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authorMichel Dänzer <[email protected]>2009-10-02 18:13:26 +0200
committerMichel Dänzer <[email protected]>2009-10-02 18:13:26 +0200
commit47e41b024e325f69ed514e551a6824afa58f1db6 (patch)
tree5b98f65f5d67e2a1a450ad681bc64bf229a198d2 /src/gallium/drivers/r300
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/r300')
-rw-r--r--src/gallium/drivers/r300/r300_screen.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 8296d56840f..f2659ca61f7 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -345,16 +345,9 @@ static void* r300_transfer_map(struct pipe_screen* screen,
{
struct r300_texture* tex = (struct r300_texture*)transfer->texture;
char* map;
- unsigned flags = 0;
- if (transfer->usage != PIPE_TRANSFER_WRITE) {
- flags |= PIPE_BUFFER_USAGE_CPU_READ;
- }
- if (transfer->usage != PIPE_TRANSFER_READ) {
- flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
- }
-
- map = pipe_buffer_map(screen, tex->buffer, flags);
+ map = pipe_buffer_map(screen, tex->buffer,
+ pipe_transfer_buffer_flags(transfer));
if (!map) {
return NULL;