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libobs: Add high-precision sRGB support

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This commit is contained in:
jpark37
2022-04-08 17:19:23 -07:00
committed by Jim
parent 848e128435
commit 06111d5b10
10 changed files with 329 additions and 101 deletions
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libobs/obs-scene.c
+8
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@@ -612,6 +612,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_SCRGB:
switch (source_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
case GS_CS_709_EXTENDED:
multiplier = obs_get_video_sdr_white_level() / 80.f;
}
@@ -621,6 +622,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_SCRGB:
switch (current_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
case GS_CS_709_EXTENDED:
multiplier = 80.f / obs_get_video_sdr_white_level();
}
@@ -631,6 +633,7 @@ static void render_item_texture(struct obs_scene_item *item,
tech_name = "DrawUpscale";
switch (source_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
switch (current_space) {
case GS_CS_709_SCRGB:
tech_name = "DrawUpscaleMultiply";
@@ -639,6 +642,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_EXTENDED:
switch (current_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
tech_name = "DrawUpscaleTonemap";
break;
case GS_CS_709_SCRGB:
@@ -648,6 +652,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_SCRGB:
switch (current_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
tech_name = "DrawUpscaleMultiplyTonemap";
break;
case GS_CS_709_EXTENDED:
@@ -657,6 +662,7 @@ static void render_item_texture(struct obs_scene_item *item,
} else {
switch (source_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
switch (current_space) {
case GS_CS_709_SCRGB:
tech_name = "DrawMultiply";
@@ -665,6 +671,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_EXTENDED:
switch (current_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
tech_name = "DrawTonemap";
break;
case GS_CS_709_SCRGB:
@@ -674,6 +681,7 @@ static void render_item_texture(struct obs_scene_item *item,
case GS_CS_709_SCRGB:
switch (current_space) {
case GS_CS_SRGB:
case GS_CS_SRGB_16F:
tech_name = "DrawMultiplyTonemap";
break;
case GS_CS_709_EXTENDED: