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@@ -36,6 +36,7 @@
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#define SETTING_COMPATIBILITY "sli_compatibility"
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#define SETTING_CURSOR "capture_cursor"
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#define SETTING_TRANSPARENCY "allow_transparency"
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+#define SETTING_PREMULTIPLIED_ALPHA "premultiplied_alpha"
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#define SETTING_LIMIT_FRAMERATE "limit_framerate"
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#define SETTING_CAPTURE_OVERLAYS "capture_overlays"
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#define SETTING_ANTI_CHEAT_HOOK "anti_cheat_hook"
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@@ -58,6 +59,7 @@
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#define TEXT_ANY_FULLSCREEN obs_module_text("GameCapture.AnyFullscreen")
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#define TEXT_SLI_COMPATIBILITY obs_module_text("SLIFix")
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#define TEXT_ALLOW_TRANSPARENCY obs_module_text("AllowTransparency")
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+#define TEXT_PREMULTIPLIED_ALPHA obs_module_text("PremultipliedAlpha")
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#define TEXT_WINDOW obs_module_text("WindowCapture.Window")
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#define TEXT_MATCH_PRIORITY obs_module_text("WindowCapture.Priority")
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#define TEXT_MATCH_TITLE obs_module_text("WindowCapture.Priority.Title")
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@@ -113,6 +115,7 @@ struct game_capture_config {
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bool cursor;
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bool force_shmem;
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bool allow_transparency;
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+ bool premultiplied_alpha;
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bool limit_framerate;
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bool capture_overlays;
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bool anticheat_hook;
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@@ -456,6 +459,8 @@ static inline void get_config(struct game_capture_config *cfg,
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cfg->cursor = obs_data_get_bool(settings, SETTING_CURSOR);
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cfg->allow_transparency =
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obs_data_get_bool(settings, SETTING_TRANSPARENCY);
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+ cfg->premultiplied_alpha =
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+ obs_data_get_bool(settings, SETTING_PREMULTIPLIED_ALPHA);
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cfg->limit_framerate =
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obs_data_get_bool(settings, SETTING_LIMIT_FRAMERATE);
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cfg->capture_overlays =
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@@ -2238,7 +2243,13 @@ static void game_capture_render(void *data, gs_effect_t *unused)
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while (gs_effect_loop(effect, tech_name)) {
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const bool previous = gs_framebuffer_srgb_enabled();
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gs_enable_framebuffer_srgb(allow_transparency || linear_sample);
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+ gs_blend_state_push();
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gs_enable_blending(allow_transparency);
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+ gs_blend_function_separate(gc->config.premultiplied_alpha
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+ ? GS_BLEND_ONE
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+ : GS_BLEND_SRCALPHA,
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+ GS_BLEND_INVSRCALPHA, GS_BLEND_ONE,
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+ GS_BLEND_INVSRCALPHA);
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if (linear_sample)
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gs_effect_set_texture_srgb(image, texture);
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else
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@@ -2247,7 +2258,7 @@ static void game_capture_render(void *data, gs_effect_t *unused)
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"multiplier"),
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multiplier);
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gs_draw_sprite(texture, flip, 0, 0);
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- gs_enable_blending(true);
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+ gs_blend_state_pop();
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gs_enable_framebuffer_srgb(previous);
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}
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@@ -2302,6 +2313,7 @@ static void game_capture_defaults(obs_data_t *settings)
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obs_data_set_default_bool(settings, SETTING_COMPATIBILITY, false);
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obs_data_set_default_bool(settings, SETTING_CURSOR, true);
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obs_data_set_default_bool(settings, SETTING_TRANSPARENCY, false);
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+ obs_data_set_default_bool(settings, SETTING_PREMULTIPLIED_ALPHA, false);
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obs_data_set_default_bool(settings, SETTING_LIMIT_FRAMERATE, false);
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obs_data_set_default_bool(settings, SETTING_CAPTURE_OVERLAYS, false);
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obs_data_set_default_bool(settings, SETTING_ANTI_CHEAT_HOOK, true);
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@@ -2480,6 +2492,9 @@ static obs_properties_t *game_capture_properties(void *data)
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obs_properties_add_bool(ppts, SETTING_TRANSPARENCY,
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TEXT_ALLOW_TRANSPARENCY);
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+ obs_properties_add_bool(ppts, SETTING_PREMULTIPLIED_ALPHA,
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+ TEXT_PREMULTIPLIED_ALPHA);
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+
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obs_properties_add_bool(ppts, SETTING_LIMIT_FRAMERATE,
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TEXT_LIMIT_FRAMERATE);
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jpark37