📄 baseshader.c
字号:
swizzle_reg_chars[swizzle_r],
swizzle_reg_chars[swizzle_g],
swizzle_reg_chars[swizzle_b],
swizzle_reg_chars[swizzle_a]);
}
}
}
}
/** Shared code in order to generate the bulk of the shader string.
Use the shader_header_fct & shader_footer_fct to add strings
that are specific to pixel or vertex functions
NOTE: A description of how to parse tokens can be found at:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
void shader_generate_main(
IWineD3DBaseShader *iface,
SHADER_BUFFER* buffer,
shader_reg_maps* reg_maps,
CONST DWORD* pFunction) {
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
const DWORD *pToken = pFunction;
const SHADER_OPCODE *curOpcode = NULL;
SHADER_HANDLER hw_fct = NULL;
DWORD i;
SHADER_OPCODE_ARG hw_arg;
/* Initialize current parsing state */
hw_arg.shader = iface;
hw_arg.buffer = buffer;
hw_arg.reg_maps = reg_maps;
This->baseShader.parse_state.current_row = 0;
/* Second pass, process opcodes */
if (NULL != pToken) {
while (WINED3DPS_END() != *pToken) {
/* Skip version token */
if (shader_is_version_token(*pToken)) {
++pToken;
continue;
}
/* Skip comment tokens */
if (shader_is_comment(*pToken)) {
DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
++pToken;
TRACE("#%s\n", (const char*)pToken);
pToken += comment_len;
continue;
}
/* Read opcode */
hw_arg.opcode_token = *pToken++;
curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
/* Select handler */
if (curOpcode == NULL)
hw_fct = NULL;
else if (This->baseShader.shader_mode == SHADER_GLSL)
hw_fct = curOpcode->hw_glsl_fct;
else if (This->baseShader.shader_mode == SHADER_ARB)
hw_fct = curOpcode->hw_fct;
/* Unknown opcode and its parameters */
if (NULL == curOpcode) {
FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
pToken += shader_skip_unrecognized(iface, pToken);
/* Nothing to do */
} else if (WINED3DSIO_DCL == curOpcode->opcode ||
WINED3DSIO_NOP == curOpcode->opcode ||
WINED3DSIO_DEF == curOpcode->opcode ||
WINED3DSIO_DEFI == curOpcode->opcode ||
WINED3DSIO_DEFB == curOpcode->opcode ||
WINED3DSIO_PHASE == curOpcode->opcode ||
WINED3DSIO_RET == curOpcode->opcode) {
pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
/* If a generator function is set for current shader target, use it */
} else if (hw_fct != NULL) {
hw_arg.opcode = curOpcode;
/* Destination token */
if (curOpcode->dst_token) {
DWORD param, addr_token = 0;
pToken += shader_get_param(iface, pToken, ¶m, &addr_token);
hw_arg.dst = param;
hw_arg.dst_addr = addr_token;
}
/* Predication token */
if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
hw_arg.predicate = *pToken++;
/* Other source tokens */
for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
DWORD param, addr_token = 0;
pToken += shader_get_param(iface, pToken, ¶m, &addr_token);
hw_arg.src[i] = param;
hw_arg.src_addr[i] = addr_token;
}
/* Call appropriate function for output target */
hw_fct(&hw_arg);
/* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
if (This->baseShader.shader_mode == SHADER_GLSL)
shader_glsl_add_instruction_modifiers(&hw_arg);
/* Unhandled opcode */
} else {
FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
}
}
/* TODO: What about result.depth? */
}
}
void shader_dump_ins_modifiers(const DWORD output) {
DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
switch (shift) {
case 0: break;
case 13: TRACE("_d8"); break;
case 14: TRACE("_d4"); break;
case 15: TRACE("_d2"); break;
case 1: TRACE("_x2"); break;
case 2: TRACE("_x4"); break;
case 3: TRACE("_x8"); break;
default: TRACE("_unhandled_shift(%d)", shift); break;
}
if (mmask & WINED3DSPDM_SATURATE) TRACE("_sat");
if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
if (mmask & WINED3DSPDM_MSAMPCENTROID) TRACE("_centroid");
mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
if (mmask)
FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
}
/* First pass: trace shader, initialize length and version */
void shader_trace_init(
IWineD3DBaseShader *iface,
const DWORD* pFunction) {
IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
