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authorIlia Mirkin <[email protected]>2014-09-13 18:14:46 -0400
committerIlia Mirkin <[email protected]>2014-09-25 22:15:49 -0400
commitd78b533c29bcd607c5e2d8b51aec6a0da50a3b5b (patch)
treeb035c185fe56d29190342842964c87b02c443f64 /src/mesa/drivers
parent0147c10c5f00b43696ba660aab604d674a75e83c (diff)
nouveau: fix glCompressedTexImage
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 <[email protected]> Acked-by: Francisco Jerez <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_texture.c65
1 files changed, 52 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_texture.c b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
index 4626cc30229..dc5699c7680 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_texture.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_texture.c
@@ -413,6 +413,31 @@ get_teximage_placement(struct gl_texture_image *ti)
}
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,
GLsizei imageSize,
@@ -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);