int main()
{
struct program *program = calloc(1, sizeof(struct program));
struct pipe_loader_device **devs = NULL;
const int max_devices = 32;
int idev, ndev;
/* find & list graphic devices */
ndev = pipe_loader_probe(&program->dev, max_devices);
devs = &program->dev;
for (idev = 0; idev < ndev; idev++)
{
printf("driver name: %s; type: %d\n", devs[idev]->driver_name, devs[idev]->type);
}
/* init a pipe screen */
program->screen = pipe_loader_create_screen(devs[0], PIPE_SEARCH_DIR);
/* create the pipe driver context and cso context */
program->pipe = program->screen->context_create(program->screen, NULL);
program->cso = cso_create_context(program->pipe);
/* destroy */
cso_destroy_context(program->cso);
program->pipe->destroy(program->pipe);
program->screen->destroy(program->screen);
return 0;
}
struct pipe_screen *
graw_create_window_and_screen(int x,
int y,
unsigned width,
unsigned height,
enum pipe_format format,
void **handle)
{
struct sw_winsys *winsys = NULL;
struct pipe_screen *screen = NULL;
struct pipe_loader_device *dev;
int ret;
if (format != PIPE_FORMAT_B8G8R8X8_UNORM)
goto fail;
winsys = kos_create_sw_winsys();
if (winsys == NULL)
goto fail;
/* find a hardware device */
ret = pipe_loader_probe(&dev, 1);
/* init a pipe screen */
screen = pipe_loader_create_screen(dev, "drivers");
if (screen == NULL)
goto fail;
BeginDraw();
DrawWindow(x, y,width-1,height-1,
NULL,0,0x41);
EndDraw();
*handle = (void *)winsys;
return (screen);
fail:
if (screen)
screen->destroy(screen);
return NULL;
}
int
gallium_screen_create(struct gbm_gallium_drm_device *gdrm)
{
struct pipe_loader_device *dev;
#ifdef HAVE_PIPE_LOADER_DRM
int ret;
ret = pipe_loader_drm_probe_fd(&dev, gdrm->base.base.fd);
if (!ret)
return -1;
#endif /* HAVE_PIPE_LOADER_DRM */
gdrm->screen = pipe_loader_create_screen(dev, get_library_search_path());
if (gdrm->screen == NULL) {
debug_printf("failed to load driver: %s\n", gdrm->base.driver_name);
pipe_loader_release(&dev, 1);
return -1;
};
gdrm->driver = dev;
gdrm->base.driver_name = strdup(dev->driver_name);
return 0;
}
struct vl_screen *
vl_drm_screen_create(int fd)
{
struct vl_screen *vscreen;
int new_fd;
vscreen = CALLOC_STRUCT(vl_screen);
if (!vscreen)
return NULL;
if (fd < 0 || (new_fd = dup(fd)) < 0)
goto free_screen;
if (pipe_loader_drm_probe_fd(&vscreen->dev, new_fd))
vscreen->pscreen = pipe_loader_create_screen(vscreen->dev);
if (!vscreen->pscreen)
goto release_pipe;
vscreen->destroy = vl_drm_screen_destroy;
vscreen->texture_from_drawable = NULL;
vscreen->get_dirty_area = NULL;
vscreen->get_timestamp = NULL;
vscreen->set_next_timestamp = NULL;
vscreen->get_private = NULL;
return vscreen;
release_pipe:
if (vscreen->dev)
pipe_loader_release(&vscreen->dev, 1);
else
close(new_fd);
free_screen:
FREE(vscreen);
return NULL;
}
static HRESULT WINAPI
drm_create_adapter( int fd,
ID3DAdapter9 **ppAdapter )
{
struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
HRESULT hr;
int i, different_device;
const struct drm_conf_ret *throttle_ret = NULL;
const struct drm_conf_ret *dmabuf_ret = NULL;
driOptionCache defaultInitOptions;
driOptionCache userInitOptions;
int throttling_value_user = -2;
#if !GALLIUM_STATIC_TARGETS
const char *paths[] = {
getenv("D3D9_DRIVERS_PATH"),
getenv("D3D9_DRIVERS_DIR"),
PIPE_SEARCH_DIR
};
#endif
if (!ctx) { return E_OUTOFMEMORY; }
ctx->base.destroy = drm_destroy;
fd = loader_get_user_preferred_fd(fd, &different_device);
ctx->fd = fd;
ctx->base.linear_framebuffer = !!different_device;
#if GALLIUM_STATIC_TARGETS
ctx->base.hal = dd_create_screen(fd);
#else
/* use pipe-loader to dlopen appropriate drm driver */
if (!pipe_loader_drm_probe_fd(&ctx->dev, fd, FALSE)) {
ERR("Failed to probe drm fd %d.\n", fd);
FREE(ctx);
close(fd);
return D3DERR_DRIVERINTERNALERROR;
}
/* use pipe-loader to create a drm screen (hal) */
ctx->base.hal = NULL;
for (i = 0; !ctx->base.hal && i < Elements(paths); ++i) {
if (!paths[i]) { continue; }
ctx->base.hal = pipe_loader_create_screen(ctx->dev, paths[i]);
}
#endif
if (!ctx->base.hal) {
ERR("Unable to load requested driver.\n");
drm_destroy(&ctx->base);
return D3DERR_DRIVERINTERNALERROR;
}
#if GALLIUM_STATIC_TARGETS
dmabuf_ret = dd_configuration(DRM_CONF_SHARE_FD);
throttle_ret = dd_configuration(DRM_CONF_THROTTLE);
#else
dmabuf_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_SHARE_FD);
throttle_ret = pipe_loader_configuration(ctx->dev, DRM_CONF_THROTTLE);
#endif // GALLIUM_STATIC_TARGETS
if (!dmabuf_ret || !dmabuf_ret->val.val_bool) {
ERR("The driver is not capable of dma-buf sharing."
