/* FUNCTION: ViewObject :: DragDrop
ARGUMENTS: none
RETURN: n/a
DESCRIPTION: Hook function called when user drops files in application window.
Essentially, determine if file is image or video.
*/
void ViewObject :: DragDrop(entry_ref *ref, float mouse_x, float mouse_y)
{
// Image file?
BPath path(ref);
BBitmap *bitmap = BTranslationUtils::GetBitmap(path.Path(), NULL);
if (bitmap)
{
MediaSource *media = new MediaSource(this);
GLCreateTexture(media, bitmap);
if (!SurfaceUpdate(media, mouse_x, mouse_y))
delete media;
delete bitmap;
return;
}
// Video file
Video *video = new Video(ref);
if (video->GetStatus() == B_OK)
{
MediaSource *media = new MediaSource(this);
GLCreateTexture(media, video->GetBitmap());
media->SetVideo(video);
if (SurfaceUpdate(media, mouse_x, mouse_y))
video->Start();
else
delete media;
return;
}
else
delete video;
printf("Unsupported file\n");
}
bool InitScene()
{
SetWindowText(hwnd, TITLE);
Quadron::qGLExtensions::QueryFeatures();
isGL4_4 = (Quadron::qGLExtensions::GLVersion >= Quadron::qGLExtensions::GL_4_4);
// setup opengl
glClearColor(0.0f, 0.125f, 0.3f, 1.0f);
glClearDepth(1.0);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
if( !GLCreateMeshFromQM("../media/meshes/teapot.qm", &mesh) )
{
MYERROR("Could not load mesh");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/blinnphong.vert", 0, "../media/shadersGL/blinnphong.frag", &effect1) )
{
MYERROR("Could not load 'blinnphong' effect");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/uniformbuffer.vert", 0, "../media/shadersGL/uniformbuffer.frag", &effect2) )
{
MYERROR("Could not load 'uniformbuffer' effect");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/basic2D.vert", 0, "../media/shadersGL/basic2D.frag", &basic2D) )
{
MYERROR("Could not load 'basic2D' shader");
return false;
}
// create framebuffer
framebuffer = new OpenGLFramebuffer(screenwidth, screenheight);
framebuffer->AttachTexture(GL_COLOR_ATTACHMENT0, GLFMT_A8B8G8R8, GL_NEAREST);
framebuffer->AttachRenderbuffer(GL_DEPTH_STENCIL_ATTACHMENT, GLFMT_D24S8);
if( !framebuffer->Validate() )
{
MYERROR("Framebuffer validation failed");
return false;
}
// create uniform buffer
effect2->SetUniformBlockBinding("VertexUniformData", 0);
effect2->SetUniformBlockBinding("FragmentUniformData", 1);
// simple uniform buffer
glGenBuffers(1, &uniformbuffer1);
glBindBuffer(GL_UNIFORM_BUFFER, uniformbuffer1);
glBufferData(GL_UNIFORM_BUFFER, sizeof(EffectUniformBlock), NULL, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
// uniform ringbuffer
glGenBuffers(1, &uniformbuffer2);
glBindBuffer(GL_UNIFORM_BUFFER, uniformbuffer2);
glBufferData(GL_UNIFORM_BUFFER, UNIFORM_COPIES * sizeof(EffectUniformBlock), NULL, GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
if( isGL4_4 ) {
// uniform storage buffer
glGenBuffers(1, &uniformbuffer3);
glBindBuffer(GL_UNIFORM_BUFFER, uniformbuffer3);
glBufferStorage(GL_UNIFORM_BUFFER, UNIFORM_COPIES * sizeof(EffectUniformBlock), NULL, GL_DYNAMIC_STORAGE_BIT|GL_MAP_WRITE_BIT|GL_MAP_PERSISTENT_BIT|GL_MAP_COHERENT_BIT);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
memset(&uniformDTO, 0, sizeof(uniformDTO));
// render text
GLCreateTexture(512, 512, 1, GLFMT_A8B8G8R8, &text1);
if( isGL4_4 ) {
glBindBuffer(GL_UNIFORM_BUFFER, uniformbuffer3);
persistentdata = (EffectUniformBlock*)glMapBufferRange(GL_UNIFORM_BUFFER, 0, UNIFORM_COPIES * sizeof(EffectUniformBlock), GL_MAP_WRITE_BIT|GL_MAP_PERSISTENT_BIT|GL_MAP_COHERENT_BIT);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
assert(persistentdata != 0);
GLRenderText(
"1 - glUniformXX\n2 - UBO with glBufferSubData\n3 - UBO with glMapBufferRange\n4 - UBO with glFenceSync\n5 - UBO with persistent mapping",
text1, 512, 512);
} else {
GLRenderText(
"1 - glUniformXX\n2 - UBO with glBufferSubData\n3 - UBO with glMapBufferRange\n4 - UBO with glFenceSync",
text1, 512, 512);
}
screenquad = new OpenGLScreenQuad();
// setup cameras
basiccamera.SetAspect((float)screenwidth / screenheight);
