bool RAS_OpenGLRasterizer::BeginFrame(int drawingmode, double time)
{
m_time = time;
SetDrawingMode(drawingmode);
// Blender camera routine destroys the settings
if (m_drawingmode < KX_SOLID)
{
glDisable (GL_CULL_FACE);
glDisable (GL_DEPTH_TEST);
}
else
{
glEnable(GL_DEPTH_TEST);
glEnable (GL_CULL_FACE);
}
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
//m_last_alphablend = GPU_BLEND_SOLID;
GPU_set_material_alpha_blend(GPU_BLEND_SOLID);
glFrontFace(GL_CCW);
m_last_frontface = true;
glShadeModel(GL_SMOOTH);
glEnable(GL_MULTISAMPLE_ARB);
m_2DCanvas->BeginFrame();
return true;
}
bool RAS_OpenGLRasterizer::Init()
{
bool storage_init;
GPU_state_init();
m_ambr = 0.0f;
m_ambg = 0.0f;
m_ambb = 0.0f;
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
//m_last_alphablend = GPU_BLEND_SOLID;
GPU_set_material_alpha_blend(GPU_BLEND_SOLID);
glFrontFace(GL_CCW);
m_last_frontface = true;
m_redback = 0.4375;
m_greenback = 0.4375;
m_blueback = 0.4375;
m_alphaback = 0.0;
glClearColor(m_redback,m_greenback,m_blueback,m_alphaback);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glShadeModel(GL_SMOOTH);
storage_init = m_storage->Init();
return true && storage_init;
}
void RAS_OpenGLRasterizer::SetAlphaBlend(int alphablend)
{
GPU_set_material_alpha_blend(alphablend);
/*
if (alphablend == m_last_alphablend)
return;
if (alphablend == GPU_BLEND_SOLID) {
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
else if (alphablend == GPU_BLEND_ADD) {
glBlendFunc(GL_ONE, GL_ONE);
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
else if (alphablend == GPU_BLEND_ALPHA) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
}
else if (alphablend == GPU_BLEND_CLIP) {
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
}
m_last_alphablend = alphablend;
*/
}
void RAS_OpenGLRasterizer::SetAlphaBlend(int alphablend)
{
/* Variance shadow maps don't handle alpha well, best to not allow it for now */
if (m_drawingmode == KX_SHADOW && m_usingoverrideshader)
GPU_set_material_alpha_blend(GPU_BLEND_SOLID);
else
GPU_set_material_alpha_blend(alphablend);
/*
if (alphablend == m_last_alphablend)
return;
if (alphablend == GPU_BLEND_SOLID) {
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
else if (alphablend == GPU_BLEND_ADD) {
glBlendFunc(GL_ONE, GL_ONE);
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
}
else if (alphablend == GPU_BLEND_ALPHA) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
}
else if (alphablend == GPU_BLEND_CLIP) {
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
}
m_last_alphablend = alphablend;
*/
}
bool RAS_OpenGLRasterizer::BeginFrame(double time)
{
m_time = time;
// Blender camera routine destroys the settings
if (m_drawingmode < KX_SOLID)
{
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
}
else
{
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
}
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
//m_last_alphablend = GPU_BLEND_SOLID;
GPU_set_material_alpha_blend(GPU_BLEND_SOLID);
glFrontFace(GL_CCW);
m_last_frontface = true;
glShadeModel(GL_SMOOTH);
glEnable(GL_MULTISAMPLE_ARB);
m_2DCanvas->BeginFrame();
// Render Tools
m_clientobject = NULL;
m_lastlightlayer = -1;
m_lastauxinfo = NULL;
m_lastlighting = true; /* force disable in DisableOpenGLLights() */
DisableOpenGLLights();
return true;
}
void RAS_OpenGLRasterizer::DrawDerivedMesh(class RAS_MeshSlot &ms)
{
// mesh data is in derived mesh
current_bucket = ms.m_bucket;
current_polymat = current_bucket->GetPolyMaterial();
current_ms = &ms;
current_mesh = ms.m_mesh;
current_wireframe = m_drawingmode <= RAS_IRasterizer::KX_WIREFRAME;
// MCol *mcol = (MCol*)ms.m_pDerivedMesh->getFaceDataArray(ms.m_pDerivedMesh, CD_MCOL); /* UNUSED */
// handle two-side
if (current_polymat->GetDrawingMode() & RAS_IRasterizer::KX_BACKCULL)
this->SetCullFace(true);
else
this->SetCullFace(false);
if (current_polymat->GetFlag() & RAS_BLENDERGLSL) {
