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cell: minor reformatting, var renaming

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This commit is contained in:
Brian Paul 2008-11-05 17:20:35 -07:00
parent 2c204bbf77
commit 88360913a7
1 changed files with 11 additions and 7 deletions
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18
src/gallium/drivers/cell/ppu/cell_texture.c
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@ -28,6 +28,7 @@
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
* Michel Dänzer <michel@tungstengraphics.com>
* Brian Paul
*/
#include "pipe/p_context.h"
@ -41,10 +42,10 @@
#include "cell_state.h"
#include "cell_texture.h"
/* Simple, maximally packed layout.
*/
static unsigned minify( unsigned d )
static unsigned
minify(unsigned d)
{
return MAX2(1, d>>1);
}
@ -209,6 +210,7 @@ twiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
}
}
/**
* For Cell. Basically, rearrange the pixels/quads from this layout:
* +--+--+--+--+
@ -238,22 +240,22 @@ twiddle_tile(const uint *tileIn, uint *tileOut)
}
}
/**
* Convert image from tiled layout to linear layout. 4-byte pixels.
*/
static void
untwiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
uint src_stride, const uint *src)
uint dst_stride, const uint *src)
{
const uint tile_size2 = tile_size * tile_size;
const uint h_t = (h + tile_size - 1) / tile_size;
const uint w_t = (w + tile_size - 1) / tile_size;
uint *tile_buf;
uint it, jt; /* tile counters */
uint i, j; /* intra-tile counters */
src_stride /= 4; /* convert from bytes to pixels */
dst_stride /= 4; /* convert from bytes to pixels */
tile_buf = align_malloc(tile_size * tile_size * 4, 16);
@ -282,7 +284,7 @@ untwiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
uint dstj = jt * tile_size + j;
ASSERT(dsti < h);
ASSERT(dstj < w);
dst[dsti * src_stride + dstj] = tsrc[i * tile_size + j];
dst[dsti * dst_stride + dstj] = tsrc[i * tile_size + j];
}
}
}
@ -291,6 +293,7 @@ untwiddle_image_uint(uint w, uint h, uint tile_size, uint *dst,
align_free(tile_buf);
}
/**
* Convert linear texture image data to tiled format for SPU usage.
*/
@ -341,6 +344,7 @@ cell_twiddle_texture(struct pipe_screen *screen,
pipe_buffer_unmap(screen, surface->buffer);
}
/**
* Convert SPU tiled texture image data to linear format for app usage.
*/