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i965: Fix outdated comments about binding tables.

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They had a number of issues:
- A paragraph states that we use a single binding table, but we don't.
- We labelled the WM binding table diagram as SOL/WM.
- The WM diagram had an "Only relevant to the WM" comment.  Duh.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Kenneth Graunke
2012-04-18 18:21:24 -07:00
parent 86f53e6d6b
commit 5177f6b1b9
1 changed files with 8 additions and 12 deletions
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src/mesa/drivers/dri/i965/brw_context.h
+8 -12
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@@ -472,18 +472,14 @@ struct brw_vs_ouput_sizes {
* For example, a shader might ask to sample from "surface 7." In this case,
* bind[7] would contain a pointer to a texture.
*
* Although the hardware supports separate binding tables per pipeline stage
* (VS, HS, DS, GS, PS), we currently share a single binding table for all of
* them. This is purely for convenience.
*
* Currently our SOL/WM binding tables are (arbitrarily) programmed as follows:
* Currently, our WM binding tables are (arbitrarily) programmed as follows:
*
* +-------------------------------+
* | 0 | Draw buffer 0 | .
* | . | . | \
* | : | : | > Only relevant to the WM.
* | 7 | Draw buffer 7 | /
* |-----|-------------------------| `
* | 0 | Draw buffer 0 |
* | . | . |
* | : | : |
* | 7 | Draw buffer 7 |
* |-----|-------------------------|
* | 8 | WM Pull Constant Buffer |
* |-----|-------------------------|
* | 9 | Texture 0 |
@@ -494,7 +490,7 @@ struct brw_vs_ouput_sizes {
*
* Our VS binding tables are programmed as follows:
*
* +-----+-------------------------+ `
* +-----+-------------------------+
* | 0 | VS Pull Constant Buffer |
* +-----+-------------------------+
* | 1 | Texture 0 |
@@ -506,7 +502,7 @@ struct brw_vs_ouput_sizes {
* Our (gen6) GS binding tables are programmed as follows:
*
* +-----+-------------------------+
* | 0 | SOL Binding 0 |
* | 0 | SOL Binding 0 |
* | . | . |
* | : | : |
* | 63 | SOL Binding 63 |