diff options
author | Nat Goodspeed <nat@lindenlab.com> | 2024-06-11 10:21:19 -0400 |
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committer | Nat Goodspeed <nat@lindenlab.com> | 2024-06-11 10:21:19 -0400 |
commit | 30f4163b7b576d96533b61d9b31243960fb83f2e (patch) | |
tree | bd5dc1450e08c674a4619d7f16a9a4816005f9c4 /indra/newview/llspatialpartition.cpp | |
parent | 3d1aac4f5c369e9d402c41f1c790d9015f7c7773 (diff) | |
parent | f5e2708a0fc4e08d3d0a5dc393bbd4bac09e1c55 (diff) |
Merge branch 'main' of github.com:secondlife/viewer into lua-bradfix
to pick up Featurettes promotion + Brad's GitHub Windows build workaround.
Diffstat (limited to 'indra/newview/llspatialpartition.cpp')
-rw-r--r-- | indra/newview/llspatialpartition.cpp | 183 |
1 files changed, 128 insertions, 55 deletions
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp index 197b5daeed..60f88c9cea 100644 --- a/indra/newview/llspatialpartition.cpp +++ b/indra/newview/llspatialpartition.cpp @@ -47,6 +47,7 @@ #include "pipeline.h" #include "llmeshrepository.h" #include "llrender.h" +#include "lldrawpool.h" #include "lloctree.h" #include "llphysicsshapebuilderutil.h" #include "llvoavatar.h" @@ -1998,7 +1999,11 @@ void renderBoundingBox(LLDrawable* drawable, BOOL set_color = TRUE) drawBoxOutline(pos,size); } } - +// *TODO: LLDrawables which are not part of LLVOVolumes fall into a different +// code path which uses a shader - it was tested to be faster than mapping a +// vertex buffer in the terrain case. Consider using it for LLVOVolumes as well +// to simplify and speed up this debug code. Alternatively, a compute shader is +// likely faster. -Cosmic,2023-09-28 void renderNormals(LLDrawable *drawablep) { if (!drawablep->isVisible()) @@ -2006,11 +2011,13 @@ void renderNormals(LLDrawable *drawablep) LLVertexBuffer::unbind(); + LLViewerObject* obj = drawablep->getVObj(); LLVOVolume *vol = drawablep->getVOVolume(); - if (vol) + if (obj) { - LLVolume *volume = vol->getVolume(); + LLGLEnable blend(GL_BLEND); + LLGLDepthTest gl_depth(GL_TRUE, GL_FALSE); // Drawable's normals & tangents are stored in model space, i.e. before any scaling is applied. // @@ -2019,66 +2026,134 @@ void renderNormals(LLDrawable *drawablep) // transform. We get that effect here by pre-applying the inverse scale (twice, because // one forward scale will be re-applied via the MVP in the vertex shader) - LLVector3 scale_v3 = vol->getScale(); - float scale_len = scale_v3.length(); - LLVector4a obj_scale(scale_v3.mV[VX], scale_v3.mV[VY], scale_v3.mV[VZ]); - obj_scale.normalize3(); + LLVector4a inv_scale; + float scale_len; + if (vol) + { + LLVector3 scale_v3 = vol->getScale(); + LLVector4a obj_scale(scale_v3.mV[VX], scale_v3.mV[VY], scale_v3.mV[VZ]); + obj_scale.normalize3(); - // Normals &tangent line segments get scaled along with the object. Divide by scale length - // to keep the as-viewed lengths (relatively) constant with the debug setting length - float draw_length = gSavedSettings.getF32("RenderDebugNormalScale") / scale_len; + // Create inverse-scale vector for normals + inv_scale.set(1.0 / scale_v3.mV[VX], 1.0 / scale_v3.mV[VY], 1.0 / scale_v3.mV[VZ], 0.0); + inv_scale.mul(inv_scale); // Squared, to apply inverse scale twice - // Create inverse-scale vector for normals - LLVector4a inv_scale(1.0 / scale_v3.mV[VX], 1.0 / scale_v3.mV[VY], 1.0 / scale_v3.mV[VZ]); - inv_scale.mul(inv_scale); // Squared, to apply inverse scale twice - inv_scale.normalize3fast(); + inv_scale.normalize3fast(); + scale_len = scale_v3.length(); + } + else + { + inv_scale.set(1.0, 1.0, 1.0, 0.0); + scale_len = 1.0; + } gGL.pushMatrix(); - gGL.multMatrix((F32 *) vol->getRelativeXform().mMatrix); + if (vol) + { + gGL.multMatrix((F32 *) vol->getRelativeXform().mMatrix); + } gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); - for (S32 i = 0; i < volume->getNumVolumeFaces(); ++i) + // Normals &tangent line segments get scaled along with the object. Divide by scale length + // to keep the as-viewed lengths (relatively) constant with the debug setting length + float draw_length = gSavedSettings.getF32("RenderDebugNormalScale") / scale_len; + + std::vector<LLVolumeFace>* faces = nullptr; + std::vector<LLFace*>* drawable_faces = nullptr; + if (vol) + { + LLVolume* volume = vol->getVolume(); + faces = &volume->getVolumeFaces(); + } + else { - const LLVolumeFace &face = volume->getVolumeFace(i); + drawable_faces = &drawablep->getFaces(); + } - gGL.flush(); - gGL.diffuseColor4f(1, 1, 0, 1); - gGL.begin(LLRender::LINES); - for (S32 j = 0; j < face.mNumVertices; ++j) + if (faces) + { + for (auto it = faces->begin(); it != faces->end(); ++it) { - LLVector4a n, p; + const LLVolumeFace& face = *it; - n.setMul(face.mNormals[j], 1.0); - n.mul(inv_scale); // Pre-scale normal, so it's left with an inverse-transpose xform after MVP - n.normalize3fast(); - n.mul(draw_length); - p.setAdd(face.mPositions[j], n); - - gGL.vertex3fv(face.mPositions[j].getF32ptr()); - gGL.vertex3fv(p.getF32ptr()); - } - gGL.end(); - - // Tangents are simple vectors and do not require reorientation via pre-scaling - if (face.mTangents) - { gGL.flush(); - gGL.diffuseColor4f(0, 1, 1, 1); + gGL.diffuseColor4f(1, 1, 0, 1); gGL.begin(LLRender::LINES); for (S32 j = 0; j < face.mNumVertices; ++j) { - LLVector4a t, p; + LLVector4a n, p; - t.setMul(face.mTangents[j], 1.0f); - t.normalize3fast(); - t.mul(draw_length); - p.setAdd(face.mPositions[j], t); + n.setMul(face.mNormals[j], 1.0); + n.mul(inv_scale); // Pre-scale normal, so it's left with an inverse-transpose xform after MVP + n.normalize3fast(); + n.mul(draw_length); + p.setAdd(face.mPositions[j], n); gGL.vertex3fv(face.mPositions[j].getF32ptr()); gGL.vertex3fv(p.getF32ptr()); } gGL.end(); + + // Tangents are simple vectors and do not require reorientation via pre-scaling + if (face.mTangents) + { + gGL.flush(); + gGL.diffuseColor4f(0, 1, 1, 1); + gGL.begin(LLRender::LINES); + for (S32 j = 0; j < face.mNumVertices; ++j) + { + LLVector4a t, p; + + t.setMul(face.mTangents[j], 1.0f); + t.normalize3fast(); + t.mul(draw_length); + p.setAdd(face.mPositions[j], t); + + gGL.vertex3fv(face.mPositions[j].getF32ptr()); + gGL.vertex3fv(p.getF32ptr()); + } + gGL.end(); + } + } + } + else