mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2024-11-10 06:10:07 +00:00
implements Osd::CpuEvaluator::EvalPatches function.
- it takes number and pointer for the input PatchCoords. - add derivative evaluations. - enhance glEvalLimit example to see the derivative evaluation works.
This commit is contained in:
Takahito Tejima
parent
2008e6ca05
commit
2e26f932e1
@ -60,6 +60,7 @@ GLFWmonitor* g_primary=0;
|
||||
#include "../common/stopwatch.h"
|
||||
#include "../common/simple_math.h"
|
||||
#include "../common/glHud.h"
|
||||
#include "../common/glUtils.h"
|
||||
|
||||
#include "init_shapes.h"
|
||||
#include "particles.h"
|
||||
@ -71,10 +72,6 @@ GLFWmonitor* g_primary=0;
|
||||
#include <sstream>
|
||||
#include <stdlib.h>
|
||||
|
||||
#ifdef OPENSUBDIV_HAS_OPENMP
|
||||
#include <omp.h>
|
||||
#endif
|
||||
|
||||
using namespace OpenSubdiv;
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
@ -91,9 +88,11 @@ std::vector<float> g_coarseEdgeSharpness;
|
||||
std::vector<float> g_coarseVertexSharpness;
|
||||
|
||||
enum DrawMode { kRANDOM=0,
|
||||
kUV=1,
|
||||
kVARYING=2,
|
||||
kFACEVARYING=3 };
|
||||
kUV,
|
||||
kVARYING,
|
||||
kNORMAL,
|
||||
kSHADE,
|
||||
kFACEVARYING };
|
||||
|
||||
int g_running = 1,
|
||||
g_width = 1024,
|
||||
@ -146,6 +145,18 @@ GLuint g_cageEdgeVAO = 0,
|
||||
|
||||
GLhud g_hud;
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
struct Program {
|
||||
GLuint program;
|
||||
GLuint uniformModelViewMatrix;
|
||||
GLuint uniformProjectionMatrix;
|
||||
GLuint uniformDrawMode;
|
||||
GLuint attrPosition;
|
||||
GLuint attrColor;
|
||||
GLuint attrTangentU;
|
||||
GLuint attrTangentV;
|
||||
} g_defaultProgram;
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
static void
|
||||
createRandomColors(int nverts, int stride, float * colors) {
|
||||
@ -193,26 +204,28 @@ createCoarseMesh(OpenSubdiv::Far::TopologyRefiner const & refiner) {
|
||||
//------------------------------------------------------------------------------
|
||||
Far::TopologyRefiner * g_topologyRefiner = 0;
|
||||
|
||||
Osd::CpuVertexBuffer * g_vertexData = 0,
|
||||
* g_varyingData = 0;
|
||||
|
||||
Far::StencilTables const * g_vertexStencils = NULL;
|
||||
Far::StencilTables const * g_varyingStencils = NULL;
|
||||
|
||||
Far::PatchTables const * g_patchTables = NULL;
|
||||
Far::PatchMap const * g_patchMap = NULL;
|
||||
Osd::PatchCoordArray g_patchCoords;
|
||||
std::vector<Osd::PatchCoord> g_patchCoords;
|
||||
|
||||
Osd::VertexBufferDescriptor g_idesc( /*offset*/ 0, /*legnth*/ 3, /*stride*/ 3 ),
|
||||
g_odesc( /*offset*/ 0, /*legnth*/ 3, /*stride*/ 6 ),
|
||||
g_vdesc( /*offset*/ 3, /*legnth*/ 3, /*stride*/ 6 ),
|
||||
g_fvidesc( /*offset*/ 0, /*legnth*/ 2, /*stride*/ 2 ),
|
||||
g_fvodesc( /*offset*/ 3, /*legnth*/ 2, /*stride*/ 6 );
|
||||
Osd::VertexBufferDescriptor g_idesc(/*offset*/ 0, /*legnth*/ 3, /*stride*/ 3),
|
||||
g_odesc(/*offset*/ 0, /*legnth*/ 3, /*stride*/ 6),
|
||||
g_vdesc(/*offset*/ 3, /*legnth*/ 3, /*stride*/ 6),
|
||||
g_duDesc(/*offset*/ 0, /*legnth*/ 3, /*stride*/ 6),
|
||||
g_dvDesc(/*offset*/ 3, /*legnth*/ 3, /*stride*/ 6),
|
||||
g_fvidesc(/*offset*/ 0, /*legnth*/ 2, /*stride*/ 2),
|
||||
g_fvodesc(/*offset*/ 3, /*legnth*/ 2, /*stride*/ 6);
|
||||
|
||||
// input vertex data (coarse + refined)
|
||||
Osd::CpuVertexBuffer * g_vertexData = 0;
|
||||
Osd::CpuVertexBuffer * g_varyingData = 0;
|
||||
|
||||
Osd::CpuGLVertexBuffer * g_Q=0,
|
||||
* g_dQs=0,
|
||||
* g_dQt=0;
|
||||
// output vertex data (limit locations)
|
||||
Osd::CpuGLVertexBuffer * g_outVertexData = NULL;
|
||||
Osd::CpuGLVertexBuffer * g_outDerivatives = NULL;
|
||||
|
||||
STParticles * g_particles=0;
|
||||
|
||||
@ -289,20 +302,44 @@ updateGeom() {
|
||||
}
|
||||
|
||||
// Evaluate the positions of the samples on the limit surface
|
||||
g_nsamplesFound = Osd::CpuEvaluator::EvalPatches(g_vertexData, g_idesc,
|
||||
g_Q, g_odesc,
|
||||
g_patchCoords,
|
||||
g_patchTables, NULL);
|
||||
|
||||
// varying
|
||||
if (g_drawMode == kVARYING) {
|
||||
Osd::CpuEvaluator::EvalPatches(g_varyingData, g_idesc,
|
||||
g_Q, g_vdesc,
|
||||
g_patchCoords,
|
||||
g_patchTables, NULL);
|
||||
if (g_drawMode == kNORMAL || g_drawMode == kSHADE) {
