static bool obs_init_textures(struct obs_video_info *ovi)
{
struct obs_video *video = &obs->video;
size_t i;
for (i = 0; i < NUM_TEXTURES; i++) {
video->copy_surfaces[i] = gs_create_stagesurface(
ovi->output_width, ovi->output_height,
GS_RGBA);
if (!video->copy_surfaces[i])
return false;
video->render_textures[i] = gs_create_texture(
ovi->base_width, ovi->base_height,
GS_RGBA, 1, NULL, GS_RENDERTARGET);
if (!video->render_textures[i])
return false;
video->output_textures[i] = gs_create_texture(
ovi->output_width, ovi->output_height,
GS_RGBA, 1, NULL, GS_RENDERTARGET);
if (!video->output_textures[i])
return false;
}
return true;
}
static void *random_create(obs_data_t settings, obs_source_t source)
{
struct random_tex *rt = bzalloc(sizeof(struct random_tex));
uint32_t *pixels = bmalloc(20*20*4);
size_t x, y;
for (y = 0; y < 20; y++) {
for (x = 0; x < 20; x++) {
uint32_t pixel = 0xFF000000;
pixel |= (rand()%256);
pixel |= (rand()%256) << 8;
pixel |= (rand()%256) << 16;
//pixel |= 0xFFFFFFFF;
pixels[y*20 + x] = pixel;
}
}
gs_entercontext(obs_graphics());
rt->texture = gs_create_texture(20, 20, GS_RGBA, 1,
(const void**)&pixels, 0);
bfree(pixels);
if (!rt->texture) {
random_destroy(rt);
return NULL;
}
gs_leavecontext();
UNUSED_PARAMETER(settings);
UNUSED_PARAMETER(source);
return rt;
}
static inline bool set_async_texture_size(struct obs_source *source,
struct source_frame *frame)
{
enum convert_type prev, cur;
prev = get_convert_type(source->async_format);
cur = get_convert_type(frame->format);
if (source->async_texture) {
if (source->async_width == frame->width &&
source->async_height == frame->height &&
prev == cur)
return true;
}
texture_destroy(source->async_texture);
texrender_destroy(source->async_convert_texrender);
source->async_convert_texrender = NULL;
if (cur != CONVERT_NONE && init_gpu_conversion(source, frame)) {
source->async_gpu_conversion = true;
source->async_convert_texrender =
texrender_create(GS_RGBA, GS_ZS_NONE);
source->async_texture = gs_create_texture(
source->async_convert_width,
source->async_convert_height,
GS_RGBA, 1, NULL, GS_DYNAMIC);
} else {
source->async_gpu_conversion = false;
source->async_texture = gs_create_texture(
frame->width, frame->height,
GS_RGBA, 1, NULL, GS_DYNAMIC);
}
if (!source->async_texture)
return false;
source->async_width = frame->width;
source->async_height = frame->height;
return true;
}
static bool obs_init_textures(struct obs_video_info *ovi)
{
struct obs_core_video *video = &obs->video;
bool yuv = format_is_yuv(ovi->output_format);
uint32_t output_height = video->gpu_conversion ?
