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[svn] Implemented destination argument output in D3D profile. Untested.
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--HG--
branch : trunk
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icculus committed Mar 16, 2008
1 parent 3956df2 commit d25879c
Showing 1 changed file with 216 additions and 22 deletions.
238 changes: 216 additions & 22 deletions d3d2glsl.c
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Expand Up @@ -118,6 +118,48 @@ typedef enum
SHADER_TYPE_TOTAL
} D3D2GLSL_shaderType;

typedef enum
{
REGISTER_TYPE_TEMP = 0,
REGISTER_TYPE_INPUT = 1,
REGISTER_TYPE_CONST = 2,
REGISTER_TYPE_ADDR = 3,
REGISTER_TYPE_TEXTURE = 3, // ALSO 3!
REGISTER_TYPE_RASTOUT = 4,
REGISTER_TYPE_ATTROUT = 5,
REGISTER_TYPE_TEXCRDOUT = 6,
REGISTER_TYPE_OUTPUT = 6, // ALSO 6!
REGISTER_TYPE_CONSTINT = 7,
REGISTER_TYPE_COLOROUT = 8,
REGISTER_TYPE_DEPTHOUT = 9,
REGISTER_TYPE_SAMPLER = 10,
REGISTER_TYPE_CONST2 = 11,
REGISTER_TYPE_CONST3 = 12,
REGISTER_TYPE_CONST4 = 13,
REGISTER_TYPE_CONSTBOOL = 14,
REGISTER_TYPE_LOOP = 15,
REGISTER_TYPE_TEMPFLOAT16 = 16,
REGISTER_TYPE_MISCTYPE = 17,
REGISTER_TYPE_LABEL = 18,
REGISTER_TYPE_PREDICATE = 19,
REGISTER_TYPE_MAX = 19
} D3D2GLSL_registerType;

typedef enum
{
RASTOUT_TYPE_POSITION = 0,
RASTOUT_TYPE_FOG = 1,
RASTOUT_TYPE_POINT_SIZE = 2,
RASTOUT_TYPE_MAX = 2
} D3D2GLSL_rastoutType;

typedef enum
{
MISCTYPE_TYPE_POSITION = 0,
MISCTYPE_TYPE_FACE = 1,
MISCTYPE_TYPE_MAX = 1
} D3D2GLSL_misctypeType;


// A simple linked list of strings, so we can build the final output without
// realloc()ing for each new line, and easily insert lines into the middle
Expand All @@ -129,18 +171,30 @@ typedef struct OutputList
} OutputList;


// result modifiers.
#define MOD_SATURATE 0x01
#define MOD_PP 0x02
#define MOD_CENTROID 0x04


typedef struct
{
const uint32 *token; // this is the unmolested token in the stream.
int regnum;
int relative;
int writemask;
int writemask; // xyzw or rgba (all four, not split out).
int writemask0; // x or red
int writemask1; // y or green
int writemask2; // z or blue
int writemask3; // w or alpha
int result_mod;
int result_shift;
int regtype;
} DestArgInfo;

typedef struct
{
const uint32 *token; // this is the unmolested token in the stream.
int regnum;
int relative;
int swizzle_x;
Expand Down Expand Up @@ -295,30 +349,158 @@ static int output_line(Context *ctx, const char *fmt, ...)

static char *make_D3D_destarg_string(Context *ctx, const int idx)
{
char *retval = NULL;
if (idx >= STATICARRAYLEN(ctx->dest_args))
{
fail(ctx, "Too many destination args");
return "";
} // if

retval = get_scratch_buffer(ctx);
strcpy(retval, "DST"); // !!! FIXME
const DestArgInfo *arg = &ctx->dest_args[idx];

const char *result_shift_str = "";
switch (arg->result_shift)
{
case 0x1: result_shift_str = "_x2"; break;
case 0x2: result_shift_str = "_x4"; break;
case 0x3: result_shift_str = "_x8"; break;
case 0xD: result_shift_str = "_d8"; break;
case 0xE: result_shift_str = "_d4"; break;
case 0xF: result_shift_str = "_d2"; break;
} // switch

