diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2004-06-10 12:48:07 +0000 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2004-06-10 12:48:07 +0000 |
commit | 41b58954e1742493452b91d9ecdb761db5de3bed (patch) | |
tree | f170cda67626d1a0d4e7e51ea502553b0f144077 /src/mesa/drivers/dri/i915/i915_debug.c | |
parent | d7f76c7c8830882d849b42777ca601859ffac15a (diff) |
New driver for i915 as well as older i830/i845/i865 chipsets.
Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_debug.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/i915_debug.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_debug.c b/src/mesa/drivers/dri/i915/i915_debug.c new file mode 100644 index 0000000000..c67e0d4370 --- /dev/null +++ b/src/mesa/drivers/dri/i915/i915_debug.c @@ -0,0 +1,272 @@ +#include "i915_reg.h" +#include "i915_context.h" +#include <stdio.h> + + +static const char *opcodes[0x20] = { + "NOP", + "ADD", + "MOV", + "MUL", + "MAD", + "DP2ADD", + "DP3", + "DP4", + "FRC", + "RCP", + "RSQ", + "EXP", + "LOG", + "CMP", + "MIN", + "MAX", + "FLR", + "MOD", + "TRC", + "SGE", + "SLT", + "TEXLD", + "TEXLDP", + "TEXLDB", + "TEXKILL", + "DCL", + "0x1a", + "0x1b", + "0x1c", + "0x1d", + "0x1e", + "0x1f", +}; + + +static const int args[0x20] = { + 0, /* 0 nop */ + 2, /* 1 add */ + 1, /* 2 mov */ + 2, /* 3 m ul */ + 3, /* 4 mad */ + 3, /* 5 dp2add */ + 2, /* 6 dp3 */ + 2, /* 7 dp4 */ + 1, /* 8 frc */ + 1, /* 9 rcp */ + 1, /* a rsq */ + 1, /* b exp */ + 1, /* c log */ + 3, /* d cmp */ + 2, /* e min */ + 2, /* f max */ + 1, /* 10 flr */ + 1, /* 11 mod */ + 1, /* 12 trc */ + 2, /* 13 sge */ + 2, /* 14 slt */ + 1, + 1, + 1, + 1, + 0, + 0, + 0, + 0, + 0, + 0, + 0, +}; + + +static const char *regname[0x8] = { + "R", + "T", + "CONST", + "S", + "OC", + "OD", + "U", + "UNKNOWN", +}; + +static void print_reg_type_nr( GLuint type, GLuint nr ) +{ + switch (type) { + case REG_TYPE_T: + switch (nr) { + case T_DIFFUSE: fprintf(stderr, "T_DIFFUSE"); return; + case T_SPECULAR: fprintf(stderr, "T_SPECULAR"); return; + case T_FOG_W: fprintf(stderr, "T_FOG_W"); return; + default: fprintf(stderr, "T_TEX%d", nr); return; + } + case REG_TYPE_OC: + if (nr == 0) { + fprintf(stderr, "oC"); + return; + } + break; + case REG_TYPE_OD: + if (nr == 0) { + fprintf(stderr, "oD"); + return; + } + break; + default: + break; + } + + fprintf(stderr, "%s[%d]", regname[type], nr); +} + +#define REG_SWIZZLE_MASK 0x7777 +#define REG_NEGATE_MASK 0x8888 + +#define REG_SWIZZLE_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \ + (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \ + (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \ + (SRC_W << A2_SRC2_CHANNEL_W_SHIFT)) + + +static void print_reg_neg_swizzle( GLuint reg ) +{ + int i; + + if ((reg & REG_SWIZZLE_MASK) == REG_SWIZZLE_XYZW && + (reg & REG_NEGATE_MASK) == 0) + return; + + fprintf(stderr, "."); + + for (i = 3 ; i >= 0; i--) { + if (reg & (1<<((i*4)+3))) + fprintf(stderr, "-"); + + switch ((reg>>(i*4)) & 0x7) { + case 0: fprintf(stderr, "x"); break; + case 1: fprintf(stderr, "y"); break; + case 2: fprintf(stderr, "z"); break; + case 3: fprintf(stderr, "w"); break; + case 4: fprintf(stderr, "0"); break; + case 5: