STRIDE;
break;
case __DRI_IMAGE_ATTRIB_OFFSET:
param = PIPE_RESOURCE_PARAM_OFFSET;
break;
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
param = PIPE_RESOURCE_PARAM_NPLANES;
break;
case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
param = PIPE_RESOURCE_PARAM_MODIFIER;
break;
case __DRI_IMAGE_ATTRIB_HANDLE:
param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_KMS;
break;
case __DRI_IMAGE_ATTRIB_NAME:
param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_SHARED;
break;
case __DRI_IMAGE_ATTRIB_FD:
param = PIPE_RESOURCE_PARAM_HANDLE_TYPE_FD;
break;
default:
return false;
}
handle_usage = PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE;
if (!dri2_resource_get_param(image, param, handle_usage, &res_param))
return false;
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
case __DRI_IMAGE_ATTRIB_OFFSET:
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
if (res_param > INT_MAX)
return false;
*value = (int)res_param;
return true;
case __DRI_IMAGE_ATTRIB_HANDLE:
case __DRI_IMAGE_ATTRIB_NAME:
case __DRI_IMAGE_ATTRIB_FD:
if (res_param > UINT_MAX)
return false;
*value = (int)res_param;
return true;
case __DRI_IMAGE_ATTRIB_MODIFIER_UPPER:
if (res_param == DRM_FORMAT_MOD_INVALID)
return false;
*value = (res_param >> 32) & 0xffffffff;
return true;
case __DRI_IMAGE_ATTRIB_MODIFIER_LOWER:
if (res_param == DRM_FORMAT_MOD_INVALID)
return false;
*value = res_param & 0xffffffff;
return true;
default:
return false;
}
}
static GLboolean
dri2_query_image(__DRIimage *image, int attrib, int *value)
{
if (dri2_query_image_common(image, attrib, value))
return GL_TRUE;
else if (dri2_query_image_by_resource_param(image, attrib, value))
return GL_TRUE;
else if (dri2_query_image_by_resource_handle(image, attrib, value))
return GL_TRUE;
else
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;
img->internal_format = image->internal_format;
/* This should be 0 for sub images, but dup is also used for base images. */
img->dri_components = image->dri_components;
img->use = image->use;
img->in_fence_fd = (image->in_fence_fd > 0) ?
os_dupfd_cloexec(image->in_fence_fd) : -1;
img->loader_private = loaderPrivate;
img->screen = image->screen;
return img;
}
static GLboolean
dri2_validate_usage(__DRIimage *image, unsigned int use)
{
if (!image || !image->texture)
return false;
struct pipe_screen *screen = image->texture->screen;
if (!screen->check_resource_capability)
return true;
/* We don't want to check these:
* __DRI_IMAGE_USE_SHARE (all images are shareable)
* __DRI_IMAGE_USE_BACKBUFFER (all images support this)
*/
unsigned bind = 0;
if (use & __DRI_IMAGE_USE_SCANOUT)
bind |= PIPE_BIND_SCANOUT;
if (use & __DRI_IMAGE_USE_LINEAR)
bind |= PIPE_BIND_LINEAR;
if (use & __DRI_IMAGE_USE_CURSOR)
bind |= PIPE_BIND_CURSOR;
if (!bind)
return true;
return screen->check_resource_capability(screen, image->texture, bind);
}
static __DRIimage *
dri2_from_names(__DRIscreen *screen, int width, int height, int fourcc,
int *names, int num_names, int *strides, int *offsets,
void *loaderPrivate)
{
