/*!****************************************************************************
@Function InitView
@Return bool true if no error occured
@Description Code in InitView() will be called by PVRShell upon
initialization or after a change in the rendering context.
Used to initialize variables that are dependant on the rendering
context (e.g. textures, vertex buffers, etc.)
******************************************************************************/
bool OGLESIntroducingPFX::InitView()
{
/*
Initialize Print3D
*/
bool bRotate = PVRShellGet(prefIsRotated) && PVRShellGet(prefFullScreen);
if(m_Print3D.SetTextures(0,PVRShellGet(prefWidth),PVRShellGet(prefHeight), bRotate) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot initialise Print3D\n");
return false;
}
// Sets the clear color
glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
// Enables depth test using the z-buffer
glEnable(GL_DEPTH_TEST);
/*
Loads the light direction from the scene.
*/
// We check the scene contains at least one
if (m_Scene.nNumLight == 0)
{
PVRShellSet(prefExitMessage, "ERROR: The scene does not contain a light\n");
return false;
}
/*
Load the effect file
*/
{
unsigned int nUnknownUniformCount;
CPVRTString error;
// Parse the file
m_pEffectParser = new CPVRTPFXParser;
if(m_pEffectParser->ParseFromFile(c_szPfxFile, &error) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, error.c_str());
return false;
}
// Load an effect from the file
m_pEffect = new CPVRTPFXEffect();
if(m_pEffect->Load(*m_pEffectParser, "Effect", c_szPfxFile, &error) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, error.c_str());
return false;
}
// Generate uniform array
if(m_pEffect->BuildUniformTable(
&m_psUniforms, &m_nUniformCnt, &nUnknownUniformCount,
c_psUniformSemantics, sizeof(c_psUniformSemantics) / sizeof(*c_psUniformSemantics),
&error) != PVR_SUCCESS)
{
PVRShellOutputDebug(error.c_str());
return false;
}
if(nUnknownUniformCount)
{
PVRShellOutputDebug(error.c_str());
PVRShellOutputDebug("Unknown uniform semantic count: %d\n", nUnknownUniformCount);
}
}
/*
Loads the textures.
For a more detailed explanation, see Texturing and IntroducingPVRTools
*/
{
const SPVRTPFXTexture *psTex;
unsigned int nCnt, i;
GLuint ui;
psTex = m_pEffect->GetTextureArray(nCnt);
for(i = 0; i < nCnt; ++i)
{
if(strcmp(psTex[i].p, "Reflection.pvr") == 0)
{
if(PVRTTextureLoadFromPVR(c_szReflectTexFile, &ui) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot load the texture\n");
return false;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
m_pEffect->SetTexture(i, ui);
}
else if (strcmp(psTex[i].p, "Basetex.pvr") == 0)
{
if(PVRTTextureLoadFromPVR(c_szBaseTexFile, &ui) != PVR_SUCCESS)
{
PVRShellSet(prefExitMessage, "ERROR: Cannot load the texture\n");
return false;
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
m_pEffect->SetTexture(i, ui);
}
else
{
PVRShellOutputDebug("Warning: effect file requested unrecognised texture: \"%s\"\n", psTex[i].p);
m_pEffect->SetTexture(i, 0);
}
}
}
// Create buffer objects.
m_aiVboID = new GLuint[m_Scene.nNumMeshNode];
glGenBuffers(m_Scene.nNumMeshNode, m_aiVboID);
for(int i = 0; i < (int)m_Scene.nNumMeshNode ; i++)
{
SPODNode* pNode = &m_Scene.pNode[i];
// Gets pMesh referenced by the pNode
SPODMesh* pMesh = &m_Scene.pMesh[pNode->nIdx];
// Generate a vertex buffer and set the interleaved vertex data.
glBindBuffer(GL_ARRAY_BUFFER, m_aiVboID[i]);
glBufferData(GL_ARRAY_BUFFER, pMesh->sVertex.nStride*pMesh->nNumVertex, pMesh->pInterleaved, GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
return true;
}
