diff options
| author | Eric Anholt <eric@anholt.net> | 2014-04-25 15:57:21 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2014-04-30 14:33:21 -0700 |
| commit | 973345fc2389e7f74b8732052e781672c4e135c2 (patch) | |
| tree | b5b8924ae645de38976aed40da84e2b7684ea84b /src/mesa/main/texstate.c | |
| parent | 6a97deb88aa715af9760cf3c7ca0c1ff76e4f325 (diff) | |
| download | external_mesa3d-973345fc2389e7f74b8732052e781672c4e135c2.zip external_mesa3d-973345fc2389e7f74b8732052e781672c4e135c2.tar.gz external_mesa3d-973345fc2389e7f74b8732052e781672c4e135c2.tar.bz2 | |
mesa: Track maximum CurrentTexUnit to reduce glDeleteTextures() overhead.
No more walking 96*6 pointers looking to see if they're the current
texture, when we only use the first 2 out of 96 units. -6.26002% +/-
1.87817% effect on cairo runtime on no-fbo-cache glamor (n=36).
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa/main/texstate.c')
| -rw-r--r-- | src/mesa/main/texstate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c index 3a7e227..000af94 100644 --- a/src/mesa/main/texstate.c +++ b/src/mesa/main/texstate.c @@ -108,6 +108,10 @@ _mesa_copy_texture_state( const struct gl_context *src, struct gl_context *dst ) for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) { _mesa_reference_texobj(&dst->Texture.Unit[u].CurrentTex[tex], src->Texture.Unit[u].CurrentTex[tex]); + if (src->Texture.Unit[u].CurrentTex[tex]) { + dst->Texture.NumCurrentTexUsed = + MAX2(dst->Texture.NumCurrentTexUsed, u + 1); + } } _mesa_unlock_context_textures(dst); } @@ -912,6 +916,8 @@ _mesa_init_texture(struct gl_context *ctx) _mesa_reference_buffer_object(ctx, &ctx->Texture.BufferObject, ctx->Shared->NullBufferObj); + ctx->Texture.NumCurrentTexUsed = 0; + return GL_TRUE; } |