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render/pass: accept fractional destination coordinates

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Signed-off-by: Loukas Agorgianitis <loukas@agorgianitis.com>
This commit is contained in:
Loukas Agorgianitis 2025-12-08 11:47:15 +02:00
parent 91c08d5a53
commit 5a49f2ae14
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GPG key ID: DDC6FA7D5BB332E6
13 changed files with 79 additions and 47 deletions
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24
render/gles2/pass.c
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@ -75,9 +75,9 @@ out:
return ok;
}
static void render(const struct wlr_box *box, const pixman_region32_t *clip, GLint attrib) {
static void render(const struct wlr_fbox *box, const pixman_region32_t *clip, GLint attrib) {
pixman_region32_t region;
pixman_region32_init_rect(&region, box->x, box->y, box->width, box->height);
pixman_region32_init_rect(&region, round(box->x), round(box->y), round(box->width), round(box->height));
if (clip) {
pixman_region32_intersect(&region, &region, clip);
@ -124,7 +124,7 @@ static void render(const struct wlr_box *box, const pixman_region32_t *clip, GLi
pixman_region32_fini(&region);
}
static void set_proj_matrix(GLint loc, float proj[9], const struct wlr_box *box) {
static void set_proj_matrix(GLint loc, float proj[9], const struct wlr_fbox *box) {
float gl_matrix[9];
wlr_matrix_identity(gl_matrix);
wlr_matrix_translate(gl_matrix, box->x, box->y);
@ -190,16 +190,16 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
abort();
}
struct wlr_box dst_box;
struct wlr_fbox src_fbox;
wlr_render_texture_options_get_src_box(options, &src_fbox);
struct wlr_fbox dst_box;
struct wlr_fbox src_box;
wlr_render_texture_options_get_src_box(options, &src_box);
wlr_render_texture_options_get_dst_box(options, &dst_box);
float alpha = wlr_render_texture_options_get_alpha(options);
src_fbox.x /= options->texture->width;
src_fbox.y /= options->texture->height;
src_fbox.width /= options->texture->width;
src_fbox.height /= options->texture->height;
src_box.x /= options->texture->width;
src_box.y /= options->texture->height;
src_box.width /= options->texture->width;
src_box.height /= options->texture->height;
push_gles2_debug(renderer);
@ -245,7 +245,7 @@ static void render_pass_add_texture(struct wlr_render_pass *wlr_pass,
glUniform1i(shader->tex, 0);
glUniform1f(shader->alpha, alpha);
set_proj_matrix(shader->proj, pass->projection_matrix, &dst_box);
set_tex_matrix(shader->tex_proj, options->transform, &src_fbox);
set_tex_matrix(shader->tex_proj, options->transform, &src_box);
render(&dst_box, options->clip, shader->pos_attrib);
@ -259,7 +259,7 @@ static void render_pass_add_rect(struct wlr_render_pass *wlr_pass,
struct wlr_gles2_renderer *renderer = pass->buffer->renderer;
const struct wlr_render_color *color = &options->color;
struct wlr_box box;
struct wlr_fbox box;
wlr_render_rect_options_get_box(options, pass->buffer->buffer, &box);
push_gles2_debug(renderer);