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Kms: fix region capture incorrect when monitor is rotated

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dec05eba
2025-11-14 03:43:04 +01:00
parent 20e101bfe9
commit bf6011ffcf
2 changed files with 9 additions and 8 deletions
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2
TODO
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@@ -348,3 +348,5 @@ Add option to save screenshot as .qoi. Use that then in gsr-ui for the backgroun
Support pausing recording when recording while replay/streaming. Support pausing recording when recording while replay/streaming.
Maybe use VK_VALVE_video_encode_rgb_conversion with vulkan encoding for shader-less rgb to yuv conversion. That would allow screen capture with no gpu processing. Maybe use VK_VALVE_video_encode_rgb_conversion with vulkan encoding for shader-less rgb to yuv conversion. That would allow screen capture with no gpu processing.
Cursor sometimes doesn't have color when capturing region scaled (on kde plasma wayland at least).

15
src/color_conversion.c
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@@ -483,6 +483,12 @@ static void gsr_color_conversion_draw_graphics(gsr_color_conversion *self, unsig
const vec2i dest_texture_size = self->params.destination_textures_size[0]; const vec2i dest_texture_size = self->params.destination_textures_size[0];
const int texture_target = external_texture ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D; const int texture_target = external_texture ? GL_TEXTURE_EXTERNAL_OES : GL_TEXTURE_2D;
if(rotation == GSR_ROT_90 || rotation == GSR_ROT_270) {
const float tmp = texture_size.x;
texture_size.x = texture_size.y;
texture_size.y = tmp;
}
self->params.egl->glBindTexture(texture_target, texture_id); self->params.egl->glBindTexture(texture_target, texture_id);
gsr_color_conversion_swizzle_texture_source(self, source_color); gsr_color_conversion_swizzle_texture_source(self, source_color);
@@ -501,18 +507,11 @@ static void gsr_color_conversion_draw_graphics(gsr_color_conversion *self, unsig
(float)source_position.y / (texture_size.y == 0 ? 1.0f : (float)texture_size.y), (float)source_position.y / (texture_size.y == 0 ? 1.0f : (float)texture_size.y),
}; };
vec2f texture_size_norm = { const vec2f texture_size_norm = {
(float)source_size.x / (texture_size.x == 0 ? 1.0f : (float)texture_size.x), (float)source_size.x / (texture_size.x == 0 ? 1.0f : (float)texture_size.x),
(float)source_size.y / (texture_size.y == 0 ? 1.0f : (float)texture_size.y), (float)source_size.y / (texture_size.y == 0 ? 1.0f : (float)texture_size.y),
}; };
if(rotation == GSR_ROT_90 || rotation == GSR_ROT_270) {
const float ratio_x = (double)source_size.x / (double)source_size.y;
const float ratio_y = (double)source_size.y / (double)source_size.x;
texture_size_norm.x *= ratio_y;
texture_size_norm.y *= ratio_x;
}
const float vertices[] = { const float vertices[] = {
-1.0f + 0.0f, -1.0f + 0.0f + size_norm.y, texture_pos_norm.x, texture_pos_norm.y + texture_size_norm.y, -1.0f + 0.0f, -1.0f + 0.0f + size_norm.y, texture_pos_norm.x, texture_pos_norm.y + texture_size_norm.y,
-1.0f + 0.0f, -1.0f + 0.0f, texture_pos_norm.x, texture_pos_norm.y, -1.0f + 0.0f, -1.0f + 0.0f, texture_pos_norm.x, texture_pos_norm.y,