2 * Copyright © 2014 Broadcom
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32 #include "util/u_simple_list.h"
69 /* Sets the flag register according to src. */
72 /* Note: Orderings of these compares must be the same as in
73 * qpu_defines.h. Selects the src[0] if the ns flag bit is set,
79 /* Selects the src[0] if the ns flag bit is set, otherwise src[1]. */
97 QOP_TLB_DISCARD_SETUP
,
98 QOP_TLB_PASSTHROUGH_Z_WRITE
,
108 /** Texture x coordinate parameter write */
110 /** Texture y coordinate parameter write */
112 /** Texture border color parameter or cube map z coordinate write */
114 /** Texture LOD bias parameter write */
117 * Signal of texture read being necessary and then reading r4 into
128 struct simple_node
*next
;
129 struct simple_node
*prev
;
133 struct simple_node link
;
142 * Coordinate shader, runs during binning, before the VS, and just
150 enum quniform_contents
{
152 * Indicates that a constant 32-bit value is copied from the program's
157 * Indicates that the program's uniform contents are used as an index
158 * into the GL uniform storage.
163 * Scaling factors from clip coordinates to relative to the viewport
166 * This is used by the coordinate and vertex shaders to produce the
167 * 32-bit entry consisting of 2 16-bit fields with 12.4 signed fixed
168 * point offsets from the viewport ccenter.
170 QUNIFORM_VIEWPORT_X_SCALE
,
171 QUNIFORM_VIEWPORT_Y_SCALE
,
174 QUNIFORM_VIEWPORT_Z_OFFSET
,
175 QUNIFORM_VIEWPORT_Z_SCALE
,
178 * A reference to a texture config parameter 0 uniform.
180 * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
181 * defines texture type, miplevels, and such. It will be found as a
182 * parameter to the first QOP_TEX_[STRB] instruction in a sequence.
184 QUNIFORM_TEXTURE_CONFIG_P0
,
187 * A reference to a texture config parameter 1 uniform.
189 * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
190 * defines texture width, height, filters, and wrap modes. It will be
191 * found as a parameter to the second QOP_TEX_[STRB] instruction in a
194 QUNIFORM_TEXTURE_CONFIG_P1
,
196 QUNIFORM_TEXRECT_SCALE_X
,
197 QUNIFORM_TEXRECT_SCALE_Y
,
199 QUNIFORM_BLEND_CONST_COLOR
,
206 struct simple_node instructions
;
207 uint32_t immediates
[1024];
209 struct simple_node qpu_inst_list
;
211 uint32_t qpu_inst_count
;
212 uint32_t qpu_inst_size
;
216 struct qcompile
*qir_compile_init(void);
217 void qir_compile_destroy(struct qcompile
*c
);
218 struct qinst
*qir_inst(enum qop op
, struct qreg dst
,
219 struct qreg src0
, struct qreg src1
);
220 struct qinst
*qir_inst4(enum qop op
, struct qreg dst
,
225 void qir_emit(struct qcompile
*c
, struct qinst
*inst
);
226 struct qreg
qir_get_temp(struct qcompile
*c
);
227 int qir_get_op_nsrc(enum qop qop
);
228 bool qir_reg_equals(struct qreg a
, struct qreg b
);
229 bool qir_has_side_effects(struct qinst
*inst
);
231 void qir_dump(struct qcompile
*c
);
232 void qir_dump_inst(struct qinst
*inst
);
233 const char *qir_get_stage_name(enum qstage stage
);
235 void qir_optimize(struct qcompile
*c
);
236 bool qir_opt_algebraic(struct qcompile
*c
);
237 bool qir_opt_copy_propagation(struct qcompile
*c
);
238 bool qir_opt_dead_code(struct qcompile
*c
);
240 #define QIR_ALU0(name) \
241 static inline struct qreg \
242 qir_##name(struct qcompile *c) \
244 struct qreg t = qir_get_temp(c); \
245 qir_emit(c, qir_inst(QOP_##name, t, c->undef, c->undef)); \
249 #define QIR_ALU1(name) \
250 static inline struct qreg \
251 qir_##name(struct qcompile *c, struct qreg a) \
253 struct qreg t = qir_get_temp(c); \
254 qir_emit(c, qir_inst(QOP_##name, t, a, c->undef)); \
258 #define QIR_ALU2(name) \
259 static inline struct qreg \
260 qir_##name(struct qcompile *c, struct qreg a, struct qreg b) \
262 struct qreg t = qir_get_temp(c); \
263 qir_emit(c, qir_inst(QOP_##name, t, a, b)); \
267 #define QIR_NODST_1(name) \
269 qir_##name(struct qcompile *c, struct qreg a) \
271 qir_emit(c, qir_inst(QOP_##name, c->undef, a, c->undef)); \
274 #define QIR_NODST_2(name) \
276 qir_##name(struct qcompile *c, struct qreg a, struct qreg b) \
278 qir_emit(c, qir_inst(QOP_##name, c->undef, a, b)); \
318 QIR_ALU2(PACK_SCALED
)
320 QIR_NODST_1(VPM_WRITE
)
329 QIR_NODST_1(TLB_DISCARD_SETUP
)
331 static inline struct qreg
332 qir_R4_UNPACK(struct qcompile
*c
, int i
)
334 struct qreg t
= qir_get_temp(c
);
335 qir_emit(c
, qir_inst(QOP_R4_UNPACK_A
+ i
, t
, c
->undef
, c
->undef
));
339 static inline struct qreg
340 qir_SEL_X_0_COND(struct qcompile
*c
, int i
)
342 struct qreg t
= qir_get_temp(c
);
343 qir_emit(c
, qir_inst(QOP_R4_UNPACK_A
+ i
, t
, c
->undef
, c
->undef
));
347 #endif /* VC4_QIR_H */