diff options
Diffstat (limited to 'indra/newview/pipeline.cpp')
| -rwxr-xr-x | indra/newview/pipeline.cpp | 63 |
1 files changed, 51 insertions, 12 deletions
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp index bf65fd123e..d18e1de60c 100755 --- a/indra/newview/pipeline.cpp +++ b/indra/newview/pipeline.cpp @@ -240,6 +240,16 @@ glh::matrix4f glh_get_current_projection() return glh_copy_matrix(gGLProjection);
}
+glh::matrix4f glh_get_last_modelview()
+{
+ return glh_copy_matrix(gGLLastModelView);
+}
+
+glh::matrix4f glh_get_last_projection()
+{
+ return glh_copy_matrix(gGLLastProjection);
+}
+
void glh_copy_matrix(const glh::matrix4f& src, GLdouble* dst)
{
for (U32 i = 0; i < 16; i++)
@@ -1910,7 +1920,7 @@ BOOL LLPipeline::getVisibleExtents(LLCamera& camera, LLVector3& min, LLVector3& static LLFastTimer::DeclareTimer FTM_CULL("Object Culling");
-void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_clip)
+void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_clip, LLPlane* planep)
{
LLFastTimer t(FTM_CULL);
LLMemType mt_uc(LLMemType::MTYPE_PIPELINE_UPDATE_CULL);
@@ -1930,6 +1940,11 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl mScreen.bindTarget();
}
+ if (sUseOcclusion > 1)
+ {
+ gGL.setColorMask(false, false);
+ }
+
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadMatrixd(gGLLastProjection);
@@ -1944,10 +1959,37 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl LLGLDisable test(GL_ALPHA_TEST);
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- if (sUseOcclusion > 1)
+
+ //setup a clip plane in projection matrix for reflection renders (prevents flickering from occlusion culling)
+ LLViewerRegion* region = gAgent.getRegion();
+ LLPlane plane;
+
+ if (planep)
{
- gGL.setColorMask(false, false);
+ plane = *planep;
}
+ else
+ {
+ if (region)
+ {
+ LLVector3 pnorm;
+ F32 height = region->getWaterHeight();
+ if (water_clip < 0)
+ { //camera is above water, clip plane points up
+ pnorm.setVec(0,0,1);
+ plane.setVec(pnorm, -height);
+ }
+ else if (water_clip > 0)
+ { //camera is below water, clip plane points down
+ pnorm = LLVector3(0,0,-1);
+ plane.setVec(pnorm, height);
+ }
+ }
+ }
+
+ glh::matrix4f modelview = glh_get_last_modelview();
+ glh::matrix4f proj = glh_get_last_projection();
+ LLGLUserClipPlane clip(plane, modelview, proj, water_clip != 0 && LLPipeline::sReflectionRender);
LLGLDepthTest depth(GL_TRUE, GL_FALSE);
@@ -7887,18 +7929,13 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in) gPipeline.pushRenderTypeMask();
gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
LLPipeline::RENDER_TYPE_WL_SKY,
+ LLPipeline::RENDER_TYPE_CLOUDS,
LLPipeline::END_RENDER_TYPES);
static LLCullResult result;
updateCull(camera, result);
stateSort(camera, result);
- andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
- LLPipeline::RENDER_TYPE_CLOUDS,
- LLPipeline::RENDER_TYPE_WL_SKY,
- LLPipeline::END_RENDER_TYPES);
-
- //bad pop here
renderGeom(camera, TRUE);
gPipeline.popRenderTypeMask();
@@ -7931,7 +7968,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in) LLGLUserClipPlane clip_plane(plane, mat, projection);
LLGLDisable cull(GL_CULL_FACE);
- updateCull(camera, ref_result, 1);
+ updateCull(camera, ref_result, -water_clip, &plane);
stateSort(camera, ref_result);
}
@@ -7988,9 +8025,11 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in) {
//clip out geometry on the same side of water as the camera
mat = glh_get_current_modelview();
- LLGLUserClipPlane clip_plane(LLPlane(-pnorm, -(pd+pad)), mat, projection);
+ LLPlane plane(-pnorm, -(pd+pad));
+
+ LLGLUserClipPlane clip_plane(plane, mat, projection);
static LLCullResult result;
- updateCull(camera, result, water_clip);
+ updateCull(camera, result, water_clip, &plane);
stateSort(camera, result);
gGL.setColorMask(true, true);
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