"Abandon to load nine state tracker\n");
drm_destroy(&ctx->base);
return D3DERR_DRIVERINTERNALERROR;
}
if (throttle_ret && throttle_ret->val.val_int != -1) {
ctx->base.throttling = TRUE;
ctx->base.throttling_value = throttle_ret->val.val_int;
} else
ctx->base.throttling = FALSE;
driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "nine");
if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
if (throttling_value_user == -1)
ctx->base.throttling = FALSE;
else if (throttling_value_user >= 0) {
ctx->base.throttling = TRUE;
ctx->base.throttling_value = throttling_value_user;
}
}
if (driCheckOption(&userInitOptions, "vblank_mode", DRI_ENUM))
ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
else
ctx->base.vblank_mode = 1;
if (driCheckOption(&userInitOptions, "thread_submit", DRI_BOOL)) {
ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit");
if (ctx->base.thread_submit && (throttling_value_user == -2 || throttling_value_user == 0)) {
ctx->base.throttling_value = 0;
} else if (ctx->base.thread_submit) {
DBG("You have set a non standard throttling value in combination with thread_submit."
"We advise to use a throttling value of -2/0");
}
if (ctx->base.thread_submit && !different_device)
DBG("You have set thread_submit but do not use a different device than the server."
"You should not expect any benefit.");
}
driDestroyOptionCache(&userInitOptions);
driDestroyOptionInfo(&defaultInitOptions);
#if GALLIUM_STATIC_TARGETS
ctx->base.ref = ninesw_create_screen(ctx->base.hal);
#else
/* wrap it to create a software screen that can share resources */
if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal)) {
ctx->base.ref = NULL;
for (i = 0; !ctx->base.ref && i < Elements(paths); ++i) {
if (!paths[i]) { continue; }
ctx->base.ref = pipe_loader_create_screen(ctx->swdev, paths[i]);
}
}
#endif
if (!ctx->base.ref) {
ERR("Couldn't wrap drm screen to swrast screen. Software devices "
"will be unavailable.\n");
}
/* read out PCI info */
read_descriptor(&ctx->base, fd);
/* create and return new ID3DAdapter9 */
hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
if (FAILED(hr)) {
drm_destroy(&ctx->base);
return hr;
}
return D3D_OK;
}
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
struct vl_dri3_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri3_open_cookie_t open_cookie;
xcb_dri3_open_reply_t *open_reply;
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
int is_different_gpu;
int fd;
assert(display);
scrn = CALLOC_STRUCT(vl_dri3_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
if (!(extension && extension->present))
goto free_screen;
open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
if (!open_reply)
goto free_screen;
if (open_reply->nfd != 1) {
free(open_reply);
goto free_screen;
}
fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
if (fd < 0) {
free(open_reply);
goto free_screen;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
free(open_reply);
fd = loader_get_user_preferred_fd(fd, &is_different_gpu);
/* TODO support different GPU */
if (is_different_gpu)
goto close_fd;
geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
if (!geom_reply)
goto close_fd;
/* TODO support depth other than 24 */
if (geom_reply->depth != 24) {
free(geom_reply);
goto close_fd;
}
free(geom_reply);
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->base.destroy = vl_dri3_screen_destroy;
scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
scrn->base.get_private = vl_dri3_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
return &scrn->base;
release_pipe:
if (scrn->base.dev) {
pipe_loader_release(&scrn->base.dev, 1);
fd = -1;
}
close_fd:
if (fd != -1)
close(fd);
free_screen:
FREE(scrn);
return NULL;
}
static void init_prog(struct program *p)
{
struct pipe_surface surf_tmpl;
int ret;