const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
__DRIimage *img;
struct winsys_handle whandle;
if (!map)
return NULL;
if (num_names != 1)
return NULL;
memset(&whandle, 0, sizeof(whandle));
whandle.type = WINSYS_HANDLE_TYPE_SHARED;
whandle.handle = names[0];
whandle.stride = strides[0];
whandle.offset = offsets[0];
whandle.format = map->pipe_format;
whandle.modifier = DRM_FORMAT_MOD_INVALID;
img = dri2_create_image_from_winsys(screen, width, height, map,
1, &whandle, 0, loaderPrivate);
if (img == NULL)
return NULL;
img->dri_components = map->dri_components;
img->dri_fourcc = map->dri_fourcc;
img->dri_format = map->pipe_format;
return img;
}
static __DRIimage *
dri2_from_planar(__DRIimage *image, int plane, void *loaderPrivate)
{
__DRIimage *img;
if (plane < 0) {
return NULL;
} else if (plane > 0) {
uint64_t planes;
if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_NPLANES, 0,
&planes) ||
plane >= planes) {
return NULL;
}
}
if (image->dri_components == 0) {
uint64_t modifier;
if (!dri2_resource_get_param(image, PIPE_RESOURCE_PARAM_MODIFIER, 0,
&modifier) ||
modifier == DRM_FORMAT_MOD_INVALID) {
return NULL;
}
}
img = dri2_dup_image(image, loaderPrivate);
if (img == NULL)
return NULL;
if (img->texture->screen->resource_changed)
img->texture->screen->resource_changed(img->texture->screen,
img->texture);
/* set this to 0 for sub images. */
img->dri_components = 0;
img->plane = plane;
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)
{
return dri2_create_image_from_fd(screen, width, height, fourcc,
DRM_FORMAT_MOD_INVALID, fds, num_fds,
strides, offsets, 0, NULL, loaderPrivate);
}
static __DRIimage *
dri2_from_fds2(__DRIscreen *screen, int width, int height, int fourcc,
int *fds, int num_fds, uint32_t flags, int *strides,
int *offsets, void *loaderPrivate)
{
unsigned bind = 0;
if (flags & __DRI_IMAGE_PROTECTED_CONTENT_FLAG)
bind |= PIPE_BIND_PROTECTED;
if (flags & __DRI_IMAGE_PRIME_LINEAR_BUFFER)
bind |= PIPE_BIND_PRIME_BLIT_DST;
return dri2_create_image_from_fd(screen, width, height, fourcc,
DRM_FORMAT_MOD_INVALID, fds, num_fds,
strides, offsets, bind, NULL, loaderPrivate);
}
static bool
dri2_query_dma_buf_modifiers(__DRIscreen *_screen, int fourcc, int max,
uint64_t *modifiers, unsigned int *external_only,
int *count)
{
struct dri_screen *screen = dri_screen(_screen);
struct pipe_screen *pscreen = screen->base.screen;
const struct dri2_format_mapping *map = dri2_get_mapping_by_fourcc(fourcc);
enum pipe_format format;
if (!map)
return false;
format = map->pipe_format;
bool native_sampling = pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
PIPE_BIND_SAMPLER_VIEW);
if (pscreen->is_format_supported(pscreen, format, screen->target, 0, 0,
PIPE_BIND_RENDER_TARGET) ||
native_sampling ||
dri2_yuv_dma_buf_supported(screen, map)) {
if (pscreen->query_dmabuf_modifiers != NULL) {
pscreen->query_dmabuf_modifiers(pscreen, format, max, modifiers,
external_only, count);
if (!native_sampling && external_only) {
/* To support it using YUV lowering, we need it to be samplerExternalOES.
