vkd3d-shader: Implement shader model 1.0-1.3 texture projection.

Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1814

tests/hlsl/ps1-projection.shader_test

@@ -0,0 +1,62 @@
+% Test for the D3DTTFF_* projected texture flags.
+
+[require]
+shader model < 3.0
+
+[sampler 0]
+filter point point point
+address clamp clamp clamp
+
+[srv 0]
+size (2d, 5, 5)
+.0 .0 .0 .1     .1 .0 .0 .1     .2 .0 .0 .1     .3 .0 .0 .1     .4 .0 .0 .1
+.0 .1 .0 .1     .1 .1 .0 .1     .2 .1 .0 .1     .3 .1 .0 .1     .4 .1 .0 .1
+.0 .2 .0 .1     .1 .2 .0 .1     .2 .2 .0 .1     .3 .2 .0 .1     .4 .2 .0 .1
+.0 .3 .0 .1     .1 .3 .0 .1     .2 .3 .0 .1     .3 .3 .0 .1     .4 .3 .0 .1
+.0 .4 .0 .1     .1 .4 .0 .1     .2 .4 .0 .1     .3 .4 .0 .1     .4 .4 .0 .1
+
+[vertex shader]
+void main(inout float4 pos : position, out float4 tex : texcoord)
+{
+    tex = float4(1.2, 0.5, 4.0, 2.0);
+}
+
+[pixel shader d3dbc-hex]
+% TODO: Convert to assembly or HLSL.
+ffff0101                                                % ps_1_1
+00000042 b00f0000                                       % tex t0
+00000001 800f0000 b0e40000                              % mov r0, t0
+0000ffff                                                % end
+
+[test]
+projected 0 disable
+draw quad
+probe (0, 0) f32(0.4, 0.2, 0.0, 0.1)
+projected 0 enable
+draw quad
+probe (0, 0) f32(0.3, 0.1, 0.0, 0.1)
+
+% Doesn't affect 1.4 or 2.0.
+[pixel shader d3dbc-hex]
+% TODO: Convert to assembly or HLSL.
+ffff0104                                                % ps_1_4
+00000042 800f0000 b0e40000                              % texld r0, t0
+0000ffff                                                % end
+
+[test]
+projected 0 enable
+draw quad
+probe (0, 0) f32(0.4, 0.2, 0.0, 0.1)
+
+[pixel shader]
+sampler sam;
+
+float4 main(float2 tex : texcoord) : sv_target
+{
+    return tex2D(sam, tex);
+}
+
+[test]
+projected 0 enable
+draw quad
+probe (0, 0) f32(0.4, 0.2, 0.0, 0.1)