[23/49] wined3d: Rewrite shader_glsl_rcp() to properly take the
write mask into account
H. Verbeet
hverbeet at gmail.com
Mon Jan 15 12:33:06 CST 2007
Changelog:
- Rewrite shader_glsl_rcp() to properly take the write mask into account
-------------- next part --------------
---
dlls/wined3d/glsl_shader.c | 24 ++++++++++++++----------
1 files changed, 14 insertions(+), 10 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index e02483d..7739cd2 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -1128,17 +1128,21 @@ void shader_glsl_expp(SHADER_OPCODE_ARG* arg) {
/** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */
void shader_glsl_rcp(SHADER_OPCODE_ARG* arg) {
+ char src_str[100];
+ char src_reg[50];
+ char src_mask[6];
+ DWORD write_mask;
+ size_t mask_size;
- char tmpLine[256];
- char dst_str[100], src_str[100];
- char dst_reg[50], src_reg[50];
- char dst_mask[6], src_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], src_reg, src_mask, src_str);
- shader_glsl_add_dst_old(arg->dst, dst_reg, dst_mask, tmpLine);
- strcat(tmpLine, "1.0 / ");
- shader_addline(arg->buffer, "%s%s)%s;\n", tmpLine, src_str, dst_mask);
+ write_mask = shader_glsl_append_dst(arg->buffer, arg);
+ mask_size = shader_glsl_get_write_mask_size(write_mask);
+ shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, src_reg, src_mask, src_str);
+
+ if (mask_size > 1) {
+ shader_addline(arg->buffer, "vec%d(1.0 / %s));\n", mask_size, src_str);
+ } else {
+ shader_addline(arg->buffer, "1.0 / %s);\n", src_str);
+ }
}
/** Process signed comparison opcodes in GLSL. */
More information about the wine-patches
mailing list