const char *sat_str = (arg->result_mod & MOD_SATURATE) ? "_sat" : "";
const char *pp_str = (arg->result_mod & MOD_PP) ? "_pp" : "";
const char *cent_str = (arg->result_mod & MOD_CENTROID) ? "_centroid" : "";

char regnum_str[16];
snprintf(regnum_str, sizeof (regnum_str), "%u", (uint) arg->regnum);

static const char *regtypes[] = {
"r", "v", "c", NULL, NULL, "oD", NULL, "i", "oC", "oDepth",
"s", "c", "c", "c", "b", "aL", NULL, NULL, "l", "p"
};

const char *regtype_str = NULL;
switch ((D3D2GLSL_registerType) arg->regtype)
{
case REGISTER_TYPE_TEMP:
regtype_str = "r";
break;

case REGISTER_TYPE_INPUT:
regtype_str = "v";
break;

case REGISTER_TYPE_CONST:
case REGISTER_TYPE_CONST2:
case REGISTER_TYPE_CONST3:
case REGISTER_TYPE_CONST4:
regtype_str = "c";
break;

case REGISTER_TYPE_ADDR: // (or REGISTER_TYPE_TEXTURE, same value.)
regtype_str = (ctx->shader_type == SHADER_TYPE_VERTEX) ? "a" : "t";
break;

case REGISTER_TYPE_RASTOUT:
switch ((D3D2GLSL_rastoutType) arg->regnum)
{
case RASTOUT_TYPE_POSITION: regtype_str = "oPos"; break;
case RASTOUT_TYPE_FOG: regtype_str = "oFog"; break;
case RASTOUT_TYPE_POINT_SIZE: regtype_str = "oPts"; break;
} // switch
regnum_str[0] = '\0'; // no number for this register type.
break;

case REGISTER_TYPE_ATTROUT:
regtype_str = "oD";
break;

case REGISTER_TYPE_TEXCRDOUT: // (or REGISTER_TYPE_OUTPUT, same value.)
if ((ctx->shader_type==SHADER_TYPE_VERTEX) && (ctx->major_ver>=3))
regtype_str = "o";
else
regtype_str = "oT";
break;

case REGISTER_TYPE_CONSTINT:
regtype_str = "i";
break;

case REGISTER_TYPE_COLOROUT:
regtype_str = "oC";
break;

case REGISTER_TYPE_DEPTHOUT:
regtype_str = "oDepth";
regnum_str[0] = '\0'; // no number for this register type.
break;

case REGISTER_TYPE_SAMPLER:
regtype_str = "s";
break;

case REGISTER_TYPE_CONSTBOOL:
regtype_str = "b";
break;

case REGISTER_TYPE_LOOP:
regtype_str = "aL";
regnum_str[0] = '\0'; // no number for this register type.
break;

// !!! FIXME: don't know what the asm string is for this..
// case REGISTER_TYPE_TEMPFLOAT16:

case REGISTER_TYPE_MISCTYPE:
switch ((D3D2GLSL_misctypeType) arg->regnum)
{
case MISCTYPE_TYPE_POSITION: regtype_str = "vPos"; break;
case MISCTYPE_TYPE_FACE: regtype_str = "vFace"; break;
} // switch
regnum_str[0] = '\0'; // no number for this register type.
break;

case REGISTER_TYPE_LABEL:
regtype_str = "l";
break;

case REGISTER_TYPE_PREDICATE:
regtype_str = "p";
break;
} // switch

if (regtype_str == NULL)
{
fail(ctx, "Unknown destination register type.");
return "";
} // if

const char *dot_str = (arg->writemask != 0) ? "." : "";
const char *x_str = (arg->writemask0 != 0) ? "x" : "";
const char *y_str = (arg->writemask1 != 0) ? "y" : "";
const char *z_str = (arg->writemask2 != 0) ? "z" : "";
const char *w_str = (arg->writemask3 != 0) ? "w" : "";