*/
for (int i = 0; i < *count; i++)
external_only[i] = true;
}
} else {
*count = 0;
}
return true;
}
return false;
}
static bool
dri2_query_dma_buf_format_modifier_attribs(__DRIscreen *_screen,
uint32_t fourcc, uint64_t modifier,
int attrib, uint64_t *value)
{
struct dri_screen *screen = dri_screen(_screen);
struct pipe_screen *pscreen = screen->base.screen;
if (!pscreen->query_dmabuf_modifiers)
return false;
switch (attrib) {
case __DRI_IMAGE_FORMAT_MODIFIER_ATTRIB_PLANE_COUNT: {
uint64_t mod_planes = dri2_get_modifier_num_planes(_screen, modifier,
fourcc);
if (mod_planes > 0)
*value = mod_planes;
return mod_planes > 0;
}
default:
return false;
}
}
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;
img = dri2_create_image_from_fd(screen, width, height, fourcc,
DRM_FORMAT_MOD_INVALID, fds, num_fds,
strides, offsets, 0, error, 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;
*error = __DRI_IMAGE_ERROR_SUCCESS;
return img;
}
static __DRIimage *
dri2_from_dma_bufs2(__DRIscreen *screen,
int width, int height, int fourcc,
uint64_t modifier, 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;
img = dri2_create_image_from_fd(screen, width, height, fourcc,
modifier, fds, num_fds, strides, offsets,
0, error, 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;
*error = __DRI_IMAGE_ERROR_SUCCESS;
return img;
}
static __DRIimage *
dri2_from_dma_bufs3(__DRIscreen *screen,
int width, int height, int fourcc,
uint64_t modifier, 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,
uint32_t flags,
unsigned *error,
void *loaderPrivate)
{
unsigned bind = 0;
__DRIimage *img;
if (flags & __DRI_IMAGE_PROTECTED_CONTENT_FLAG)
bind |= PIPE_BIND_PROTECTED;
if (flags & __DRI_IMAGE_PRIME_LINEAR_BUFFER)
bind |= PIPE_BIND_PRIME_BLIT_DST;
img = dri2_create_image_from_fd(screen, width, height, fourcc,
modifier, fds, num_fds, strides, offsets,
bind, error, 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;
*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;
/* Wait for glthread to finish because we can't use pipe_context from
* multiple threads.
*/
_mesa_glthread_finish(ctx->st->ctx);
handle_in_fence(ctx, dst);
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);
st_context_flush(ctx->st, 0, NULL, NULL, NULL);
} else if (flush_flag == __BLIT_FLAG_FINISH) {
screen = ctx->screen->base.screen;
pipe->flush_resource(pipe, dst->texture);
st_context_flush(ctx->st, 0, &fence, NULL, NULL);
(void) screen->fence_finish(screen, NULL, fence, OS_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_map_flags pipe_access = 0;
struct pipe_transfer *trans;
void *map;
if (!image || !data || *data)
return NULL;
unsigned plane = image->plane;
if (plane >= dri2_get_mapping_by_format(image->dri_format)->nplanes)
return NULL;
/* Wait for glthread to finish because we can't use pipe_context from
* multiple threads.
*/
_mesa_glthread_finish(ctx->st->ctx);
handle_in_fence(ctx, image);
struct pipe_resource *resource = image->texture;
while (plane--)
resource = resource->next;
if (flags & __DRI_IMAGE_TRANSFER_READ)
pipe_access |= PIPE_MAP_READ;
if (flags & __DRI_IMAGE_TRANSFER_WRITE)
pipe_access |= PIPE_MAP_WRITE;
map = pipe_texture_map(pipe, resource, 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;
/* Wait for glthread to finish because we can't use pipe_context from
* multiple threads.
