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Diffstat (limited to 'src/gallium/state_trackers/nine/stateblock9.c')
-rw-r--r--src/gallium/state_trackers/nine/stateblock9.c44
1 files changed, 34 insertions, 10 deletions
diff --git a/src/gallium/state_trackers/nine/stateblock9.c b/src/gallium/state_trackers/nine/stateblock9.c
index 0d1a04b657a..cc368b7f725 100644
--- a/src/gallium/state_trackers/nine/stateblock9.c
+++ b/src/gallium/state_trackers/nine/stateblock9.c
@@ -86,7 +86,7 @@ NineStateBlock9_dtor( struct NineStateBlock9 *This )
*/
static void
nine_state_copy_common(struct nine_state *dst,
- const struct nine_state *src,
+ struct nine_state *src,
struct nine_state *mask, /* aliases either src or dst */
const boolean apply,
struct nine_range_pool *pool)
@@ -267,17 +267,41 @@ nine_state_copy_common(struct nine_state *dst,
}
}
if (mask->changed.group & NINE_STATE_FF_LIGHTING) {
- if (dst->ff.num_lights < mask->ff.num_lights) {
+ unsigned num_lights = MAX2(dst->ff.num_lights, src->ff.num_lights);
+ /* Can happen in Capture() if device state has created new lights after
+ * the stateblock was created.
+ * Can happen in Apply() if the stateblock had recorded the creation of
+ * new lights. */
+ if (dst->ff.num_lights < num_lights) {
dst->ff.light = REALLOC(dst->ff.light,
dst->ff.num_lights * sizeof(D3DLIGHT9),
- mask->ff.num_lights * sizeof(D3DLIGHT9));
- for (i = dst->ff.num_lights; i < mask->ff.num_lights; ++i) {
- memset(&dst->ff.light[i], 0, sizeof(D3DLIGHT9));
- dst->ff.light[i].Type = (D3DLIGHTTYPE)NINED3DLIGHT_INVALID;
+ num_lights * sizeof(D3DLIGHT9));
+ memset(&dst->ff.light[dst->ff.num_lights], 0, (num_lights - dst->ff.num_lights) * sizeof(D3DLIGHT9));
+ /* if mask == dst, a Type of 0 will trigger
+ * "dst->ff.light[i] = src->ff.light[i];" later,
+ * which is what we want in that case. */
+ if (mask != dst) {
+ for (i = src->ff.num_lights; i < num_lights; ++i)
+ src->ff.light[i].Type = (D3DLIGHTTYPE)NINED3DLIGHT_INVALID;
}
- dst->ff.num_lights = mask->ff.num_lights;
+ dst->ff.num_lights = num_lights;
}
- for (i = 0; i < mask->ff.num_lights; ++i)
+ /* Can happen in Capture() if the stateblock had recorded the creation of
+ * new lights.
+ * Can happen in Apply() if device state has created new lights after
+ * the stateblock was created. */
+ if (src->ff.num_lights < num_lights) {
+ src->ff.light = REALLOC(src->ff.light,
+ src->ff.num_lights * sizeof(D3DLIGHT9),
+ num_lights * sizeof(D3DLIGHT9));
+ memset(&src->ff.light[src->ff.num_lights], 0, (num_lights - src->ff.num_lights) * sizeof(D3DLIGHT9));
+ for (i = src->ff.num_lights; i < num_lights; ++i)
+ src->ff.light[i].Type = (D3DLIGHTTYPE)NINED3DLIGHT_INVALID;
+ src->ff.num_lights = num_lights;
+ }
+ /* Note: mask is either src or dst, so at this point src, dst and mask
+ * have num_lights lights. */
+ for (i = 0; i < num_lights; ++i)
if (mask->ff.light[i].Type != NINED3DLIGHT_INVALID)
dst->ff.light[i] = src->ff.light[i];
@@ -446,7 +470,7 @@ nine_state_copy_common_all(struct nine_state *dst,
/* Capture those bits of current device state that have been changed between
* BeginStateBlock and EndStateBlock.
*/
-HRESULT WINAPI
+HRESULT NINE_WINAPI
NineStateBlock9_Capture( struct NineStateBlock9 *This )
{
struct nine_state *dst = &This->state;
@@ -476,7 +500,7 @@ NineStateBlock9_Capture( struct NineStateBlock9 *This )
}
/* Set state managed by this StateBlock as current device state. */
-HRESULT WINAPI
+HRESULT NINE_WINAPI
NineStateBlock9_Apply( struct NineStateBlock9 *This )
{
struct nine_state *dst = &This->base.device->state;