|
||||
// evaluate positions and derivatives
|
||||
g_nsamplesFound = Osd::CpuEvaluator::EvalPatches(
|
||||
g_vertexData, g_idesc,
|
||||
g_outVertexData, g_odesc,
|
||||
g_outDerivatives, g_duDesc,
|
||||
g_outDerivatives, g_dvDesc,
|
||||
(int)g_patchCoords.size(),
|
||||
&g_patchCoords[0],
|
||||
g_patchTables, NULL);
|
||||
} else {
|
||||
// evaluate positions
|
||||
g_nsamplesFound = Osd::CpuEvaluator::EvalPatches(
|
||||
g_vertexData, g_idesc,
|
||||
g_outVertexData, g_odesc,
|
||||
(int)g_patchCoords.size(),
|
||||
&g_patchCoords[0],
|
||||
g_patchTables, NULL);
|
||||
}
|
||||
|
||||
g_Q->BindVBO();
|
||||
// color
|
||||
if (g_drawMode == kUV) {
|
||||
// store patchCoords as colors
|
||||
float *p = g_outVertexData->BindCpuBuffer() + g_vdesc.offset;
|
||||
for (int i = 0; i < (int)g_patchCoords.size(); ++i) {
|
||||
p[0] = g_patchCoords[i].s;
|
||||
p[1] = g_patchCoords[i].t;
|
||||
p[2] = 0;
|
||||
p += g_vdesc.stride;
|
||||
}
|
||||
} else if (g_drawMode == kVARYING) {
|
||||
// XXX: is this really varying?
|
||||
Osd::CpuEvaluator::EvalPatches(g_varyingData, g_idesc,
|
||||
g_outVertexData, g_vdesc,
|
||||
(int)g_patchCoords.size(),
|
||||
&g_patchCoords[0],
|
||||
g_patchTables, NULL);
|
||||
}
|
||||
|
||||
s.Stop();
|
||||
|
||||
@ -422,45 +459,22 @@ createOsdMesh(ShapeDesc const & shapeDesc, int level) {
|
||||
}
|
||||
|
||||
// Create output buffers for the limit samples (position & tangents)
|
||||
delete g_Q;
|
||||
g_Q = Osd::CpuGLVertexBuffer::Create(6, g_nparticles);
|
||||
memset( g_Q->BindCpuBuffer(), 0, g_nparticles*6*sizeof(float));
|
||||
delete g_outVertexData;
|
||||
g_outVertexData = Osd::CpuGLVertexBuffer::Create(6, g_nparticles);
|
||||
memset(g_outVertexData->BindCpuBuffer(), 0, g_nparticles*6*sizeof(float));
|
||||
if (g_drawMode==kRANDOM) {
|
||||
createRandomColors(g_nparticles, 6, g_Q->BindCpuBuffer()+3);
|
||||
createRandomColors(g_nparticles, 6, g_outVertexData->BindCpuBuffer()+3);
|
||||
}
|
||||
|
||||
delete g_dQs;
|
||||
g_dQs = Osd::CpuGLVertexBuffer::Create(3,g_nparticles);
|
||||
memset( g_dQs->BindCpuBuffer(), 0, g_nparticles*3*sizeof(float));
|
||||
|
||||
delete g_dQt;
|
||||
g_dQt = Osd::CpuGLVertexBuffer::Create(3,g_nparticles);
|
||||
memset( g_dQt->BindCpuBuffer(), 0, g_nparticles*3*sizeof(float));
|
||||
delete g_outDerivatives;
|
||||
g_outDerivatives = Osd::CpuGLVertexBuffer::Create(6, g_nparticles);
|
||||
memset(g_outDerivatives->BindCpuBuffer(), 0, g_nparticles*6*sizeof(float));
|
||||
}
|
||||
|
||||
updateGeom();
|
||||
|
||||
// Bind g_Q as a GL_POINTS VBO
|
||||
glBindVertexArray(g_samplesVAO);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, g_Q->BindVBO());
|
||||
|
||||
glEnableVertexAttribArray(0);
|
||||
glEnableVertexAttribArray(1);
|
||||
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, 0);
|
||||
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, (float*)12);
|
||||
|
||||
glBindVertexArray(0);
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
struct Program {
|
||||
GLuint program;
|
||||
GLuint uniformModelViewProjectionMatrix;
|
||||
GLuint attrPosition;
|
||||
GLuint attrColor;
|
||||
} g_defaultProgram;
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
static void
|
||||
checkGLErrors(std::string const & where = "") {
|
||||
@ -473,16 +487,6 @@ checkGLErrors(std::string const & where = "") {
|
||||
}
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
static GLuint
|
||||
compileShader(GLenum shaderType, const char *source) {
|
||||
GLuint shader = glCreateShader(shaderType);
|
||||
glShaderSource(shader, 1, &source, NULL);
|
||||
glCompileShader(shader);
|
||||
checkGLErrors("compileShader");
|
||||
return shader;
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------
|
||||
static bool
|
||||
linkDefaultProgram() {
|
||||
@ -497,31 +501,47 @@ linkDefaultProgram() {
|
||||
GLSL_VERSION_DEFINE
|
||||
"in vec3 position;\n"
|
||||
"in vec3 color;\n"
|
||||
"in vec3 tangentU;\n"
|
||||
"in vec3 tangentV;\n"
|
||||
"out vec4 fragColor;\n"
|
||||
"uniform mat4 ModelViewProjectionMatrix;\n"
|
||||
"out vec3 normal;\n"
|
||||
"uniform mat4 ModelViewMatrix;\n"
|
||||
"uniform mat4 ProjectionMatrix;\n"
|
||||