if (drawable_faces) + { + // *HACK: Prepare to restore previous shader as other debug code depends on a simpler shader being present + llassert(LLGLSLShader::sCurBoundShaderPtr == &gDebugProgram); + LLGLSLShader* prev_shader = LLGLSLShader::sCurBoundShaderPtr; + for (auto it = drawable_faces->begin(); it != drawable_faces->end(); ++it) + { + LLFace* facep = *it; + LLFace& face = **it; + LLVertexBuffer* buf = face.getVertexBuffer(); + if (!buf) { continue; } + U32 mask_vn = LLVertexBuffer::TYPE_VERTEX | LLVertexBuffer::TYPE_NORMAL; + if ((buf->getTypeMask() & mask_vn) != mask_vn) { continue; } + + LLGLSLShader* shader; + if ((buf->getTypeMask() & LLVertexBuffer::TYPE_TANGENT) != LLVertexBuffer::TYPE_TANGENT) + { + shader = &gNormalDebugProgram[NORMAL_DEBUG_SHADER_DEFAULT]; + } + else + { + shader = &gNormalDebugProgram[NORMAL_DEBUG_SHADER_WITH_TANGENTS]; + } + shader->bind(); + + shader->uniform1f(LLShaderMgr::DEBUG_NORMAL_DRAW_LENGTH, draw_length); + + LLRenderPass::applyModelMatrix(&facep->getDrawable()->getRegion()->mRenderMatrix); + + buf->setBuffer(); + // *NOTE: The render type in the vertex shader is TRIANGLES, but gets converted to LINES in the geometry shader + // *NOTE: For terrain normal debug, this seems to also include vertices for water, which is technically not part of the terrain. Should fix that at some point. + buf->drawRange(LLRender::TRIANGLES, face.getGeomIndex(), face.getGeomIndex() + face.getGeomCount()-1, face.getIndicesCount(), face.getIndicesStart()); + } + if (prev_shader) + { + prev_shader->bind(); } } @@ -2799,10 +2874,8 @@ void renderLights(LLDrawable* drawablep) class LLRenderOctreeRaycast : public LLOctreeTriangleRayIntersect { public: - - LLRenderOctreeRaycast(const LLVector4a& start, const LLVector4a& dir, F32* closest_t) - : LLOctreeTriangleRayIntersect(start, dir, NULL, closest_t, NULL, NULL, NULL, NULL) + : LLOctreeTriangleRayIntersect(start, dir, nullptr, closest_t, NULL, NULL, NULL, NULL) { } @@ -2870,6 +2943,13 @@ public: } }; +void renderOctreeRaycast(const LLVector4a& start, const LLVector4a& end, const LLVolumeOctree* octree) +{ + F32 t = 1.f; + LLRenderOctreeRaycast render(start, end, &t); + render.traverse(octree); +} + void renderRaycast(LLDrawable* drawablep) { if (drawablep->getNumFaces()) @@ -2931,25 +3011,18 @@ void renderRaycast(LLDrawable* drawablep) { //render face positions - LLVertexBuffer::unbind(); - gGL.diffuseColor4f(0,1,1,0.5f); - glVertexPointer(3, GL_FLOAT, sizeof(LLVector4a), face.mPositions); - gGL.syncMatrices(); - glDrawElements(GL_TRIANGLES, face.mNumIndices, GL_UNSIGNED_SHORT, face.mIndices); + //gGL.diffuseColor4f(0,1,1,0.5f); + //LLVertexBuffer::drawElements(LLRender::TRIANGLES, face.mPositions, nullptr, face.mNumIndices, face.mIndices); } if (!volume->isUnique()) { - F32 t = 1.f; - if (!face.getOctree()) { ((LLVolumeFace*) &face)->createOctree(); } - LLRenderOctreeRaycast render(start, dir, &t); - - render.traverse(face.getOctree()); + renderOctreeRaycast(start, end, face.getOctree()); } gGL.popMatrix(); |