// may turn out something like "_x2_sat_pp_centroid r0.xyzw" ...
char *retval = get_scratch_buffer(ctx);
snprintf(retval, D3D2GLSL_SCRATCH_BUFFER_SIZE, "%s%s%s%s %s%s%s%s%s%s",
result_shift_str, sat_str, pp_str, cent_str,
regtype_str, regnum_str, dot_str, x_str, y_str, z_str, w_str);

return retval;
} // make_D3D_destarg_string


static char *make_D3D_sourcearg_string(Context *ctx, const int idx)
{
char *retval = NULL;
if (idx >= STATICARRAYLEN(ctx->source_args))
{
fail(ctx, "Too many source args");
return "";
} // if

retval = get_scratch_buffer(ctx);
char *retval = get_scratch_buffer(ctx);
strcpy(retval, "SRC"); // !!! FIXME

return retval;
Expand Down Expand Up @@ -374,7 +556,7 @@ static void emit_D3D_RESERVED(Context *ctx)
static void emit_D3D_opcode_d(Context *ctx, const char *opcode)
{
const char *dst0 = make_D3D_destarg_string(ctx, 0);
output_line(ctx, "%s %s", opcode, dst0);
output_line(ctx, "%s%s", opcode, dst0);
} // emit_D3D_opcode_d


Expand All @@ -397,7 +579,7 @@ static void emit_D3D_opcode_ds(Context *ctx, const char *opcode)
{
const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
output_line(ctx, "%s %s, %s", opcode, dst0, src0);
output_line(ctx, "%s%s, %s", opcode, dst0, src0);
} // emit_D3D_opcode_ds


Expand All @@ -406,7 +588,7 @@ static void emit_D3D_opcode_dss(Context *ctx, const char *opcode)
const char *dst0 = make_D3D_destarg_string(ctx, 0);
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
output_line(ctx, "%s %s, %s, %s", opcode, dst0, src0, src1);
output_line(ctx, "%s%s, %s, %s", opcode, dst0, src0, src1);
} // emit_D3D_opcode_dss


Expand All @@ -416,7 +598,7 @@ static void emit_D3D_opcode_dsss(Context *ctx, const char *opcode)
const char *src0 = make_D3D_sourcearg_string(ctx, 0);
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
const char *src2 = make_D3D_sourcearg_string(ctx, 2);
output_line(ctx, "%s %s, %s, %s, %s", opcode, dst0, src0, src1, src2);
output_line(ctx, "%s%s, %s, %s, %s", opcode, dst0, src0, src1, src2);
} // emit_D3D_opcode_dsss


Expand All @@ -427,7 +609,7 @@ static void emit_D3D_opcode_dssss(Context *ctx, const char *opcode)
const char *src1 = make_D3D_sourcearg_string(ctx, 1);
const char *src2 = make_D3D_sourcearg_string(ctx, 2);
const char *src3 = make_D3D_sourcearg_string(ctx, 3);
output_line(ctx,"%s %s, %s, %s, %s, %s",opcode,dst0,src0,src1,src2,src3);
output_line(ctx,"%s%s, %s, %s, %s, %s",opcode,dst0,src0,src1,src2,src3);
} // emit_D3D_opcode_dssss


Expand Down Expand Up @@ -1049,16 +1231,21 @@ static int parse_destination_token(Context *ctx, DestArgInfo *info)
const int reserved1 = (int) ((token >> 14) & 0x3); // bits 14 through 15
const int reserved2 = (int) ((token >> 31) & 0x1); // bit 31

ctx->tokens++; // swallow token for now, for multiple calls in a row.
ctx->tokencount--; // swallow token for now, for multiple calls in a row.

