#include <stdint.h>
#include <stdbool.h>
+#define BIFROST_DBG_MSGS 0x0001
+#define BIFROST_DBG_SHADERS 0x0002
+
+extern int bifrost_debug;
+
enum bifrost_clause_type {
BIFROST_CLAUSE_NONE = 0,
BIFROST_CLAUSE_LOAD_VARY = 1,
BIFROST_CLAUSE_SSBO_LOAD = 5,
BIFROST_CLAUSE_SSBO_STORE = 6,
BIFROST_CLAUSE_BLEND = 9,
+ BIFROST_CLAUSE_FRAGZ = 12,
BIFROST_CLAUSE_ATEST = 13,
BIFROST_CLAUSE_64BIT = 15
};
#define BIFROST_FMA_EXT (0xe0000)
#define BIFROST_FMA_OP_MOV BIFROST_FMA_EXT | (0x32d)
+#define BIFROST_FMA_OP_FREXPE_LOG BIFROST_FMA_EXT | 0x3c5
+#define BIFROST_FMA_OP_ADD_FREXPM ((BIFROST_FMA_EXT | 0x1e80) >> 3)
+#define BIFROST_FMA_SEL_16(swiz) (((BIFROST_FMA_EXT | 0x1e00) >> 3) | (swiz))
+
+#define BIFROST_FMA_ROUND_16(mode, swiz) (BIFROST_FMA_EXT | 0x1800 | (swiz) | ((mode) << 6))
+#define BIFROST_FMA_ROUND_32(mode) (BIFROST_FMA_EXT | 0x1805 | ((mode) << 6))
struct bifrost_fma_inst {
unsigned src0 : 3;
unsigned op : 17;
} __attribute__((packed));
+#define BIFROST_FMA_OP_SEL8 (0x71)
+
+struct bifrost_fma_sel8 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned src2 : 3;
+ unsigned src3 : 3;
+ unsigned swizzle : 4;
+ unsigned op : 7;
+} __attribute__((packed));
+
+#define BIFROST_FMA_OP_MSCALE (0x50 >> 3)
+
+struct bifrost_fma_mscale {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned src2 : 3;
+ unsigned src3 : 3;
+
+ /* If mscale_mode is set - an MSCALE specific mode. If it is not set, a
+ * regular outmod */
+ unsigned mode : 2;
+ unsigned mscale_mode : 1;
+
+ unsigned src0_abs : 1;
+ unsigned src1_neg : 1;
+ unsigned src2_neg : 1;
+ unsigned op : 5;
+} __attribute__((packed));
+
#define BIFROST_ADD_OP_BLEND (0x1952c)
#define BIFROST_ADD_OP_FRCP_FAST_F32 (0x0cc00)
#define BIFROST_ADD_OP_FRCP_FAST_F16_X (0x0ce10)
#define BIFROST_ADD_OP_FRSQ_FAST_F32 (0x0cc20)
#define BIFROST_ADD_OP_FRSQ_FAST_F16_X (0x0ce50)
#define BIFROST_ADD_OP_FRSQ_FAST_F16_Y (0x0ce70)
+#define BIFROST_ADD_OP_LOG2_HELP (0x0cc68)
+#define BIFROST_ADD_OP_FEXP2_FAST (0x0cd58)
struct bifrost_add_inst {
unsigned src0 : 3;
unsigned op : 17;
} __attribute__((packed));
+#define BIFROST_ADD_OP_DISCARD (0x19100 >> 8)
+
+enum bifrost_discard_cond {
+ BIFROST_DISCARD_FEQ = 0,
+ BIFROST_DISCARD_FNE = 1,
+ BIFROST_DISCARD_FLE = 2,
+ BIFROST_DISCARD_FLT = 3,
+};
+
+struct bifrost_add_discard {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ enum bifrost_discard_cond cond : 2;
+ /* Zero for fp32 */
+ unsigned src0_select : 1;
+ unsigned src1_select : 1;
+ unsigned fp32 : 1;
+ unsigned op : 9;
+} __attribute__((packed));
+
#define BIFROST_ADD_OP_LD_UBO_1 (0x0c1a0 >> 3)
#define BIFROST_ADD_OP_LD_UBO_2 (0x0c1e0 >> 3)
#define BIFROST_ADD_OP_LD_UBO_3 (0x0caa0 >> 3)
#define BIFROST_ADD_OP_LD_UBO_4 (0x0c220 >> 3)
+#define BIFROST_ADD_SEL_16(swiz) ((0xea60 >> 3) | (swiz))
