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authorBrian <brian.paul@tungstengraphics.com>2007-12-10 13:42:34 -0700
committerBrian <brian.paul@tungstengraphics.com>2007-12-10 13:42:34 -0700
commit4ccd3124f611b33c062c4b0004616171934f1908 (patch)
tree9fa637643a875d8d2c312e1c5c1d06a27e9e9f9d
parent1b20b2d53b0aa4c81291e1ffd888b59fb9f1fb02 (diff)
implement i915_put_tile_rgba() - temporary code though
-rw-r--r--src/mesa/pipe/i915simple/i915_surface.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/src/mesa/pipe/i915simple/i915_surface.c b/src/mesa/pipe/i915simple/i915_surface.c
index ea48c1bd8a..bd6fd32704 100644
--- a/src/mesa/pipe/i915simple/i915_surface.c
+++ b/src/mesa/pipe/i915simple/i915_surface.c
@@ -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);
+ }
}