H. Verbeet : wined3d: Rewrite shader_glsl_sincos()
to properly take the write mask into account.
Alexandre Julliard
julliard at wine.codeweavers.com
Tue Jan 16 10:07:31 CST 2007
Module: wine
Branch: master
Commit: 4452120007446a84270b63650fec8fdd678e58c4
URL: http://source.winehq.org/git/wine.git/?a=commit;h=4452120007446a84270b63650fec8fdd678e58c4
Author: H. Verbeet <hverbeet at gmail.com>
Date: Mon Jan 15 19:31:25 2007 +0100
wined3d: Rewrite shader_glsl_sincos() to properly take the write mask into account.
The write mask can only be one of .x, .y, .xy
---
dlls/wined3d/glsl_shader.c | 35 ++++++++++++++++++++++++-----------
1 files changed, 24 insertions(+), 11 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 8ff8942..0afdb6c 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -821,7 +821,6 @@ static DWORD shader_glsl_add_dst_param(S
return mask;
}
-#if 0
/* Append the destination part of the instruction to the buffer, return the effective write mask */
static DWORD shader_glsl_append_dst(SHADER_BUFFER *buffer, SHADER_OPCODE_ARG *arg) {
char reg_name[50], write_mask[6], reg_str[100];
@@ -834,7 +833,6 @@ static DWORD shader_glsl_append_dst(SHAD
return mask;
}
-#endif
/** Process GLSL instruction modifiers */
void shader_glsl_add_instruction_modifiers(SHADER_OPCODE_ARG* arg) {
@@ -1306,16 +1304,31 @@ void shader_glsl_dst(SHADER_OPCODE_ARG*
* dst.w = dst.w
*/
void shader_glsl_sincos(SHADER_OPCODE_ARG* arg) {
-
- char dst_str[100], src0_str[100];
- char dst_reg[50], src0_reg[50];
- char dst_mask[6], src0_mask[6];
-
- shader_glsl_add_dst_param(arg, arg->dst, 0, dst_reg, dst_mask, dst_str);
- shader_glsl_add_src_param_old(arg, arg->src[0], arg->src_addr[0], src0_reg, src0_mask, src0_str);
+ char src0_str[100];
+ char src0_reg[50];
+ char src0_mask[6];
+ DWORD write_mask;
- shader_addline(arg->buffer, "%s = vec4(cos(%s), sin(%s), %s.z, %s.w)%s;\n",
- dst_str, src0_str, src0_str, dst_reg, dst_reg, dst_mask);
+ write_mask = shader_glsl_append_dst(arg->buffer, arg);
+ shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, src0_reg, src0_mask, src0_str);
+
+ switch (write_mask) {
+ case WINED3DSP_WRITEMASK_0:
+ shader_addline(arg->buffer, "cos(%s));\n", src0_str);
+ break;
+
+ case WINED3DSP_WRITEMASK_1:
+ shader_addline(arg->buffer, "sin(%s));\n", src0_str);
+ break;
+
+ case (WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1):
+ shader_addline(arg->buffer, "vec2(cos(%s), sin(%s)));\n", src0_str, src0_str);
+ break;
+
+ default:
+ ERR("Write mask should be .x, .y or .xy\n");
+ break;
+ }
}
/** Process the WINED3DSIO_LOOP instruction in GLSL:
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