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wined3d: Implement IFC in ARB.

This commit is contained in:
Stefan Doesinger 2009-06-03 14:11:58 +02:00 committed by Alexandre Julliard
parent dfefbcd00d
commit e608ef856e
1 changed files with 107 additions and 12 deletions
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119
dlls/wined3d/arb_program_shader.c
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@ -86,8 +86,13 @@ struct control_frame
} type;
BOOL muting;
BOOL outer_loop;
unsigned int loop_no;
union
{
unsigned int loop_no;
unsigned int ifc_no;
};
DWORD loop_control[3];
BOOL had_else;
};
struct arb_ps_compile_args
@ -157,7 +162,7 @@ struct shader_arb_ctx_priv
struct list record;
BOOL recording;
BOOL muted;
unsigned int num_loops, loop_depth;
unsigned int num_loops, loop_depth, num_ifcs;
int aL;
};
@ -2273,6 +2278,92 @@ static void shader_hw_breakc(const struct wined3d_shader_instruction *ins)
}
}
static void shader_hw_ifc(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
struct shader_arb_ctx_priv *priv = ins->ctx->backend_data;
struct list *e = list_head(&priv->control_frames);
struct control_frame *control_frame = LIST_ENTRY(e, struct control_frame, entry);
const char *comp;
char src_name0[50];
char src_name1[50];
BOOL vshader = shader_is_vshader_version(ins->ctx->reg_maps->shader_version.type);
/* Invert the flag. We jump to the else label if the condition is NOT true */
switch(ins->flags)
{
case COMPARISON_GT: comp = "LE"; break;
case COMPARISON_EQ: comp = "NE"; break;
case COMPARISON_GE: comp = "LT"; break;
case COMPARISON_LT: comp = "GE"; break;
case COMPARISON_NE: comp = "EQ"; break;
case COMPARISON_LE: comp = "GT"; break;
default:
FIXME("Unrecognized comparison value: %u\n", ins->flags);
comp = "\?\?";
}
shader_arb_get_src_param(ins, &ins->src[0], 0, src_name0);
shader_arb_get_src_param(ins, &ins->src[1], 1, src_name1);
if(vshader)
{
shader_addline(buffer, "SUBC TA, %s, %s;\n", src_name0, src_name1);
shader_addline(buffer, "BRA ifc_%u_endif (%s.x);\n", control_frame->ifc_no, comp);
}
else
{
shader_addline(buffer, "SUBC CC, %s, %s;\n", src_name0, src_name1);
shader_addline(buffer, "IF %s.x;\n", comp);
}
}
static void shader_hw_else(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
struct shader_arb_ctx_priv *priv = ins->ctx->backend_data;
struct list *e = list_head(&priv->control_frames);
struct control_frame *control_frame = LIST_ENTRY(e, struct control_frame, entry);
BOOL vshader = shader_is_vshader_version(ins->ctx->reg_maps->shader_version.type);
if(vshader)
{
shader_addline(buffer, "BRA ifc_%u_endif;\n", control_frame->ifc_no);
shader_addline(buffer, "ifc_%u_else:\n", control_frame->ifc_no);
control_frame->had_else = TRUE;
}
else
{
shader_addline(buffer, "ELSE;\n");
}
}
static void shader_hw_endif(const struct wined3d_shader_instruction *ins)
{
SHADER_BUFFER *buffer = ins->ctx->buffer;
struct shader_arb_ctx_priv *priv = ins->ctx->backend_data;
struct list *e = list_head(&priv->control_frames);
struct control_frame *control_frame = LIST_ENTRY(e, struct control_frame, entry);
BOOL vshader = shader_is_vshader_version(ins->ctx->reg_maps->shader_version.type);
if(vshader)
{
if(control_frame->had_else)
{
shader_addline(buffer, "ifc_%u_endif:\n", control_frame->ifc_no);
}
else
{
shader_addline(buffer, "#No else branch. else is endif\n");
shader_addline(buffer, "ifc_%u_else:\n", control_frame->ifc_no);
}
}
else
{
shader_addline(buffer, "ENDIF;\n");
}
}
static GLuint create_arb_blt_vertex_program(const WineD3D_GL_Info *gl_info)
{
GLuint program_id = 0;
@ -3317,15 +3408,15 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_DST */ shader_hw_map2gl,
/* WINED3DSIH_DSX */ shader_hw_map2gl,
/* WINED3DSIH_DSY */ shader_hw_dsy,
/* WINED3DSIH_ELSE */ NULL,
/* WINED3DSIH_ENDIF */ NULL,
/* WINED3DSIH_ELSE */ shader_hw_else,
/* WINED3DSIH_ENDIF */ shader_hw_endif,
/* WINED3DSIH_ENDLOOP */ shader_hw_endloop,
/* WINED3DSIH_ENDREP */ shader_hw_endrep,
/* WINED3DSIH_EXP */ shader_hw_map2gl,
/* WINED3DSIH_EXPP */ shader_hw_map2gl,
/* WINED3DSIH_FRC */ shader_hw_map2gl,
/* WINED3DSIH_IF */ NULL,
/* WINED3DSIH_IFC */ NULL,
/* WINED3DSIH_IF */ NULL /* Hardcoded into the shader */,
/* WINED3DSIH_IFC */ shader_hw_ifc,
/* WINED3DSIH_LABEL */ NULL,
/* WINED3DSIH_LIT */ shader_hw_map2gl,
/* WINED3DSIH_LOG */ shader_hw_map2gl,
@ -3693,6 +3784,7 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
/* IF(bool) and if_cond(a, b) use the same ELSE and ENDIF tokens */
control_frame = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*control_frame));
control_frame->type = IFC;
control_frame->ifc_no = priv->num_ifcs++;
list_add_head(&priv->control_frames, &control_frame->entry);
}
else if(ins->handler_idx == WINED3DSIH_ELSE)
@ -3726,12 +3818,6 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
HeapFree(GetProcessHeap(), 0, control_frame);
return; /* Instruction is handled */
}
else
{
list_remove(&control_frame->entry);
HeapFree(GetProcessHeap(), 0, control_frame);
/* ifc - generate a hw endif */
}
}
if(priv->muted) return;
@ -3755,6 +3841,15 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
HeapFree(GetProcessHeap(), 0, control_frame);
priv->loop_depth--;
}
else if(ins->handler_idx == WINED3DSIH_ENDIF)
{
/* Non-ifc ENDIFs don't reach that place because of the return in the if block above */
struct list *e = list_head(&priv->control_frames);
control_frame = LIST_ENTRY(e, struct control_frame, entry);
list_remove(&control_frame->entry);
HeapFree(GetProcessHeap(), 0, control_frame);
}
shader_arb_add_instruction_modifiers(ins);
}