"void main() {\n"
|
||||
" fragColor = vec4(color, 1);\n"
|
||||
" gl_Position = ModelViewProjectionMatrix * "
|
||||
// XXX: fix the normal transform
|
||||
" normal = (ModelViewMatrix * vec4(normalize(cross(tangentU, tangentV)), 0)).xyz;\n"
|
||||
" gl_Position = ProjectionMatrix * ModelViewMatrix * "
|
||||
" vec4(position, 1);\n"
|
||||
"}\n";
|
||||
|
||||
static const char *fsSrc =
|
||||
GLSL_VERSION_DEFINE
|
||||
"in vec4 fragColor;\n"
|
||||
"in vec3 normal;\n"
|
||||
"uniform int DrawMode;\n"
|
||||
"out vec4 color;\n"
|
||||
"void main() {\n"
|
||||
" color = fragColor;\n"
|
||||
" if (DrawMode == 3) {\n"
|
||||
" color = vec4(normal*0.5+vec3(0.5), 1);\n"
|
||||
" } else if (DrawMode == 4) {\n"
|
||||
" color = vec4(vec3(1)*dot(normal, vec3(0,0,1)), 1);\n"
|
||||
" } else {\n"
|
||||
" color = fragColor;\n"
|
||||
" }\n"
|
||||
"}\n";
|
||||
|
||||
GLuint program = glCreateProgram();
|
||||
GLuint vertexShader = compileShader(GL_VERTEX_SHADER, vsSrc);
|
||||
GLuint fragmentShader = compileShader(GL_FRAGMENT_SHADER, fsSrc);
|
||||
GLuint vertexShader = GLUtils::CompileShader(GL_VERTEX_SHADER, vsSrc);
|
||||
GLuint fragmentShader = GLUtils::CompileShader(GL_FRAGMENT_SHADER, fsSrc);
|
||||
|
||||
glAttachShader(program, vertexShader);
|
||||
glAttachShader(program, fragmentShader);
|
||||
|
||||
glBindAttribLocation(program, 0, "position");
|
||||
glBindAttribLocation(program, 1, "color");
|
||||
glBindAttribLocation(program, 2, "tangentU");
|
||||
glBindAttribLocation(program, 3, "tangentV");
|
||||
glBindFragDataLocation(program, 0, "color");
|
||||
|
||||
glLinkProgram(program);
|
||||
@ -539,10 +559,16 @@ linkDefaultProgram() {
|
||||
}
|
||||
|
||||
g_defaultProgram.program = program;
|
||||
g_defaultProgram.uniformModelViewProjectionMatrix =
|
||||
glGetUniformLocation(program, "ModelViewProjectionMatrix");
|
||||
g_defaultProgram.uniformModelViewMatrix =
|
||||
glGetUniformLocation(program, "ModelViewMatrix");
|
||||
g_defaultProgram.uniformProjectionMatrix =
|
||||
glGetUniformLocation(program, "ProjectionMatrix");
|
||||
g_defaultProgram.uniformDrawMode =
|
||||
glGetUniformLocation(program, "DrawMode");
|
||||
g_defaultProgram.attrPosition = glGetAttribLocation(program, "position");
|
||||
g_defaultProgram.attrColor = glGetAttribLocation(program, "color");
|
||||
g_defaultProgram.attrTangentU = glGetAttribLocation(program, "tangentU");
|
||||
g_defaultProgram.attrTangentV = glGetAttribLocation(program, "tangentV");
|
||||
|
||||
return true;
|
||||
}
|
||||
@ -562,8 +588,11 @@ static void
|
||||
drawCageEdges() {
|
||||
|
||||
glUseProgram(g_defaultProgram.program);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewProjectionMatrix);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewMatrix);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ProjectionMatrix);
|
||||
glUniform1i(g_defaultProgram.uniformDrawMode, 0);
|
||||
|
||||
std::vector<float> vbo;
|
||||
vbo.reserve(g_coarseEdges.size() * 6);
|
||||
@ -588,6 +617,8 @@ drawCageEdges() {
|
||||
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrPosition);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrColor);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentU);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentV);
|
||||
glVertexAttribPointer(g_defaultProgram.attrPosition,
|
||||
3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, 0);
|
||||
glVertexAttribPointer(g_defaultProgram.attrColor,
|
||||
@ -604,8 +635,11 @@ static void
|
||||
drawCageVertices() {
|
||||
|
||||
glUseProgram(g_defaultProgram.program);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewProjectionMatrix);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewMatrix);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ProjectionMatrix);
|
||||
glUniform1i(g_defaultProgram.uniformDrawMode, 0);
|
||||
|
||||
int numPoints = (int)g_positions.size()/3;
|
||||
std::vector<float> vbo;
|
||||
@ -642,6 +676,8 @@ drawCageVertices() {
|
||||
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrPosition);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrColor);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentU);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentV);