*/
_mesa_glthread_finish(ctx->st->ctx);
pipe_texture_unmap(pipe, (struct pipe_transfer *)data);
}
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 const __DRIimageExtension dri2ImageExtensionTempl = {
.base = { __DRI_IMAGE, 21 },
.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,
.createImageFromFds2 = NULL,
.createImageFromDmaBufs = NULL,
.blitImage = dri2_blit_image,
.getCapabilities = dri2_get_capabilities,
.mapImage = dri2_map_image,
.unmapImage = dri2_unmap_image,
.createImageWithModifiers = NULL,
.createImageFromDmaBufs2 = NULL,
.createImageFromDmaBufs3 = NULL,
.queryDmaBufFormats = NULL,
.queryDmaBufModifiers = NULL,
.queryDmaBufFormatModifierAttribs = NULL,
.createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2,
.createImageWithModifiers2 = NULL,
};
const __DRIimageExtension driVkImageExtension = {
.base = { __DRI_IMAGE, 20 },
.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 = dri2_from_fds,
.createImageFromFds2 = dri2_from_fds2,
.createImageFromDmaBufs = dri2_from_dma_bufs,
.blitImage = dri2_blit_image,
.getCapabilities = dri2_get_capabilities,
.mapImage = dri2_map_image,
.unmapImage = dri2_unmap_image,
.createImageWithModifiers = dri2_create_image_with_modifiers,
.createImageFromDmaBufs2 = dri2_from_dma_bufs2,
.createImageFromDmaBufs3 = dri2_from_dma_bufs3,
.queryDmaBufFormats = dri2_query_dma_buf_formats,
.queryDmaBufModifiers = dri2_query_dma_buf_modifiers,
.queryDmaBufFormatModifierAttribs = dri2_query_dma_buf_format_modifier_attribs,
.createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2,
.createImageWithModifiers2 = dri2_create_image_with_modifiers2,
};
const __DRIimageExtension driVkImageExtensionSw = {
.base = { __DRI_IMAGE, 20 },
.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 = dri2_from_fds,
.createImageFromFds2 = dri2_from_fds2,
.blitImage = dri2_blit_image,
.getCapabilities = dri2_get_capabilities,
.mapImage = dri2_map_image,
.unmapImage = dri2_unmap_image,
.createImageFromRenderbuffer2 = dri2_create_image_from_renderbuffer2,
};
static const __DRIrobustnessExtension dri2Robustness = {
.base = { __DRI2_ROBUSTNESS, 1 }
};
static int
dri2_interop_query_device_info(__DRIcontext *_ctx,
struct mesa_glinterop_device_info *out)
{
return st_interop_query_device_info(dri_context(_ctx)->st, out);
}
static int
dri2_interop_export_object(__DRIcontext *_ctx,
struct mesa_glinterop_export_in *in,
struct mesa_glinterop_export_out *out)
{
return st_interop_export_object(dri_context(_ctx)->st, in, out);
}
static int
dri2_interop_flush_objects(__DRIcontext *_ctx,
unsigned count, struct mesa_glinterop_export_in *objects,
struct mesa_glinterop_flush_out *out)
{
return st_interop_flush_objects(dri_context(_ctx)->st, count, objects, out);
}
static const __DRI2interopExtension dri2InteropExtension = {
.base = { __DRI2_INTEROP, 2 },
.query_device_info = dri2_interop_query_device_info,
.export_object = dri2_interop_export_object,
.flush_objects = dri2_interop_flush_objects
};
/**
* \brief the DRI2bufferDamageExtension set_damage_region method
*/
static void
dri2_set_damage_region(__DRIdrawable *dPriv, unsigned int nrects, int *rects)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
struct pipe_box *boxes = NULL;
if (nrects) {
boxes = CALLOC(nrects, sizeof(*boxes));
assert(boxes);
for (unsigned int i = 0; i < nrects; i++) {
int *rect = &rects[i * 4];
u_box_2d(rect[0], rect[1], rect[2], rect[3], &boxes[i]);
}
}
FREE(drawable->damage_rects);
drawable->damage_rects = boxes;
drawable->num_damage_rects = nrects;
/* Only apply the damage region if the BACK_LEFT texture is up-to-date. */
if (drawable->texture_stamp == drawable->lastStamp &&
(drawable->texture_mask & (1 << ST_ATTACHMENT_BACK_LEFT))) {
