wined3d: The D3DSI_COISSUE flag changes the behavior of cnd.

dlls/wined3d/arb_program_shader.c

@@ -572,6 +572,7 @@ void pshader_hw_bem(SHADER_OPCODE_ARG* arg) {
 
 void pshader_hw_cnd(SHADER_OPCODE_ARG* arg) {
 
+    IWineD3DBaseShaderImpl* shader = (IWineD3DBaseShaderImpl*) arg->shader;
     SHADER_BUFFER* buffer = arg->buffer;
     char dst_wmask[20];
     char dst_name[50];
@@ -589,8 +590,14 @@ void pshader_hw_cnd(SHADER_OPCODE_ARG* arg) {
     pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
     pshader_gen_input_modifier_line(buffer, arg->src[2], 2, src_name[2]);
 
-    shader_addline(buffer, "ADD TMP, -%s, coefdiv.x;\n", src_name[0]);
-    shader_addline(buffer, "CMP %s, TMP, %s, %s;\n", dst_name, src_name[1], src_name[2]);
+    /* The coissue flag changes the semantic of the cnd instruction in <= 1.3 shaders */
+    if (shader->baseShader.hex_version <= WINED3DPS_VERSION(1, 3) &&
+        arg->opcode_token & WINED3DSI_COISSUE) {
+        shader_addline(buffer, "MOV %s, %s;\n", dst_name, src_name[1]);
+    } else {
+        shader_addline(buffer, "ADD TMP, -%s, coefdiv.x;\n", src_name[0]);
+        shader_addline(buffer, "CMP %s, TMP, %s, %s;\n", dst_name, src_name[1], src_name[2]);
+    }
 }
 
 void pshader_hw_cmp(SHADER_OPCODE_ARG* arg) {

dlls/wined3d/baseshader.c

@@ -949,6 +949,10 @@ void shader_trace_init(
                         shader_dump_param(iface, *(pToken + 2), 0, 1);
                         TRACE(") ");
                     }
+                    if (opcode_token & WINED3DSI_COISSUE) {
+                        /* PixWin marks instructions with the coissue flag with a '+' */
+                        TRACE("+");
+                    }
 
                     TRACE("%s", curOpcode->name);
 

dlls/wined3d/glsl_shader.c

@@ -1303,8 +1303,14 @@ void shader_glsl_cnd(SHADER_OPCODE_ARG* arg) {
         shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param);
         shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param);
         shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param);
-        shader_addline(arg->buffer, "%s > 0.5 ? %s : %s);\n",
-                src0_param.param_str, src1_param.param_str, src2_param.param_str);
+
+        /* Fun: The D3DSI_COISSUE flag changes the semantic of the cnd instruction for < 1.4 shaders */
+        if(arg->opcode_token & WINED3DSI_COISSUE) {
+            shader_addline(arg->buffer, "%s /* COISSUE! */);\n", src1_param.param_str);
+        } else {
+            shader_addline(arg->buffer, "%s > 0.5 ? %s : %s);\n",
+                    src0_param.param_str, src1_param.param_str, src2_param.param_str);
+        }
         return;
     }
     /* Cycle through all source0 channels */