#ifndef VC4_QIR_H
#define VC4_QIR_H
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
+#include <string.h>
-#include "util/u_simple_list.h"
+#include "util/macros.h"
+#include "glsl/nir/nir.h"
+#include "util/list.h"
+#include "util/u_math.h"
+
+#include "vc4_screen.h"
+#include "pipe/p_state.h"
+
+struct nir_builder;
enum qfile {
QFILE_NULL,
QFILE_TEMP,
QFILE_VARY,
QFILE_UNIF,
+ QFILE_VPM,
+
+ /**
+ * Stores an immediate value in the index field that can be turned
+ * into a small immediate field by qpu_encode_small_immediate().
+ */
+ QFILE_SMALL_IMM,
};
struct qreg {
enum qfile file;
uint32_t index;
+ int pack;
};
enum qop {
QOP_FADD,
QOP_FSUB,
QOP_FMUL,
+ QOP_MUL24,
QOP_FMIN,
QOP_FMAX,
QOP_FMINABS,
QOP_FMAXABS,
+ QOP_ADD,
+ QOP_SUB,
+ QOP_SHL,
+ QOP_SHR,
+ QOP_ASR,
+ QOP_MIN,
+ QOP_MAX,
+ QOP_AND,
+ QOP_OR,
+ QOP_XOR,
+ QOP_NOT,
- QOP_SEQ,
- QOP_SNE,
- QOP_SGE,
- QOP_SLT,
- QOP_CMP,
+ /* Note: Orderings of these compares must be the same as in
+ * qpu_defines.h. Selects the src[0] if the ns flag bit is set,
+ * otherwise 0. */
+ QOP_SEL_X_0_ZS,
+ QOP_SEL_X_0_ZC,
+ QOP_SEL_X_0_NS,
+ QOP_SEL_X_0_NC,
+ /* Selects the src[0] if the ns flag bit is set, otherwise src[1]. */
+ QOP_SEL_X_Y_ZS,
+ QOP_SEL_X_Y_ZC,
+ QOP_SEL_X_Y_NS,
+ QOP_SEL_X_Y_NC,
QOP_FTOI,
+ QOP_ITOF,
QOP_RCP,
QOP_RSQ,
QOP_EXP2,
QOP_LOG2,
QOP_VW_SETUP,
QOP_VR_SETUP,
- QOP_PACK_SCALED,
- QOP_PACK_COLORS,
- QOP_VPM_WRITE,
- QOP_VPM_READ,
+ QOP_PACK_8888_F,
+ QOP_PACK_8A_F,
+ QOP_PACK_8B_F,
+ QOP_PACK_8C_F,
+ QOP_PACK_8D_F,
+ QOP_TLB_DISCARD_SETUP,
+ QOP_TLB_STENCIL_SETUP,
+ QOP_TLB_Z_WRITE,
QOP_TLB_COLOR_WRITE,
+ QOP_TLB_COLOR_READ,
QOP_VARY_ADD_C,
+
+ QOP_FRAG_X,
+ QOP_FRAG_Y,
+ QOP_FRAG_Z,
+ QOP_FRAG_W,
+ QOP_FRAG_REV_FLAG,
+
+ QOP_UNPACK_8A_F,
+ QOP_UNPACK_8B_F,
+ QOP_UNPACK_8C_F,
+ QOP_UNPACK_8D_F,
+ QOP_UNPACK_16A_F,
+ QOP_UNPACK_16B_F,
+
+ QOP_UNPACK_8A_I,
+ QOP_UNPACK_8B_I,
+ QOP_UNPACK_8C_I,
+ QOP_UNPACK_8D_I,
+ QOP_UNPACK_16A_I,
+ QOP_UNPACK_16B_I,
+
+ /** Texture x coordinate parameter write */
+ QOP_TEX_S,
+ /** Texture y coordinate parameter write */
+ QOP_TEX_T,
+ /** Texture border color parameter or cube map z coordinate write */
+ QOP_TEX_R,
+ /** Texture LOD bias parameter write */
+ QOP_TEX_B,
+
+ /**
+ * Texture-unit 4-byte read with address provided direct in S
+ * cooordinate.