struct pipe_screen *screen = drawable->screen->base.screen;
struct pipe_resource *resource;
if (drawable->stvis.samples > 1)
resource = drawable->msaa_textures[ST_ATTACHMENT_BACK_LEFT];
else
resource = drawable->textures[ST_ATTACHMENT_BACK_LEFT];
screen->set_damage_region(screen, resource,
drawable->num_damage_rects,
drawable->damage_rects);
}
}
static const __DRI2bufferDamageExtension dri2BufferDamageExtensionTempl = {
.base = { __DRI2_BUFFER_DAMAGE, 1 },
};
/**
* \brief the DRI2ConfigQueryExtension configQueryb method
*/
static int
dri2GalliumConfigQueryb(__DRIscreen *sPriv, const char *var,
unsigned char *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->dev->option_cache, var, DRI_BOOL))
return dri2ConfigQueryExtension.configQueryb(sPriv, var, val);
*val = driQueryOptionb(&screen->dev->option_cache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension configQueryi method
*/
static int
dri2GalliumConfigQueryi(__DRIscreen *sPriv, const char *var, int *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->dev->option_cache, var, DRI_INT) &&
!driCheckOption(&screen->dev->option_cache, var, DRI_ENUM))
return dri2ConfigQueryExtension.configQueryi(sPriv, var, val);
*val = driQueryOptioni(&screen->dev->option_cache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension configQueryf method
*/
static int
dri2GalliumConfigQueryf(__DRIscreen *sPriv, const char *var, float *val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->dev->option_cache, var, DRI_FLOAT))
return dri2ConfigQueryExtension.configQueryf(sPriv, var, val);
*val = driQueryOptionf(&screen->dev->option_cache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension configQuerys method
*/
static int
dri2GalliumConfigQuerys(__DRIscreen *sPriv, const char *var, char **val)
{
struct dri_screen *screen = dri_screen(sPriv);
if (!driCheckOption(&screen->dev->option_cache, var, DRI_STRING))
return dri2ConfigQueryExtension.configQuerys(sPriv, var, val);
*val = driQueryOptionstr(&screen->dev->option_cache, var);
return 0;
}
/**
* \brief the DRI2ConfigQueryExtension struct.
*
* We first query the driver option cache. Then the dri2 option cache.
*/
static const __DRI2configQueryExtension dri2GalliumConfigQueryExtension = {
.base = { __DRI2_CONFIG_QUERY, 2 },
.configQueryb = dri2GalliumConfigQueryb,
.configQueryi = dri2GalliumConfigQueryi,
.configQueryf = dri2GalliumConfigQueryf,
.configQuerys = dri2GalliumConfigQuerys,
};
/**
* \brief the DRI2blobExtension set_cache_funcs method
*/
static void
set_blob_cache_funcs(__DRIscreen *sPriv, __DRIblobCacheSet set,
__DRIblobCacheGet get)
{
struct dri_screen *screen = dri_screen(sPriv);
struct pipe_screen *pscreen = screen->base.screen;
if (!pscreen->get_disk_shader_cache)
return;
struct disk_cache *cache = pscreen->get_disk_shader_cache(pscreen);
if (!cache)
return;
disk_cache_set_callbacks(cache, set, get);
}
static const __DRI2blobExtension driBlobExtension = {
.base = { __DRI2_BLOB, 1 },
.set_cache_funcs = set_blob_cache_funcs
};
static const __DRImutableRenderBufferDriverExtension driMutableRenderBufferExtension = {
.base = { __DRI_MUTABLE_RENDER_BUFFER_DRIVER, 1 },
};
/*
* Backend function init_screen.
*/
static const __DRIextension *dri_screen_extensions_base[] = {
&driTexBufferExtension.base,
&dri2FlushExtension.base,
&dri2RendererQueryExtension.base,
&dri2GalliumConfigQueryExtension.base,
&dri2ThrottleExtension.base,
&dri2FenceExtension.base,
&dri2InteropExtension.base,
&driBlobExtension.base,
&driMutableRenderBufferExtension.base,
&dri2FlushControlExtension.base,
};
/**
* Set up the DRI extension list for this screen based on its underlying
* gallium screen's capabilities.