info->token = ctx->tokens;
info->regnum = (int) (token & 0x7ff); // bits 0 through 10
info->relative = (int) ((token >> 13) & 0x1); // bit 13
info->writemask = (int) ((token >> 16) & 0xF); // bits 16 through 19
info->writemask = (int) ((token >> 16) & 0xF); // bit 16
info->writemask0 = (int) ((token >> 16) & 0x1); // bit 16
info->writemask1 = (int) ((token >> 17) & 0x1); // bit 17
info->writemask2 = (int) ((token >> 18) & 0x1); // bit 18
info->writemask3 = (int) ((token >> 19) & 0x1); // bit 19
info->result_mod = (int) ((token >> 20) & 0xF); // bits 20 through 23
info->result_shift = (int) ((token >> 24) & 0xF); // bits 24 through 27
info->regtype = (int) ((token >> 28) & 0x7) | ((token >> 9) & 0x18); // bits 28-30, 11-12

ctx->tokens++; // swallow token for now, for multiple calls in a row.
ctx->tokencount--; // swallow token for now, for multiple calls in a row.

if (reserved1 != 0x0)
return fail(ctx, "Reserved bit #1 in destination token must be zero");

Expand All @@ -1074,32 +1261,38 @@ static int parse_destination_token(Context *ctx, DestArgInfo *info)
return fail(ctx, "Relative addressing is unsupported"); // !!! FIXME
} // if

if (info->result_shift != 0)
const int s = info->result_shift;
if (s != 0)
{
if (ctx->shader_type != SHADER_TYPE_PIXEL)
return fail(ctx, "Result shift scale in non-pixel shader");
else if (ctx->major_ver >= 2)
return fail(ctx, "Result shift scale in pixel shader version >= 2.0");
else if ( ! (((s >= 1) && (s <= 3)) || ((s >= 0xD) && (s <= 0xF))) )
return fail(ctx, "Result shift scale isn't 1 to 3, or 13 to 15.");
} // if

if (info->result_mod & 0x1) // Saturate (vertex shaders only)
if (info->result_mod & MOD_SATURATE) // Saturate (vertex shaders only)
{
if (ctx->shader_type != SHADER_TYPE_VERTEX)
return fail(ctx, "Saturate result mod in non-vertex shader");
} // if

if (info->result_mod & 0x2) // Partial precision (pixel shaders only)
if (info->result_mod & MOD_PP) // Partial precision (pixel shaders only)
{
if (ctx->shader_type != SHADER_TYPE_PIXEL)
return fail(ctx, "Partial precision result mod in non-pixel shader");
} // if

if (info->result_mod & 0x4) // Centroid (pixel shaders only)
if (info->result_mod & MOD_CENTROID) // Centroid (pixel shaders only)
{
if (ctx->shader_type != SHADER_TYPE_PIXEL)
return fail(ctx, "Centroid result mod in non-pixel shader");
} // if

if ((info->regtype < 0) || (info->regtype > REGISTER_TYPE_MAX))
return fail(ctx, "Register type is out of range");

return 1;
} // parse_destination_token

Expand All @@ -1116,9 +1309,7 @@ static int parse_source_token(Context *ctx, SourceArgInfo *info)
const int reserved1 = (int) ((token >> 14) & 0x3); // bits 14 through 15
const int reserved2 = (int) ((token >> 31) & 0x1); // bit 31

ctx->tokens++; // swallow token for now, for multiple calls in a row.
ctx->tokencount--; // swallow token for now, for multiple calls in a row.

info->token = ctx->tokens;
info->regnum = (int) (token & 0x7ff); // bits 0 through 10
info->relative = (int) ((token >> 13) & 0x1); // bit 13
info->swizzle_x = (int) ((token >> 16) & 0x3); // bits 16 through 17
Expand All @@ -1128,6 +1319,9 @@ static int parse_source_token(Context *ctx, SourceArgInfo *info)
info->src_mod = (int) ((token >> 24) & 0xF); // bits 24 through 27
info->regtype = (int) ((token >> 28) & 0x7) | ((token >> 9) & 0x18); // bits 28-30, 11-12

ctx->tokens++; // swallow token for now, for multiple calls in a row.
ctx->tokencount--; // swallow token for now, for multiple calls in a row.

if (reserved1 != 0x0)
return fail(ctx, "Reserved bit #1 in source token must be zero");

Expand Down

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