+ *
+ * The first operand is the offset from the start of the UBO, and the
+ * second is the uniform that has the UBO's base pointer.
+ */
+ QOP_TEX_DIRECT,
+
+ /**
+ * Signal of texture read being necessary and then reading r4 into
+ * the destination
+ */
+ QOP_TEX_RESULT,
};
-struct simple_node {
- struct simple_node *next;
- struct simple_node *prev;
+struct queued_qpu_inst {
+ struct list_head link;
+ uint64_t inst;
};
struct qinst {
- struct simple_node link;
+ struct list_head link;
enum qop op;
struct qreg dst;
struct qreg *src;
+ bool sf;
};
enum qstage {
QUNIFORM_VIEWPORT_X_SCALE,
QUNIFORM_VIEWPORT_Y_SCALE,
/** @} */
+
+ QUNIFORM_VIEWPORT_Z_OFFSET,
+ QUNIFORM_VIEWPORT_Z_SCALE,
+
+ QUNIFORM_USER_CLIP_PLANE,
+
+ /**
+ * A reference to a texture config parameter 0 uniform.
+ *
+ * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
+ * defines texture type, miplevels, and such. It will be found as a
+ * parameter to the first QOP_TEX_[STRB] instruction in a sequence.
+ */
+ QUNIFORM_TEXTURE_CONFIG_P0,
+
+ /**
+ * A reference to a texture config parameter 1 uniform.
+ *
+ * This is a uniform implicitly loaded with a QPU_W_TMU* write, which
+ * defines texture width, height, filters, and wrap modes. It will be
+ * found as a parameter to the second QOP_TEX_[STRB] instruction in a
+ * sequence.
+ */
+ QUNIFORM_TEXTURE_CONFIG_P1,
+
+ /** A reference to a texture config parameter 2 cubemap stride uniform */
+ QUNIFORM_TEXTURE_CONFIG_P2,
+
+ QUNIFORM_UBO_ADDR,
+
+ QUNIFORM_TEXRECT_SCALE_X,
+ QUNIFORM_TEXRECT_SCALE_Y,
+
+ QUNIFORM_TEXTURE_BORDER_COLOR,
+
+ QUNIFORM_BLEND_CONST_COLOR_X,
+ QUNIFORM_BLEND_CONST_COLOR_Y,
+ QUNIFORM_BLEND_CONST_COLOR_Z,
+ QUNIFORM_BLEND_CONST_COLOR_W,
+
+ QUNIFORM_STENCIL,
+
+ QUNIFORM_ALPHA_REF,
};
-struct qcompile {
+struct vc4_varying_semantic {
+ uint8_t semantic;
+ uint8_t index;
+ uint8_t swizzle;
+};
+
+struct vc4_compiler_ubo_range {
+ /**
+ * offset in bytes from the start of the ubo where this range is
+ * uploaded.
+ *
+ * Only set once used is set.
+ */
+ uint32_t dst_offset;
+
+ /**
+ * offset in bytes from the start of the gallium uniforms where the
+ * data comes from.
+ */
+ uint32_t src_offset;
+
+ /** size in bytes of this ubo range */
+ uint32_t size;
+
+ /**
+ * Set if this range is used by the shader for indirect uniforms
+ * access.