video->conversion_height : ovi->output_height;
size_t i;
for (i = 0; i < NUM_TEXTURES; i++) {
video->copy_surfaces[i] = gs_create_stagesurface(
ovi->output_width, output_height, GS_RGBA);
if (!video->copy_surfaces[i])
return false;
video->render_textures[i] = gs_create_texture(
ovi->base_width, ovi->base_height,
GS_RGBA, 1, NULL, GS_RENDERTARGET);
if (!video->render_textures[i])
return false;
video->output_textures[i] = gs_create_texture(
ovi->output_width, ovi->output_height,
GS_RGBA, 1, NULL, GS_RENDERTARGET);
if (!video->output_textures[i])
return false;
if (yuv)
source_frame_init(&video->convert_frames[i],
ovi->output_format,
ovi->output_width, ovi->output_height);
}
return true;
}
static bool set_texture_size(obs_source_t source, struct source_frame *frame)
{
if (source->output_texture) {
uint32_t width = texture_getwidth(source->output_texture);
uint32_t height = texture_getheight(source->output_texture);
if (width == frame->width && height == frame->height)
return true;
}
texture_destroy(source->output_texture);
source->output_texture = gs_create_texture(frame->width, frame->height,
GS_RGBA, 1, NULL, GS_DYNAMIC);
return source->output_texture != NULL;
}
texture_t gs_create_texture_from_file(const char *file)
{
struct ffmpeg_image image;
texture_t tex = NULL;
if (ffmpeg_image_init(&image, file)) {
uint8_t *data = malloc(image.cx * image.cy * 4);
if (ffmpeg_image_decode(&image, data, image.cx * 4)) {
tex = gs_create_texture(image.cx, image.cy,
convert_format(image.format),
1, (const uint8_t**)&data, 0);
}
ffmpeg_image_free(&image);
free(data);
}
return tex;
}
static inline void init_textures(struct dc_capture *capture)
{
for (size_t i = 0; i < capture->num_textures; i++) {
if (capture->compatibility)
capture->textures[i] = gs_create_texture(
capture->width, capture->height,
GS_BGRA, 1, NULL, GS_DYNAMIC);
else
capture->textures[i] = gs_create_gdi_texture(
capture->width, capture->height);
if (!capture->textures[i]) {
blog(LOG_WARNING, "[dc_capture_init] Failed to "
"create textures");
return;
}
}
capture->valid = true;
}
/*
* Create the cursor texture, either by updating if the new cursor has the same
* size or by creating a new texture if the size is different
*/
static void xcursor_create(xcursor_t *data, XFixesCursorImage *xc) {
uint32_t *pixels = xcursor_pixels(xc);
if (data->tex
&& data->last_height == xc->width
&& data->last_width == xc->height) {
texture_setimage(data->tex, (void **) pixels,
xc->width * sizeof(uint32_t), False);
} else {
if (data->tex)
texture_destroy(data->tex);
data->tex = gs_create_texture(xc->width, xc->height,
GS_BGRA, 1, (const void **) &pixels, GS_DYNAMIC);
}
bfree(pixels);
data->last_serial = xc->cursor_serial;
data->last_width = xc->width;
data->last_height = xc->height;
}
static bool obs_init_gpu_conversion(struct obs_video_info *ovi)
{
struct obs_core_video *video = &obs->video;
calc_gpu_conversion_sizes(ovi);
if (!video->conversion_height) {
blog(LOG_INFO, "GPU conversion not available for format: %u",
(unsigned int)ovi->output_format);
video->gpu_conversion = false;
return true;
}
for (size_t i = 0; i < NUM_TEXTURES; i++) {
video->convert_textures[i] = gs_create_texture(
ovi->output_width, video->conversion_height,
GS_RGBA, 1, NULL, GS_RENDERTARGET);
if (!video->convert_textures[i])
return false;
}
return true;
}
void XCompcapMain::updateSettings(obs_data_t settings)
{
PLock lock(&p->lock);
XErrorLock xlock;
ObsGsContextHolder obsctx;
blog(LOG_DEBUG, "Settings updating");
