diff options
author | Marek Olšák <maraeo@gmail.com> | 2012-04-24 22:53:05 +0200 |
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committer | Marek Olšák <maraeo@gmail.com> | 2012-04-30 01:18:48 +0200 |
commit | 0b7d48cbad86eaac21fce3793da41b46db8be3b4 (patch) | |
tree | 437f5cfeb3a77278d29e384b47dfaef9b96faa75 /src/gallium/drivers/nvc0 | |
parent | 01bf5569c44389c1127bbb9e873c8a234ac92ff7 (diff) |
gallium: add void *user_buffer to pipe_constant_buffer
This reduces CPU overhead when updating constants.
Diffstat (limited to 'src/gallium/drivers/nvc0')
-rw-r--r-- | src/gallium/drivers/nvc0/nvc0_state.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_state.c b/src/gallium/drivers/nvc0/nvc0_state.c index 9b1ae550fff..40161252a3d 100644 --- a/src/gallium/drivers/nvc0/nvc0_state.c +++ b/src/gallium/drivers/nvc0/nvc0_state.c @@ -621,6 +621,12 @@ nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index, struct nvc0_context *nvc0 = nvc0_context(pipe); struct pipe_resource *res = cb ? cb->buffer : NULL; + if (cb && cb->user_buffer) { + res = nouveau_user_buffer_create(pipe->screen, cb->user_buffer, + cb->buffer_size, + PIPE_BIND_CONSTANT_BUFFER); + } + switch (shader) { case PIPE_SHADER_VERTEX: shader = 0; break; /* @@ -642,6 +648,10 @@ nvc0_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index, nvc0->constbuf_dirty[shader] |= 1 << index; nvc0->dirty |= NVC0_NEW_CONSTBUF; + + if (cb->user_buffer) { + pipe_resource_reference(&res, NULL); + } } /* ============================================================================= |