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Add shared memory API to change light color.

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This commit is contained in:
yunfeibai
2016-11-20 12:52:12 -08:00
parent 936a104fb2
commit 93ba8af023
8 changed files with 49 additions and 6 deletions
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11
examples/TinyRenderer/TinyRenderer.cpp
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@@ -19,6 +19,7 @@ struct Shader : public IShader {
Model* m_model;
Vec3f m_light_dir_local;
Vec3f m_light_color;
Matrix& m_modelMat;
Matrix m_invModelMat;
@@ -32,9 +33,10 @@ struct Shader : public IShader {
mat<3,3,float> varying_nrm; // normal per vertex to be interpolated by FS
//mat<3,3,float> ndc_tri; // triangle in normalized device coordinates
Shader(Model* model, Vec3f light_dir_local, Matrix& modelView, Matrix& projectionMatrix, Matrix& modelMat, Vec3f localScaling, const Vec4f& colorRGBA)
Shader(Model* model, Vec3f light_dir_local, Vec3f light_color, Matrix& modelView, Matrix& projectionMatrix, Matrix& modelMat, Vec3f localScaling, const Vec4f& colorRGBA)
:m_model(model),
m_light_dir_local(light_dir_local),
m_light_color(light_color),
m_modelView1(modelView),
m_projectionMatrix(projectionMatrix),
m_modelMat(modelMat),
@@ -83,6 +85,10 @@ struct Shader : public IShader {
color.bgra[1] *= m_colorRGBA[1];
color.bgra[2] *= m_colorRGBA[2];
color.bgra[3] *= m_colorRGBA[3];
color.bgra[0] *= m_light_color[0];
color.bgra[1] *= m_light_color[1];
color.bgra[2] *= m_light_color[2];
return false;
}
@@ -260,6 +266,7 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
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;
@@ -278,7 +285,7 @@ void TinyRenderer::renderObject(TinyRenderObjectData& renderData)
{
Matrix modelViewMatrix = renderData.m_viewMatrix*renderData.m_modelMatrix;
Vec3f localScaling(renderData.m_localScaling[0],renderData.m_localScaling[1],renderData.m_localScaling[2]);
Shader shader(model, light_dir_local, modelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, localScaling, model->getColorRGBA());
Shader shader(model, light_dir_local, light_color, modelViewMatrix, renderData.m_projectionMatrix,renderData.m_modelMatrix, localScaling, model->getColorRGBA());
//printf("Render %d triangles.\n",model->nfaces());
for (int i=0; i<model->nfaces(); i++)

1
examples/TinyRenderer/TinyRenderer.h
View File

@@ -18,6 +18,7 @@ struct TinyRenderObjectData
Matrix m_viewportMatrix;
btVector3 m_localScaling;
btVector3 m_lightDirWorld;
btVector3 m_lightColor;
//Model (vertices, indices, textures, shader)
Matrix m_modelMatrix;