*/
static void
dri2_init_screen_extensions(struct dri_screen *screen,
struct pipe_screen *pscreen,
bool is_kms_screen)
{
const __DRIextension **nExt;
STATIC_ASSERT(sizeof(screen->screen_extensions) >=
sizeof(dri_screen_extensions_base));
memcpy(&screen->screen_extensions, dri_screen_extensions_base,
sizeof(dri_screen_extensions_base));
screen->extensions = screen->screen_extensions;
/* Point nExt at the end of the extension list */
nExt = &screen->screen_extensions[ARRAY_SIZE(dri_screen_extensions_base)];
screen->image_extension = dri2ImageExtensionTempl;
if (pscreen->resource_create_with_modifiers) {
screen->image_extension.createImageWithModifiers =
dri2_create_image_with_modifiers;
screen->image_extension.createImageWithModifiers2 =
dri2_create_image_with_modifiers2;
}
if (pscreen->get_param(pscreen, PIPE_CAP_NATIVE_FENCE_FD)) {
screen->image_extension.setInFenceFd = dri2_set_in_fence_fd;
}
if (pscreen->get_param(pscreen, PIPE_CAP_DMABUF) & DRM_PRIME_CAP_IMPORT) {
screen->image_extension.createImageFromFds = dri2_from_fds;
screen->image_extension.createImageFromFds2 = dri2_from_fds2;
screen->image_extension.createImageFromDmaBufs = dri2_from_dma_bufs;
screen->image_extension.createImageFromDmaBufs2 = dri2_from_dma_bufs2;
screen->image_extension.createImageFromDmaBufs3 = dri2_from_dma_bufs3;
screen->image_extension.queryDmaBufFormats =
dri2_query_dma_buf_formats;
screen->image_extension.queryDmaBufModifiers =
dri2_query_dma_buf_modifiers;
if (!is_kms_screen) {
screen->image_extension.queryDmaBufFormatModifierAttribs =
dri2_query_dma_buf_format_modifier_attribs;
}
}
*nExt++ = &screen->image_extension.base;
if (!is_kms_screen) {
screen->buffer_damage_extension = dri2BufferDamageExtensionTempl;
if (pscreen->set_damage_region)
screen->buffer_damage_extension.set_damage_region =
dri2_set_damage_region;
*nExt++ = &screen->buffer_damage_extension.base;
}
if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_RESET_STATUS_QUERY)) {
*nExt++ = &dri2Robustness.base;
screen->has_reset_status_query = true;
}
/* Ensure the extension list didn't overrun its buffer and is still
* NULL-terminated */
assert(nExt - screen->screen_extensions <=
ARRAY_SIZE(screen->screen_extensions) - 1);
assert(!*nExt);
}
static struct dri_drawable *
dri2_create_drawable(struct dri_screen *screen, const struct gl_config *visual,
bool isPixmap, void *loaderPrivate)
{
struct dri_drawable *drawable = dri_create_drawable(screen, visual, isPixmap,
loaderPrivate);
if (!drawable)
return NULL;
drawable->allocate_textures = dri2_allocate_textures;
drawable->flush_frontbuffer = dri2_flush_frontbuffer;
drawable->update_tex_buffer = dri2_update_tex_buffer;
drawable->flush_swapbuffers = dri2_flush_swapbuffers;
return drawable;
}
/**
* 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(struct dri_screen *screen, bool implicit)
{
const __DRIconfig **configs;
struct pipe_screen *pscreen = NULL;
(void) mtx_init(&screen->opencl_func_mutex, mtx_plain);
#ifdef HAVE_LIBDRM
if (pipe_loader_drm_probe_fd(&screen->dev, screen->fd, false))
pscreen = pipe_loader_create_screen(screen->dev);
#endif
if (!pscreen)
goto fail;
dri_init_options(screen);
screen->throttle = pscreen->get_param(pscreen, PIPE_CAP_THROTTLE);
dri2_init_screen_extensions(screen, pscreen, false);
if (pscreen->get_param(pscreen, PIPE_CAP_DEVICE_PROTECTED_CONTEXT))