|
||||
glVertexAttribPointer(g_defaultProgram.attrPosition,
|
||||
3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, 0);
|
||||
glVertexAttribPointer(g_defaultProgram.attrColor,
|
||||
@ -658,19 +694,43 @@ drawCageVertices() {
|
||||
//------------------------------------------------------------------------------
|
||||
static void
|
||||
drawSamples() {
|
||||
|
||||
glUseProgram(g_defaultProgram.program);
|
||||
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewProjectionMatrix);
|
||||
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformModelViewMatrix,
|
||||
1, GL_FALSE, g_transformData.ModelViewMatrix);
|
||||
glUniformMatrix4fv(g_defaultProgram.uniformProjectionMatrix,
|
||||
1, GL_FALSE, g_transformData.ProjectionMatrix);
|
||||
glUniform1i(g_defaultProgram.uniformDrawMode, g_drawMode);
|
||||
|
||||
glBindVertexArray(g_samplesVAO);
|
||||
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrPosition);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrColor);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrTangentU);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrTangentV);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, g_outVertexData->BindVBO());
|
||||
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, 0);
|
||||
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, (float*)12);
|
||||
|
||||
glBindBuffer(GL_ARRAY_BUFFER, g_outDerivatives->BindVBO());
|
||||
glVertexAttribPointer(2, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, 0);
|
||||
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, sizeof (GLfloat) * 6, (float*)12);
|
||||
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrPosition);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrColor);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrTangentU);
|
||||
glEnableVertexAttribArray(g_defaultProgram.attrTangentV);
|
||||
|
||||
glPointSize(2.0f);
|
||||
glDrawArrays(GL_POINTS, 0, g_nparticles);
|
||||
glPointSize(1.0f);
|
||||
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrPosition);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrColor);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentU);
|
||||
glDisableVertexAttribArray(g_defaultProgram.attrTangentV);
|
||||
|
||||
glBindVertexArray(0);
|
||||
|
||||
glUseProgram(0);
|
||||
@ -728,7 +788,8 @@ display() {
|
||||
g_fpsTimer.Start();
|
||||
|
||||
g_hud.DrawString(10, -150, "Particle Speed ([) (]): %.1f", g_particles->GetSpeed());
|
||||
g_hud.DrawString(10, -120, "# Samples : (%d/%d)", g_nsamplesFound, g_Q->GetNumVertices());
|
||||
g_hud.DrawString(10, -120, "# Samples : (%d/%d)",
|
||||
g_nsamplesFound, g_outVertexData->GetNumVertices());
|
||||
g_hud.DrawString(10, -100, "Compute : %.3f ms", g_computeTime);
|
||||
g_hud.DrawString(10, -80, "Eval : %.3f ms", g_evalTime * 1000.f);
|
||||
g_hud.DrawString(10, -60, "GPU Draw : %.3f ms", drawGpuTime);
|
||||
@ -944,6 +1005,8 @@ initHUD() {
|
||||
g_hud.AddPullDownButton(shading_pulldown, "Random", kRANDOM, g_drawMode==kRANDOM);
|
||||
g_hud.AddPullDownButton(shading_pulldown, "(u,v)", kUV, g_drawMode==kUV);
|
||||
g_hud.AddPullDownButton(shading_pulldown, "Varying", kVARYING, g_drawMode==kVARYING);
|
||||
g_hud.AddPullDownButton(shading_pulldown, "Normal", kNORMAL, g_drawMode==kNORMAL);
|
||||
g_hud.AddPullDownButton(shading_pulldown, "Shade", kSHADE, g_drawMode==kSHADE);
|
||||
g_hud.AddPullDownButton(shading_pulldown, "FaceVarying", kFACEVARYING, g_drawMode==kFACEVARYING);
|
||||
|
||||
for (int i = 1; i < 11; ++i) {
|
||||
|
||||
@ -59,10 +59,10 @@ CpuEvaluator::EvalStencils(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
float *dstDu,
|
||||
VertexBufferDescriptor const &dstDuDesc,
|
||||
float *dstDv,
|
||||
VertexBufferDescriptor const &dstDvDesc,
|
||||
float *dstDs,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
float *dstDt,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
const int * sizes,
|
||||
const int * offsets,
|
||||
const int * indices,
|
||||
@ -72,13 +72,13 @@ CpuEvaluator::EvalStencils(const float *src,
|
||||
int start, int end) {
|
||||
if (end <= start) return true;
|
||||
if (srcDesc.length != dstDesc.length) return false;