+ */
+ bool used;
+};
+
+struct vc4_key {
+ struct vc4_uncompiled_shader *shader_state;
+ struct {
+ enum pipe_format format;
+ unsigned compare_mode:1;
+ unsigned compare_func:3;
+ unsigned wrap_s:3;
+ unsigned wrap_t:3;
+ uint8_t swizzle[4];
+ } tex[VC4_MAX_TEXTURE_SAMPLERS];
+ uint8_t ucp_enables;
+};
+
+struct vc4_fs_key {
+ struct vc4_key base;
+ enum pipe_format color_format;
+ bool depth_enabled;
+ bool stencil_enabled;
+ bool stencil_twoside;
+ bool stencil_full_writemasks;
+ bool is_points;
+ bool is_lines;
+ bool alpha_test;
+ bool point_coord_upper_left;
+ bool light_twoside;
+ uint8_t alpha_test_func;
+ uint8_t logicop_func;
+ uint32_t point_sprite_mask;
+
+ struct pipe_rt_blend_state blend;
+};
+
+struct vc4_vs_key {
+ struct vc4_key base;
+
+ /**
+ * This is a proxy for the array of FS input semantics, which is
+ * larger than we would want to put in the key.
+ */
+ uint64_t compiled_fs_id;
+
+ enum pipe_format attr_formats[8];
+ bool is_coord;
+ bool per_vertex_point_size;
+};
+
+struct vc4_compile {
+ struct vc4_context *vc4;
+ nir_shader *s;
+ nir_function_impl *impl;
+ struct exec_list *cf_node_list;
+
+ /**
+ * Mapping from nir_register * or nir_ssa_def * to array of struct
+ * qreg for the values.
+ */
+ struct hash_table *def_ht;
+
+ /* For each temp, the instruction generating its value. */
+ struct qinst **defs;
+ uint32_t defs_array_size;
+
+ /**
+ * Inputs to the shader, arranged by TGSI declaration order.
+ *
+ * Not all fragment shader QFILE_VARY reads are present in this array.
+ */
+ struct qreg *inputs;
+ struct qreg *outputs;
+ uint32_t inputs_array_size;
+ uint32_t outputs_array_size;
+ uint32_t uniforms_array_size;
+
+ struct vc4_compiler_ubo_range *ubo_ranges;
+ uint32_t ubo_ranges_array_size;
+ /** Number of uniform areas declared in ubo_ranges. */
+ uint32_t num_uniform_ranges;
+ /** Number of uniform areas used for indirect addressed loads. */
+ uint32_t num_ubo_ranges;
+ uint32_t next_ubo_dst_offset;
+
+ struct qreg line_x, point_x, point_y;
+ struct qreg discard;
+
+ uint8_t vattr_sizes[8];
+
+ /**
+ * Array of the TGSI semantics of all FS QFILE_VARY reads.
+ *
+ * This includes those that aren't part of the VPM varyings, like
+ * point/line coordinates.
+ */
+ struct vc4_varying_semantic *input_semantics;
+ uint32_t num_input_semantics;
+ uint32_t input_semantics_array_size;
+
+ /**
+ * An entry per outputs[] in the VS indicating what the semantic of
+ * the output is. Used to emit from the VS in the order that the FS
+ * needs.
+ */
+ struct vc4_varying_semantic *output_semantics;
+
+ struct pipe_shader_state *shader_state;
+ struct vc4_key *key;
+ struct vc4_fs_key *fs_key;
+ struct vc4_vs_key *vs_key;
+
+ uint32_t *uniform_data;
+ enum quniform_contents *uniform_contents;
+ uint32_t uniform_array_size;
+ uint32_t num_uniforms;
+ uint32_t num_outputs;
+ uint32_t num_texture_samples;
+ uint32_t output_position_index;
+ uint32_t output_clipvertex_index;
+ uint32_t output_color_index;
+ uint32_t output_point_size_index;
+
struct qreg undef;
enum qstage stage;
uint32_t num_temps;
- struct simple_node instructions;
+ struct list_head instructions;
uint32_t immediates[1024];
- struct simple_node qpu_inst_list;
+ struct list_head qpu_inst_list;
uint64_t *qpu_insts;
uint32_t qpu_inst_count;
uint32_t qpu_inst_size;
+ uint32_t num_inputs;
+
+ uint32_t program_id;
+ uint32_t variant_id;
};
-struct qcompile *qir_compile_init(void);
-void qir_compile_destroy(struct qcompile *c);
+/* Special nir_load_input intrinsic index for loading the current TLB
+ * destination color.
