mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2025-01-09 16:20:10 +00:00
287 lines
8.7 KiB
C++
287 lines
8.7 KiB
C++
//
|
|
// Copyright 2013 Pixar
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License
|
|
// and the following modification to it: Section 6 Trademarks.
|
|
// deleted and replaced with:
|
|
//
|
|
// 6. Trademarks. This License does not grant permission to use the
|
|
// trade names, trademarks, service marks, or product names of the
|
|
// Licensor and its affiliates, except as required for reproducing
|
|
// the content of the NOTICE file.
|
|
//
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing,
|
|
// software distributed under the License is distributed on an
|
|
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
|
|
// either express or implied. See the License for the specific
|
|
// language governing permissions and limitations under the
|
|
// License.
|
|
//
|
|
|
|
#include "../far/mesh.h"
|
|
#include "../osd/debug.h"
|
|
#include "../osd/error.h"
|
|
#include "../osd/glslComputeContext.h"
|
|
#include "../osd/glslKernelBundle.h"
|
|
|
|
#include "../osd/opengl.h"
|
|
|
|
namespace OpenSubdiv {
|
|
namespace OPENSUBDIV_VERSION {
|
|
|
|
void
|
|
OsdGLSLComputeTable::createBuffer(size_t size, const void *ptr) {
|
|
|
|
GLint prev = 0;
|
|
glGenBuffers(1, &_devicePtr);
|
|
glGetIntegerv(GL_SHADER_STORAGE_BUFFER_BINDING, &prev);
|
|
glBindBuffer(GL_SHADER_STORAGE_BUFFER, _devicePtr);
|
|
glBufferData(GL_SHADER_STORAGE_BUFFER, size, ptr, GL_STATIC_DRAW);
|
|
/*
|
|
CHECK_GL_ERROR("UpdateTable tableIndex %d, size %ld, buffer =%d\n",
|
|
tableIndex, size, _tableBuffers[tableIndex]);
|
|
*/
|
|
glBindBuffer(GL_SHADER_STORAGE_BUFFER, prev);
|
|
}
|
|
|
|
OsdGLSLComputeTable::~OsdGLSLComputeTable() {
|
|
|
|
glDeleteBuffers(1, &_devicePtr);
|
|
}
|
|
|
|
GLuint
|
|
OsdGLSLComputeTable::GetBuffer() const {
|
|
|
|
return _devicePtr;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
OsdGLSLComputeHEditTable::OsdGLSLComputeHEditTable(
|
|
const FarVertexEditTables<OsdVertex>::VertexEditBatch &batch)
|
|
: _primvarIndicesTable(new OsdGLSLComputeTable(batch.GetVertexIndices())),
|
|
_editValuesTable(new OsdGLSLComputeTable(batch.GetValues())) {
|
|
|
|
_operation = batch.GetOperation();
|
|
_primvarOffset = batch.GetPrimvarIndex();
|
|
_primvarWidth = batch.GetPrimvarWidth();
|
|
}
|
|
|
|
OsdGLSLComputeHEditTable::~OsdGLSLComputeHEditTable() {
|
|
|
|
delete _primvarIndicesTable;
|
|
delete _editValuesTable;
|
|
}
|
|
|
|
const OsdGLSLComputeTable *
|
|
OsdGLSLComputeHEditTable::GetPrimvarIndices() const {
|
|
|
|
return _primvarIndicesTable;
|
|
}
|
|
|
|
const OsdGLSLComputeTable *
|
|
OsdGLSLComputeHEditTable::GetEditValues() const {
|
|
|
|
return _editValuesTable;
|
|
}
|
|
|
|
int
|
|
OsdGLSLComputeHEditTable::GetOperation() const {
|
|
|
|
return _operation;
|
|
}
|
|
|
|
int
|
|
OsdGLSLComputeHEditTable::GetPrimvarOffset() const {
|
|
|
|
return _primvarOffset;
|
|
}
|
|
|
|
int
|
|
OsdGLSLComputeHEditTable::GetPrimvarWidth() const {
|
|
|
|
return _primvarWidth;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
OsdGLSLComputeContext::OsdGLSLComputeContext(
|
|
FarMesh<OsdVertex> const *farMesh)
|
|
: _vertexTexture(0), _varyingTexture(0) {
|
|
|
|
FarSubdivisionTables<OsdVertex> const * farTables =
|
|
farMesh->GetSubdivisionTables();
|
|
|
|
// allocate 5 or 7 tables
|
|
// XXXtakahito: Although _tables size depends on table type, F_IT is set
|
|
// to NULL even in loop case, to determine the condition in
|
|
// bindShaderStorageBuffer()...