/* find a hardware device */
ret = pipe_loader_probe(&p->dev, 1);
assert(ret);
/* init a pipe screen */
p->screen = pipe_loader_create_screen(p->dev, PIPE_SEARCH_DIR);
assert(p->screen);
/* create the pipe driver context and cso context */
p->pipe = p->screen->context_create(p->screen, NULL);
p->cso = cso_create_context(p->pipe);
/* set clear color */
p->clear_color.f[0] = 0.3;
p->clear_color.f[1] = 0.1;
p->clear_color.f[2] = 0.3;
p->clear_color.f[3] = 1.0;
/* vertex buffer */
{
float vertices[4][2][4] = {
{
{ 0.0f, -0.9f, 0.0f, 1.0f },
{ 1.0f, 0.0f, 0.0f, 1.0f }
},
{
{ -0.9f, 0.9f, 0.0f, 1.0f },
{ 0.0f, 1.0f, 0.0f, 1.0f }
},
{
{ 0.9f, 0.9f, 0.0f, 1.0f },
{ 0.0f, 0.0f, 1.0f, 1.0f }
}
};
p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_STATIC, sizeof(vertices));
pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices);
}
/* render target texture */
{
struct pipe_resource tmplt;
memset(&tmplt, 0, sizeof(tmplt));
tmplt.target = PIPE_TEXTURE_2D;
tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
tmplt.width0 = WIDTH;
tmplt.height0 = HEIGHT;
tmplt.depth0 = 1;
tmplt.array_size = 1;
tmplt.last_level = 0;
tmplt.bind = PIPE_BIND_RENDER_TARGET;
p->target = p->screen->resource_create(p->screen, &tmplt);
}
/* disabled blending/masking */
memset(&p->blend, 0, sizeof(p->blend));
p->blend.rt[0].colormask = PIPE_MASK_RGBA;
/* no-op depth/stencil/alpha */
memset(&p->depthstencil, 0, sizeof(p->depthstencil));
/* rasterizer */
memset(&p->rasterizer, 0, sizeof(p->rasterizer));
p->rasterizer.cull_face = PIPE_FACE_NONE;
p->rasterizer.gl_rasterization_rules = 1;
p->rasterizer.depth_clip = 1;
surf_tmpl.format = PIPE_FORMAT_B8G8R8A8_UNORM;
surf_tmpl.usage = PIPE_BIND_RENDER_TARGET;
surf_tmpl.u.tex.level = 0;
surf_tmpl.u.tex.first_layer = 0;
surf_tmpl.u.tex.last_layer = 0;
/* drawing destination */
memset(&p->framebuffer, 0, sizeof(p->framebuffer));
p->framebuffer.width = WIDTH;
p->framebuffer.height = HEIGHT;
p->framebuffer.nr_cbufs = 1;
p->framebuffer.cbufs[0] = p->pipe->create_surface(p->pipe, p->target, &surf_tmpl);
/* viewport, depth isn't really needed */
{
float x = 0;
float y = 0;
float z = FAR;
float half_width = (float)WIDTH / 2.0f;
float half_height = (float)HEIGHT / 2.0f;
float half_depth = ((float)FAR - (float)NEAR) / 2.0f;
float scale, bias;
if (FLIP) {
scale = -1.0f;
bias = (float)HEIGHT;
} else {
scale = 1.0f;
bias = 0.0f;
}
p->viewport.scale[0] = half_width;
p->viewport.scale[1] = half_height * scale;
p->viewport.scale[2] = half_depth;
p->viewport.scale[3] = 1.0f;
p->viewport.translate[0] = half_width + x;
p->viewport.translate[1] = (half_height + y) * scale + bias;
p->viewport.translate[2] = half_depth + z;
p->viewport.translate[3] = 0.0f;
}
/* vertex elements state */
memset(p->velem, 0, sizeof(p->velem));
p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */
p->velem[0].instance_divisor = 0;
p->velem[0].vertex_buffer_index = 0;
p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */
p->velem[1].instance_divisor = 0;
p->velem[1].vertex_buffer_index = 0;
p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
/* vertex shader */
{
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
TGSI_SEMANTIC_COLOR };
const uint semantic_indexes[] = { 0, 0 };
p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes);
}
/* fragment shader */
p->fs = util_make_fragment_passthrough_shader(p->pipe);
}
XA_EXPORT struct xa_tracker *
xa_tracker_create(int drm_fd)
{
struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker));
enum xa_surface_type stype;
unsigned int num_formats;
int loader_fd;
if (!xa)
return NULL;
loader_fd = dup(drm_fd);
if (loader_fd == -1)
return NULL;
if (pipe_loader_drm_probe_fd(&xa->dev, loader_fd, false))
xa->screen = pipe_loader_create_screen(xa->dev, PIPE_SEARCH_DIR);
if (!xa->screen)