+ */
+#define VC4_NIR_TLB_COLOR_READ_INPUT 2000000000
+
+/* Special offset for nir_load_uniform values to get a QUNIFORM_*
+ * state-dependent value.
+ */
+#define VC4_NIR_STATE_UNIFORM_OFFSET 2000000000
+
+struct vc4_compile *qir_compile_init(void);
+void qir_compile_destroy(struct vc4_compile *c);
struct qinst *qir_inst(enum qop op, struct qreg dst,
struct qreg src0, struct qreg src1);
struct qinst *qir_inst4(enum qop op, struct qreg dst,
struct qreg b,
struct qreg c,
struct qreg d);
-void qir_emit(struct qcompile *c, struct qinst *inst);
-struct qreg qir_get_temp(struct qcompile *c);
+void qir_remove_instruction(struct vc4_compile *c, struct qinst *qinst);
+struct qreg qir_uniform(struct vc4_compile *c,
+ enum quniform_contents contents,
+ uint32_t data);
+void qir_reorder_uniforms(struct vc4_compile *c);
+
+void qir_emit(struct vc4_compile *c, struct qinst *inst);
+static inline void qir_emit_nodef(struct vc4_compile *c, struct qinst *inst)
+{
+ list_addtail(&inst->link, &c->instructions);
+}
+
+struct qreg qir_get_temp(struct vc4_compile *c);
int qir_get_op_nsrc(enum qop qop);
bool qir_reg_equals(struct qreg a, struct qreg b);
+bool qir_has_side_effects(struct vc4_compile *c, struct qinst *inst);
+bool qir_has_side_effect_reads(struct vc4_compile *c, struct qinst *inst);
+bool qir_is_multi_instruction(struct qinst *inst);
+bool qir_is_mul(struct qinst *inst);
+bool qir_is_tex(struct qinst *inst);
+bool qir_depends_on_flags(struct qinst *inst);
+bool qir_writes_r4(struct qinst *inst);
+bool qir_src_needs_a_file(struct qinst *inst);
+struct qreg qir_follow_movs(struct vc4_compile *c, struct qreg reg);
-void qir_dump(struct qcompile *c);
-void qir_dump_inst(struct qinst *inst);
+void qir_dump(struct vc4_compile *c);
+void qir_dump_inst(struct vc4_compile *c, struct qinst *inst);
const char *qir_get_stage_name(enum qstage stage);
-void qir_optimize(struct qcompile *c);
-bool qir_opt_algebraic(struct qcompile *c);
+void qir_optimize(struct vc4_compile *c);
+bool qir_opt_algebraic(struct vc4_compile *c);
+bool qir_opt_constant_folding(struct vc4_compile *c);
+bool qir_opt_copy_propagation(struct vc4_compile *c);
+bool qir_opt_cse(struct vc4_compile *c);
+bool qir_opt_dead_code(struct vc4_compile *c);
+bool qir_opt_small_immediates(struct vc4_compile *c);
+bool qir_opt_vpm_writes(struct vc4_compile *c);
+void vc4_nir_lower_blend(struct vc4_compile *c);
+void vc4_nir_lower_io(struct vc4_compile *c);
+nir_ssa_def *vc4_nir_get_state_uniform(struct nir_builder *b,
