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st/mesa: minor improvements in fallback_generate_mipmap()

This commit is contained in:
Brian Paul 2010-04-23 16:04:55 -06:00
parent 51523f1144
commit 394ff065f3
1 changed files with 11 additions and 10 deletions
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21
src/mesa/state_tracker/st_gen_mipmap.c
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@ -120,6 +120,12 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
const uint srcWidth = u_minify(pt->width0, srcLevel);
const uint srcHeight = u_minify(pt->height0, srcLevel);
const uint srcDepth = u_minify(pt->depth0, srcLevel);
const uint dstWidth = u_minify(pt->width0, dstLevel);
const uint dstHeight = u_minify(pt->height0, dstLevel);
const uint dstDepth = u_minify(pt->depth0, dstLevel);
struct pipe_transfer *srcTrans, *dstTrans;
const ubyte *srcData;
ubyte *dstData;
@ -128,14 +134,13 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
srcTrans = st_cond_flush_get_tex_transfer(st_context(ctx), pt, face,
srcLevel, zslice,
PIPE_TRANSFER_READ, 0, 0,
u_minify(pt->width0, srcLevel),
u_minify(pt->height0, srcLevel));
srcWidth, srcHeight);
dstTrans = st_cond_flush_get_tex_transfer(st_context(ctx), pt, face,
dstLevel, zslice,
PIPE_TRANSFER_WRITE, 0, 0,
u_minify(pt->width0, dstLevel),
u_minify(pt->height0, dstLevel));
dstWidth, dstHeight);
srcData = (ubyte *) pipe_transfer_map(pipe, srcTrans);
dstData = (ubyte *) pipe_transfer_map(pipe, dstTrans);
@ -145,14 +150,10 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target,
_mesa_generate_mipmap_level(target, datatype, comps,
0 /*border*/,
u_minify(pt->width0, srcLevel),
u_minify(pt->height0, srcLevel),
u_minify(pt->depth0, srcLevel),
srcWidth, srcHeight, srcDepth,
srcData,
srcStride, /* stride in texels */
u_minify(pt->width0, dstLevel),
u_minify(pt->height0, dstLevel),
u_minify(pt->depth0, dstLevel),
dstWidth, dstHeight, dstDepth,
dstData,
dstStride); /* stride in texels */