goto out_no_screen;
xa->default_ctx = xa_context_create(xa);
if (!xa->default_ctx)
goto out_no_pipe;
num_formats = 0;
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype)
num_formats += num_preferred[stype];
num_formats += 1;
xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats));
if (!xa->supported_formats)
goto out_sf_alloc_fail;
xa->supported_formats[0] = xa_format_unknown;
num_formats = 1;
memset(xa->format_map, 0, sizeof(xa->format_map));
for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) {
unsigned int bind = stype_bind[stype];
enum xa_formats xa_format;
int i;
for (i = 0; i < num_preferred[stype]; ++i) {
xa_format = preferred[stype][i];
struct xa_format_descriptor fdesc = xa_get_pipe_format(xa_format);
if (xa->screen->is_format_supported(xa->screen, fdesc.format,
PIPE_TEXTURE_2D, 0, bind)) {
if (xa->format_map[stype][0] == 0)
xa->format_map[stype][0] = num_formats;
xa->format_map[stype][1] = num_formats;
xa->supported_formats[num_formats++] = xa_format;
}
}
}
return xa;
out_sf_alloc_fail:
xa_context_destroy(xa->default_ctx);
out_no_pipe:
xa->screen->destroy(xa->screen);
out_no_screen:
if (xa->dev)
pipe_loader_release(&xa->dev, 1);
free(xa);
return NULL;
}
static void init_prog(struct program *p)
{
struct pipe_surface surf_tmpl;
int ret;
/* find a hardware device */
ret = pipe_loader_probe(&p->dev, 1);
assert(ret);
/* init a pipe screen */
p->screen = pipe_loader_create_screen(p->dev, PIPE_SEARCH_DIR);
assert(p->screen);
/* create the pipe driver context and cso context */
p->pipe = p->screen->context_create(p->screen, NULL);
p->cso = cso_create_context(p->pipe);
/* set clear color */
p->clear_color.f[0] = 0.3;
p->clear_color.f[1] = 0.1;
p->clear_color.f[2] = 0.3;
p->clear_color.f[3] = 1.0;
/* vertex buffer */
{
float vertices[4][2][4] = {
{
{ 0.9f, 0.9f, 0.0f, 1.0f },
{ 1.0f, 1.0f, 0.0f, 1.0f }
},
{
{ -0.9f, 0.9f, 0.0f, 1.0f },
{ 0.0f, 1.0f, 0.0f, 1.0f }
},
{
{ -0.9f, -0.9f, 0.0f, 1.0f },
{ 0.0f, 0.0f, 1.0f, 1.0f }
},
{
{ 0.9f, -0.9f, 0.0f, 1.0f },
{ 1.0f, 0.0f, 1.0f, 1.0f }
}
};
p->vbuf = pipe_buffer_create(p->screen, PIPE_BIND_VERTEX_BUFFER,
PIPE_USAGE_DEFAULT, sizeof(vertices));
pipe_buffer_write(p->pipe, p->vbuf, 0, sizeof(vertices), vertices);
}
/* render target texture */
{
struct pipe_resource tmplt;
memset(&tmplt, 0, sizeof(tmplt));
tmplt.target = PIPE_TEXTURE_2D;
tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
tmplt.width0 = WIDTH;
tmplt.height0 = HEIGHT;
tmplt.depth0 = 1;
tmplt.array_size = 1;
tmplt.last_level = 0;
tmplt.bind = PIPE_BIND_RENDER_TARGET;
p->target = p->screen->resource_create(p->screen, &tmplt);
}
/* sampler texture */
{
uint32_t *ptr;
struct pipe_transfer *t;
struct pipe_resource t_tmplt;
struct pipe_sampler_view v_tmplt;
struct pipe_box box;
memset(&t_tmplt, 0, sizeof(t_tmplt));
t_tmplt.target = PIPE_TEXTURE_2D;
t_tmplt.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
t_tmplt.width0 = 2;
t_tmplt.height0 = 2;
t_tmplt.depth0 = 1;
t_tmplt.array_size = 1;
t_tmplt.last_level = 0;
t_tmplt.bind = PIPE_BIND_RENDER_TARGET;
p->tex = p->screen->resource_create(p->screen, &t_tmplt);
memset(&box, 0, sizeof(box));
box.width = 2;
box.height = 2;
ptr = p->pipe->transfer_map(p->pipe, p->tex, 0, PIPE_TRANSFER_WRITE, &box, &t);
ptr[0] = 0xffff0000;
ptr[1] = 0xff0000ff;
ptr[2] = 0xff00ff00;
ptr[3] = 0xffffff00;
p->pipe->transfer_unmap(p->pipe, t);
u_sampler_view_default_template(&v_tmplt, p->tex, p->tex->format);
p->view = p->pipe->create_sampler_view(p->pipe, p->tex, &v_tmplt);
}
/* disabled blending/masking */
memset(&p->blend, 0, sizeof(p->blend));
p->blend.rt[0].colormask = PIPE_MASK_RGBA;
/* no-op depth/stencil/alpha */
memset(&p->depthstencil, 0, sizeof(p->depthstencil));
/* rasterizer */
memset(&p->rasterizer, 0, sizeof(p->rasterizer));
p->rasterizer.cull_face = PIPE_FACE_NONE;
