222 lines
6.9 KiB
C
222 lines
6.9 KiB
C
/*
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* Copyright 2009 Henri Verbeet for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include "wined3d_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
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#define WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT 24
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#define WINED3D_SM4_INSTRUCTION_LENGTH_MASK (0xf << WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT)
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#define WINED3D_SM4_OPCODE_MASK 0xff
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#define WINED3D_SM4_REGISTER_TYPE_SHIFT 12
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#define WINED3D_SM4_REGISTER_TYPE_MASK (0xf << WINED3D_SM4_REGISTER_TYPE_SHIFT)
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#define WINED3D_SM4_IMMCONST_TYPE_SHIFT 0
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#define WINED3D_SM4_IMMCONST_TYPE_MASK (0x3 << WINED3D_SM4_IMMCONST_TYPE_SHIFT)
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#define WINED3D_SM4_WRITEMASK_SHIFT 4
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#define WINED3D_SM4_WRITEMASK_MASK (0xf << WINED3D_SM4_WRITEMASK_SHIFT)
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#define WINED3D_SM4_SWIZZLE_SHIFT 4
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#define WINED3D_SM4_SWIZZLE_MASK (0xff << WINED3D_SM4_SWIZZLE_SHIFT)
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enum wined3d_sm4_register_type
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{
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WINED3D_SM4_RT_TEMP = 0x0,
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WINED3D_SM4_RT_INPUT = 0x1,
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WINED3D_SM4_RT_OUTPUT = 0x2,
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WINED3D_SM4_RT_IMMCONST = 0x4,
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};
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enum wined3d_sm4_immconst_type
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{
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WINED3D_SM4_IMMCONST_FLOAT = 0x1,
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WINED3D_SM4_IMMCONST_FLOAT4 = 0x2,
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};
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struct wined3d_sm4_data
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{
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const DWORD *end;
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};
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static const WINED3DSHADER_PARAM_REGISTER_TYPE register_type_table[] =
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{
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/* WINED3D_SM4_RT_TEMP */ WINED3DSPR_TEMP,
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/* WINED3D_SM4_RT_INPUT */ WINED3DSPR_INPUT,
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/* WINED3D_SM4_RT_OUTPUT */ WINED3DSPR_OUTPUT,
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/* UNKNOWN */ 0,
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/* WINED3D_SM4_RT_IMMCONST */ WINED3DSPR_IMMCONST,
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};
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static void *shader_sm4_init(const DWORD *byte_code)
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{
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struct wined3d_sm4_data *priv = HeapAlloc(GetProcessHeap(), 0, sizeof(*priv));
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if (!priv)
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{
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ERR("Failed to allocate private data\n");
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return NULL;
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}
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return priv;
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}
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static void shader_sm4_free(void *data)
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{
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HeapFree(GetProcessHeap(), 0, data);
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}
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static void shader_sm4_read_header(void *data, const DWORD **ptr, DWORD *shader_version)
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{
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struct wined3d_sm4_data *priv = data;
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priv->end = *ptr;
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TRACE("version: 0x%08x\n", **ptr);
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*shader_version = *(*ptr)++;
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TRACE("token count: %u\n", **ptr);
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priv->end += *(*ptr)++;
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}
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static void shader_sm4_read_opcode(void *data, const DWORD **ptr, struct wined3d_shader_instruction *ins,
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UINT *param_size, DWORD shader_version)
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{
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DWORD token = *(*ptr)++;
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DWORD opcode = token & WINED3D_SM4_OPCODE_MASK;
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FIXME("Unrecognized opcode %#x, token 0x%08x\n", opcode, token);
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ins->handler_idx = WINED3DSIH_TABLE_SIZE;
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ins->flags = 0;
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ins->coissue = 0;
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ins->predicate = 0;
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ins->dst_count = 0;
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ins->src_count = 0;
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*param_size = ((token & WINED3D_SM4_INSTRUCTION_LENGTH_MASK) >> WINED3D_SM4_INSTRUCTION_LENGTH_SHIFT) - 1;
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}
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static void shader_sm4_read_src_param(const DWORD **ptr, struct wined3d_shader_src_param *src_param,
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struct wined3d_shader_src_param *src_rel_addr, DWORD shader_version)
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{
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DWORD token = *(*ptr)++;
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enum wined3d_sm4_register_type register_type;
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register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
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if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
