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Demo - add deformation Motion Blur example.
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‎release_notes.txt

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@@ -39,6 +39,8 @@ new functions:
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rprShapeAttachRenderLayer/rprShapeDetachRenderLayer -> set a Render Layer on a shape. The API user can choose any name he wants.
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rprContextAttachRenderLayer/rprContextDetachRenderLayer -> add/remove a Render Layer name to the final rendering.
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For Northstar, add of deformation motion blur. The Demo "04_deformation_motion_blur" illustrates how to use it.
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################################################################################################################
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RPR SDK 2.01.9 - 13 January 2021
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‎tutorials/04_deformation_motion_blur/main.cpp

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/*****************************************************************************\
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*
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* Module Name simple_render.cpp
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* Project Radeon ProRender rendering tutorial
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*
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* Description Radeon ProRender SDK tutorials
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*
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* Copyright 2011 - 2021 Advanced Micro Devices, Inc.
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*
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* All rights reserved. This notice is intended as a precaution against
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* inadvertent publication and does not imply publication or any waiver
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* of confidentiality. The year included in the foregoing notice is the
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* year of creation of the work.
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*
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\*****************************************************************************/
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#include "RadeonProRender.h"
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#include "Math/mathutils.h"
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#include "../common/common.h"
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#include <cassert>
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#include <iostream>
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int main()
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{
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// enable Radeon ProRender API trace
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// set this before any rpr API calls
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// rprContextSetParameterByKey1u(0,RPR_CONTEXT_TRACING_ENABLED,1);
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std::cout << "Radeon ProRender SDK simple rendering tutorial.\n";
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// Indicates whether the last operation has suceeded or not
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rpr_int status = RPR_SUCCESS;
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// Create OpenCL context using a single GPU
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rpr_context context = NULL;
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// Register Tahoe ray tracing plugin.
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rpr_int tahoePluginID = rprRegisterPlugin(RPR_PLUGIN_FILE_NAME);
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CHECK_NE(tahoePluginID , -1)
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rpr_int plugins[] = { tahoePluginID };
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size_t pluginCount = sizeof(plugins) / sizeof(plugins[0]);
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// Create context using a single GPU
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CHECK( rprCreateContext(RPR_API_VERSION, plugins, pluginCount, g_ContextCreationFlags, NULL, NULL, &context) );
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// Set active plugin.
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CHECK( rprContextSetActivePlugin(context, plugins[0]) );
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std::cout << "Context successfully created.\n";
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rpr_material_system matsys = nullptr;
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CHECK( rprContextCreateMaterialSystem(context, 0, &matsys) );
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// Create a scene
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rpr_scene scene = nullptr;
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CHECK( rprContextCreateScene(context, &scene) );
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// Create camera
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rpr_camera camera = nullptr;
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{
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CHECK( rprContextCreateCamera(context, &camera) );
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// Position camera in world space:
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CHECK( rprCameraLookAt(camera, 0, 5, 20, 0, 1, 0, 0, 1, 0) );
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CHECK( rprCameraSetFocalLength(camera, 75.f) );
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// Set camera for the scene
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CHECK( rprSceneSetCamera(scene, camera) );
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}
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// Set scene to render for the context
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CHECK( rprContextSetScene(context, scene) );
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// Create framebuffer to store rendering result
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rpr_framebuffer_desc desc = { 800 , 600 };
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// 4 component 32-bit float value each
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rpr_framebuffer_format fmt = {4, RPR_COMPONENT_TYPE_FLOAT32};
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rpr_framebuffer frame_buffer = nullptr;
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rpr_framebuffer frame_buffer_resolved = nullptr;
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CHECK( rprContextCreateFrameBuffer(context, fmt, &desc, &frame_buffer) );
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CHECK( rprContextCreateFrameBuffer(context, fmt, &desc, &frame_buffer_resolved) );