p->rasterizer.half_pixel_center = 1;
p->rasterizer.bottom_edge_rule = 1;
p->rasterizer.depth_clip = 1;
/* sampler */
memset(&p->sampler, 0, sizeof(p->sampler));
p->sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
p->sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
p->sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
p->sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
p->sampler.min_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
p->sampler.mag_img_filter = PIPE_TEX_MIPFILTER_LINEAR;
p->sampler.normalized_coords = 1;
surf_tmpl.format = PIPE_FORMAT_B8G8R8A8_UNORM; /* All drivers support this */
surf_tmpl.u.tex.level = 0;
surf_tmpl.u.tex.first_layer = 0;
surf_tmpl.u.tex.last_layer = 0;
/* drawing destination */
memset(&p->framebuffer, 0, sizeof(p->framebuffer));
p->framebuffer.width = WIDTH;
p->framebuffer.height = HEIGHT;
p->framebuffer.nr_cbufs = 1;
p->framebuffer.cbufs[0] = p->pipe->create_surface(p->pipe, p->target, &surf_tmpl);
/* viewport, depth isn't really needed */
{
float x = 0;
float y = 0;
float z = FAR;
float half_width = (float)WIDTH / 2.0f;
float half_height = (float)HEIGHT / 2.0f;
float half_depth = ((float)FAR - (float)NEAR) / 2.0f;
float scale, bias;
if (FLIP) {
scale = -1.0f;
bias = (float)HEIGHT;
} else {
scale = 1.0f;
bias = 0.0f;
}
p->viewport.scale[0] = half_width;
p->viewport.scale[1] = half_height * scale;
p->viewport.scale[2] = half_depth;
p->viewport.translate[0] = half_width + x;
p->viewport.translate[1] = (half_height + y) * scale + bias;
p->viewport.translate[2] = half_depth + z;
}
/* vertex elements state */
memset(p->velem, 0, sizeof(p->velem));
p->velem[0].src_offset = 0 * 4 * sizeof(float); /* offset 0, first element */
p->velem[0].instance_divisor = 0;
p->velem[0].vertex_buffer_index = 0;
p->velem[0].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
p->velem[1].src_offset = 1 * 4 * sizeof(float); /* offset 16, second element */
p->velem[1].instance_divisor = 0;
p->velem[1].vertex_buffer_index = 0;
p->velem[1].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
/* vertex shader */
{
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
TGSI_SEMANTIC_GENERIC };
const uint semantic_indexes[] = { 0, 0 };
p->vs = util_make_vertex_passthrough_shader(p->pipe, 2, semantic_names, semantic_indexes, FALSE);
}
/* fragment shader */
p->fs = util_make_fragment_tex_shader(p->pipe, TGSI_TEXTURE_2D, TGSI_INTERPOLATE_LINEAR);
}
static HRESULT WINAPI
drm_create_adapter( int fd,
ID3DAdapter9 **ppAdapter )
{
struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
HRESULT hr;
int i;
const char *paths[] = {
getenv("D3D9_DRIVERS_PATH"),
getenv("D3D9_DRIVERS_DIR"),
PIPE_SEARCH_DIR
};
if (!ctx) { return E_OUTOFMEMORY; }
ctx->base.resource_from_present = drm_resource_from_present;
ctx->base.destroy = drm_destroy;
/* use pipe-loader to dlopen appropriate drm driver */
if (!pipe_loader_drm_probe_fd(&ctx->dev, fd, FALSE)) {
DBG("Failed to probe drm fd %d.\n", fd);
FREE(ctx);
close(fd);
return D3DERR_DRIVERINTERNALERROR;
}
/* use pipe-loader to create a drm screen (hal) */
ctx->base.hal = NULL;
for (i = 0; !ctx->base.hal && i < Elements(paths); ++i) {
if (!paths[i]) { continue; }
ctx->base.hal = pipe_loader_create_screen(ctx->dev, paths[i]);
}
if (!ctx->base.hal) {
DBG("Unable to load requested driver.\n");
pipe_loader_release(&ctx->dev, 1);
FREE(ctx);
return D3DERR_DRIVERINTERNALERROR;
}
/* wrap it to create a software screen that can share resources */
if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal)) {
ctx->base.ref = NULL;
for (i = 0; !ctx->base.ref && i < Elements(paths); ++i) {
if (!paths[i]) { continue; }
ctx->base.ref = pipe_loader_create_screen(ctx->swdev, paths[i]);
}
}
if (!ctx->base.ref) {
DBG("Couldn't wrap drm screen to swrast screen. Software devices "
