wined3d: Fix projected bump mapping.

This commit is contained in:
Stefan Dösinger 2008-08-17 22:49:33 +02:00 committed by Alexandre Julliard
parent 6c6a6a2e61
commit 8fc2cfe432
1 changed files with 17 additions and 3 deletions

View File

@ -2756,9 +2756,23 @@ static GLuint gen_arbfp_ffp_shader(struct ffp_settings *settings, IWineD3DStateB
shader_addline(&buffer, "DP3 ret.r, arg1, tex%u;\n", stage - 1);
shader_addline(&buffer, "SWZ arg1, bumpmat%u, y, w, 0, 0;\n", stage - 1);
shader_addline(&buffer, "DP3 ret.g, arg1, tex%u;\n", stage - 1);
shader_addline(&buffer, "ADD ret, ret, fragment.texcoord[%u];\n", stage);
shader_addline(&buffer, "%s%s tex%u, ret, texture[%u], %s;\n",
instr, sat, stage, stage, textype);
/* with projective textures, texbem only divides the static texture coord, not the displacement,
* so we can't let the GL handle this.
*/
if (settings->op[stage].projected != proj_none) {
/* Note: Currently always divide by .a because the vertex pipeline moves the correct value
* into the 4th component
*/
shader_addline(&buffer, "RCP arg1.a, fragment.texcoord[%u].a;\n", stage);
shader_addline(&buffer, "MUL arg1.rg, fragment.texcoord[%u], arg1.a;\n", stage);
shader_addline(&buffer, "ADD ret, ret, arg1;\n");
} else {
shader_addline(&buffer, "ADD ret, ret, fragment.texcoord[%u];\n", stage);
}
shader_addline(&buffer, "TEX%s tex%u, ret, texture[%u], %s;\n",
sat, stage, stage, textype);
if(settings->op[stage - 1].cop == WINED3DTOP_BUMPENVMAPLUMINANCE) {
shader_addline(&buffer, "MAD ret.r, tex%u.b, luminance%u.r, luminance%u.g;\n",
stage - 1, stage - 1, stage - 1);