const DWORD* pToken = pFunction;
const SHADER_OPCODE* curOpcode = NULL;
DWORD opcode_token;
unsigned int len = 0;
DWORD i;
TRACE("(%p) : Parsing programme\n", This);
if (NULL != pToken) {
while (WINED3DVS_END() != *pToken) {
if (shader_is_version_token(*pToken)) { /** version */
This->baseShader.hex_version = *pToken;
TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
++pToken;
++len;
continue;
}
if (shader_is_comment(*pToken)) { /** comment */
DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
++pToken;
TRACE("//%s\n", (const char*)pToken);
pToken += comment_len;
len += comment_len + 1;
continue;
}
opcode_token = *pToken++;
curOpcode = shader_get_opcode(iface, opcode_token);
len++;
if (NULL == curOpcode) {
int tokens_read;
FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
tokens_read = shader_skip_unrecognized(iface, pToken);
pToken += tokens_read;
len += tokens_read;
} else {
if (curOpcode->opcode == WINED3DSIO_DCL) {
DWORD usage = *pToken;
DWORD param = *(pToken + 1);
shader_dump_decl_usage(This, usage, param);
shader_dump_ins_modifiers(param);
TRACE(" ");
shader_dump_param(iface, param, 0, 0);
pToken += 2;
len += 2;
} else if (curOpcode->opcode == WINED3DSIO_DEF) {
unsigned int offset = shader_get_float_offset(*pToken);
TRACE("def c%u = %f, %f, %f, %f", offset,
*(const float *)(pToken + 1),
*(const float *)(pToken + 2),
*(const float *)(pToken + 3),
*(const float *)(pToken + 4));
pToken += 5;
len += 5;
} else if (curOpcode->opcode == WINED3DSIO_DEFI) {
TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
*(pToken + 1),
*(pToken + 2),
*(pToken + 3),
*(pToken + 4));
pToken += 5;
len += 5;
} else if (curOpcode->opcode == WINED3DSIO_DEFB) {
TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
*(pToken + 1)? "true": "false");
pToken += 2;
len += 2;
} else {
DWORD param, addr_token;
int tokens_read;
/* Print out predication source token first - it follows
* the destination token. */
if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
TRACE("(");
shader_dump_param(iface, *(pToken + 2), 0, 1);
TRACE(") ");
}
TRACE("%s", curOpcode->name);
if (curOpcode->opcode == WINED3DSIO_IFC ||
curOpcode->opcode == WINED3DSIO_BREAKC) {
DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
switch (op) {
case COMPARISON_GT: TRACE("_gt"); break;
case COMPARISON_EQ: TRACE("_eq"); break;
case COMPARISON_GE: TRACE("_ge"); break;
case COMPARISON_LT: TRACE("_lt"); break;
case COMPARISON_NE: TRACE("_ne"); break;
case COMPARISON_LE: TRACE("_le"); break;
default:
TRACE("_(%u)", op);
}
} else if (curOpcode->opcode == WINED3DSIO_TEX &&
This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
}
/* Destination token */
if (curOpcode->dst_token) {
/* Destination token */
tokens_read = shader_get_param(iface, pToken, ¶m, &addr_token);
pToken += tokens_read;
len += tokens_read;
shader_dump_ins_modifiers(param);
TRACE(" ");
shader_dump_param(iface, param, addr_token, 0);
}
/* Predication token - already printed out, just skip it */
if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
pToken++;
len++;
}
/* Other source tokens */
for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
tokens_read = shader_get_param(iface, pToken, ¶m, &addr_token);
pToken += tokens_read;
len += tokens_read;
TRACE((i == 0)? " " : ", ");
shader_dump_param(iface, param, addr_token, 1);
}
}
TRACE("\n");
}
}
This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
} else {
This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
}
}
void shader_delete_constant_list(
struct list* clist) {
struct list *ptr;
struct local_constant* constant;
ptr = list_head(clist);
while (ptr) {
constant = LIST_ENTRY(ptr, struct local_constant, entry);
ptr = list_next(clist, ptr);
HeapFree(GetProcessHeap(), 0, constant);
}
}
static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
static void shader_none_cleanup(IWineD3DDevice *iface) {}
const shader_backend_t none_shader_backend = {
&shader_none_select,
&shader_none_select_depth_blt,
&shader_none_load_constants,
&shader_none_cleanup
};
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