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wined3d: Simplify shader_generate_main() a bit.

This commit is contained in:
Henri Verbeet 2008-12-15 12:10:15 +01:00 committed by Alexandre Julliard
parent 8553665cb1
commit 9011452243
1 changed files with 89 additions and 96 deletions
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185
dlls/wined3d/baseshader.c
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@ -822,10 +822,8 @@ static void shader_color_correction(IWineD3DBaseShaderImpl *shader,
device->shader_backend->shader_color_correction(arg, fixup);
}
/** 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 on msdn */
/* Shared code in order to generate the bulk of the shader string.
* NOTE: A description of how to parse tokens can be found on msdn */
void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
{
@ -835,8 +833,8 @@ void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
DWORD shader_version = reg_maps->shader_version;
const DWORD *pToken = pFunction;
const SHADER_OPCODE *curOpcode = NULL;
SHADER_HANDLER hw_fct = NULL;
const SHADER_OPCODE *curOpcode;
SHADER_HANDLER hw_fct;
DWORD i;
SHADER_OPCODE_ARG hw_arg;
@ -846,99 +844,94 @@ void shader_generate_main(IWineD3DBaseShader *iface, SHADER_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) {
if (!pToken) return;
/* 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(opcode_table, shader_version, hw_arg.opcode_token);
/* Select handler */
if (curOpcode == NULL)
hw_fct = NULL;
else
hw_fct = handler_table[curOpcode->handler_idx];
/* Unknown opcode and its parameters */
if (NULL == curOpcode) {
FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
pToken += shader_skip_unrecognized(pToken, shader_version);
/* 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(curOpcode, hw_arg.opcode_token, shader_version);
/* 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(pToken, shader_version, &param, &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(pToken, shader_version, &param, &addr_token);
hw_arg.src[i] = param;
hw_arg.src_addr[i] = addr_token;
}
/* Call appropriate function for output target */
hw_fct(&hw_arg);
/* Add color correction if needed */
shader_color_correction(This, device, &hw_arg, shader_version);
/* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
/* FIXME: This should be internal to the shader backend.
* Also, right now this is the only reason "shader_mode" exists. */
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(curOpcode, hw_arg.opcode_token, shader_version);
}
while (WINED3DPS_END() != *pToken)
{
/* Skip version token */
if (shader_is_version_token(*pToken))
{
++pToken;
continue;
}
/* TODO: What about result.depth? */
/* Skip comment tokens */
if (shader_is_comment(*pToken))
{
pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
++pToken;
continue;
}
/* Read opcode */
hw_arg.opcode_token = *pToken++;
curOpcode = shader_get_opcode(opcode_table, shader_version, hw_arg.opcode_token);
/* Unknown opcode and its parameters */
if (!curOpcode)
{
FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
pToken += shader_skip_unrecognized(pToken, shader_version);
continue;
}
/* Nothing to do */
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(curOpcode, hw_arg.opcode_token, shader_version);
continue;
}
/* Select handler */
hw_fct = handler_table[curOpcode->handler_idx];
/* Unhandled opcode */
if (!hw_fct)
{
FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
continue;
}
hw_arg.opcode = curOpcode;
/* Destination token */
if (curOpcode->dst_token)
{
DWORD param, addr_token = 0;
pToken += shader_get_param(pToken, shader_version, &param, &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(pToken, shader_version, &param, &addr_token);
hw_arg.src[i] = param;
hw_arg.src_addr[i] = addr_token;
}
/* Call appropriate function for output target */
hw_fct(&hw_arg);
/* Add color correction if needed */
shader_color_correction(This, device, &hw_arg, shader_version);
/* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
/* FIXME: This should be internal to the shader backend.
* Also, right now this is the only reason "shader_mode" exists. */
if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&hw_arg);
}
}