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Add option to enable HDR rendering in 2D

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This is needed to allow 2D to fully make use of 3D effects (e.g. glow), and can be used to substantially improve quality of 2D rendering at the cost of performance

Additionally, the 2D rendering pipeline is done in linear space (we skip linear_to_srgb conversion in 3D tonemapping) so the entire Viewport can be kept linear.
This is necessary for proper HDR screen support in the future.
This commit is contained in:
clayjohn 2023-08-03 14:10:01 +02:00
parent 237bd0a615
commit 57eb762bae
40 changed files with 309 additions and 105 deletions
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3
servers/rendering/renderer_viewport.h
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@ -116,6 +116,7 @@ public:
RS::CanvasItemTextureRepeat texture_repeat = RS::CANVAS_ITEM_TEXTURE_REPEAT_DISABLED;
bool transparent_bg = false;
bool use_hdr_2d = false;
uint32_t canvas_cull_mask = 0xffffffff;
@ -157,6 +158,7 @@ public:
update_mode = RS::VIEWPORT_UPDATE_WHEN_VISIBLE;
clear_mode = RS::VIEWPORT_CLEAR_ALWAYS;
transparent_bg = false;
use_hdr_2d = false;
viewport_to_screen = DisplayServer::INVALID_WINDOW_ID;
shadow_atlas_size = 0;
@ -250,6 +252,7 @@ public:
void viewport_remove_canvas(RID p_viewport, RID p_canvas);
void viewport_set_canvas_transform(RID p_viewport, RID p_canvas, const Transform2D &p_offset);
void viewport_set_transparent_background(RID p_viewport, bool p_enabled);
void viewport_set_use_hdr_2d(RID p_viewport, bool p_use_hdr_2d);
void viewport_set_global_canvas_transform(RID p_viewport, const Transform2D &p_transform);
void viewport_set_canvas_stacking(RID p_viewport, RID p_canvas, int p_layer, int p_sublayer);