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wined3d: Improve shader_sm4_read_opcode() to handle some simple opcodes.

This commit is contained in:
Henri Verbeet 2009-05-06 17:59:21 +02:00 committed by Alexandre Julliard
parent f1d7cfa93a
commit 94cf618658
1 changed files with 53 additions and 5 deletions
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58
dlls/wined3d/shader_sm4.c
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@ -40,6 +40,16 @@ WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
#define WINED3D_SM4_SWIZZLE_SHIFT 4
#define WINED3D_SM4_SWIZZLE_MASK (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
enum wined3d_sm4_opcode
{
WINED3D_SM4_OP_ADD = 0x00,
WINED3D_SM4_OP_EXP = 0x19,
WINED3D_SM4_OP_MOV = 0x36,
WINED3D_SM4_OP_MUL = 0x38,
WINED3D_SM4_OP_RET = 0x3e,
WINED3D_SM4_OP_SINCOS = 0x4d,
};
enum wined3d_sm4_register_type
{
WINED3D_SM4_RT_TEMP = 0x0,
@ -59,6 +69,24 @@ struct wined3d_sm4_data
const DWORD *end;
};
struct wined3d_sm4_opcode_info
{
enum wined3d_sm4_opcode opcode;
enum WINED3D_SHADER_INSTRUCTION_HANDLER handler_idx;
UINT dst_count;
UINT src_count;
};
static const struct wined3d_sm4_opcode_info opcode_table[] =
{
{WINED3D_SM4_OP_ADD, WINED3DSIH_ADD, 1, 2},
{WINED3D_SM4_OP_EXP, WINED3DSIH_EXP, 1, 1},
{WINED3D_SM4_OP_MOV, WINED3DSIH_MOV, 1, 1},
{WINED3D_SM4_OP_MUL, WINED3DSIH_MUL, 1, 2},
{WINED3D_SM4_OP_RET, WINED3DSIH_RET, 0, 0},
{WINED3D_SM4_OP_SINCOS, WINED3DSIH_SINCOS, 1, 2},
};
static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
{
/* WINED3D_SM4_RT_TEMP */ WINED3DSPR_TEMP,
@ -68,6 +96,18 @@ static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
/* WINED3D_SM4_RT_IMMCONST */ WINED3DSPR_IMMCONST,
};
static const struct wined3d_sm4_opcode_info *get_opcode_info(enum wined3d_sm4_opcode opcode)
{
unsigned int i;
for (i = 0; i < sizeof(opcode_table) / sizeof(*opcode_table); ++i)
{
if (opcode == opcode_table[i].opcode) return &opcode_table[i];
}
return NULL;
}
static void *shader_sm4_init(const DWORD *byte_code)
{
struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
@ -99,18 +139,26 @@ static void shader_sm4_read_header(void *data, const DWORD **ptr, DWORD *shader_
static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
UINT *param_size, DWORD shader_version)
{
const struct wined3d_sm4_opcode_info *opcode_info;
DWORD token = *(*ptr)++;
DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
*param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
ins->handler_idx = WINED3DSIH_TABLE_SIZE;
opcode_info = get_opcode_info(opcode);
if (!opcode_info)
{
FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
ins->handler_idx = WINED3DSIH_TABLE_SIZE;
return;
}
ins->handler_idx = opcode_info->handler_idx;
ins->flags = 0;
ins->coissue = 0;
ins->predicate = 0;
ins->dst_count = 0;
ins->src_count = 0;
*param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
ins->dst_count = opcode_info->dst_count;
ins->src_count = opcode_info->src_count;
}
static void shader_sm4_read_src_param(const DWORD **ptr, struct wined3d_shader_src_param *src_param,