win-capture: Remove buffering from window capture
Removes the unnecessary buffering from window capture to prevent window capture from being one frame out of sync
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@@ -5,20 +5,18 @@
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static inline void init_textures(struct dc_capture *capture)
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{
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for (int i = 0; i < capture->num_textures; i++) {
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if (capture->compatibility)
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capture->textures[i] = gs_texture_create(
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capture->width, capture->height,
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GS_BGRA, 1, NULL, GS_DYNAMIC);
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else
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capture->textures[i] = gs_texture_create_gdi(
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capture->width, capture->height);
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if (capture->compatibility)
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capture->texture = gs_texture_create(
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capture->width, capture->height,
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GS_BGRA, 1, NULL, GS_DYNAMIC);
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else
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capture->texture = gs_texture_create_gdi(
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capture->width, capture->height);
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if (!capture->textures[i]) {
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blog(LOG_WARNING, "[dc_capture_init] Failed to "
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"create textures");
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return;
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}
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if (!capture->texture) {
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blog(LOG_WARNING, "[dc_capture_init] Failed to "
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"create textures");
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return;
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}
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capture->valid = true;
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@@ -42,7 +40,6 @@ void dc_capture_init(struct dc_capture *capture, int x, int y,
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compatibility = true;
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capture->compatibility = compatibility;
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capture->num_textures = compatibility ? 1 : 2;
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init_textures(capture);
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@@ -77,10 +74,7 @@ void dc_capture_free(struct dc_capture *capture)
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}
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obs_enter_graphics();
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for (int i = 0; i < capture->num_textures; i++)
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gs_texture_destroy(capture->textures[i]);
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gs_texture_destroy(capture->texture);
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obs_leave_graphics();
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memset(capture, 0, sizeof(struct dc_capture));
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@@ -126,16 +120,16 @@ static inline HDC dc_capture_get_dc(struct dc_capture *capture)
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if (capture->compatibility)
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return capture->hdc;
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else
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return gs_texture_get_dc(capture->textures[capture->cur_tex]);
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return gs_texture_get_dc(capture->texture);
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}
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static inline void dc_capture_release_dc(struct dc_capture *capture)
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{
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if (capture->compatibility) {
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gs_texture_set_image(capture->textures[capture->cur_tex],
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gs_texture_set_image(capture->texture,
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capture->bits, capture->width*4, false);
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} else {
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gs_texture_release_dc(capture->textures[capture->cur_tex]);
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gs_texture_release_dc(capture->texture);
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}
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}
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@@ -150,9 +144,6 @@ void dc_capture_capture(struct dc_capture *capture, HWND window)
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capture->cursor_captured = GetCursorInfo(&capture->ci);
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}
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if (++capture->cur_tex == capture->num_textures)
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capture->cur_tex = 0;
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hdc = dc_capture_get_dc(capture);
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if (!hdc) {
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blog(LOG_WARNING, "[capture_screen] Failed to get "
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@@ -172,13 +163,12 @@ void dc_capture_capture(struct dc_capture *capture, HWND window)
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dc_capture_release_dc(capture);
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capture->textures_written[capture->cur_tex] = true;
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capture->texture_written = true;
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}
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static void draw_texture(struct dc_capture *capture, int id,
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gs_effect_t *effect)
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static void draw_texture(struct dc_capture *capture, gs_effect_t *effect)
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{
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gs_texture_t *texture = capture->textures[id];
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gs_texture_t *texture = capture->texture;
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gs_technique_t *tech = gs_effect_get_technique(effect, "Draw");
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gs_eparam_t *image = gs_effect_get_param_by_name(effect, "image");
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size_t passes;
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@@ -201,12 +191,6 @@ static void draw_texture(struct dc_capture *capture, int id,
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void dc_capture_render(struct dc_capture *capture, gs_effect_t *effect)
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{
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int last_tex = (capture->cur_tex > 0) ?
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capture->cur_tex-1 : capture->num_textures-1;
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if (!capture->valid)
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return;
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if (capture->textures_written[last_tex])
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draw_texture(capture, last_tex, effect);
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if (capture->valid && capture->texture_written)
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draw_texture(capture, effect);
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}
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