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{
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FIXME("Unhandled register type %#x\n", register_type);
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src_param->register_type = WINED3DSPR_TEMP;
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}
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else
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{
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src_param->register_type = register_type_table[register_type];
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}
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if (register_type == WINED3D_SM4_RT_IMMCONST)
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{
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enum wined3d_sm4_immconst_type immconst_type =
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(token & WINED3D_SM4_IMMCONST_TYPE_MASK) >> WINED3D_SM4_IMMCONST_TYPE_SHIFT;
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src_param->swizzle = WINED3DSP_NOSWIZZLE;
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switch(immconst_type)
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{
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case WINED3D_SM4_IMMCONST_FLOAT:
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src_param->immconst_type = WINED3D_IMMCONST_FLOAT;
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memcpy(src_param->immconst_data, *ptr, 1 * sizeof(DWORD));
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*ptr += 1;
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break;
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case WINED3D_SM4_IMMCONST_FLOAT4:
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src_param->immconst_type = WINED3D_IMMCONST_FLOAT4;
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memcpy(src_param->immconst_data, *ptr, 4 * sizeof(DWORD));
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*ptr += 4;
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break;
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default:
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FIXME("Unhandled immediate constant type %#x\n", immconst_type);
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break;
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}
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}
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else
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{
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src_param->register_idx = *(*ptr)++;
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src_param->swizzle = (token & WINED3D_SM4_SWIZZLE_MASK) >> WINED3D_SM4_SWIZZLE_SHIFT;
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}
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src_param->modifiers = 0;
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src_param->rel_addr = NULL;
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}
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static void shader_sm4_read_dst_param(const DWORD **ptr, struct wined3d_shader_dst_param *dst_param,
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struct wined3d_shader_src_param *dst_rel_addr, DWORD shader_version)
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{
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DWORD token = *(*ptr)++;
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UINT register_idx = *(*ptr)++;
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enum wined3d_sm4_register_type register_type;
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register_type = (token & WINED3D_SM4_REGISTER_TYPE_MASK) >> WINED3D_SM4_REGISTER_TYPE_SHIFT;
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if (register_type >= sizeof(register_type_table) / sizeof(*register_type_table))
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{
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FIXME("Unhandled register type %#x\n", register_type);
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dst_param->register_type = WINED3DSPR_TEMP;
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}
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else
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{
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dst_param->register_type = register_type_table[register_type];
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}
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dst_param->register_idx = register_idx;
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dst_param->write_mask = (token & WINED3D_SM4_WRITEMASK_MASK) >> WINED3D_SM4_WRITEMASK_SHIFT;
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dst_param->modifiers = 0;
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dst_param->shift = 0;
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dst_param->rel_addr = NULL;
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}
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static void shader_sm4_read_semantic(const DWORD **ptr, struct wined3d_shader_semantic *semantic)
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{
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FIXME("ptr %p, semantic %p stub!\n", ptr, semantic);
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}
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static void shader_sm4_read_comment(const DWORD **ptr, const char **comment)
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{
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FIXME("ptr %p, comment %p stub!\n", ptr, comment);
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*comment = NULL;
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}
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static BOOL shader_sm4_is_end(void *data, const DWORD **ptr)
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{
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struct wined3d_sm4_data *priv = data;
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return *ptr == priv->end;
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}
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const struct wined3d_shader_frontend sm4_shader_frontend =
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{
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shader_sm4_init,
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shader_sm4_free,
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shader_sm4_read_header,
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shader_sm4_read_opcode,
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shader_sm4_read_src_param,
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shader_sm4_read_dst_param,
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shader_sm4_read_semantic,
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shader_sm4_read_comment,
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shader_sm4_is_end,
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};
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