void BL_BlenderShader::Update(const RAS_MeshSlot & ms, RAS_IRasterizer* rasty )
{
float obmat[4][4], obcol[4];
GPUMaterial *gpumat;
gpumat = mGPUMat;
if (!gpumat || !GPU_material_bound(gpumat))
return;
MT_Matrix4x4 model;
model.setValue(ms.m_OpenGLMatrix);
// note: getValue gives back column major as needed by OpenGL
model.getValue((float*)obmat);
if (ms.m_bObjectColor)
ms.m_RGBAcolor.getValue((float *)obcol);
else
obcol[0] = obcol[1] = obcol[2] = obcol[3] = 1.0f;
float auto_bump_scale = ms.m_pDerivedMesh!=0 ? ms.m_pDerivedMesh->auto_bump_scale : 1.0f;
GPU_material_bind_uniforms(gpumat, obmat, obcol, auto_bump_scale);
mAlphaBlend = GPU_material_alpha_blend(gpumat, obcol);
}
void RAS_OpenGLRasterizer::SetProjectionMatrix(const MT_Matrix4x4 & mat)
{
glMatrixMode(GL_PROJECTION);
float matrix[16];
/* Get into argument. Looks a bit dodgy, but it's ok. */
mat.getValue(matrix);
glLoadMatrixf(matrix);
m_camortho = (mat[3][3] != 0.0f);
}
void RAS_OpenGLRasterizer::SetProjectionMatrix(const MT_Matrix4x4 & mat)
{
glMatrixMode(GL_PROJECTION);
double matrix[16];
/* Get into argument. Looks a bit dodgy, but it's ok. */
mat.getValue(matrix);
/* Internally, MT_Matrix4x4 uses doubles (MT_Scalar). */
glLoadMatrixd(matrix);
m_camortho= (mat[3][3] != 0.0);
}
void BL_Shader::SetUniform(int uniform, const MT_Matrix4x4& vec, bool transpose)
{
if ( GLEW_ARB_fragment_shader &&
GLEW_ARB_vertex_shader &&
GLEW_ARB_shader_objects
)
{
float value[16];
// note: getValue gives back column major as needed by OpenGL
vec.getValue(value);
glUniformMatrix4fvARB(uniform, 1, transpose?GL_TRUE:GL_FALSE, value);
}
}