|
||||
if (srcDesc.length != dstDuDesc.length) return false;
|
||||
if (srcDesc.length != dstDvDesc.length) return false;
|
||||
if (srcDesc.length != dstDsDesc.length) return false;
|
||||
if (srcDesc.length != dstDtDesc.length) return false;
|
||||
|
||||
CpuEvalStencils(src, srcDesc,
|
||||
dst, dstDesc,
|
||||
dstDu, dstDuDesc,
|
||||
dstDv, dstDvDesc,
|
||||
dstDs, dstDsDesc,
|
||||
dstDt, dstDtDesc,
|
||||
sizes, offsets, indices,
|
||||
weights, duWeights, dvWeights,
|
||||
start, end);
|
||||
@ -93,19 +93,21 @@ struct BufferAdapter {
|
||||
void Clear() {
|
||||
for (int i = 0; i < _length; ++i) _p[i] = 0;
|
||||
}
|
||||
void AddWithWeight(T const *src, float w, float wu, float wv) {
|
||||
(void)wu;
|
||||
(void)wv;
|
||||
// TODO: derivatives.
|
||||
for (int i = 0; i < _length; ++i) {
|
||||
_p[i] += src[i] * w;
|
||||
void AddWithWeight(T const *src, float w) {
|
||||
if (_p) {
|
||||
// TODO: derivatives.
|
||||
for (int i = 0; i < _length; ++i) {
|
||||
_p[i] += src[i] * w;
|
||||
}
|
||||
}
|
||||
}
|
||||
const T *operator[] (int index) const {
|
||||
return _p + _stride * index;
|
||||
}
|
||||
BufferAdapter<T> & operator ++() {
|
||||
_p += _stride;
|
||||
if (_p) {
|
||||
_p += _stride;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
|
||||
@ -115,24 +117,23 @@ struct BufferAdapter {
|
||||
};
|
||||
|
||||
/* static */
|
||||
int
|
||||
bool
|
||||
CpuEvaluator::EvalPatches(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
PatchCoordArray const &patchCoords,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable) {
|
||||
src += srcDesc.offset;
|
||||
dst += dstDesc.offset;
|
||||
int count = 0;
|
||||
if (dst) dst += dstDesc.offset;
|
||||
|
||||
// XXX: this implementaion is temporary.
|
||||
BufferAdapter<const float> srcT(src, srcDesc.length, srcDesc.stride);
|
||||
BufferAdapter<float> dstT(dst, dstDesc.length, dstDesc.stride);
|
||||
|
||||
float wP[20], wDs[20], wDt[20];
|
||||
|
||||
for (size_t i = 0; i < patchCoords.size(); ++i) {
|
||||
for (int i = 0; i < numPatchCoords; ++i) {
|
||||
PatchCoord const &coords = patchCoords[i];
|
||||
|
||||
patchTable->EvaluateBasis(coords.handle, coords.s, coords.t, wP, wDs, wDt);
|
||||
@ -141,13 +142,58 @@ CpuEvaluator::EvalPatches(const float *src,
|
||||
|
||||
dstT.Clear();
|
||||
for (int j = 0; j < cvs.size(); ++j) {
|
||||
dstT.AddWithWeight(srcT[cvs[j]], wP[j], wDs[j], wDt[j]);
|
||||
dstT.AddWithWeight(srcT[cvs[j]], wP[j]);
|
||||
}
|
||||
|
||||
++count;
|
||||
++dstT;
|
||||
}
|
||||
return count;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* static */
|
||||
bool
|
||||
CpuEvaluator::EvalPatches(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
float *dstDs,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
float *dstDt,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable) {
|
||||
src += srcDesc.offset;
|
||||
if (dst) dst += dstDesc.offset;
|
||||
if (dstDs) dstDs += dstDsDesc.offset;
|
||||
if (dstDt) dstDt += dstDtDesc.offset;
|
||||
|
||||
BufferAdapter<const float> srcT(src, srcDesc.length, srcDesc.stride);
|
||||
BufferAdapter<float> dstT(dst, dstDesc.length, dstDesc.stride);
|
||||
BufferAdapter<float> dstDsT(dstDs, dstDsDesc.length, dstDsDesc.stride);
|
||||
BufferAdapter<float> dstDtT(dstDt, dstDtDesc.length, dstDtDesc.stride);
|
||||
|
||||
float wP[20], wDs[20], wDt[20];
|
||||
|
||||
for (int i = 0; i < numPatchCoords; ++i) {
|
||||
PatchCoord const &coords = patchCoords[i];
|
||||
|
||||
patchTable->EvaluateBasis(coords.handle, coords.s, coords.t, wP, wDs, wDt);
|
||||
|
||||
Far::ConstIndexArray cvs = patchTable->GetPatchVertices(coords.handle);
|
||||
|
||||
dstT.Clear();
|
||||
dstDsT.Clear();
|
||||
dstDtT.Clear();
|
||||
for (int j = 0; j < cvs.size(); ++j) {
|
||||
dstT.AddWithWeight(srcT[cvs[j]], wP[j]);
|
||||
dstDsT.AddWithWeight(srcT[cvs[j]], wDs[j]);
|
||||
dstDtT.AddWithWeight(srcT[cvs[j]], wDt[j]);
|
||||
}
|
||||
++dstT;
|
||||
++dstDsT;
|
||||
++dstDtT;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
|
||||
@ -56,14 +56,17 @@ struct PatchCoord {
|
||||
float s, t; ///< parametric location on patch
|
||||
};
|
||||
|
||||
typedef std::vector<PatchCoord> PatchCoordArray;
|
||||
|