"will be unavailable.\n");
}
/* read out PCI info */
read_descriptor(&ctx->base, fd);
/* create and return new ID3DAdapter9 */
hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
if (FAILED(hr)) {
if (ctx->swdev) { pipe_loader_release(&ctx->swdev, 1); }
pipe_loader_release(&ctx->dev, 1);
FREE(ctx);
return hr;
}
return D3D_OK;
}
static HRESULT WINAPI
drm_create_adapter( int fd,
ID3DAdapter9 **ppAdapter )
{
struct d3dadapter9drm_context *ctx = CALLOC_STRUCT(d3dadapter9drm_context);
HRESULT hr;
bool different_device;
driOptionCache defaultInitOptions;
driOptionCache userInitOptions;
int throttling_value_user = -2;
int override_vendorid = -1;
if (!ctx) { return E_OUTOFMEMORY; }
ctx->base.destroy = drm_destroy;
/* Although the fd is provided from external source, mesa/nine
* takes ownership of it. */
fd = loader_get_user_preferred_fd(fd, &different_device);
ctx->fd = fd;
ctx->base.linear_framebuffer = different_device;
if (!pipe_loader_drm_probe_fd(&ctx->dev, fd)) {
ERR("Failed to probe drm fd %d.\n", fd);
FREE(ctx);
close(fd);
return D3DERR_DRIVERINTERNALERROR;
}
ctx->base.hal = pipe_loader_create_screen(ctx->dev);
if (!ctx->base.hal) {
ERR("Unable to load requested driver.\n");
drm_destroy(&ctx->base);
return D3DERR_DRIVERINTERNALERROR;
}
if (!ctx->base.hal->get_param(ctx->base.hal, PIPE_CAP_DMABUF)) {
ERR("The driver is not capable of dma-buf sharing."
"Abandon to load nine state tracker\n");
drm_destroy(&ctx->base);
return D3DERR_DRIVERINTERNALERROR;
}
/* Previously was set to PIPE_CAP_MAX_FRAMES_IN_FLIGHT,
* but the change of value of this cap to 1 seems to cause
* regressions. */
ctx->base.throttling_value = 2;
ctx->base.throttling = ctx->base.throttling_value > 0;
driParseOptionInfo(&defaultInitOptions, __driConfigOptionsNine);
driParseConfigFiles(&userInitOptions, &defaultInitOptions, 0, "nine", NULL);
if (driCheckOption(&userInitOptions, "throttle_value", DRI_INT)) {
throttling_value_user = driQueryOptioni(&userInitOptions, "throttle_value");
if (throttling_value_user == -1)
ctx->base.throttling = FALSE;
else if (throttling_value_user >= 0) {
ctx->base.throttling = TRUE;
ctx->base.throttling_value = throttling_value_user;
}
}
if (driCheckOption(&userInitOptions, "vblank_mode", DRI_ENUM))
ctx->base.vblank_mode = driQueryOptioni(&userInitOptions, "vblank_mode");
else
ctx->base.vblank_mode = 1;
if (driCheckOption(&userInitOptions, "thread_submit", DRI_BOOL))
ctx->base.thread_submit = driQueryOptionb(&userInitOptions, "thread_submit");
else
ctx->base.thread_submit = different_device;
if (driCheckOption(&userInitOptions, "override_vendorid", DRI_INT)) {
override_vendorid = driQueryOptioni(&userInitOptions, "override_vendorid");
}
if (driCheckOption(&userInitOptions, "discard_delayed_release", DRI_BOOL))
ctx->base.discard_delayed_release = driQueryOptionb(&userInitOptions, "discard_delayed_release");
else
ctx->base.discard_delayed_release = TRUE;
if (driCheckOption(&userInitOptions, "tearfree_discard", DRI_BOOL))
ctx->base.tearfree_discard = driQueryOptionb(&userInitOptions, "tearfree_discard");
else
ctx->base.tearfree_discard = FALSE;
if (ctx->base.tearfree_discard && !ctx->base.discard_delayed_release) {
ERR("tearfree_discard requires discard_delayed_release\n");
ctx->base.tearfree_discard = FALSE;
}
if (driCheckOption(&userInitOptions, "csmt_force", DRI_INT))
ctx->base.csmt_force = driQueryOptioni(&userInitOptions, "csmt_force");
else
ctx->base.csmt_force = -1;
if (driCheckOption(&userInitOptions, "dynamic_texture_workaround", DRI_BOOL))
ctx->base.dynamic_texture_workaround = driQueryOptionb(&userInitOptions, "dynamic_texture_workaround");
else
ctx->base.dynamic_texture_workaround = FALSE;
if (driCheckOption(&userInitOptions, "shader_inline_constants", DRI_BOOL))