|
|
_tables.resize(7, 0);
|
|
|
|
_tables[FarSubdivisionTables<OsdVertex>::E_IT] = new OsdGLSLComputeTable(farTables->Get_E_IT());
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_IT] = new OsdGLSLComputeTable(farTables->Get_V_IT());
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_ITa] = new OsdGLSLComputeTable(farTables->Get_V_ITa());
|
|
_tables[FarSubdivisionTables<OsdVertex>::E_W] = new OsdGLSLComputeTable(farTables->Get_E_W());
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_W] = new OsdGLSLComputeTable(farTables->Get_V_W());
|
|
|
|
if (farTables->GetNumTables() > 5) {
|
|
// catmark, bilinear
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_IT] = new OsdGLSLComputeTable(farTables->Get_F_IT());
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_ITa] = new OsdGLSLComputeTable(farTables->Get_F_ITa());
|
|
} else {
|
|
// loop
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_IT] = NULL;
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_ITa] = NULL;
|
|
}
|
|
|
|
// create hedit tables
|
|
FarVertexEditTables<OsdVertex> const *editTables = farMesh->GetVertexEdit();
|
|
if (editTables) {
|
|
int numEditBatches = editTables->GetNumBatches();
|
|
_editTables.reserve(numEditBatches);
|
|
for (int i = 0; i < numEditBatches; ++i) {
|
|
const FarVertexEditTables<OsdVertex>::VertexEditBatch & edit =
|
|
editTables->GetBatch(i);
|
|
_editTables.push_back(new OsdGLSLComputeHEditTable(edit));
|
|
}
|
|
}
|
|
}
|
|
|
|
OsdGLSLComputeContext::~OsdGLSLComputeContext() {
|
|
|
|
for (size_t i = 0; i < _tables.size(); ++i) {
|
|
delete _tables[i];
|
|
}
|
|
for (size_t i = 0; i < _editTables.size(); ++i) {
|
|
delete _editTables[i];
|
|
}
|
|
}
|
|
|
|
const OsdGLSLComputeTable *
|
|
OsdGLSLComputeContext::GetTable(int tableIndex) const {
|
|
|
|
return _tables[tableIndex];
|
|
}
|
|
|
|
int
|
|
OsdGLSLComputeContext::GetNumEditTables() const {
|
|
|
|
return static_cast<int>(_editTables.size());
|
|
}
|
|
|
|
const OsdGLSLComputeHEditTable *
|
|
OsdGLSLComputeContext::GetEditTable(int tableIndex) const {
|
|
|
|
return _editTables[tableIndex];
|
|
}
|
|
|
|
GLuint
|
|
OsdGLSLComputeContext::GetCurrentVertexBuffer() const {
|
|
|
|
return _currentVertexBuffer;
|
|
}
|
|
|
|
GLuint
|
|
OsdGLSLComputeContext::GetCurrentVaryingBuffer() const {
|
|
|
|
return _currentVaryingBuffer;
|
|
}
|
|
|
|
OsdGLSLComputeKernelBundle *
|
|
OsdGLSLComputeContext::GetKernelBundle() const {
|
|
|
|
return _kernelBundle;
|
|
}
|
|
|
|
void
|
|
OsdGLSLComputeContext::SetKernelBundle(
|
|
OsdGLSLComputeKernelBundle *kernelBundle) {
|
|
|
|
_kernelBundle = kernelBundle;
|
|
}
|
|
|
|
OsdGLSLComputeContext *
|
|
OsdGLSLComputeContext::Create(FarMesh<OsdVertex> const *farmesh) {
|
|
|
|
return new OsdGLSLComputeContext(farmesh);
|
|
}
|
|
|
|
void
|
|
OsdGLSLComputeContext::BindEditShaderStorageBuffers(int editIndex) {
|
|
|
|
const OsdGLSLComputeHEditTable * edit = _editTables[editIndex];
|
|
const OsdGLSLComputeTable * primvarIndices = edit->GetPrimvarIndices();
|
|
const OsdGLSLComputeTable * editValues = edit->GetEditValues();
|
|
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 9,
|
|
primvarIndices->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 10,
|
|
editValues->GetBuffer());
|
|
}
|
|
|
|
void
|
|
OsdGLSLComputeContext::UnbindEditShaderStorageBuffers() {
|
|
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 9, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 10, 0);
|
|
}
|
|
|
|
void
|
|
OsdGLSLComputeContext::bindShaderStorageBuffers() {
|
|
|
|
_kernelBundle->UseProgram();
|
|
|
|
if (_currentVertexBuffer)
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, _currentVertexBuffer);
|
|
|
|
if (_currentVaryingBuffer)
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, _currentVaryingBuffer);
|
|
|
|
// XXX: should be better handling for loop subdivision.
|
|
if (_tables[FarSubdivisionTables<OsdVertex>::F_IT]) {
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2,
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_IT]->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3,
|
|
_tables[FarSubdivisionTables<OsdVertex>::F_ITa]->GetBuffer());
|
|
}
|
|
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4,
|
|
_tables[FarSubdivisionTables<OsdVertex>::E_IT]->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 5,
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_IT]->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 6,
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_ITa]->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 7,
|
|
_tables[FarSubdivisionTables<OsdVertex>::E_W]->GetBuffer());
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 8,
|
|
_tables[FarSubdivisionTables<OsdVertex>::V_W]->GetBuffer());
|
|
}
|
|
|
|
void
|
|
OsdGLSLComputeContext::unbindShaderStorageBuffers() {
|
|
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 1, 0);
|
|
if (_tables[FarSubdivisionTables<OsdVertex>::F_IT]) {
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 3, 0);
|
|
}
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 5, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 6, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 7, 0);
|
|
glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 8, 0);
|
|
|
|
glUseProgram(0);
|
|
|
|
OSD_DEBUG_CHECK_GL_ERROR("UnbindTextures");
|
|
}
|
|
|
|
} // end namespace OPENSUBDIV_VERSION
|
|
} // end namespace OpenSubdiv
|