basiccamera.SetFov(GLDegreesToRadians(80));
basiccamera.SetClipPlanes(0.1f, 30.0f);
basiccamera.SetDistance(10.0f);
return true;
}
bool InitScene()
{
SetWindowText(hwnd, TITLE);
Quadron::qGLExtensions::QueryFeatures();
//CalculateSphereTetrahedron(4, 0.5f);
// setup opengl
glClearColor(0, 0, 0, 1);
glClearDepth(1.0);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
// create render targets for reference
rendertargets[0] = new OpenGLFramebuffer(screenwidth, screenheight);
rendertargets[1] = new OpenGLFramebuffer(screenwidth, screenheight);
rendertargets[0]->AttachTexture(GL_COLOR_ATTACHMENT0, GLFMT_A32B32G32R32F, GL_NEAREST);
rendertargets[1]->AttachTexture(GL_COLOR_ATTACHMENT0, GLFMT_A32B32G32R32F, GL_NEAREST);
GL_ASSERT(rendertargets[0]->Validate());
GL_ASSERT(rendertargets[1]->Validate());
GLint value = 0;
float white[] = { 1, 1, 1, 1 };
gbuffer = new OpenGLFramebuffer(screenwidth, screenheight);
gbuffer->AttachTexture(GL_COLOR_ATTACHMENT0, GLFMT_A8B8G8R8_sRGB, GL_NEAREST); // color
gbuffer->AttachTexture(GL_COLOR_ATTACHMENT1, GLFMT_A16B16G16R16F, GL_NEAREST); // normals
gbuffer->AttachTexture(GL_COLOR_ATTACHMENT2, GLFMT_R32F, GL_NEAREST); // depth
gbuffer->AttachTexture(GL_COLOR_ATTACHMENT3, GLFMT_G16R16F, GL_NEAREST); // velocity
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
glTexParameterfv(GL_TEXTURE_2D, GL_TEXTURE_BORDER_COLOR, white);
gbuffer->AttachRenderbuffer(GL_DEPTH_STENCIL_ATTACHMENT, GLFMT_D24S8);
GL_ASSERT(gbuffer->Validate());
glBindFramebuffer(GL_FRAMEBUFFER, gbuffer->GetFramebuffer());
{
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING, &value);
GL_ASSERT(value == GL_SRGB);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING, &value);
GL_ASSERT(value == GL_LINEAR);
glGetFramebufferAttachmentParameteriv(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING, &value);
GL_ASSERT(value == GL_LINEAR);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
// load shaders
if( !GLCreateEffectFromFile("../media/shadersGL/AOpathtracer.vert", 0, "../media/shadersGL/AOpathtracer.frag", &pathtracer) )
{
MYERROR("Could not load 'path tracer' shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/AOpathtracer.vert", 0, "../media/shadersGL/AOpathtracer.frag", &refgbuffereffect, "#define RENDER_GBUFFER\n") )
{
MYERROR("Could not load 'gbuffer' shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/basic2D.vert", 0, "../media/shadersGL/gtao.frag", &refgtaoeffect, "#define NUM_DIRECTIONS 32\n#define NUM_STEPS 16\n") )
{
MYERROR("Could not load 'GTAO' shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/basic2D.vert", 0, "../media/shadersGL/gtaocombine.frag", &combineeffect) )
{
MYERROR("Could not load 'combine' shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/basic2D.vert", 0, "../media/shadersGL/basic2D.frag", &presenteffect) )
{
MYERROR("Could not load 'basic2D' shader");
return false;
}
float id[16];
GLMatrixIdentity(id);
presenteffect->SetMatrix("matTexture", id);
refgtaoeffect->SetMatrix("matTexture", id);
combineeffect->SetInt("sampler0", 0);
combineeffect->SetInt("sampler1", 1);
refgtaoeffect->SetInt("gbufferDepth", 0);
refgtaoeffect->SetInt("gbufferNormals", 1);
refgtaoeffect->SetInt("noise", 2);
screenquad = new OpenGLScreenQuad();
// render text
GLCreateTexture(512, 512, 1, GLFMT_A8B8G8R8, &text1);
GLRenderText(
"Use the mouse to rotate camera\n\nP - Toggle path tracer\nH - Toggle help text",
text1, 512, 512);
// setup camera
orbitcamera.SetAspect((float)screenwidth / (float)screenheight);
orbitcamera.SetFov(GL_PI / 4.0f);
orbitcamera.SetPosition(0, 1.633f, 0);
orbitcamera.SetOrientation(GLDegreesToRadians(135), GLDegreesToRadians(30), 0);
orbitcamera.SetDistance(6);
orbitcamera.SetClipPlanes(0.1f, 20);
return true;
}
bool InitScene()
{
SurfaceVertex* svdata = 0;
float (*vdata)[4] = 0;
GLushort* idata = 0;
GLuint* idata32 = 0;
OpenGLVertexElement decl[] =
{
{ 0, 0, GLDECLTYPE_FLOAT4, GLDECLUSAGE_POSITION, 0 },