+ enum quniform_contents contents);
+nir_ssa_def *vc4_nir_get_swizzled_channel(struct nir_builder *b,
+ nir_ssa_def **srcs, int swiz);
+void qir_lower_uniforms(struct vc4_compile *c);
+
+void qpu_schedule_instructions(struct vc4_compile *c);
+
+void qir_SF(struct vc4_compile *c, struct qreg src);
+
+static inline struct qreg
+qir_uniform_ui(struct vc4_compile *c, uint32_t ui)
+{
+ return qir_uniform(c, QUNIFORM_CONSTANT, ui);
+}
+
+static inline struct qreg
+qir_uniform_f(struct vc4_compile *c, float f)
+{
+ return qir_uniform(c, QUNIFORM_CONSTANT, fui(f));
+}
+
+#define QIR_ALU0(name) \
+static inline struct qreg \
+qir_##name(struct vc4_compile *c) \
+{ \
+ struct qreg t = qir_get_temp(c); \
+ qir_emit(c, qir_inst(QOP_##name, t, c->undef, c->undef)); \
+ return t; \
+}
#define QIR_ALU1(name) \
static inline struct qreg \
-qir_##name(struct qcompile *c, struct qreg a) \
+qir_##name(struct vc4_compile *c, struct qreg a) \
{ \
struct qreg t = qir_get_temp(c); \
qir_emit(c, qir_inst(QOP_##name, t, a, c->undef)); \
return t; \
+} \
+static inline void \
+qir_##name##_dest(struct vc4_compile *c, struct qreg dest, \
+ struct qreg a) \
+{ \
+ qir_emit_nodef(c, qir_inst(QOP_##name, dest, a, c->undef)); \
}
#define QIR_ALU2(name) \
static inline struct qreg \
-qir_##name(struct qcompile *c, struct qreg a, struct qreg b) \
+qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b) \
{ \
struct qreg t = qir_get_temp(c); \
qir_emit(c, qir_inst(QOP_##name, t, a, b)); \
return t; \
+} \
+static inline void \
+qir_##name##_dest(struct vc4_compile *c, struct qreg dest, \
+ struct qreg a, struct qreg b) \
+{ \
+ qir_emit_nodef(c, qir_inst(QOP_##name, dest, a, b)); \
+}
+
+#define QIR_NODST_1(name) \
+static inline void \
+qir_##name(struct vc4_compile *c, struct qreg a) \
+{ \
+ qir_emit(c, qir_inst(QOP_##name, c->undef, a, c->undef)); \
+}
+
+#define QIR_NODST_2(name) \
+static inline void \
+qir_##name(struct vc4_compile *c, struct qreg a, struct qreg b) \
+{ \
+ qir_emit(c, qir_inst(QOP_##name, c->undef, a, b)); \
+}
+
+#define QIR_PACK(name) \
+static inline struct qreg \
+qir_##name(struct vc4_compile *c, struct qreg dest, struct qreg a) \
+{ \
+ qir_emit_nodef(c, qir_inst(QOP_##name, dest, a, c->undef)); \
+ return dest; \
}
QIR_ALU1(MOV)
QIR_ALU2(FADD)
QIR_ALU2(FSUB)
QIR_ALU2(FMUL)
+QIR_ALU2(MUL24)
+QIR_ALU1(SEL_X_0_ZS)
+QIR_ALU1(SEL_X_0_ZC)
+QIR_ALU1(SEL_X_0_NS)
+QIR_ALU1(SEL_X_0_NC)
+QIR_ALU2(SEL_X_Y_ZS)
+QIR_ALU2(SEL_X_Y_ZC)
+QIR_ALU2(SEL_X_Y_NS)
