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authorMichel Dänzer <daenzer@vmware.com>2009-10-02 18:13:26 +0200
committerMichel Dänzer <daenzer@vmware.com>2009-10-02 18:13:26 +0200
commit47e41b024e325f69ed514e551a6824afa58f1db6 (patch)
tree5b98f65f5d67e2a1a450ad681bc64bf229a198d2 /src/gallium/drivers/nv30
parent7d4b348c67dbc2eff1d7dd0c043a76bc0eae57ab (diff)
gallium: Preparations for adding more PIPE_TRANSFER_* usage flags.
Always test for PIPE_TRANSFER_READ/WRITE using the bit-wise and operator, and add a pipe_transfer_buffer_flags() helper for getting the buffer usage flags corresponding to them.
Diffstat (limited to 'src/gallium/drivers/nv30')
-rw-r--r--src/gallium/drivers/nv30/nv30_transfer.c26
1 files changed, 5 insertions, 21 deletions
diff --git a/src/gallium/drivers/nv30/nv30_transfer.c b/src/gallium/drivers/nv30/nv30_transfer.c
index 2367571878..98011decf7 100644
--- a/src/gallium/drivers/nv30/nv30_transfer.c
+++ b/src/gallium/drivers/nv30/nv30_transfer.c
@@ -13,22 +13,6 @@ struct nv30_transfer {
bool direct;
};
-static unsigned nv30_usage_tx_to_buf(unsigned tx_usage)
-{
- switch (tx_usage) {
- case PIPE_TRANSFER_READ:
- return PIPE_BUFFER_USAGE_CPU_READ;
- case PIPE_TRANSFER_WRITE:
- return PIPE_BUFFER_USAGE_CPU_WRITE;
- case PIPE_TRANSFER_READ_WRITE:
- return PIPE_BUFFER_USAGE_CPU_READ_WRITE;
- default:
- assert(0);
- }
-
- return -1;
-}
-
static void
nv30_compatible_transfer_tex(struct pipe_texture *pt, unsigned level,
struct pipe_texture *template)
@@ -86,7 +70,7 @@ nv30_transfer_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
tx->direct = true;
tx->surface = pscreen->get_tex_surface(pscreen, pt,
face, level, zslice,
- nv30_usage_tx_to_buf(usage));
+ pipe_transfer_buffer_flags(&tx->base));
return &tx->base;
}
@@ -103,7 +87,7 @@ nv30_transfer_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
tx->surface = pscreen->get_tex_surface(pscreen, tx_tex,
0, 0, 0,
- nv30_usage_tx_to_buf(usage));
+ pipe_transfer_buffer_flags(&tx->base));
pipe_texture_reference(&tx_tex, NULL);
@@ -114,7 +98,7 @@ nv30_transfer_new(struct pipe_screen *pscreen, struct pipe_texture *pt,
return NULL;
}
- if (usage != PIPE_TRANSFER_WRITE) {
+ if (usage & PIPE_TRANSFER_READ) {
struct nv30_screen *nvscreen = nv30_screen(pscreen);
struct pipe_surface *src;
@@ -140,7 +124,7 @@ nv30_transfer_del(struct pipe_transfer *ptx)
{
struct nv30_transfer *tx = (struct nv30_transfer *)ptx;
- if (!tx->direct && ptx->usage != PIPE_TRANSFER_READ) {
+ if (!tx->direct && (ptx->usage & PIPE_TRANSFER_WRITE)) {
struct pipe_screen *pscreen = ptx->texture->screen;
struct nv30_screen *nvscreen = nv30_screen(pscreen);
struct pipe_surface *dst;
@@ -170,7 +154,7 @@ nv30_transfer_map(struct pipe_screen *pscreen, struct pipe_transfer *ptx)
struct nv04_surface *ns = (struct nv04_surface *)tx->surface;
struct nv30_miptree *mt = (struct nv30_miptree *)tx->surface->texture;
void *map = pipe_buffer_map(pscreen, mt->buffer,
- nv30_usage_tx_to_buf(ptx->usage));
+ pipe_transfer_buffer_flags(ptx));
return map + ns->base.offset +
ptx->y * ns->pitch + ptx->x * ptx->block.size;