In case no one noticed, since this patch
(22370990f28987b361c6adf8e81c5a18184e88ea)
invalid tokens are generated for some shaders, probably everything
that involes indirect register access.
I can't think of any official test program right now, and I don't
particularly like to dig into that part of the tgsi code at the
moment, but I'll try if no one else quickly comes up with a fix.
For example:
Error : CONST: Undeclared source register
Warning: Indirect register neither ADDR[0] nor LOOP[0]
Error : CONST: Undeclared source register
Warning: Indirect register neither ADDR[0] nor LOOP[0]
2 errors, 2 warnings
tgsi_ureg.c, sanity check failed on generated tokens:
VERT
DCL IN[0]
DCL OUT[0], POSITION
DCL OUT[1], COLOR
DCL OUT[2], BCOLOR
DCL CONST[0..69]
DCL TEMP[0..1]
DCL ADDR[0]
0: MUL TEMP[0], CONST[66], IN[0].yyyy
1: MAD TEMP[1], CONST[65], IN[0].xxxx, TEMP[0]
2: MAD TEMP[0], CONST[67], IN[0].zzzz, TEMP[1]
3: MAD OUT[0], CONST[68], IN[0].wwww, TEMP[0]
4: ADD TEMP[0].x, CONST[64].xxxx, CONST[69].xxxx
5: ARL ADDR[0].x, TEMP[0].xxxx
6: MOV OUT[1], CONST[ADDR[0].x]
7: SUB TEMP[0].y, CONST[64].xxxx, CONST[69].xxxx
8: ARL ADDR[0].x, TEMP[0].yyyy
9: MOV OUT[2], CONST[ADDR[0].x]
10: END
tgsi_ureg.c:1128:ureg_finalize: Assertion `0' failed.
debug_get_bool_option: GALLIUM_ABORT_ON_ASSERT = TRUE
static const char *vprog = "#version 120\n"
"uniform vec4 color_array[64];\n"
"uniform int i;\n"
"void main() {\n"
" gl_Position = ftransform();\n"
" gl_FrontColor = color_array[i + 1];\n"
" gl_BackColor = color_array[i - 1];\n"
"}\n";
static const char *fprog = "#version 120\n"
"void main() {\n"
" gl_FragColor = gl_Color;\n"
"}\n";
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