+QIR_ALU2(SEL_X_Y_NC)
QIR_ALU2(FMIN)
QIR_ALU2(FMAX)
QIR_ALU2(FMINABS)
QIR_ALU2(FMAXABS)
QIR_ALU1(FTOI)
+QIR_ALU1(ITOF)
+
+QIR_ALU2(ADD)
+QIR_ALU2(SUB)
+QIR_ALU2(SHL)
+QIR_ALU2(SHR)
+QIR_ALU2(ASR)
+QIR_ALU2(MIN)
+QIR_ALU2(MAX)
+QIR_ALU2(AND)
+QIR_ALU2(OR)
+QIR_ALU2(XOR)
+QIR_ALU1(NOT)
+
QIR_ALU1(RCP)
QIR_ALU1(RSQ)
QIR_ALU1(EXP2)
QIR_ALU1(LOG2)
-QIR_ALU2(PACK_SCALED)
+QIR_ALU1(PACK_8888_F)
+QIR_PACK(PACK_8A_F)
+QIR_PACK(PACK_8B_F)
+QIR_PACK(PACK_8C_F)
+QIR_PACK(PACK_8D_F)
QIR_ALU1(VARY_ADD_C)
+QIR_NODST_2(TEX_S)
+QIR_NODST_2(TEX_T)
+QIR_NODST_2(TEX_R)
+QIR_NODST_2(TEX_B)
+QIR_NODST_2(TEX_DIRECT)
+QIR_ALU0(FRAG_X)
+QIR_ALU0(FRAG_Y)
+QIR_ALU0(FRAG_Z)
+QIR_ALU0(FRAG_W)
+QIR_ALU0(FRAG_REV_FLAG)
+QIR_ALU0(TEX_RESULT)
+QIR_ALU0(TLB_COLOR_READ)
+QIR_NODST_1(TLB_COLOR_WRITE)
+QIR_NODST_1(TLB_Z_WRITE)
+QIR_NODST_1(TLB_DISCARD_SETUP)
+QIR_NODST_1(TLB_STENCIL_SETUP)
+
+static inline struct qreg
+qir_UNPACK_8_F(struct vc4_compile *c, struct qreg src, int i)
+{
+ struct qreg t = qir_get_temp(c);
+ qir_emit(c, qir_inst(QOP_UNPACK_8A_F + i, t, src, c->undef));
+ return t;
+}
+
+static inline struct qreg
+qir_UNPACK_8_I(struct vc4_compile *c, struct qreg src, int i)
+{
+ struct qreg t = qir_get_temp(c);
+ qir_emit(c, qir_inst(QOP_UNPACK_8A_I + i, t, src, c->undef));
+ return t;
+}
+
+static inline struct qreg
+qir_UNPACK_16_F(struct vc4_compile *c, struct qreg src, int i)
+{
+ struct qreg t = qir_get_temp(c);
+ qir_emit(c, qir_inst(QOP_UNPACK_16A_F + i, t, src, c->undef));
+ return t;
+}
+
+static inline struct qreg
+qir_UNPACK_16_I(struct vc4_compile *c, struct qreg src, int i)
+{
+ struct qreg t = qir_get_temp(c);
+ qir_emit(c, qir_inst(QOP_UNPACK_16A_I + i, t, src, c->undef));
+ return t;
+}
+
+static inline struct qreg
+qir_PACK_8_F(struct vc4_compile *c, struct qreg dest, struct qreg val, int chan)
+{
+ qir_emit(c, qir_inst(QOP_PACK_8A_F + chan, dest, val, c->undef));
+ if (dest.file == QFILE_TEMP)
+ c->defs[dest.index] = NULL;
+ return dest;
+}
+
+static inline struct qreg
+qir_POW(struct vc4_compile *c, struct qreg x, struct qreg y)
+{
+ return qir_EXP2(c, qir_FMUL(c,
+ y,
+ qir_LOG2(c, x)));
+}
static inline void
-qir_VPM_WRITE(struct qcompile *c, struct qreg a)
+qir_VPM_WRITE(struct vc4_compile *c, struct qreg val)
{
- qir_emit(c, qir_inst(QOP_VPM_WRITE, c->undef, a, c->undef));
+ static const struct qreg vpm = { QFILE_VPM, 0 };
+ qir_emit(c, qir_inst(QOP_MOV, vpm, val, c->undef));
}
#endif /* VC4_QIR_H */
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