||||
|
||||
class CpuEvaluator {
|
||||
public:
|
||||
/// ----------------------------------------------------------------------
|
||||
///
|
||||
/// Stencil evaluations with StencilTable
|
||||
///
|
||||
/// ----------------------------------------------------------------------
|
||||
|
||||
/// \brief Generic static eval stencils function. This function has a same
|
||||
/// signature as other device kernels have so that it can be called
|
||||
/// transparently from OsdMesh template interface.
|
||||
/// in the same way from OsdMesh template interface.
|
||||
///
|
||||
/// @param srcBuffer Input primvar buffer.
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
@ -108,7 +111,28 @@ public:
|
||||
/*end = */ stencilTable->GetNumStencils());
|
||||
}
|
||||
|
||||
/// stencil evaluate function.
|
||||
/// \brief Static eval stencils function which takes raw CPU pointers for
|
||||
/// input and output.
|
||||
///
|
||||
/// @param src Input primvar pointer. An offset of srcDesc
|
||||
/// will be applied internally (i.e. the pointer
|
||||
/// should not include the offset)
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dst Output primvar pointer. An offset of dstDesc
|
||||
/// will be applied internally.
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param stencilTable stencil table to be applied.
|
||||
///
|
||||
/// @param instance not used in the cpu kernel
|
||||
/// (declared as a typed pointer to prevent
|
||||
/// undesirable template resolution)
|
||||
///
|
||||
/// @param deviceContext not used in the cpu kernel
|
||||
///
|
||||
static bool EvalStencils(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
@ -120,15 +144,52 @@ public:
|
||||
int start,
|
||||
int end);
|
||||
|
||||
/// \brief Generic static eval stencils function with derivatives.
|
||||
/// This function has a same signature as other device kernels
|
||||
/// have so that it can be called in the same way from OsdMesh
|
||||
/// template interface.
|
||||
///
|
||||
/// @param srcBuffer Input primvar buffer.
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// const float pointer for read
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dstBuffer Output primvar buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDsBuffer Output s-derivative buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDsDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDtBuffer Output t-derivative buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDtDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param stencilTable stencil table to be applied.
|
||||
///
|
||||
/// @param instance not used in the cpu kernel
|
||||
/// (declared as a typed pointer to prevent
|
||||
/// undesirable template resolution)
|
||||
///
|
||||
/// @param deviceContext not used in the cpu kernel
|
||||
///
|
||||
template <typename SRC_BUFFER, typename DST_BUFFER, typename STENCIL_TABLE>
|
||||
static bool EvalStencils(SRC_BUFFER *srcBuffer,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
DST_BUFFER *dstBuffer,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
DST_BUFFER *dstDuBuffer,
|
||||
VertexBufferDescriptor const &dstDuDesc,
|
||||
DST_BUFFER *dstDvBuffer,
|
||||
VertexBufferDescriptor const &dstDvDesc,
|
||||
DST_BUFFER *dstDsBuffer,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
DST_BUFFER *dstDtBuffer,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
STENCIL_TABLE const *stencilTable,
|
||||
const CpuEvaluator *evaluator = NULL,
|
||||
void * deviceContext = NULL) {
|
||||
@ -139,10 +200,10 @@ public:
|
||||
srcDesc,
|
||||
dstBuffer->BindCpuBuffer(),
|
||||
dstDesc,
|
||||
dstDuBuffer->BindCpuBuffer(),
|
||||
dstDuDesc,
|
||||
dstDvBuffer->BindCpuBuffer(),
|
||||
dstDvDesc,
|
||||
dstDsBuffer->BindCpuBuffer(),
|
||||
dstDsDesc,
|
||||
dstDtBuffer->BindCpuBuffer(),
|
||||
dstDtDesc,
|
||||
&stencilTable->GetSizes()[0],
|
||||
&stencilTable->GetOffsets()[0],
|
||||
&stencilTable->GetControlIndices()[0],
|
||||
@ -153,14 +214,46 @@ public:
|
||||
/*end = */ stencilTable->GetNumStencils());
|
||||
}
|
||||
|
||||
/// \brief Static eval stencils function with derivatives, which takes
|
||||
/// raw CPU pointers for input and output.