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// Clear framebuffer to black color
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CHECK( rprFrameBufferClear(frame_buffer) );
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// Set framebuffer for the context
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CHECK( rprContextSetAOV(context, RPR_AOV_COLOR, frame_buffer) );
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const float shiftX = 0.3f;
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const float shiftY = 0.3f;
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const int cube_NumberOfVertices = 24;
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const int numberOfBlurKeyTime = 2;
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// Cube geometry
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vertex cube_data_motionBlur[cube_NumberOfVertices*numberOfBlurKeyTime] =
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{
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// vertices at camera exposure = 0.0
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{ -1.0f, 1.0f, -1.0f, 0.f, 1.f, 0.f, 0.f, 0.f },
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{ 1.0f, 1.0f, -1.0f, 0.f, 1.f, 0.f, 0.f, 0.f },
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{ 1.0f, 1.0f, 1.0f , 0.f, 1.f, 0.f, 0.f, 0.f },
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{ -1.0f, 1.0f, 1.0f , 0.f, 1.f, 0.f, 0.f, 0.f},
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{ -1.0f, -1.0f, -1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, -1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, 1.0f, -1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, 1.0f, 1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, 1.0f, -1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, 1.0f, 1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, -1.0f , 0.f, 0.f, -1.f , 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 0.f, 0.f, -1.f , 0.f, 0.f },
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{ 1.0f, 1.0f, -1.0f , 0.f, 0.f, -1.f, 0.f, 0.f },
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{ -1.0f, 1.0f, -1.0f , 0.f, 0.f, -1.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ 1.0f, 1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ -1.0f, 1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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// vertices at camera exposure = 1.0 : slightly deform the Cube
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{ -1.0f+shiftX, 1.0f, -1.0f, 0.f, 1.f, 0.f, 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, -1.0f, 0.f, 1.f, 0.f, 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, 1.0f , 0.f, 1.f, 0.f, 0.f, 0.f },
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{ -1.0f+shiftX, 1.0f, 1.0f , 0.f, 1.f, 0.f, 0.f, 0.f},
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{ -1.0f, -1.0f, -1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , 0.f, -1.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, -1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f+shiftX, 1.0f, -1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f+shiftX, 1.0f, 1.0f , -1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, -1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, 1.0f , 1.f, 0.f, 0.f, 0.f, 0.f },
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{ -1.0f, -1.0f, -1.0f , 0.f, 0.f, -1.f , 0.f, 0.f },
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{ 1.0f, -1.0f, -1.0f , 0.f, 0.f, -1.f , 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, -1.0f , 0.f, 0.f, -1.f, 0.f, 0.f },
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{ -1.0f+shiftX, 1.0f, -1.0f , 0.f, 0.f, -1.f, 0.f, 0.f },
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{ -1.0f, -1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ 1.0f, -1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ 1.0f+shiftX, 1.0f+shiftY, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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{ -1.0f+shiftX, 1.0f, 1.0f , 0.f, 0.f, 1.f, 0.f, 0.f },
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};
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// Create cube mesh
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rpr_shape cube = nullptr;
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{
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// 0-terminated list of mesh extra properties. (key+value)
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rpr_mesh_info mesh_properties[16];
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// first key: specify that we want to use mesh deformation on this rpr_shape.
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mesh_properties[0] = (rpr_mesh_info)RPR_MESH_MOTION_DIMENSION;
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// 2 key times are used in cube_data_motionBlur ( exposure = 0.0 and exposure = 1.0 )
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// More key times can be used if needed, for example, 3 key times would mean : exposure = 0.0; 0.5; 1.0
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mesh_properties[1] = (rpr_mesh_info)numberOfBlurKeyTime;
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mesh_properties[2] = (rpr_mesh_info)0; // key=0 means end of mesh properties.
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const rpr_float* texcoords[] = { (rpr_float const*)((char*)&cube_data_motionBlur[0] + sizeof(rpr_float)*6) };
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size_t num_texcoords[] = { cube_NumberOfVertices*numberOfBlurKeyTime };
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rpr_int texcoord_stride[] = { sizeof(vertex) };
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const rpr_int* texcoord_indices_[] = { indices };
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rpr_int tidx_stride_[] = { sizeof(rpr_int) };
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CHECK(rprContextCreateMeshEx2(context,
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(rpr_float const*)&cube_data_motionBlur[0], cube_NumberOfVertices*numberOfBlurKeyTime, sizeof(vertex),
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(rpr_float const*)((char*)&cube_data_motionBlur[0] + sizeof(rpr_float) * 3), cube_NumberOfVertices*numberOfBlurKeyTime, sizeof(vertex),
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nullptr,0,0,
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1, // using 1 texture coord layer.
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texcoords, num_texcoords, texcoord_stride,
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(rpr_int const*)indices, sizeof(rpr_int),
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(rpr_int const*)indices, sizeof(rpr_int),
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texcoord_indices_,tidx_stride_,
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num_face_vertices, 12, mesh_properties, &cube));
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// Add cube into the scene
