fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 11:48:06 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

reimplement xmesa_put_tile_rgba() w/out span funcs

Browse source
This commit is contained in:
Brian 2007-11-01 12:08:01 -06:00
parent a333088986
commit ba0b1bdc33
1 changed files with 80 additions and 23 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

103
src/mesa/pipe/xlib/xm_surface.c
View file

@ -248,34 +248,91 @@ void
xmesa_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps,
uint x, uint y, uint w, uint h, const float *p)
{
const uint x0 = x, y0 = y;
struct xmesa_surface *xms = xmesa_surface(ps);
struct xmesa_renderbuffer *xrb = xms->xrb;
XMesaImage *ximage;
uint i, j;
if (xrb) {
/* this is a front/back color buffer */
GLubyte tmp[MAX_WIDTH * 4];
GLuint i, j;
uint w0 = w;
GET_CURRENT_CONTEXT(ctx);
CLIP_TILE;
FLIP(y);
for (i = 0; i < h; i++) {
for (j = 0; j < w * 4; j++) {
UNCLAMPED_FLOAT_TO_UBYTE(tmp[j], p[j]);
}
xrb->St.Base.PutRow(ctx, &xrb->St.Base, w, x, y - i, tmp, NULL);
p += w0 * 4;
}
#if 0 /* debug: flush */
{
XMesaContext xm = XMESA_CONTEXT(ctx);
XSync(xm->display, 0);
}
CLIP_TILE;
if (!xms->drawable && !xms->ximage) {
/* not an X surface */
softpipe_put_tile_rgba(pipe, ps, x, y, w, h, p);
return;
}
if (!xms->ximage) {
/* create temp XImage */
char *data = (char *) malloc(w * h * 4);
#ifdef XFree86Server
ximage = XMesaCreateImage(GET_VISUAL_DEPTH(v), w, h, data);
#else
XVisualInfo *visinfo = xms->xrb->Parent->xm_visual->visinfo;
ximage = XCreateImage(xms->display,
visinfo->visual,
visinfo->depth,
ZPixmap, 0, /* format, offset */
data, /* data */
w, h, /* width, height */
32, /* bitmap_pad */
0); /* bytes_per_line */
#endif
x = y = 0;
}
else {
/* other softpipe surface */
softpipe_put_tile_rgba(pipe, ps, x, y, w, h, p);
ximage = xms->ximage;
}
/* convert floats to ximage's format */
switch (ps->format) {
case PIPE_FORMAT_U_A8_R8_G8_B8:
{
uint *dst
= (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
ubyte r, g, b, a;
UNCLAMPED_FLOAT_TO_UBYTE(r, p[0]);
UNCLAMPED_FLOAT_TO_UBYTE(g, p[1]);
UNCLAMPED_FLOAT_TO_UBYTE(b, p[2]);
UNCLAMPED_FLOAT_TO_UBYTE(a, p[3]);
dst[j] = PACK_8A8R8G8B(r, g, b, a);
p += 4;
}
dst += ximage->width;
}
}
break;
case PIPE_FORMAT_U_R5_G6_B5:
{
ushort *dst =
(ushort *) (ximage->data + y * ximage->bytes_per_line + x * 2);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
ubyte r, g, b;
UNCLAMPED_FLOAT_TO_UBYTE(r, p[0]);
UNCLAMPED_FLOAT_TO_UBYTE(g, p[1]);
UNCLAMPED_FLOAT_TO_UBYTE(b, p[2]);
dst[j] = PACK_5R6G5B(r, g, b);
p += 4;
}
dst += ximage->width;
}
}
break;
default:
assert(0);
}
if (!xms->ximage) {
/* send XImage data to pixmap */
XPutImage(xms->display, xms->drawable, xms->gc,
ximage, 0, 0, x0, y0, w, h);
/* clean-up */
free(ximage->data);
ximage->data = NULL;
XMesaDestroyImage(ximage);
}
}