Stefan Doesinger : wined3d: Implement break and breakc.
Alexandre Julliard
julliard at winehq.org
Tue Jun 16 09:09:38 CDT 2009
Module: wine
Branch: master
Commit: dfefbcd00de49194876d5fd54efa9cc54ff84616
URL: http://source.winehq.org/git/wine.git/?a=commit;h=dfefbcd00de49194876d5fd54efa9cc54ff84616
Author: Stefan Doesinger <stefan at codeweavers.com>
Date: Wed Jun 3 07:39:29 2009 +0200
wined3d: Implement break and breakc.
---
dlls/wined3d/arb_program_shader.c | 90 ++++++++++++++++++++++++++++++++++---
1 files changed, 84 insertions(+), 6 deletions(-)
diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 144b694..0800540 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -77,7 +77,13 @@ static unsigned int reserved_vs_const(IWineD3DBaseShader *shader, const WineD3D_
struct control_frame
{
struct list entry;
- BOOL ifc;
+ enum
+ {
+ IF,
+ IFC,
+ LOOP,
+ REP
+ } type;
BOOL muting;
BOOL outer_loop;
unsigned int loop_no;
@@ -2199,6 +2205,74 @@ static void shader_hw_endrep(const struct wined3d_shader_instruction *ins)
}
}
+static const struct control_frame *find_last_loop(const struct shader_arb_ctx_priv *priv)
+{
+ struct control_frame *control_frame;
+
+ LIST_FOR_EACH_ENTRY(control_frame, &priv->control_frames, struct control_frame, entry)
+ {
+ if(control_frame->type == LOOP || control_frame->type == REP) return control_frame;
+ }
+ ERR("Could not find loop for break\n");
+ return NULL;
+}
+
+static void shader_hw_break(const struct wined3d_shader_instruction *ins)
+{
+ SHADER_BUFFER *buffer = ins->ctx->buffer;
+ const struct control_frame *control_frame = find_last_loop(ins->ctx->backend_data);
+ BOOL vshader = shader_is_vshader_version(ins->ctx->reg_maps->shader_version.type);
+
+ if(vshader)
+ {
+ shader_addline(buffer, "BRA loop_%u_end;\n", control_frame->loop_no);
+ }
+ else
+ {
+ shader_addline(buffer, "BRK;\n");
+ }
+}
+
+static void shader_hw_breakc(const struct wined3d_shader_instruction *ins)
+{
+ SHADER_BUFFER *buffer = ins->ctx->buffer;
+ const struct control_frame *control_frame = find_last_loop(ins->ctx->backend_data);
+ char src_name0[50];
+ char src_name1[50];
+ const char *comp;
+ BOOL vshader = shader_is_vshader_version(ins->ctx->reg_maps->shader_version.type);
+
+ shader_arb_get_src_param(ins, &ins->src[0], 0, src_name0);
+ shader_arb_get_src_param(ins, &ins->src[1], 1, src_name1);
+
+ switch (ins->flags)
+ {
+ case COMPARISON_GT: comp = "GT"; break;
+ case COMPARISON_EQ: comp = "EQ"; break;
+ case COMPARISON_GE: comp = "GE"; break;
+ case COMPARISON_LT: comp = "LT"; break;
+ case COMPARISON_NE: comp = "NE"; break;
+ case COMPARISON_LE: comp = "LE"; break;
+ default:
+ FIXME("Unrecognized comparison value: %u\n", ins->flags);
+ comp = "(\?\?)";
+ }
+
+ if(vshader)
+ {
+ /* SUBC CC, src0, src1" works only in pixel shaders, so use TA to throw
+ * away the subtraction result
+ */
+ shader_addline(buffer, "SUBC TA, %s, %s;\n", src_name0, src_name1);
+ shader_addline(buffer, "BRA loop_%u_end (%s.x);\n", control_frame->loop_no, comp);
+ }
+ else
+ {
+ shader_addline(buffer, "SUBC CC, %s, %s;\n", src_name0, src_name1);
+ shader_addline(buffer, "BRK (%s.x);\n", comp);
+ }
+}
+
static GLuint create_arb_blt_vertex_program(const WineD3D_GL_Info *gl_info)
{
GLuint program_id = 0;
@@ -3225,8 +3299,8 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_ABS */ shader_hw_map2gl,
/* WINED3DSIH_ADD */ shader_hw_map2gl,
/* WINED3DSIH_BEM */ pshader_hw_bem,
- /* WINED3DSIH_BREAK */ NULL,
- /* WINED3DSIH_BREAKC */ NULL,
+ /* WINED3DSIH_BREAK */ shader_hw_break,
+ /* WINED3DSIH_BREAKC */ shader_hw_breakc,
/* WINED3DSIH_BREAKP */ NULL,
/* WINED3DSIH_CALL */ NULL,
/* WINED3DSIH_CALLNZ */ NULL,
@@ -3483,6 +3557,9 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
control_frame = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*control_frame));
list_add_head(&priv->control_frames, &control_frame->entry);
+ if(ins->handler_idx == WINED3DSIH_LOOP) control_frame->type = LOOP;
+ if(ins->handler_idx == WINED3DSIH_REP) control_frame->type = REP;
+
if(priv->target_version >= NV2)
{
control_frame->loop_no = priv->num_loops++;
@@ -3599,6 +3676,7 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
{
control_frame = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*control_frame));
list_add_head(&priv->control_frames, &control_frame->entry);
+ control_frame->type = IF;
if(!priv->muted && get_bool_const(ins, This, ins->src[0].reg.idx) == FALSE)
{
@@ -3614,7 +3692,7 @@ 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->ifc = TRUE;
+ control_frame->type = IFC;
list_add_head(&priv->control_frames, &control_frame->entry);
}
else if(ins->handler_idx == WINED3DSIH_ELSE)
@@ -3622,7 +3700,7 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
struct list *e = list_head(&priv->control_frames);
control_frame = LIST_ENTRY(e, struct control_frame, entry);
- if(control_frame->ifc == FALSE)
+ if(control_frame->type == IF)
{
shader_addline(buffer, "#} else {\n");
if(!priv->muted && !control_frame->muting)
@@ -3640,7 +3718,7 @@ static void shader_arb_handle_instruction(const struct wined3d_shader_instructio
struct list *e = list_head(&priv->control_frames);
control_frame = LIST_ENTRY(e, struct control_frame, entry);
- if(!control_frame->ifc)
+ if(control_frame->type == IF)
{
shader_addline(buffer, "#} endif\n");
if(control_frame->muting) priv->muted = FALSE;
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