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Render multiple objects with shadow.

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This commit is contained in:
yunfeibai
2016-11-27 16:53:15 -08:00
parent 583dc1cac7
commit 0bc4e0a4c3
12 changed files with 19039 additions and 10 deletions
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114
examples/TinyRenderer/TinyRenderer.cpp
View File

@@ -455,14 +455,13 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
count++;
}
for (int k = 0; k < 76800; ++k)
{
if (shadowbuffer[k] > -1e30f+0.00001)
{
printf("[%d]: %f\n", k, shadowbuffer[k]);
}
}
for (int k = 0; k < 76800; ++k)
{
if (shadowbuffer[k] > -1e30f+0.00001)
{
//printf("[%d]: %f\n", k, shadowbuffer[k]);
}
}
ShadowShader shadowShader(model, light_dir_local, light_color, modelViewMatrix, lightModelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, localScaling, model->getColorRGBA(), width, height, shadowbuffer);
@@ -496,3 +495,102 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
}
}
void TinyRenderer::renderObjectDepth(TinyRenderObjectData& renderData)
{
int width = renderData.m_rgbColorBuffer.get_width();
int height = renderData.m_rgbColorBuffer.get_height();
Vec3f light_dir_local = Vec3f(renderData.m_lightDirWorld[0],renderData.m_lightDirWorld[1],renderData.m_lightDirWorld[2]);
Vec3f light_color = Vec3f(renderData.m_lightColor[0],renderData.m_lightColor[1],renderData.m_lightColor[2]);
Model* model = renderData.m_model;
if (0==model)
return;
renderData.m_viewportMatrix = viewport(0,0,width, height);
b3AlignedObjectArray<float>& zbuffer = renderData.m_depthBuffer;
b3AlignedObjectArray<float>& shadowbuffer = renderData.m_shadowBuffer;
int* segmentationMaskBufferPtr = (renderData.m_segmentationMaskBufferPtr && renderData.m_segmentationMaskBufferPtr->size())?&renderData.m_segmentationMaskBufferPtr->at(0):0;
TGAImage tempFrame(width, height, TGAImage::RGB);
TGAImage& frame = renderData.m_rgbColorBuffer;
{
Matrix lightViewMatrix = lookat(light_dir_local*depth, Vec3f(0.0,0.0,0.0), Vec3f(0.0,0.0,1.0));
Matrix lightModelViewMatrix = lightViewMatrix*renderData.m_modelMatrix;
Matrix lightViewProjectionMatrix = renderData.m_projectionMatrix;
Matrix modelViewMatrix = renderData.m_viewMatrix*renderData.m_modelMatrix;
viewportmat = renderData.m_viewportMatrix;
Vec3f localScaling(renderData.m_localScaling[0],renderData.m_localScaling[1],renderData.m_localScaling[2]);
DepthShader shader(model, lightModelViewMatrix, lightViewProjectionMatrix,renderData.m_modelMatrix, localScaling);
setindex = true;
for (int i=0; i<model->nfaces(); i++)
{
for (int j=0; j<3; j++) {
shader.vertex(i, j);
}
triangle(shader.varying_tri, shader, tempFrame, &shadowbuffer[0], segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex);
count++;
}
for (int k = 0; k < 76800; ++k)
{
if (shadowbuffer[k] > -1e30f+0.00001)
{
//printf("[%d]: %f\n", k, shadowbuffer[k]);
}
}
}
}
void TinyRenderer::renderObjectShadow(TinyRenderObjectData& renderData)
{
int width = renderData.m_rgbColorBuffer.get_width();
int height = renderData.m_rgbColorBuffer.get_height();
Vec3f light_dir_local = Vec3f(renderData.m_lightDirWorld[0],renderData.m_lightDirWorld[1],renderData.m_lightDirWorld[2]);
Vec3f light_color = Vec3f(renderData.m_lightColor[0],renderData.m_lightColor[1],renderData.m_lightColor[2]);
Model* model = renderData.m_model;
if (0==model)
return;
renderData.m_viewportMatrix = viewport(0,0,width, height);
b3AlignedObjectArray<float>& zbuffer = renderData.m_depthBuffer;
b3AlignedObjectArray<float>& shadowbuffer = renderData.m_shadowBuffer;
int* segmentationMaskBufferPtr = (renderData.m_segmentationMaskBufferPtr && renderData.m_segmentationMaskBufferPtr->size())?&renderData.m_segmentationMaskBufferPtr->at(0):0;
TGAImage tempFrame(width, height, TGAImage::RGB);
TGAImage& frame = renderData.m_rgbColorBuffer;
{
Matrix lightViewMatrix = lookat(light_dir_local*depth, Vec3f(0.0,0.0,0.0), Vec3f(0.0,0.0,1.0));
Matrix lightModelViewMatrix = lightViewMatrix*renderData.m_modelMatrix;
Matrix lightViewProjectionMatrix = renderData.m_projectionMatrix;
Matrix modelViewMatrix = renderData.m_viewMatrix*renderData.m_modelMatrix;
viewportmat = renderData.m_viewportMatrix;
Vec3f localScaling(renderData.m_localScaling[0],renderData.m_localScaling[1],renderData.m_localScaling[2]);
ShadowShader shadowShader(model, light_dir_local, light_color, modelViewMatrix, lightModelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, localScaling, model->getColorRGBA(), width, height, shadowbuffer);
setindex = false;
for (int i=0; i<model->nfaces(); i++)
{
for (int j=0; j<3; j++) {
shadowShader.vertex(i, j);
}
triangle(shadowShader.varying_tri, shadowShader, frame, &zbuffer[0], segmentationMaskBufferPtr, renderData.m_viewportMatrix, renderData.m_objectIndex);
printf("count: %d\n", count);
count++;
}
}
}

2
examples/TinyRenderer/TinyRenderer.h
View File

@@ -53,6 +53,8 @@ class TinyRenderer
{
public:
static void renderObject(TinyRenderObjectData& renderData);
static void renderObjectDepth(TinyRenderObjectData& renderData);
static void renderObjectShadow(TinyRenderObjectData& renderData);
};
#endif // TINY_RENDERER_Hbla