struct bifrost_add_2src {
unsigned src0 : 3;
#define BIFROST_ADD_OP_FMIN32 (0x01)
#define BIFROST_ADD_OP_FADD32 (0x02)
+#define BIFROST_ADD_OP_FADD16 (0x0A)
+
struct bifrost_add_faddmin {
unsigned src0 : 3;
unsigned src1 : 3;
unsigned src1_abs : 1;
unsigned src0_neg : 1;
unsigned src1_neg : 1;
- unsigned select : 2;
- unsigned outmod : 2;
+ unsigned select : 2; /* swizzle_0 for fp16 */
+ unsigned outmod : 2; /* swizzle_1 for fp16 */
unsigned mode : 2;
unsigned src0_abs : 1;
unsigned op : 4;
} __attribute__((packed));
+#define BIFROST_ADD_OP_FMAX16 (0x10)
+#define BIFROST_ADD_OP_FMIN16 (0x12)
+
+struct bifrost_add_fmin16 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ /* abs2 inferred as with FMA */
+ unsigned abs1 : 1;
+ unsigned src0_neg : 1;
+ unsigned src1_neg : 1;
+ unsigned src0_swizzle : 2;
+ unsigned src1_swizzle : 2;
+ unsigned mode : 2;
+ unsigned op : 5;
+} __attribute__((packed));
+
#define BIFROST_ADD_OP_ST_VAR (0x19300 >> 8)
struct bifrost_st_vary {
unsigned op : 8;
} __attribute__((packed));
+#define BIFROST_FMA_OP_RSHIFT_NAND (0x60000 >> 12)
+#define BIFROST_FMA_OP_RSHIFT_AND (0x61000 >> 12)
+#define BIFROST_FMA_OP_LSHIFT_NAND (0x62000 >> 12)
+#define BIFROST_FMA_OP_LSHIFT_AND (0x63000 >> 12)
+#define BIFROST_FMA_OP_RSHIFT_XOR (0x64000 >> 12)
+#define BIFROST_FMA_OP_LSHIFT_ADD_32 (0x65200 >> 6)
+#define BIFROST_FMA_OP_LSHIFT_SUB_32 (0x65600 >> 6)
+#define BIFROST_FMA_OP_LSHIFT_RSUB_32 (0x65a00 >> 6)
+#define BIFROST_FMA_OP_RSHIFT_ADD_32 (0x65e00 >> 6)
+#define BIFROST_FMA_OP_RSHIFT_SUB_32 (0x66200 >> 6)
+#define BIFROST_FMA_OP_RSHIFT_RSUB_32 (0x66600 >> 6)
+
struct bifrost_shift_fma {
unsigned src0 : 3;
unsigned src1 : 3;
unsigned src2 : 3;
- unsigned half : 3; /* 000 for i32, 100 for i8, 111 for v2i16 */
+ unsigned half : 3;
unsigned unk : 1; /* always set? */
unsigned invert_1 : 1; /* Inverts sources to combining op */
/* For XOR, switches RSHIFT to LSHIFT since only one invert needed */
unsigned op : 7;
} __attribute__((packed));
+enum bifrost_fcmp_cond {
+ BIFROST_OEQ = 0,
+ BIFROST_OGT = 1,
+ BIFROST_OGE = 2,
+ BIFROST_UNE = 3,
+ BIFROST_OLT = 4,
+ BIFROST_OLE = 5,
+};
+
+#define BIFROST_FMA_OP_FCMP_GL (0x48000 >> 13)
+#define BIFROST_FMA_OP_FCMP_D3D (0x4c000 >> 13)
+
+struct bifrost_fma_fcmp {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned src1_abs : 1;
+ unsigned unk1 : 1;
+ unsigned src1_neg : 1;
+ unsigned src_expand : 3;
+ unsigned src0_abs : 1;
+ enum bifrost_fcmp_cond cond : 3;
+ unsigned op : 7;
+} __attribute__((packed));
+
+struct bifrost_add_fcmp {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ enum bifrost_fcmp_cond cond : 3;
+ unsigned src_expand : 2;
+ unsigned src0_abs : 1;
+ unsigned src1_abs : 1;
+ unsigned src1_neg : 1;
+ unsigned op : 6;
+} __attribute__((packed));