screen->has_protected_context = true;
configs = dri_init_screen(screen, pscreen);
if (!configs)
goto fail;
screen->can_share_buffer = true;
screen->auto_fake_front = dri_with_format(screen);
screen->lookup_egl_image = dri2_lookup_egl_image;
const __DRIimageLookupExtension *loader = screen->dri2.image;
if (loader &&
loader->base.version >= 2 &&
loader->validateEGLImage &&
loader->lookupEGLImageValidated) {
screen->validate_egl_image = dri2_validate_egl_image;
screen->lookup_egl_image_validated = dri2_lookup_egl_image_validated;
}
screen->create_drawable = dri2_create_drawable;
screen->allocate_buffer = dri2_allocate_buffer;
screen->release_buffer = dri2_release_buffer;
return configs;
fail:
dri_release_screen(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_swrast_kms_init_screen(struct dri_screen *screen, bool implicit)
{
#if defined(GALLIUM_SOFTPIPE)
const __DRIconfig **configs;
struct pipe_screen *pscreen = NULL;
#ifdef HAVE_DRISW_KMS
if (pipe_loader_sw_probe_kms(&screen->dev, screen->fd))
pscreen = pipe_loader_create_screen(screen->dev);
#endif
if (!pscreen)
goto fail;
dri_init_options(screen);
dri2_init_screen_extensions(screen, pscreen, true);
configs = dri_init_screen(screen, pscreen);
if (!configs)
goto fail;
screen->can_share_buffer = false;
screen->auto_fake_front = dri_with_format(screen);
screen->lookup_egl_image = dri2_lookup_egl_image;
const __DRIimageLookupExtension *loader = screen->dri2.image;
if (loader &&
loader->base.version >= 2 &&
loader->validateEGLImage &&
loader->lookupEGLImageValidated) {
screen->validate_egl_image = dri2_validate_egl_image;
screen->lookup_egl_image_validated = dri2_lookup_egl_image_validated;
}
screen->create_drawable = dri2_create_drawable;
screen->allocate_buffer = dri2_allocate_buffer;
screen->release_buffer = dri2_release_buffer;
return configs;
fail:
dri_release_screen(screen);
#endif // GALLIUM_SOFTPIPE
return NULL;
}
static int
dri_query_compatible_render_only_device_fd(int kms_only_fd)
{
#ifdef HAVE_LIBDRM
return pipe_loader_get_compatible_render_capable_device_fd(kms_only_fd);
#else
return -1;
#endif
}
static const struct __DRImesaCoreExtensionRec mesaCoreExtension = {
.base = { __DRI_MESA, 2 },
.version_string = MESA_INTERFACE_VERSION_STRING,
.createNewScreen = driCreateNewScreen2,
.createContext = driCreateContextAttribs,
.initScreen = dri2_init_screen,
.queryCompatibleRenderOnlyDeviceFd = dri_query_compatible_render_only_device_fd,
.createNewScreen3 = driCreateNewScreen3,
};
/* This is the table of extensions that the loader will dlsym() for. */
const __DRIextension *galliumdrm_driver_extensions[] = {
&driCoreExtension.base,
&mesaCoreExtension.base,
&driImageDriverExtension.base,
&driDRI2Extension.base,
&gallium_config_options.base,
NULL
};
static const struct __DRImesaCoreExtensionRec swkmsMesaCoreExtension = {
.base = { __DRI_MESA, 2 },
.version_string = MESA_INTERFACE_VERSION_STRING,
.createNewScreen = driCreateNewScreen2,
.createContext = driCreateContextAttribs,
.initScreen = dri_swrast_kms_init_screen,
.createNewScreen3 = driCreateNewScreen3,
};
const __DRIextension *dri_swrast_kms_driver_extensions[] = {
&driCoreExtension.base,
&swkmsMesaCoreExtension.base,
&driImageDriverExtension.base,
&swkmsDRI2Extension.base,
&gallium_config_options.base,
NULL
};
/* vim: set sw=3 ts=8 sts=3 expandtab: */
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