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vc4: Add a QIR value for the QPU element register.

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This will be used in the ddx/ddy support for "Am I the top half?" or "Am I
the left half?" checks.
This commit is contained in:
Eric Anholt 2016-08-25 13:48:21 -07:00
parent 5b03975889
commit 31da39ddc9
4 changed files with 8 additions and 0 deletions
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1
src/gallium/drivers/vc4/vc4_qir.c
View file

@ -292,6 +292,7 @@ qir_print_reg(struct vc4_compile *c, struct qreg reg, bool write)
[QFILE_FRAG_X] = "frag_x",
[QFILE_FRAG_Y] = "frag_y",
[QFILE_FRAG_REV_FLAG] = "frag_rev_flag",
[QFILE_QPU_ELEMENT] = "elem",
};
switch (reg.file) {

1
src/gallium/drivers/vc4/vc4_qir.h
View file

@ -61,6 +61,7 @@ enum qfile {
QFILE_FRAG_X,
QFILE_FRAG_Y,
QFILE_FRAG_REV_FLAG,
QFILE_QPU_ELEMENT,
/**
* Stores an immediate value in the index field that will be used

2
src/gallium/drivers/vc4/vc4_qir_validate.c
View file

@ -79,6 +79,7 @@ void qir_validate(struct vc4_compile *c)
case QFILE_FRAG_X:
case QFILE_FRAG_Y:
case QFILE_FRAG_REV_FLAG:
case QFILE_QPU_ELEMENT:
case QFILE_SMALL_IMM:
case QFILE_LOAD_IMM:
fail_instr(c, inst, "Bad dest file");
@ -98,6 +99,7 @@ void qir_validate(struct vc4_compile *c)
case QFILE_UNIF:
case QFILE_VPM:
case QFILE_LOAD_IMM:
case QFILE_QPU_ELEMENT:
break;
case QFILE_SMALL_IMM:

4
src/gallium/drivers/vc4/vc4_qpu_emit.c
View file

@ -339,6 +339,9 @@ vc4_generate_code_block(struct vc4_compile *c,
case QFILE_FRAG_REV_FLAG:
src[i] = qpu_rb(QPU_R_MS_REV_FLAGS);
break;
case QFILE_QPU_ELEMENT:
src[i] = qpu_ra(QPU_R_ELEM_QPU);
break;
case QFILE_TLB_COLOR_WRITE:
case QFILE_TLB_COLOR_WRITE_MS:
@ -383,6 +386,7 @@ vc4_generate_code_block(struct vc4_compile *c,
case QFILE_FRAG_X:
case QFILE_FRAG_Y:
case QFILE_FRAG_REV_FLAG:
case QFILE_QPU_ELEMENT:
assert(!"not reached");
break;
}