ctx->base.shader_inline_constants = driQueryOptionb(&userInitOptions, "shader_inline_constants");
else
ctx->base.shader_inline_constants = FALSE;
driDestroyOptionCache(&userInitOptions);
driDestroyOptionInfo(&defaultInitOptions);
/* wrap it to create a software screen that can share resources */
if (pipe_loader_sw_probe_wrapped(&ctx->swdev, ctx->base.hal))
ctx->base.ref = pipe_loader_create_screen(ctx->swdev);
if (!ctx->base.ref) {
ERR("Couldn't wrap drm screen to swrast screen. Software devices "
"will be unavailable.\n");
}
/* read out PCI info */
read_descriptor(&ctx->base, fd, override_vendorid);
/* create and return new ID3DAdapter9 */
hr = NineAdapter9_new(&ctx->base, (struct NineAdapter9 **)ppAdapter);
if (FAILED(hr)) {
drm_destroy(&ctx->base);
return hr;
}
return D3D_OK;
}
struct vl_screen *
vl_dri2_screen_create(Display *display, int screen)
{
struct vl_dri_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri2_query_version_cookie_t dri2_query_cookie;
xcb_dri2_query_version_reply_t *dri2_query = NULL;
xcb_dri2_connect_cookie_t connect_cookie;
xcb_dri2_connect_reply_t *connect = NULL;
xcb_dri2_authenticate_cookie_t authenticate_cookie;
xcb_dri2_authenticate_reply_t *authenticate = NULL;
xcb_screen_iterator_t s;
xcb_generic_error_t *error = NULL;
char *device_name;
int fd, device_name_length;
unsigned driverType;
drm_magic_t magic;
assert(display);
scrn = CALLOC_STRUCT(vl_dri_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn, &xcb_dri2_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri2_id);
if (!(extension && extension->present))
goto free_screen;
dri2_query_cookie = xcb_dri2_query_version (scrn->conn,
XCB_DRI2_MAJOR_VERSION,
XCB_DRI2_MINOR_VERSION);
dri2_query = xcb_dri2_query_version_reply (scrn->conn, dri2_query_cookie, &error);
if (dri2_query == NULL || error != NULL || dri2_query->minor_version < 2)
goto free_query;
s = xcb_setup_roots_iterator(xcb_get_setup(scrn->conn));
scrn->base.xcb_screen = get_xcb_screen(s, screen);
if (!scrn->base.xcb_screen)
goto free_query;
driverType = XCB_DRI2_DRIVER_TYPE_DRI;
{
char *prime = getenv("DRI_PRIME");
if (prime) {
unsigned primeid;
errno = 0;
primeid = strtoul(prime, NULL, 0);
if (errno == 0)
driverType |=
((primeid & DRI2DriverPrimeMask) << DRI2DriverPrimeShift);
}
}
connect_cookie = xcb_dri2_connect_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, driverType);
connect = xcb_dri2_connect_reply(scrn->conn, connect_cookie, NULL);
if (connect == NULL ||
connect->driver_name_length + connect->device_name_length == 0)
goto free_connect;
device_name_length = xcb_dri2_connect_device_name_length(connect);
device_name = CALLOC(1, device_name_length + 1);
if (!device_name)
goto free_connect;
memcpy(device_name, xcb_dri2_connect_device_name(connect), device_name_length);
fd = loader_open_device(device_name);
free(device_name);
if (fd < 0)
goto free_connect;
if (drmGetMagic(fd, &magic))
goto close_fd;
authenticate_cookie = xcb_dri2_authenticate_unchecked(
scrn->conn, ((xcb_screen_t *)(scrn->base.xcb_screen))->root, magic);
authenticate = xcb_dri2_authenticate_reply(scrn->conn, authenticate_cookie, NULL);
if (authenticate == NULL || !authenticate->authenticated)
goto free_authenticate;
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->base.destroy = vl_dri2_screen_destroy;
scrn->base.texture_from_drawable = vl_dri2_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri2_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri2_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri2_screen_set_next_timestamp;
scrn->base.get_private = vl_dri2_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri2_flush_frontbuffer;
vl_compositor_reset_dirty_area(&scrn->dirty_areas[0]);
vl_compositor_reset_dirty_area(&scrn->dirty_areas[1]);
/* The pipe loader duplicates the fd */