+
+#define BIFROST_FMA_OP_FCMP_GL_16 (0xc8000 >> 13)
+#define BIFROST_FMA_OP_FCMP_D3D_16 (0xcc000 >> 13)
+
+struct bifrost_fma_fcmp16 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+
+ /* abs2 inferred */
+ unsigned abs1 : 1;
+ unsigned unk : 2;
+
+ unsigned src0_swizzle : 2;
+ unsigned src1_swizzle : 2;
+
+ enum bifrost_fcmp_cond cond : 3;
+ unsigned op : 7;
+} __attribute__((packed));
+
+struct bifrost_add_fcmp16 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ enum bifrost_fcmp_cond cond : 3;
+
+ unsigned src0_swizzle : 2;
+ unsigned src1_swizzle : 2;
+
+ /* No abs mods */
+ unsigned src0_neg : 1;
+
+ unsigned op : 6;
+} __attribute__((packed));
+
+enum bifrost_icmp_cond {
+ BIFROST_ICMP_IGT = 0,
+ BIFROST_ICMP_IGE = 1, /* swapped for 16-bit */
+ BIFROST_ICMP_UGT = 2, /* swapped for 16-bit */
+ BIFROST_ICMP_UGE = 3,
+ BIFROST_ICMP_EQ = 4,
+ BIFROST_ICMP_NEQ = 5,
+ BIFROST_ICMP_32_OR_8 = 6, /* nested */
+ BIFROST_ICMP_64 = 7, /* nested */
+};
+
+struct bifrost_fma_icmp32 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ enum bifrost_icmp_cond cond : 3;
+ unsigned unk1 : 1; /* set */
+ unsigned d3d : 1;
+ unsigned op : 12;
+} __attribute__((packed));
+
+struct bifrost_fma_icmp16 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned unk : 5; /* 11010 */
+ enum bifrost_icmp_cond cond : 3;
+ unsigned op : 9;
+} __attribute__((packed));
+
+#define BIFROST_ADD_OP_ICMP_32 (0x0f600 >> 8)
+#define BIFROST_ADD_OP_ICMP_16 (0x0f000 >> 11)
+
+struct bifrost_add_icmp {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ enum bifrost_icmp_cond cond : 3;
+ unsigned sz : 1; /* 1 for 32, 0 for 8 */
+ unsigned d3d : 1;
+ unsigned op : 9;
+} __attribute__((packed));
+
+struct bifrost_add_icmp16 {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned src0_swizzle : 2;
+ unsigned src1_swizzle : 2;
+ unsigned d3d : 1;
+ enum bifrost_icmp_cond cond : 3;
+ unsigned op : 6;
+} __attribute__((packed));
+
/* Two sources for vectorization */
#define BIFROST_FMA_FLOAT32_TO_16 (0xdd000 >> 3)
#define BIFROST_ADD_FLOAT32_TO_16 (0x0EC00 >> 3)
#define BIFROST_ADD_OP_LD_VAR_16 (0x1a << 1)
#define BIFROST_ADD_OP_LD_VAR_32 (0x0a << 1)
+/* Fixed location for gl_FragCoord.zw */
+#define BIFROST_FRAGZ (23)
+#define BIFROST_FRAGW (22)
+
struct bifrost_ld_var {
unsigned src0 : 3;
unsigned unk1 : 22;
} __attribute__((packed));
+#define BIFROST_ADD_OP_TEX_COMPACT_F32 (0x0b000 >> 10)
+#define BIFROST_ADD_OP_TEX_COMPACT_F16 (0x1b000 >> 10)
+
+struct bifrost_tex_compact {
+ unsigned src0 : 3;
+ unsigned src1 : 3;
+ unsigned tex_index : 3;
+ unsigned unknown : 1;
+ unsigned sampler_index : 3;
+ unsigned op : 7;
+} __attribute__((packed));
+
enum branch_bit_size {
BR_SIZE_32 = 0,
BR_SIZE_16XX = 1,
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