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authorAxel Davy <[email protected]>2016-10-01 11:47:52 +0200
committerAxel Davy <[email protected]>2016-10-10 23:43:50 +0200
commit5ce23c1689563a6b6a8ad09ac065cb71db9f4641 (patch)
tree46dba48a0ad2ed2d4a03f56eb7ada522b5f98841 /src/gallium/state_trackers
parentd2fd2966483dda23911dc89fdf9dbff02a87df6a (diff)
st/nine: Handle user clipping planes properly for ff
Found reading msdn and checking Wine. Signed-off-by: Axel Davy <[email protected]>
Diffstat (limited to 'src/gallium/state_trackers')
-rw-r--r--src/gallium/state_trackers/nine/nine_ff.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/src/gallium/state_trackers/nine/nine_ff.c b/src/gallium/state_trackers/nine/nine_ff.c
index 4bb7836350f..32440bb4a85 100644
--- a/src/gallium/state_trackers/nine/nine_ff.c
+++ b/src/gallium/state_trackers/nine/nine_ff.c
@@ -58,7 +58,8 @@ struct nine_ff_vs_key
uint32_t has_normal : 1;
uint32_t fog : 1;
uint32_t normalizenormals : 1;
- uint32_t pad1 : 5;
+ uint32_t ucp : 1;
+ uint32_t pad1 : 4;
uint32_t tc_dim_input: 16; /* 8 * 2 bits */
uint32_t pad2 : 16;
uint32_t tc_dim_output: 24; /* 8 * 3 bits */
@@ -202,7 +203,7 @@ static void nine_ureg_tgsi_dump(struct ureg_program *ureg, boolean override)
* CONST[ 0.. 3] D3DTS_WORLD * D3DTS_VIEW * D3DTS_PROJECTION
* CONST[ 4.. 7] D3DTS_WORLD * D3DTS_VIEW
* CONST[ 8..11] D3DTS_PROJECTION
- * CONST[12..15] D3DTS_VIEW
+ * CONST[12..15] D3DTS_VIEW^(-1)
* CONST[16..18] Normal matrix
*
* CONST[19] MATERIAL.Emissive + Material.Ambient * RS.Ambient
@@ -338,7 +339,7 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
unsigned label[32], l = 0;
boolean need_aNrm = key->lighting || key->passthrough & (1 << NINE_DECLUSAGE_NORMAL);
boolean has_aNrm = need_aNrm && key->has_normal;
- boolean need_aVtx = key->lighting || key->fog_mode || key->pointscale;
+ boolean need_aVtx = key->lighting || key->fog_mode || key->pointscale || key->ucp;
const unsigned texcoord_sn = get_texcoord_sn(device->screen);
vs->ureg = ureg;
@@ -1047,6 +1048,17 @@ nine_ff_build_vs(struct NineDevice9 *device, struct vs_build_ctx *vs)
(void) 0; /* TODO: replace z of position output ? */
}
+ /* ucp for ff applies on world coordinates.
+ * aVtx is in worldview coordinates. */
+ if (key->ucp) {
+ struct ureg_dst clipVect = ureg_DECL_output(ureg, TGSI_SEMANTIC_CLIPVERTEX, 0);
+ struct ureg_dst tmp = ureg_DECL_temporary(ureg);
+ ureg_MUL(ureg, tmp, _XXXX(vs->aVtx), _CONST(12));
+ ureg_MAD(ureg, tmp, _YYYY(vs->aVtx), _CONST(13), ureg_src(tmp));
+ ureg_MAD(ureg, tmp, _ZZZZ(vs->aVtx), _CONST(14), ureg_src(tmp));
+ ureg_ADD(ureg, clipVect, _CONST(15), ureg_src(tmp));
+ ureg_release_temporary(ureg, tmp);
+ }
if (key->position_t && device->driver_caps.window_space_position_support)
ureg_property(ureg, TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION, TRUE);
@@ -1645,6 +1657,7 @@ nine_ff_get_vs(struct NineDevice9 *device)
key.localviewer = !!state->rs[D3DRS_LOCALVIEWER];
key.normalizenormals = !!state->rs[D3DRS_NORMALIZENORMALS];
+ key.ucp = !!state->rs[D3DRS_CLIPPLANEENABLE];
if (state->rs[D3DRS_VERTEXBLEND] != D3DVBF_DISABLE) {
key.vertexblend_indexed = !!state->rs[D3DRS_INDEXEDVERTEXBLENDENABLE] && has_indexes;
@@ -1840,7 +1853,7 @@ nine_ff_load_vs_transforms(struct NineDevice9 *device)
M[2] = *GET_D3DTS(PROJECTION);
/* V and W matrix */
- M[3] = *GET_D3DTS(VIEW);
+ nine_d3d_matrix_inverse(&M[3], GET_D3DTS(VIEW));
M[40] = M[1];
}