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rewrite xmesa_get_tile_rgba() to not use span funcs

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This commit is contained in:
Brian 2007-11-01 12:24:36 -06:00
parent ba0b1bdc33
commit d0dde6e26c
1 changed files with 74 additions and 25 deletions
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99
src/mesa/pipe/xlib/xm_surface.c
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@ -88,6 +88,8 @@ xmesa_get_tile(struct pipe_context *pipe, struct pipe_surface *ps,
return;
}
CLIP_TILE;
if (!xms->ximage) {
/* XImage = pixmap data */
assert(xms->drawable);
@ -145,6 +147,8 @@ xmesa_put_tile(struct pipe_context *pipe, struct pipe_surface *ps,
return;
}
CLIP_TILE;
if (xms->ximage) {
/* put to ximage */
ximage = xms->ximage;
@ -205,45 +209,90 @@ xmesa_put_tile(struct pipe_context *pipe, struct pipe_surface *ps,
}
/**
* XXX rewrite to stop using renderbuffer->GetRow()
*/
void
xmesa_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps,
uint x, uint y, uint w, uint h, float *p)
{
struct xmesa_surface *xms = xmesa_surface(ps);
struct xmesa_renderbuffer *xrb = xms->xrb;
XMesaImage *ximage = NULL;
float *pRow = p;
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);
if (!xms->drawable && !xms->ximage) {
/* not an X surface */
softpipe_get_tile_rgba(pipe, ps, x, y, w, h, p);
return;
}
CLIP_TILE;
CLIP_TILE;
FLIP(y);
for (i = 0; i < h; i++) {
xrb->St.Base.GetRow(ctx, &xrb->St.Base, w, x, y - i, tmp);
for (j = 0; j < w * 4; j++) {
p[j] = UBYTE_TO_FLOAT(tmp[j]);
}
p += w0 * 4;
}
if (!xms->ximage) {
/* XImage = pixmap data */
assert(xms->drawable);
ximage = XGetImage(xms->display, xms->drawable, x, y, w, h,
AllPlanes, ZPixmap);
x = y = 0;
}
else {
/* other softpipe surface */
softpipe_get_tile_rgba(pipe, ps, x, y, w, h, p);
ximage = xms->ximage;
}
switch (ps->format) {
case PIPE_FORMAT_U_A8_R8_G8_B8:
{
const uint *src
= (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4);
for (i = 0; i < h; i++) {
float *p = pRow;
for (j = 0; j < w; j++) {
uint pix = src[j];
ubyte r = ((pix >> 16) & 0xff);
ubyte g = ((pix >> 8) & 0xff);
ubyte b = ( pix & 0xff);
ubyte a = ((pix >> 24) & 0xff);
p[0] = UBYTE_TO_FLOAT(r);
p[1] = UBYTE_TO_FLOAT(g);
p[2] = UBYTE_TO_FLOAT(b);
p[3] = UBYTE_TO_FLOAT(a);
p += 4;
}
src += ximage->width;
pRow += 4 * w;
}
}
break;
case PIPE_FORMAT_U_R5_G6_B5:
{
ushort *src
= (ushort *) (ximage->data + y * ximage->bytes_per_line + x * 2);
for (i = 0; i < h; i++) {
float *p = pRow;
for (j = 0; j < w; j++) {
uint pix = src[j];
ubyte r = (pix >> 8) | ((pix >> 13) & 0x7);
ubyte g = (pix >> 3) | ((pix >> 9) & 0x3);
ubyte b = ((pix & 0x1f) << 3) | ((pix >> 2) & 0x3);
p[0] = UBYTE_TO_FLOAT(r);
p[1] = UBYTE_TO_FLOAT(g);
p[2] = UBYTE_TO_FLOAT(b);
p[3] = 1.0;
p += 4;
}
src += ximage->width;
pRow += 4 * w;
}
}
break;
default:
assert(0);
}
if (!xms->ximage) {
XMesaDestroyImage(ximage);
}
}
/**
* XXX rewrite to stop using renderbuffer->PutRow()
*/
void
xmesa_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps,
uint x, uint y, uint w, uint h, const float *p)