Window prevWin = p->win;
xcc_cleanup(p);
if (settings) {
const char *windowName = obs_data_getstring(settings,
"capture_window");
p->win = getWindowFromString(windowName);
p->cut_top = obs_data_getint(settings, "cut_top");
p->cut_left = obs_data_getint(settings, "cut_left");
p->cut_right = obs_data_getint(settings, "cut_right");
p->cut_bot = obs_data_getint(settings, "cut_bot");
p->lockX = obs_data_getbool(settings, "lock_x");
p->swapRedBlue = obs_data_getbool(settings, "swap_redblue");
} else {
p->win = prevWin;
}
xlock.resetError();
XCompositeRedirectWindow(xdisp, p->win, CompositeRedirectAutomatic);
if (xlock.gotError()) {
blog(LOG_ERROR, "XCompositeRedirectWindow failed: %s",
xlock.getErrorText().c_str());
return;
}
XSelectInput(xdisp, p->win, StructureNotifyMask);
XSync(xdisp, 0);
XWindowAttributes attr;
if (!XGetWindowAttributes(xdisp, p->win, &attr)) {
p->win = 0;
p->width = 0;
p->height = 0;
return;
}
gs_color_format cf = GS_RGBA;
p->width = attr.width;
p->height = attr.height;
if (p->cut_top + p->cut_bot < (int)p->height) {
p->cur_cut_top = p->cut_top;
p->cur_cut_bot = p->cut_bot;
} else {
p->cur_cut_top = 0;
p->cur_cut_bot = 0;
}
if (p->cut_left + p->cut_right < (int)p->width) {
p->cur_cut_left = p->cut_left;
p->cur_cut_right = p->cut_right;
} else {
p->cur_cut_left = 0;
p->cur_cut_right = 0;
}
if (p->tex)
texture_destroy(p->tex);
uint8_t *texData = new uint8_t[width() * height() * 4];
for (unsigned int i = 0; i < width() * height() * 4; i += 4) {
texData[i + 0] = p->swapRedBlue ? 0 : 0xFF;
texData[i + 1] = 0;
texData[i + 2] = p->swapRedBlue ? 0xFF : 0;
texData[i + 3] = 0xFF;
}
const uint8_t* texDataArr[] = { texData, 0 };
p->tex = gs_create_texture(width(), height(), cf, 1,
texDataArr, 0);
delete[] texData;
if (p->swapRedBlue) {
GLuint tex = *(GLuint*)texture_getobj(p->tex);
glBindTexture(GL_TEXTURE_2D, tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_B, GL_RED);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_R, GL_BLUE);
glBindTexture(GL_TEXTURE_2D, 0);
}
const int attrs[] =
{
GLX_BIND_TO_TEXTURE_RGBA_EXT, GL_TRUE,
GLX_DRAWABLE_TYPE, GLX_PIXMAP_BIT,
GLX_BIND_TO_TEXTURE_TARGETS_EXT, GLX_TEXTURE_2D_BIT_EXT,
GLX_DOUBLEBUFFER, GL_FALSE,
None
};
int nelem = 0;
GLXFBConfig* configs = glXChooseFBConfig(xdisp,
XCompcap::getRootWindowScreen(attr.root),
attrs, &nelem);
if (nelem <= 0) {
blog(LOG_ERROR, "no matching fb config found");
p->win = 0;
p->height = 0;
p->width = 0;
return;
}
glXGetFBConfigAttrib(xdisp, configs[0], GLX_Y_INVERTED_EXT, &nelem);
p->inverted = nelem != 0;
xlock.resetError();
p->pixmap = XCompositeNameWindowPixmap(xdisp, p->win);
if (xlock.gotError()) {
blog(LOG_ERROR, "XCompositeNameWindowPixmap failed: %s",
xlock.getErrorText().c_str());
p->pixmap = 0;
XFree(configs);
return;
}
const int attribs[] =
{
GLX_TEXTURE_TARGET_EXT, GLX_TEXTURE_2D_EXT,
GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGBA_EXT,
None
};
p->glxpixmap = glXCreatePixmap(xdisp, configs[0], p->pixmap, attribs);
if (xlock.gotError()) {
blog(LOG_ERROR, "glXCreatePixmap failed: %s",
xlock.getErrorText().c_str());
XFreePixmap(xdisp, p->pixmap);
XFree(configs);
p->pixmap = 0;
p->glxpixmap = 0;
return;
}
XFree(configs);
p->gltex = gs_create_texture(p->width, p->height, cf, 1, 0,
GS_GL_DUMMYTEX);
GLuint gltex = *(GLuint*)texture_getobj(p->gltex);
glBindTexture(GL_TEXTURE_2D, gltex);
glXBindTexImageEXT(xdisp, p->glxpixmap, GLX_FRONT_LEFT_EXT, NULL);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
