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nouveau: fix glCompressedTexImage

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mesa_texstore expects pixel data, not compressed data. For compressed
textures, we want to just copy the bits in without any conversion.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Acked-by: Francisco Jerez <currojerez@riseup.net>
This commit is contained in:
Ilia Mirkin 2014-09-13 18:14:46 -04:00
parent 0147c10c5f
commit d78b533c29
1 changed files with 52 additions and 13 deletions
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65
src/mesa/drivers/dri/nouveau/nouveau_texture.c
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@ -412,6 +412,31 @@ get_teximage_placement(struct gl_texture_image *ti)
return NOUVEAU_BO_GART | NOUVEAU_BO_MAP;
}
static void
nouveau_compressed_copy(struct gl_context *ctx, GLint dims,
struct gl_texture_image *ti,
GLsizei width, GLsizei height, GLsizei depth,
const GLvoid *src, GLvoid *dst, int row_stride)
{
struct compressed_pixelstore store;
int i;
_mesa_compute_compressed_pixelstore(dims, ti->TexFormat,
width, height, depth,
&ctx->Unpack, &store);
src += store.SkipBytes;
assert(store.CopySlices == 1);
/* copy rows of blocks */
for (i = 0; i < store.CopyRowsPerSlice; i++) {
memcpy(dst, src, store.CopyBytesPerRow);
dst += row_stride;
src += store.TotalBytesPerRow;
}
}
static void
nouveau_teximage(struct gl_context *ctx, GLint dims,
struct gl_texture_image *ti,
@ -451,13 +476,19 @@ nouveau_teximage(struct gl_context *ctx, GLint dims,
GL_MAP_WRITE_BIT,
&map, &row_stride);
ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
ti->TexFormat,
row_stride,
&map,
ti->Width, ti->Height, depth,
format, type, pixels, packing);
assert(ret);
if (compressed) {
nouveau_compressed_copy(ctx, dims, ti,
ti->Width, ti->Height, depth,
pixels, map, row_stride);
} else {
ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
ti->TexFormat,
row_stride,
&map,
ti->Width, ti->Height, depth,
format, type, pixels, packing);
assert(ret);
}
nouveau_unmap_texture_image(ctx, ti, 0);
_mesa_unmap_teximage_pbo(ctx, packing);
@ -502,7 +533,8 @@ static GLboolean
nouveau_teximage_alloc(struct gl_context *ctx, struct gl_texture_image *ti)
{
nouveau_teximage(ctx, 3, ti, 0, 0, 0, NULL,
&ctx->DefaultPacking, GL_FALSE);
&ctx->DefaultPacking,
_mesa_is_format_compressed(ti->TexFormat));
return GL_TRUE;
}
@ -535,11 +567,18 @@ nouveau_texsubimage(struct gl_context *ctx, GLint dims,
xoffset, yoffset, width, height,
GL_MAP_WRITE_BIT, &map, &row_stride);
ret = _mesa_texstore(ctx, dims, ti->_BaseFormat, ti->TexFormat,
row_stride, &map,
width, height, depth,
format, type, pixels, packing);
assert(ret);
if (compressed) {
nouveau_compressed_copy(ctx, dims, ti,
width, height, depth,
pixels, map, row_stride);
} else {
ret = _mesa_texstore(ctx, dims, ti->_BaseFormat,
ti->TexFormat,
row_stride, &map,
width, height, depth,
format, type, pixels, packing);
assert(ret);
}
nouveau_unmap_texture_image(ctx, ti, 0);
_mesa_unmap_teximage_pbo(ctx, packing);