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CHECK(rprSceneAttachShape(scene, cube));
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// Create a transform: -2 unit along X axis and 1 unit up Y axis
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RadeonProRender::matrix m = RadeonProRender::translation(RadeonProRender::float3(-2, 1, 0));
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// Set the transform
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CHECK(rprShapeSetTransform(cube, RPR_TRUE, &m.m00));
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}
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// Create plane mesh
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rpr_shape plane = nullptr;
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{
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CHECK(rprContextCreateMesh(context,
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(rpr_float const*)&plane_data[0], 4, sizeof(vertex),
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(rpr_float const*)((char*)&plane_data[0] + sizeof(rpr_float) * 3), 4, sizeof(vertex),
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(rpr_float const*)((char*)&plane_data[0] + sizeof(rpr_float) * 6), 4, sizeof(vertex),
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(rpr_int const*)indices, sizeof(rpr_int),
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(rpr_int const*)indices, sizeof(rpr_int),
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(rpr_int const*)indices, sizeof(rpr_int),
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num_face_vertices, 2, &plane));
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// Add plane into the scene
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CHECK(rprSceneAttachShape(scene, plane));
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}
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// Create point light
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rpr_light light=nullptr;
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{
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CHECK(rprContextCreatePointLight(context, &light));
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// Create a transform: move 5 units in X axis, 8 units up Y axis, -2 units in Z axis
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RadeonProRender::matrix lightm = RadeonProRender::translation(RadeonProRender::float3(0, 8, 2));
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// Set transform for the light
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CHECK(rprLightSetTransform(light, RPR_TRUE, &lightm.m00));
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// Set light radiant power in Watts
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CHECK(rprPointLightSetRadiantPower3f(light, 100, 100, 100));
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// Attach the light to the scene
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CHECK(rprSceneAttachLight(scene, light));
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}
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// set exposure, for motion blur
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CHECK(rprCameraSetExposure(camera,1.0));
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// Progressively render an image
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CHECK(rprContextSetParameterByKey1u(context,RPR_CONTEXT_ITERATIONS,NUM_ITERATIONS));
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CHECK( rprContextRender(context) );
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CHECK(rprContextResolveFrameBuffer(context,frame_buffer,frame_buffer_resolved,true));
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std::cout << "Rendering finished.\n";
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// Save the result to file
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CHECK( rprFrameBufferSaveToFile(frame_buffer_resolved, "04.png") );
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// Release the stuff we created
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CHECK(rprObjectDelete(matsys));matsys=nullptr;
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CHECK(rprObjectDelete(plane));plane=nullptr;
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CHECK(rprObjectDelete(cube));cube=nullptr;
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CHECK(rprObjectDelete(scene));scene=nullptr;
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CHECK(rprObjectDelete(camera));camera=nullptr;
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CHECK(rprObjectDelete(light));light=nullptr;
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CHECK(rprObjectDelete(frame_buffer));frame_buffer=nullptr;
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CHECK(rprObjectDelete(frame_buffer_resolved));frame_buffer_resolved=nullptr;
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CheckNoLeak(context);
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CHECK(rprObjectDelete(context));context=nullptr; // Always delete the RPR Context in last.
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return 0;
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}
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‎tutorials/04_deformation_motion_blur/premake4.lua

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project "04_deformation_motion_blur"
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kind "ConsoleApp"
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location "../build"
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files { "../04_deformation_motion_blur/**.h", "../04_deformation_motion_blur/**.cpp"}
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includedirs{ "../../RadeonProRender/inc" }
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buildoptions "-std=c++11"
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configuration {"x64"}
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links {"RadeonProRender64"}
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configuration {"x64", "Debug"}
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targetdir "../Bin"
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configuration {"x64", "Release"}
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targetdir "../Bin"
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configuration {}
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‎tutorials/premake5.lua

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include "01_camera_setup"
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include "02_mesh"
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include "03_instance"
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include "04_deformation_motion_blur"
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include "10_light_point"
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include "11_light_mesh"
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include "12_light_environment"

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