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Fix unreliable scaling filter

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Two changes were made:

- Bind the texture before glTexParameteri
- Set the scaling filter before each wlr_render_texture_with_matrix call

Logging in wlroots allows to check that the scaling filter is properly
set prior to rendering.

Fixes: 6968fb3123 ("add scale_filter output config option")
Closes: https://github.com/swaywm/sway/issues/4798
This commit is contained in:
Simon Ser 2020-01-13 16:13:50 +01:00 committed by Drew DeVault
parent c976a14933
commit 679aa6032d
1 changed files with 7 additions and 2 deletions
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9
sway/desktop/render.c
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@ -81,6 +81,8 @@ static void set_scale_filter(struct wlr_output *wlr_output,
struct wlr_gles2_texture_attribs attribs;
wlr_gles2_texture_get_attribs(texture, &attribs);
glBindTexture(attribs.target, attribs.tex);
switch (scale_filter) {
case SCALE_FILTER_LINEAR:
glTexParameteri(attribs.target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@ -99,6 +101,10 @@ static void render_texture(struct wlr_output *wlr_output,
const struct wlr_box *box, const float matrix[static 9], float alpha) {
struct wlr_renderer *renderer =
wlr_backend_get_renderer(wlr_output->backend);
struct sway_output *output = wlr_output->data;
struct wlr_gles2_texture_attribs attribs;
wlr_gles2_texture_get_attribs(texture, &attribs);
pixman_region32_t damage;
pixman_region32_init(&damage);
@ -114,6 +120,7 @@ static void render_texture(struct wlr_output *wlr_output,
pixman_box32_t *rects = pixman_region32_rectangles(&damage, &nrects);
for (int i = 0; i < nrects; ++i) {
scissor_output(wlr_output, &rects[i]);
set_scale_filter(wlr_output, texture, output->scale_filter);
wlr_render_texture_with_matrix(renderer, texture, matrix, alpha);
}
@ -143,7 +150,6 @@ static void render_surface_iterator(struct sway_output *output, struct sway_view
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
set_scale_filter(wlr_output, texture, output->scale_filter);
render_texture(wlr_output, output_damage, texture, &box, matrix, alpha);
wlr_presentation_surface_sampled_on_output(server.presentation, surface,
@ -293,7 +299,6 @@ static void render_saved_view(struct sway_view *view,
wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
wlr_output->transform_matrix);
set_scale_filter(wlr_output, view->saved_buffer->texture, output->scale_filter);
render_texture(wlr_output, damage, view->saved_buffer->texture,
&box, matrix, alpha);