|
||||
///
|
||||
/// @param src Input primvar pointer. An offset of srcDesc
|
||||
/// will be applied internally (i.e. the pointer
|
||||
/// should not include the offset)
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dst Output primvar pointer. An offset of dstDesc
|
||||
/// will be applied internally.
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDs Output s-derivatives pointer. An offset of
|
||||
/// dstDsDesc will be applied internally.
|
||||
///
|
||||
/// @param dstDsDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDt Output t-derivatives pointer. An offset of
|
||||
/// dstDtDesc will be applied internally.
|
||||
///
|
||||
/// @param dstDtDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param stencilTable stencil table to be applied.
|
||||
///
|
||||
/// @param instance not used in the cpu kernel
|
||||
/// (declared as a typed pointer to prevent
|
||||
/// undesirable template resolution)
|
||||
///
|
||||
/// @param deviceContext not used in the cpu kernel
|
||||
///
|
||||
static bool EvalStencils(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
float *dstDu,
|
||||
VertexBufferDescriptor const &dstDuDesc,
|
||||
float *dstDv,
|
||||
VertexBufferDescriptor const &dstDvDesc,
|
||||
float *dstDs,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
float *dstDt,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
const int * sizes,
|
||||
const int * offsets,
|
||||
const int * indices,
|
||||
@ -170,11 +263,15 @@ public:
|
||||
int start,
|
||||
int end);
|
||||
|
||||
/// ----------------------------------------------------------------------
|
||||
///
|
||||
/// Limit evaluations with PatchTable
|
||||
///
|
||||
/// ----------------------------------------------------------------------
|
||||
|
||||
/// \brief Generic limit eval function. This function has a same
|
||||
/// signature as other device kernels have so that it can be called
|
||||
/// transparently.
|
||||
///
|
||||
/// XXX: This interface is still work in progress. XXX
|
||||
/// in the same way.
|
||||
///
|
||||
/// @param srcBuffer Input primvar buffer.
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
@ -188,23 +285,26 @@ public:
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param patchCoord array of locations to be evaluated.
|
||||
/// @param numPatchCoords number of patchCoords.
|
||||
///
|
||||
/// @param patchCoords array of locations to be evaluated.
|
||||
///
|
||||
/// @param patchTable Far::PatchTable
|
||||
///
|
||||
/// @param instanced not used in the cpu evaluator
|
||||
/// @param instance not used in the cpu evaluator
|
||||
///
|
||||
/// @param deviceContext not used in the cpu evaluator
|
||||
///
|
||||
template <typename SRC_BUFFER, typename DST_BUFFER>
|
||||
static int EvalPatches(SRC_BUFFER *srcBuffer,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
DST_BUFFER *dstBuffer,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
PatchCoordArray const &patchCoords,
|
||||
Far::PatchTables const *patchTable,
|
||||
CpuEvaluator const *instance,
|
||||
void * deviceContext = NULL) {
|
||||
static bool EvalPatches(SRC_BUFFER *srcBuffer,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
DST_BUFFER *dstBuffer,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable,
|
||||
CpuEvaluator const *instance,
|
||||
void * deviceContext = NULL) {
|
||||
(void)instance; // unused
|
||||
(void)deviceContext; // unused
|
||||
|
||||
@ -212,17 +312,158 @@ public:
|
||||
srcDesc,
|
||||
dstBuffer->BindCpuBuffer(),
|
||||
dstDesc,
|
||||
numPatchCoords,
|
||||
patchCoords,
|
||||
patchTable);
|
||||
}
|
||||
|
||||
/// \brief limit eval function.
|
||||
static int EvalPatches(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
PatchCoordArray const &patchCoords,
|
||||
Far::PatchTables const *patchTable);
|
||||
/// \brief Generic limit eval function with derivatives. This function has
|
||||
/// a same signature as other device kernels have so that it can be
|
||||
/// called in the same way.
|
||||
///
|
||||
/// @param srcBuffer Input primvar buffer.
