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compositor: Use stride/4 as width for shm textures

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This commit is contained in:
Benjamin Franzke 2011-04-25 19:44:47 +02:00
parent cdd9db7ed2
commit fab5ec1215
2 changed files with 8 additions and 3 deletions
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10
compositor/compositor.c
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@ -359,8 +359,9 @@ wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
* overwrite it.*/
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
0, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, NULL);
es->pitch = wl_shm_buffer_get_stride(buffer) / 4;
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
buffer->width, buffer->height, 0,
es->pitch, buffer->height, 0,
GL_BGRA_EXT, GL_UNSIGNED_BYTE,
wl_shm_buffer_get_data(buffer));
es->visual = buffer->visual;
@ -377,6 +378,7 @@ wlsc_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, es->image);
es->visual = buffer->visual;
es->pitch = es->width;
}
}
@ -385,6 +387,7 @@ wlsc_sprite_attach(struct wlsc_sprite *sprite, struct wl_surface *surface)
{
struct wlsc_surface *es = (struct wlsc_surface *) surface;
es->pitch = es->width;
es->image = sprite->image;
if (sprite->image != EGL_NO_IMAGE_KHR) {
glBindTexture(GL_TEXTURE_2D, es->texture);
@ -537,7 +540,7 @@ wlsc_surface_draw(struct wlsc_surface *es,
rectangles = pixman_region32_rectangles(&repaint, &n);
v = wl_array_add(&ec->vertices, n * 16 * sizeof *v);
p = wl_array_add(&ec->indices, n * 6 * sizeof *p);
inv_width = 1.0 / es->width;
inv_width = 1.0 / es->pitch;
inv_height = 1.0 / es->height;
for (i = 0; i < n; i++, v += 16, p += 6) {
v[ 0] = rectangles[i].x1;
@ -1810,11 +1813,12 @@ shm_buffer_damaged(struct wl_buffer *buffer,
{
struct wl_list *surfaces_attached_to = buffer->user_data;
struct wlsc_surface *es;
GLsizei tex_width = wl_shm_buffer_get_stride(buffer) / 4;
wl_list_for_each(es, surfaces_attached_to, buffer_link) {
glBindTexture(GL_TEXTURE_2D, es->texture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
buffer->width, buffer->height, 0,
tex_width, buffer->height, 0,
GL_BGRA_EXT, GL_UNSIGNED_BYTE,
wl_shm_buffer_get_data(buffer));
/* Hmm, should use glTexSubImage2D() here but GLES2 doesn't

1
compositor/compositor.h
View File

@ -197,6 +197,7 @@ struct wlsc_surface {
struct wlsc_compositor *compositor;
GLuint texture, saved_texture;
int32_t x, y, width, height;
int32_t pitch;
int32_t saved_x, saved_y;
struct wl_list link;
struct wl_list buffer_link;