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main: Use pixman for rendering

pull/6/head
Andri Yngvason 2022-03-30 21:48:54 +00:00
parent 767f7ce816
commit 80d18ac6aa
1 changed files with 34 additions and 16 deletions
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50
src/main.c
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@ -36,6 +36,7 @@
#include "pointer.h"
#include "keyboard.h"
#include "vnc.h"
#include "pixels.h"
struct buffer {
int width, height, stride;
@ -290,28 +291,45 @@ static void window_attach(struct window* w, int x, int y)
static void window_transfer_pixels(struct window* w)
{
struct buffer* buffer = w->back_buffer;
void* src_pixels = w->vnc_fb;
int src_width = w->back_buffer->width;
int src_height = w->back_buffer->height;
int src_stride = w->back_buffer->stride;
uint32_t* dst = buffer->pixels;
uint32_t* src = w->vnc_fb;
void* dst_pixels = w->back_buffer->pixels;
int dst_width = w->back_buffer->width;
int dst_height = w->back_buffer->height;
int dst_stride = w->back_buffer->stride;
int stride = buffer->width;
bool ok __attribute__((unused));
int n_rects = 0;
struct pixman_box16* rects =
pixman_region_rectangles(&buffer->damage, &n_rects);
pixman_format_code_t dst_fmt = 0;
ok = wl_shm_to_pixman_fmt(&dst_fmt, w->back_buffer->format);
assert(ok);
for (int i = 0; i < n_rects; ++i) {
struct pixman_box16* r = &rects[i];
int width = r->x2 - r->x1;
pixman_format_code_t src_fmt = 0;
ok = wl_shm_to_pixman_fmt(&src_fmt, w->back_buffer->format);
assert(ok);
for (int y = r->y1; y < r->y2; ++y) {
memcpy(dst + r->x1 + y * stride,
src + r->x1 + y * stride, width * 4);
}
}
pixman_image_t* dstimg = pixman_image_create_bits_no_clear(
dst_fmt, dst_width, dst_height, dst_pixels, dst_stride);
pixman_region_clear(&buffer->damage);
pixman_image_t* srcimg = pixman_image_create_bits_no_clear(src_fmt,
src_width, src_height, src_pixels, src_stride);
// pixman_transform_t xform;
// pixman_image_set_transform(srcimg, pxform);
pixman_image_set_clip_region(dstimg, &w->back_buffer->damage);
pixman_image_composite(PIXMAN_OP_OVER, srcimg, NULL, dstimg,
0, 0,
0, 0,
0, 0,
dst_width, dst_height);
pixman_image_unref(srcimg);
pixman_image_unref(dstimg);
}
static void window_commit(struct window* w)