KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pan/midgard: Add support for disassembling derivatives 

They're just texture ops.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
This commit is contained in:
Alyssa Rosenzweig 2019-07-29 14:07:19 -07:00
parent a094928abc
commit 0714481894
2 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/panfrost/midgard/disassemble.c
View File

@ -1074,6 +1074,8 @@ print_texture_op(unsigned op, bool gather)
DEFINE_CASE(TEXTURE_OP_NORMAL, "texture");
DEFINE_CASE(TEXTURE_OP_LOD, "textureLod");
DEFINE_CASE(TEXTURE_OP_TEXEL_FETCH, "texelFetch");
DEFINE_CASE(TEXTURE_OP_DFDX, "dFdx");
DEFINE_CASE(TEXTURE_OP_DFDY, "dFdy");
default:
printf("tex_%d", op);

10
src/panfrost/midgard/midgard.h
View File

@ -541,6 +541,16 @@ midgard_tex_register_select;
#define TEXTURE_OP_LOD 0x12 /* textureLod */
#define TEXTURE_OP_TEXEL_FETCH 0x14 /* texelFetch */
/* Computes horizontal and vertical derivatives respectively. Use with a float
* sampler and a "2D" texture. Leave texture/sampler IDs as zero; they ought
* to be ignored. Only works for fp32 on 64-bit at a time, so derivatives of a
* vec4 require 2 texture ops. For some reason, the blob computes both X and Y
* derivatives at the same time and just throws out whichever is unused; it's
* not known if this is a quirk of the hardware or just of the blob. */
#define TEXTURE_OP_DFDX 0x0D
#define TEXTURE_OP_DFDY 0x1D
enum mali_sampler_type {
MALI_SAMPLER_UNK = 0x0,
MALI_SAMPLER_FLOAT = 0x1, /* sampler */