close(fd);
free(authenticate);
free(connect);
free(dri2_query);
free(error);
return &scrn->base;
release_pipe:
if (scrn->base.dev)
pipe_loader_release(&scrn->base.dev, 1);
free_authenticate:
free(authenticate);
close_fd:
close(fd);
free_connect:
free(connect);
free_query:
free(dri2_query);
free(error);
free_screen:
FREE(scrn);
return NULL;
}
struct vl_screen *
vl_dri3_screen_create(Display *display, int screen)
{
struct vl_dri3_screen *scrn;
const xcb_query_extension_reply_t *extension;
xcb_dri3_open_cookie_t open_cookie;
xcb_dri3_open_reply_t *open_reply;
xcb_get_geometry_cookie_t geom_cookie;
xcb_get_geometry_reply_t *geom_reply;
xcb_xfixes_query_version_cookie_t xfixes_cookie;
xcb_xfixes_query_version_reply_t *xfixes_reply;
xcb_generic_error_t *error;
int fd;
assert(display);
scrn = CALLOC_STRUCT(vl_dri3_screen);
if (!scrn)
return NULL;
scrn->conn = XGetXCBConnection(display);
if (!scrn->conn)
goto free_screen;
xcb_prefetch_extension_data(scrn->conn , &xcb_dri3_id);
xcb_prefetch_extension_data(scrn->conn, &xcb_present_id);
xcb_prefetch_extension_data (scrn->conn, &xcb_xfixes_id);
extension = xcb_get_extension_data(scrn->conn, &xcb_dri3_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_present_id);
if (!(extension && extension->present))
goto free_screen;
extension = xcb_get_extension_data(scrn->conn, &xcb_xfixes_id);
if (!(extension && extension->present))
goto free_screen;
xfixes_cookie = xcb_xfixes_query_version(scrn->conn, XCB_XFIXES_MAJOR_VERSION,
XCB_XFIXES_MINOR_VERSION);
xfixes_reply = xcb_xfixes_query_version_reply(scrn->conn, xfixes_cookie, &error);
if (!xfixes_reply || error || xfixes_reply->major_version < 2) {
free(error);
free(xfixes_reply);
goto free_screen;
}
free(xfixes_reply);
open_cookie = xcb_dri3_open(scrn->conn, RootWindow(display, screen), None);
open_reply = xcb_dri3_open_reply(scrn->conn, open_cookie, NULL);
if (!open_reply)
goto free_screen;
if (open_reply->nfd != 1) {
free(open_reply);
goto free_screen;
}
fd = xcb_dri3_open_reply_fds(scrn->conn, open_reply)[0];
if (fd < 0) {
free(open_reply);
goto free_screen;
}
fcntl(fd, F_SETFD, FD_CLOEXEC);
free(open_reply);
fd = loader_get_user_preferred_fd(fd, &scrn->is_different_gpu);
geom_cookie = xcb_get_geometry(scrn->conn, RootWindow(display, screen));
geom_reply = xcb_get_geometry_reply(scrn->conn, geom_cookie, NULL);
if (!geom_reply)
goto close_fd;
scrn->base.xcb_screen = dri3_get_screen_for_root(scrn->conn, geom_reply->root);
if (!scrn->base.xcb_screen) {
free(geom_reply);
goto close_fd;
}
/* TODO support depth other than 24 or 30 */
if (geom_reply->depth != 24 && geom_reply->depth != 30) {
free(geom_reply);
goto close_fd;
}
scrn->base.color_depth = geom_reply->depth;
free(geom_reply);
if (pipe_loader_drm_probe_fd(&scrn->base.dev, fd))
scrn->base.pscreen = pipe_loader_create_screen(scrn->base.dev);
if (!scrn->base.pscreen)
goto release_pipe;
scrn->pipe = scrn->base.pscreen->context_create(scrn->base.pscreen,
NULL, 0);
if (!scrn->pipe)
goto no_context;
scrn->base.destroy = vl_dri3_screen_destroy;
scrn->base.texture_from_drawable = vl_dri3_screen_texture_from_drawable;
scrn->base.get_dirty_area = vl_dri3_screen_get_dirty_area;
scrn->base.get_timestamp = vl_dri3_screen_get_timestamp;
scrn->base.set_next_timestamp = vl_dri3_screen_set_next_timestamp;
scrn->base.get_private = vl_dri3_screen_get_private;
scrn->base.pscreen->flush_frontbuffer = vl_dri3_flush_frontbuffer;
scrn->base.set_back_texture_from_output = vl_dri3_screen_set_back_texture_from_output;
scrn->next_back = 1;
return &scrn->base;
no_context:
scrn->base.pscreen->destroy(scrn->base.pscreen);
release_pipe:
if (scrn->base.dev) {
pipe_loader_release(&scrn->base.dev, 1);
fd = -1;
}
close_fd:
if (fd != -1)
close(fd);
free_screen:
FREE(scrn);
return NULL;
}
