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implement i915_put_tile_rgba() - temporary code though

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This commit is contained in:
Brian 2007-12-10 13:42:34 -07:00
parent 1b20b2d53b
commit 4ccd3124f6
1 changed files with 32 additions and 2 deletions
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34
src/mesa/pipe/i915simple/i915_surface.c
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@ -52,6 +52,7 @@
* Note: this is exactly like a8r8g8b8_get_tile() in sp_surface.c
* Share it someday.
*/
/** XXX this will go away eventually */
static void
i915_get_tile_rgba(struct pipe_context *pipe,
struct pipe_surface *ps,
@ -105,13 +106,42 @@ i915_get_tile_rgba(struct pipe_context *pipe,
}
/** XXX this will go away eventually */
static void
i915_put_tile_rgba(struct pipe_context *pipe,
struct pipe_surface *ps,
uint x, uint y, uint w, uint h, const float *p)
{
/* TODO */
assert(0);
unsigned *dst
= ((unsigned *) (ps->map))
+ y * ps->pitch + x;
unsigned i, j;
unsigned w0 = w;
assert(ps->format == PIPE_FORMAT_A8R8G8B8_UNORM);
CLIP_TILE;
switch (ps->format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
for (i = 0; i < h; i++) {
const float *pRow = p;
for (j = 0; j < w; j++) {
unsigned r, g, b, a;
UNCLAMPED_FLOAT_TO_UBYTE(r, pRow[0]);
UNCLAMPED_FLOAT_TO_UBYTE(g, pRow[1]);
UNCLAMPED_FLOAT_TO_UBYTE(b, pRow[2]);
UNCLAMPED_FLOAT_TO_UBYTE(a, pRow[3]);
dst[j] = (a << 24) | (r << 16) | (g << 8) | b;
pRow += 4;
}
dst += ps->pitch;
p += w0 * 4;
}
break;
default:
assert(0);
}
}