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wined3d: Implement WINED3DSIH_EQ in the GLSL shader backend.

This commit is contained in:
Henri Verbeet 2012-10-10 22:22:17 +02:00 committed by Alexandre Julliard
parent 4c4b224330
commit 09f5f59229
1 changed files with 45 additions and 1 deletions
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46
dlls/wined3d/glsl_shader.c
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@ -2218,6 +2218,50 @@ static void shader_glsl_binop(const struct wined3d_shader_instruction *ins)
shader_addline(buffer, "%s %c %s);\n", src0_param.param_str, op, src1_param.param_str);
}
static void shader_glsl_relop(const struct wined3d_shader_instruction *ins)
{
struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
struct glsl_src_param src0_param;
struct glsl_src_param src1_param;
unsigned int mask_size;
DWORD write_mask;
const char *op;
write_mask = shader_glsl_append_dst(buffer, ins);
mask_size = shader_glsl_get_write_mask_size(write_mask);
shader_glsl_add_src_param(ins, &ins->src[0], write_mask, &src0_param);
shader_glsl_add_src_param(ins, &ins->src[1], write_mask, &src1_param);
if (mask_size > 1)
{
switch (ins->handler_idx)
{
case WINED3DSIH_EQ: op = "equal"; break;
default:
op = "<unhandled operator>";
ERR("Unhandled opcode %#x.\n", ins->handler_idx);
break;
}
shader_addline(buffer, "uvec%u(%s(%s, %s)) * 0xffffffffu);\n",
mask_size, op, src0_param.param_str, src1_param.param_str);
}
else
{
switch (ins->handler_idx)
{
case WINED3DSIH_EQ: op = "=="; break;
default:
op = "<unhandled operator>";
ERR("Unhandled opcode %#x.\n", ins->handler_idx);
break;
}
shader_addline(buffer, "%s %s %s ? 0xffffffffu : 0u);\n",
src0_param.param_str, op, src1_param.param_str);
}
}
/* Process the WINED3DSIO_MOV opcode using GLSL (dst = src) */
static void shader_glsl_mov(const struct wined3d_shader_instruction *ins)
{
@ -5223,7 +5267,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
/* WINED3DSIH_ENDIF */ shader_glsl_end,
/* WINED3DSIH_ENDLOOP */ shader_glsl_end,
/* WINED3DSIH_ENDREP */ shader_glsl_end,
/* WINED3DSIH_EQ */ NULL,
/* WINED3DSIH_EQ */ shader_glsl_relop,
/* WINED3DSIH_EXP */ shader_glsl_map2gl,
/* WINED3DSIH_EXPP */ shader_glsl_expp,
/* WINED3DSIH_FRC */ shader_glsl_map2gl,