// GetMaterialIndex return the original mface material index,
// increment by 1 to match what derived mesh is doing
current_blmat_nr = current_polymat->GetMaterialIndex()+1;
// For GLSL we need to retrieve the GPU material attribute
Material* blmat = current_polymat->GetBlenderMaterial();
Scene* blscene = current_polymat->GetBlenderScene();
if (!current_wireframe && blscene && blmat)
GPU_material_vertex_attributes(GPU_material_from_blender(blscene, blmat, false), ¤t_gpu_attribs);
else
memset(¤t_gpu_attribs, 0, sizeof(current_gpu_attribs));
// DM draw can mess up blending mode, restore at the end
int current_blend_mode = GPU_get_material_alpha_blend();
ms.m_pDerivedMesh->drawFacesGLSL(ms.m_pDerivedMesh, CheckMaterialDM);
GPU_set_material_alpha_blend(current_blend_mode);
} else {
//ms.m_pDerivedMesh->drawMappedFacesTex(ms.m_pDerivedMesh, CheckTexfaceDM, mcol);
current_blmat_nr = current_polymat->GetMaterialIndex();
current_image = current_polymat->GetBlenderImage();
ms.m_pDerivedMesh->drawFacesTex(ms.m_pDerivedMesh, CheckTexDM, NULL, NULL, DM_DRAW_USE_ACTIVE_UV);
}
}
void RAS_StorageIM::IndexPrimitivesInternal(RAS_MeshSlot& ms, bool multi)
{
bool obcolor = ms.m_bObjectColor;
bool wireframe = m_drawingmode <= RAS_IRasterizer::KX_WIREFRAME;
MT_Vector4& rgba = ms.m_RGBAcolor;
RAS_MeshSlot::iterator it;
if (ms.m_pDerivedMesh) {
// mesh data is in derived mesh,
current_bucket = ms.m_bucket;
current_polymat = current_bucket->GetPolyMaterial();
current_ms = &ms;
current_mesh = ms.m_mesh;
current_wireframe = wireframe;
// MCol *mcol = (MCol*)ms.m_pDerivedMesh->getFaceDataArray(ms.m_pDerivedMesh, CD_MCOL); /* UNUSED */
// handle two-side
if (current_polymat->GetDrawingMode() & RAS_IRasterizer::KX_BACKCULL)
this->SetCullFace(true);
else
this->SetCullFace(false);
if (current_polymat->GetFlag() & RAS_BLENDERGLSL) {
// GetMaterialIndex return the original mface material index,
// increment by 1 to match what derived mesh is doing
current_blmat_nr = current_polymat->GetMaterialIndex()+1;
// For GLSL we need to retrieve the GPU material attribute
Material* blmat = current_polymat->GetBlenderMaterial();
Scene* blscene = current_polymat->GetBlenderScene();
if (!wireframe && blscene && blmat)
GPU_material_vertex_attributes(GPU_material_from_blender(blscene, blmat), ¤t_gpu_attribs);
else
memset(¤t_gpu_attribs, 0, sizeof(current_gpu_attribs));
// DM draw can mess up blending mode, restore at the end
int current_blend_mode = GPU_get_material_alpha_blend();
ms.m_pDerivedMesh->drawFacesGLSL(ms.m_pDerivedMesh, CheckMaterialDM);
GPU_set_material_alpha_blend(current_blend_mode);
} else {
//ms.m_pDerivedMesh->drawMappedFacesTex(ms.m_pDerivedMesh, CheckTexfaceDM, mcol);
current_blmat_nr = current_polymat->GetMaterialIndex();
current_image = current_polymat->GetBlenderImage();
ms.m_pDerivedMesh->drawFacesTex(ms.m_pDerivedMesh, CheckTexDM, NULL, NULL, DM_DRAW_USE_ACTIVE_UV);
}
return;
}
// iterate over display arrays, each containing an index + vertex array
for (ms.begin(it); !ms.end(it); ms.next(it)) {
RAS_TexVert *vertex;
size_t i, j, numvert;
numvert = it.array->m_type;
if (it.array->m_type == RAS_DisplayArray::LINE) {
// line drawing
glBegin(GL_LINES);
for (i = 0; i < it.totindex; i += 2)
{
vertex = &it.vertex[it.index[i]];
glVertex3fv(vertex->getXYZ());
vertex = &it.vertex[it.index[i+1]];
glVertex3fv(vertex->getXYZ());
}
glEnd();
}
else {
// triangle and quad drawing
if (it.array->m_type == RAS_DisplayArray::TRIANGLE)
glBegin(GL_TRIANGLES);
else
glBegin(GL_QUADS);
for (i = 0; i < it.totindex; i += numvert)
{
if (obcolor)
glColor4d(rgba[0], rgba[1], rgba[2], rgba[3]);
for (j = 0; j < numvert; j++) {
vertex = &it.vertex[it.index[i+j]];
if (!wireframe) {
if (!obcolor)
glColor4ubv((const GLubyte *)(vertex->getRGBA()));
glNormal3fv(vertex->getNormal());
if (multi)
TexCoord(*vertex);
else
glTexCoord2fv(vertex->getUV(0));
}
glVertex3fv(vertex->getXYZ());
}
}
glEnd();
}
}
}
