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wined3d: Catch RCP 0.0 in ARB.

This commit is contained in:
Stefan Dösinger 2010-05-21 14:05:46 +02:00 committed by Alexandre Julliard
parent c80b5d6afc
commit b5da118531
3 changed files with 50 additions and 5 deletions
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51
dlls/wined3d/arb_program_shader.c
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@ -104,8 +104,9 @@ static BOOL need_helper_const(IWineD3DBaseShaderImpl *shader, const struct wined
if (!gl_info->supported[NV_VERTEX_PROGRAM]) return TRUE; /* Need to init colors. */
if (gl_info->quirks & WINED3D_QUIRK_ARB_VS_OFFSET_LIMIT) return TRUE; /* Load the immval offset. */
if (gl_info->quirks & WINED3D_QUIRK_SET_TEXCOORD_W) return TRUE; /* Have to init texcoords. */
if (shader->baseShader.reg_maps.usesnrm) return TRUE; /* 0.0 */
if (!use_nv_clip(gl_info)) return TRUE; /* Init the clip texcoord */
if (shader->baseShader.reg_maps.usesnrm) return TRUE; /* 0.0 */
if (shader->baseShader.reg_maps.usesrcp) return TRUE; /* EPS */
return FALSE;
}
@ -126,6 +127,7 @@ enum arb_helper_value
ARB_ONE,
ARB_TWO,
ARB_0001,
ARB_EPS,
ARB_VS_REL_OFFSET
};
@ -146,6 +148,7 @@ static const char *arb_get_helper_value(enum wined3d_shader_type shader, enum ar
case ARB_ONE: return "ps_helper_const.y";
case ARB_TWO: return "coefmul.x";
case ARB_0001: return "helper_const.xxxy";
case ARB_EPS: return "ps_helper_const.z";
default: break;
}
}
@ -156,6 +159,7 @@ static const char *arb_get_helper_value(enum wined3d_shader_type shader, enum ar
case ARB_ZERO: return "helper_const.x";
case ARB_ONE: return "helper_const.y";
case ARB_TWO: return "helper_const.z";
case ARB_EPS: return "helper_const.w";
case ARB_0001: return "helper_const.xxxy";
case ARB_VS_REL_OFFSET: return "rel_addr_const.y";
}
@ -168,6 +172,7 @@ static const char *arb_get_helper_value(enum wined3d_shader_type shader, enum ar
case ARB_ONE: return "1.0";
case ARB_TWO: return "2.0";
case ARB_0001: return "{0.0, 0.0, 0.0, 1.0}";
case ARB_EPS: return "1e-8";
default: return "bad";
}
}
@ -2403,6 +2408,44 @@ static void shader_hw_mnxn(const struct wined3d_shader_instruction *ins)
}
}
static void shader_hw_rcp(const struct wined3d_shader_instruction *ins)
{
struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
struct shader_arb_ctx_priv *priv = ins->ctx->backend_data;
const char *flt_eps = arb_get_helper_value(ins->ctx->reg_maps->shader_version.type, ARB_EPS);
char dst[50];
char src[50];
shader_arb_get_dst_param(ins, &ins->dst[0], dst); /* Destination */
shader_arb_get_src_param(ins, &ins->src[0], 0, src);
if (ins->src[0].swizzle == WINED3DSP_NOSWIZZLE)
{
/* Dx sdk says .x is used if no swizzle is given, but our test shows that
* .w is used
*/
strcat(src, ".w");
}
/* TODO: If the destination is readable, and not the same as the source, the destination
* can be used instead of TA
*/
if (priv->target_version >= NV2)
{
shader_addline(buffer, "MOVC TA.x, %s;\n", src);
shader_addline(buffer, "MOV TA.x (EQ.x), %s;\n", flt_eps);
shader_addline(buffer, "RCP%s %s, TA.x;\n", shader_arb_get_modifier(ins), dst);
}
else
{
const char *zero = arb_get_helper_value(ins->ctx->reg_maps->shader_version.type, ARB_ZERO);
shader_addline(buffer, "ABS TA.x, %s;\n", src);
shader_addline(buffer, "SGE TA.y, -TA.x, %s;\n", zero);
shader_addline(buffer, "MAD TA.x, TA.y, %s, %s;\n", flt_eps, src);
shader_addline(buffer, "RCP%s %s, TA.x;\n", shader_arb_get_modifier(ins), dst);
}
}
static void shader_hw_scalar_op(const struct wined3d_shader_instruction *ins)
{
struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
@ -3578,7 +3621,7 @@ static GLuint shader_arb_generate_pshader(IWineD3DPixelShaderImpl *This, struct
if(dcl_td) shader_addline(buffer, "TEMP TD;\n"); /* Used for sRGB writing */
shader_addline(buffer, "PARAM coefdiv = { 0.5, 0.25, 0.125, 0.0625 };\n");
shader_addline(buffer, "PARAM coefmul = { 2, 4, 8, 16 };\n");
shader_addline(buffer, "PARAM ps_helper_const = { 0.0, 1.0, 0.0, 0.0 };\n");
shader_addline(buffer, "PARAM ps_helper_const = { 0.0, 1.0, %1.10f, 0.0 };\n", eps);
if (reg_maps->shader_version.major < 2)
{
@ -4074,7 +4117,7 @@ static GLuint shader_arb_generate_vshader(IWineD3DVertexShaderImpl *This, struct
shader_addline(buffer, "TEMP TMP_OUT;\n");
if(need_helper_const((IWineD3DBaseShaderImpl *) This, gl_info)) {
shader_addline(buffer, "PARAM helper_const = { 0.0, 1.0, 2.0, 0.0 };\n");
shader_addline(buffer, "PARAM helper_const = { 0.0, 1.0, 2.0, %1.10f};\n", eps);
}
if(need_rel_addr_const((IWineD3DBaseShaderImpl *) This, gl_info)) {
shader_addline(buffer, "PARAM rel_addr_const = { 0.5, %d.0, 0.0, 0.0 };\n", This->rel_offset);
@ -4949,7 +4992,7 @@ static const SHADER_HANDLER shader_arb_instruction_handler_table[WINED3DSIH_TABL
/* WINED3DSIH_NRM */ shader_hw_nrm,
/* WINED3DSIH_PHASE */ NULL,
/* WINED3DSIH_POW */ shader_hw_log_pow,
/* WINED3DSIH_RCP */ shader_hw_scalar_op,
/* WINED3DSIH_RCP */ shader_hw_rcp,
/* WINED3DSIH_REP */ shader_hw_rep,
/* WINED3DSIH_RET */ shader_hw_ret,
/* WINED3DSIH_RSQ */ shader_hw_scalar_op,

1
dlls/wined3d/shader.c
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@ -721,6 +721,7 @@ static HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct
else if (ins.handler_idx == WINED3DSIH_MOVA) reg_maps->usesmova = 1;
else if (ins.handler_idx == WINED3DSIH_IFC) reg_maps->usesifc = 1;
else if (ins.handler_idx == WINED3DSIH_CALL) reg_maps->usescall = 1;
else if (ins.handler_idx == WINED3DSIH_RCP) reg_maps->usesrcp = 1;
limit = ins.src_count + (ins.predicate ? 1 : 0);
for (i = 0; i < limit; ++i)

3
dlls/wined3d/wined3d_private.h
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@ -541,7 +541,8 @@ typedef struct shader_reg_maps
WORD usestexldl : 1;
WORD usesifc : 1;
WORD usescall : 1;
WORD padding : 4;
WORD usesrcp : 1;
WORD padding : 3;
/* Whether or not loops are used in this shader, and nesting depth */
unsigned loop_depth;