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// const float pointer for read
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dstBuffer Output primvar buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDsBuffer Output s-derivatives buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDsDesc vertex buffer descriptor for the dstDsBuffer
|
||||
///
|
||||
/// @param dstDtBuffer Output t-derivatives buffer
|
||||
/// must have BindCpuBuffer() method returning a
|
||||
/// float pointer for write
|
||||
///
|
||||
/// @param dstDtDesc vertex buffer descriptor for the dstDtBuffer
|
||||
///
|
||||
/// @param numPatchCoords number of patchCoords.
|
||||
///
|
||||
/// @param patchCoords array of locations to be evaluated.
|
||||
///
|
||||
/// @param patchTable Far::PatchTable
|
||||
///
|
||||
/// @param instance not used in the cpu evaluator
|
||||
///
|
||||
/// @param deviceContext not used in the cpu evaluator
|
||||
///
|
||||
template <typename SRC_BUFFER, typename DST_BUFFER>
|
||||
static bool EvalPatches(SRC_BUFFER *srcBuffer,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
DST_BUFFER *dstBuffer,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
DST_BUFFER *dstDsBuffer,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
DST_BUFFER *dstDtBuffer,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable,
|
||||
CpuEvaluator const *instance,
|
||||
void * deviceContext = NULL) {
|
||||
(void)instance; // unused
|
||||
(void)deviceContext; // unused
|
||||
|
||||
return EvalPatches(srcBuffer->BindCpuBuffer(),
|
||||
srcDesc,
|
||||
dstBuffer->BindCpuBuffer(),
|
||||
dstDesc,
|
||||
dstDsBuffer->BindCpuBuffer(),
|
||||
dstDsDesc,
|
||||
dstDtBuffer->BindCpuBuffer(),
|
||||
dstDtDesc,
|
||||
numPatchCoords,
|
||||
patchCoords,
|
||||
patchTable);
|
||||
}
|
||||
|
||||
/// \brief Static limit eval function. It takes an array of PatchCoord
|
||||
/// and evaluate limit values on given PatchTable.
|
||||
///
|
||||
/// @param src Input primvar pointer. An offset of srcDesc
|
||||
/// will be applied internally (i.e. the pointer
|
||||
/// should not include the offset)
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dst Output primvar pointer. An offset of dstDesc
|
||||
/// will be applied internally.
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param numPatchCoords number of patchCoords.
|
||||
///
|
||||
/// @param patchCoords array of locations to be evaluated.
|
||||
///
|
||||
/// @param patchTable Far::PatchTable on which primvars are evaluated
|
||||
/// for the patchCoords
|
||||
///
|
||||
/// @param instance not used in the cpu evaluator
|
||||
///
|
||||
/// @param deviceContext not used in the cpu evaluator
|
||||
///
|
||||
static bool EvalPatches(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable);
|
||||
|
||||
/// \brief Static limit eval function. It takes an array of PatchCoord
|
||||
/// and evaluate limit values on given PatchTable.
|
||||
///
|
||||
/// @param src Input primvar pointer. An offset of srcDesc
|
||||
/// will be applied internally (i.e. the pointer
|
||||
/// should not include the offset)
|
||||
///
|
||||
/// @param srcDesc vertex buffer descriptor for the input buffer
|
||||
///
|
||||
/// @param dst Output primvar pointer. An offset of dstDesc
|
||||
/// will be applied internally.
|
||||
///
|
||||
/// @param dstDesc vertex buffer descriptor for the output buffer
|
||||
///
|
||||
/// @param dstDs Output s-derivatives pointer. An offset of
|
||||
/// dstDsDesc will be applied internally.
|
||||
///
|
||||
/// @param dstDsDesc vertex buffer descriptor for the dstDs buffer
|
||||
///
|
||||
/// @param dstDt Output t-derivatives pointer. An offset of
|
||||
/// dstDtDesc will be applied internally.
|
||||
///
|
||||
/// @param dstDtDesc vertex buffer descriptor for the dstDt buffer
|
||||
///
|
||||
/// @param numPatchCoords number of patchCoords.
|
||||
///
|
||||
/// @param patchCoords array of locations to be evaluated.
|
||||
///
|
||||
/// @param patchTable Far::PatchTable on which primvars are evaluated
|
||||
/// for the patchCoords
|
||||
///
|
||||
/// @param instance not used in the cpu evaluator
|
||||
///
|
||||
/// @param deviceContext not used in the cpu evaluator
|
||||
///
|
||||
static bool EvalPatches(const float *src,
|
||||
VertexBufferDescriptor const &srcDesc,
|
||||
float *dst,
|
||||
VertexBufferDescriptor const &dstDesc,
|
||||
float *dstDs,
|
||||
VertexBufferDescriptor const &dstDsDesc,
|
||||
float *dstDt,
|
||||
VertexBufferDescriptor const &dstDtDesc,
|
||||
int numPatchCoords,
|
||||
PatchCoord const *patchCoords,
|
||||
Far::PatchTables const *patchTable);
|
||||
|
||||
/// \brief synchronize all asynchronous computation invoked on this device.
|
||||
static void Synchronize(void * /*deviceContext = NULL*/) {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user