fprintf(stderr, "1"); break; + default: fprintf(stderr, "?"); break; + } + } +} + + +static void print_src_reg( GLuint dword ) +{ + GLuint nr = (dword >> A2_SRC2_NR_SHIFT) & REG_NR_MASK; + GLuint type = (dword >> A2_SRC2_TYPE_SHIFT) & REG_TYPE_MASK; + print_reg_type_nr( type, nr ); + print_reg_neg_swizzle( dword ); +} + +void i915_print_ureg( const char *msg, GLuint ureg ) +{ + fprintf(stderr, "%s: ", msg); + print_src_reg( ureg >> 8 ); + fprintf(stderr, "\n"); +} + +static void print_dest_reg( GLuint dword ) +{ + GLuint nr = (dword >> A0_DEST_NR_SHIFT) & REG_NR_MASK; + GLuint type = (dword >> A0_DEST_TYPE_SHIFT) & REG_TYPE_MASK; + print_reg_type_nr( type, nr ); + if ((dword & A0_DEST_CHANNEL_ALL) == A0_DEST_CHANNEL_ALL) + return; + fprintf(stderr, "."); + if (dword & A0_DEST_CHANNEL_X) fprintf(stderr, "x"); + if (dword & A0_DEST_CHANNEL_Y) fprintf(stderr, "y"); + if (dword & A0_DEST_CHANNEL_Z) fprintf(stderr, "z"); + if (dword & A0_DEST_CHANNEL_W) fprintf(stderr, "w"); +} + + +#define GET_SRC0_REG(r0, r1) ((r0<<14)|(r1>>A1_SRC0_CHANNEL_W_SHIFT)) +#define GET_SRC1_REG(r0, r1) ((r0<<8)|(r1>>A2_SRC1_CHANNEL_W_SHIFT)) +#define GET_SRC2_REG(r) (r) + + +static void print_arith_op( GLuint opcode, const GLuint *program ) +{ + if (opcode != A0_NOP) { + print_dest_reg(program[0]); + if (program[0] & A0_DEST_SATURATE) + fprintf(stderr, " = SATURATE "); + else + fprintf(stderr, " = "); + } + + fprintf(stderr, "%s ", opcodes[opcode]); + + print_src_reg(GET_SRC0_REG(program[0], program[1])); + if (args[opcode] == 1) { + fprintf(stderr, "\n"); + return; + } + + fprintf(stderr, ", "); + print_src_reg(GET_SRC1_REG(program[1], program[2])); + if (args[opcode] == 2) { + fprintf(stderr, "\n"); + return; + } + + fprintf(stderr, ", "); + print_src_reg(GET_SRC2_REG(program[2])); + fprintf(stderr, "\n"); + return; +} + + +static void print_tex_op( GLuint opcode, const GLuint *program ) +{ + print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL); + fprintf(stderr, " = "); + + fprintf(stderr, "%s ", opcodes[opcode]); + + fprintf(stderr, "S[%d],", + program[0] & T0_SAMPLER_NR_MASK); + + print_reg_type_nr( (program[1]>>T1_ADDRESS_REG_TYPE_SHIFT) & REG_TYPE_MASK, + (program[1]>>T1_ADDRESS_REG_NR_SHIFT) & REG_NR_MASK ); + fprintf(stderr, "\n"); +} + +static void print_dcl_op( GLuint opcode, const GLuint *program ) +{ + fprintf(stderr, "%s ", opcodes[opcode]); + print_dest_reg(program[0] | A0_DEST_CHANNEL_ALL); + fprintf(stderr, "\n"); +} + + +void i915_disassemble_program( const GLuint *program, GLuint sz ) +{ + GLuint size = program[0] & 0x1ff; + GLint i; + + fprintf(stderr, "BEGIN\n"); + + if (size+2 != sz) { + fprintf(stderr, "%s: program size mismatch %d/%d\n", __FUNCTION__, + size+2, sz); + exit(1); + } + + program ++; + for (i = 1 ; i < sz ; i+=3, program+=3) { + GLuint opcode = program[0] & (0x1f<<24); + + if (opcode >= A0_NOP && opcode <= A0_SLT) + print_arith_op(opcode >> 24, program); + else if (opcode >= T0_TEXLD && opcode <= T0_TEXKILL) + print_tex_op(opcode >> 24, program); + else if (opcode == D0_DCL) + print_dcl_op(opcode >> 24, program); + else + fprintf(stderr, "Unknown opcode 0x%x\n", opcode); + } + + fprintf(stderr, "END\n\n"); +} |