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optimize a bit rootston renderer if there's no surface transform

This commit is contained in:
emersion 2017-12-01 16:20:09 +01:00
parent d1b29a54b9
commit eb763439f7
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GPG Key ID: 0FDE7BE0E88F5E48
1 changed files with 17 additions and 13 deletions
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18
rootston/output.c
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@ -63,6 +63,12 @@ static void render_surface(struct wlr_surface *surface,
float scale[16];
wlr_matrix_scale(&scale, render_width, render_height, 1);
float transform[16];
wlr_matrix_mul(&translate_center, &rotate, &transform);
wlr_matrix_mul(&transform, &translate_origin, &transform);
wlr_matrix_mul(&transform, &scale, &transform);
if (surface->current->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
float surface_translate_center[16];
wlr_matrix_translate(&surface_translate_center, 0.5, 0.5, 0);
@ -73,14 +79,12 @@ static void render_surface(struct wlr_surface *surface,
float surface_translate_origin[16];
wlr_matrix_translate(&surface_translate_origin, -0.5, -0.5, 0);
float transform[16];
wlr_matrix_mul(&translate_center, &rotate, &transform);
wlr_matrix_mul(&transform, &translate_origin, &transform);
wlr_matrix_mul(&transform, &scale, &transform);
wlr_matrix_mul(&transform, &surface_translate_center, &transform);
wlr_matrix_mul(&transform, &surface_translate_center,
&transform);
wlr_matrix_mul(&transform, &surface_transform, &transform);
wlr_matrix_mul(&transform, &surface_translate_origin, &transform);
wlr_matrix_mul(&transform, &surface_translate_origin,
&transform);
}
wlr_matrix_mul(&wlr_output->transform_matrix, &transform, &matrix);