{ 0xff, 0, 0, 0, 0 }
};
OpenGLVertexElement decl2[] =
{
{ 0, 0, GLDECLTYPE_FLOAT4, GLDECLUSAGE_POSITION, 0 },
{ 0, 16, GLDECLTYPE_FLOAT4, GLDECLUSAGE_NORMAL, 0 },
{ 0xff, 0, 0, 0, 0 }
};
SetWindowText(hwnd, TITLE);
Quadron::qGLExtensions::QueryFeatures(hdc);
// calculate viewport sizes
long maxw = screenwidth - 350; // assume 320x240 first
long maxh = screenheight - 130 - 10; // text is fix
splinevpsize = GLMin<long>(maxw, maxh);
splinevpsize -= (splinevpsize % 10);
surfvpwidth = screenwidth - splinevpsize - 30;
surfvpheight = (surfvpwidth * 3) / 4;
if( !Quadron::qGLExtensions::ARB_geometry_shader4 )
return false;
hascompute = Quadron::qGLExtensions::ARB_compute_shader;
#ifdef _DEBUG
if( Quadron::qGLExtensions::ARB_debug_output )
{
glDebugMessageControl(GL_DONT_CARE, GL_DONT_CARE, GL_DONT_CARE, 0, 0, GL_TRUE);
glDebugMessageCallback(ReportGLError, 0);
}
#endif
glClearColor(0.0f, 0.125f, 0.3f, 1.0f);
glClearDepth(1.0);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glDepthFunc(GL_LEQUAL);
glEnable(GL_DEPTH_TEST);
// create grid & control poly
if( !GLCreateMesh(44 + numcontrolvertices, numcontrolindices, GLMESH_DYNAMIC, decl, &supportlines) )
{
MYERROR("Could not create mesh");
return false;
}
supportlines->LockVertexBuffer(0, 0, GLLOCK_DISCARD, (void**)&vdata);
supportlines->LockIndexBuffer(0, 0, GLLOCK_DISCARD, (void**)&idata);
// grid points
for( GLuint i = 0; i < 22; i += 2 )
{
vdata[i][0] = vdata[i + 1][0] = (float)(i / 2);
vdata[i][2] = vdata[i + 1][2] = 0;
vdata[i][3] = vdata[i + 1][3] = 1;
vdata[i][1] = 0;
vdata[i + 1][1] = 10;
vdata[i + 22][1] = vdata[i + 23][1] = (float)(i / 2);
vdata[i + 22][2] = vdata[i + 23][2] = 0;
vdata[i + 22][3] = vdata[i + 23][3] = 1;
vdata[i + 22][0] = 0;
vdata[i + 23][0] = 10;
}
// curve indices
for( GLuint i = 0; i < numcontrolindices; i += 2 )
{
idata[i] = 44 + i / 2;
idata[i + 1] = 44 + i / 2 + 1;
}
supportlines->UnlockIndexBuffer();
supportlines->UnlockVertexBuffer();
OpenGLAttributeRange table[] =
{
{ GLPT_LINELIST, 0, 0, 0, 0, 44 },
{ GLPT_LINELIST, 1, 0, numcontrolindices, 44, numcontrolvertices }
};
supportlines->SetAttributeTable(table, 2);
// create spline mesh
if( !GLCreateMesh(maxsplinevertices, maxsplineindices, GLMESH_32BIT, decl, &curve) )
{
MYERROR("Could not create curve");
return false;
}
OpenGLAttributeRange* subset0 = curve->GetAttributeTable();
subset0->PrimitiveType = GLPT_LINELIST;
subset0->IndexCount = 0;
// create surface
if( !GLCreateMesh(maxsurfacevertices, maxsurfaceindices, GLMESH_32BIT, decl2, &surface) )
{
MYERROR("Could not create surface");
return false;
}
// load effects
if( !GLCreateEffectFromFile("../media/shadersGL/color.vert", "../media/shadersGL/renderpoints.geom", "../media/shadersGL/color.frag", &renderpoints) )
{
MYERROR("Could not load point renderer shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/color.vert", "../media/shadersGL/renderlines.geom", "../media/shadersGL/color.frag", &renderlines) )
{
MYERROR("Could not load line renderer shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/rendersurface.vert", 0, "../media/shadersGL/rendersurface.frag", &rendersurface) )
{
MYERROR("Could not load surface renderer shader");
return false;
}
if( !GLCreateEffectFromFile("../media/shadersGL/basic2D.vert", 0, "../media/shadersGL/basic2D.frag", &basic2D) )
{
MYERROR("Could not load basic 2D shader");
return false;
}
if( hascompute )
{
if( !GLCreateComputeProgramFromFile("../media/shadersGL/tessellatecurve.comp", &tessellatecurve) )
{
MYERROR("Could not load compute shader");
return false;
}
if( !GLCreateComputeProgramFromFile("../media/shadersGL/tessellatesurface.comp", &tessellatesurface) )
{
MYERROR("Could not load compute shader");
return false;
}
}
screenquad = new OpenGLScreenQuad();
// tessellate for the first time
ChangeCurve(0);
Tessellate();
// text
GLCreateTexture(800, 130, 1, GLFMT_A8R8G8B8, &text1);
UpdateText();
float angles[2] = { M_PI / 2, 0.5f };
cameraangle = angles;
return true;
}