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Continued refactoring for multiple light support in forward rendering

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%40158
This commit is contained in:
kearwood
2012-11-16 02:58:23 +00:00
parent 3b352511dc
commit c30c9725e9
25 changed files with 256 additions and 175 deletions
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51
KREngine/KREngine/Classes/KRLight.cpp
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@@ -29,12 +29,16 @@ KRLight::KRLight(KRScene &scene, std::string name) : KRNode(scene, name)
m_flareTexture = "";
m_pFlareTexture = NULL;
m_flareSize = 0.0;
m_casts_shadow = true;
m_light_shafts = true;
// Initialize shadow buffers
m_cShadowBuffers = 0;
memset(shadowFramebuffer, sizeof(GLuint) * KRENGINE_MAX_SHADOW_BUFFERS, 0);
memset(shadowDepthTexture, sizeof(GLuint) * KRENGINE_MAX_SHADOW_BUFFERS, 0);
memset(shadowValid, sizeof(bool) * KRENGINE_MAX_SHADOW_BUFFERS, 0);
for(int iBuffer=0; iBuffer < KRENGINE_MAX_SHADOW_BUFFERS; iBuffer++) {
shadowFramebuffer[iBuffer] = 0;
shadowDepthTexture[iBuffer] = 0;
shadowValid[iBuffer] = false;
}
}
KRLight::~KRLight()
@@ -52,6 +56,8 @@ tinyxml2::XMLElement *KRLight::saveXML( tinyxml2::XMLNode *parent)
e->SetAttribute("decay_start", m_decayStart);
e->SetAttribute("flare_size", m_flareSize);
e->SetAttribute("flare_texture", m_flareTexture.c_str());
e->SetAttribute("casts_shadow", m_casts_shadow ? "true" : "false");
e->SetAttribute("light_shafts", m_light_shafts ? "true" : "false");
return e;
}
@@ -81,6 +87,14 @@ void KRLight::loadXML(tinyxml2::XMLElement *e) {
m_flareSize = 0.0;
}
if(e->QueryBoolAttribute("casts_shadow", &m_casts_shadow) != tinyxml2::XML_SUCCESS) {
m_casts_shadow = true;
}
if(e->QueryBoolAttribute("light_shafts", &m_light_shafts) != tinyxml2::XML_SUCCESS) {
m_light_shafts = true;
}
const char *szFlareTexture = e->Attribute("flare_texture");
if(szFlareTexture) {
m_flareTexture = szFlareTexture;
@@ -124,25 +138,25 @@ float KRLight::getDecayStart() {
#if TARGET_OS_IPHONE
void KRLight::render(KRCamera *pCamera, std::stack<KRLight *> &lights, const KRViewport &viewport, KRNode::RenderPass renderPass) {
void KRLight::render(KRCamera *pCamera, std::vector<KRLight *> &lights, const KRViewport &viewport, KRNode::RenderPass renderPass) {
KRNode::render(pCamera, lights, viewport, renderPass);
if(renderPass == KRNode::RENDER_PASS_GENERATE_SHADOWMAPS) {
if(renderPass == KRNode::RENDER_PASS_GENERATE_SHADOWMAPS && (pCamera->volumetric_environment_enable || (pCamera->m_cShadowBuffers > 0 && m_casts_shadow))) {
allocateShadowBuffers(configureShadowBufferViewports(viewport));
renderShadowBuffers(pCamera);
}
if(renderPass == KRNode::RENDER_PASS_VOLUMETRIC_EFFECTS_ADDITIVE) {
if(renderPass == KRNode::RENDER_PASS_VOLUMETRIC_EFFECTS_ADDITIVE && pCamera->volumetric_environment_enable && m_light_shafts) {
std::string shader_name = pCamera->volumetric_environment_downsample != 0 ? "volumetric_fog_downsampled" : "volumetric_fog";
std::stack<KRLight *> this_light;
this_light.push(this);
std::vector<KRLight *> this_light;
this_light.push_back(this);
KRShader *pFogShader = m_pContext->getShaderManager()->getShader(shader_name, pCamera, this_light, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, KRNode::RENDER_PASS_ADDITIVE_PARTICLES);
if(getContext().getShaderManager()->selectShader(pFogShader, viewport, KRMat4(), std::stack<KRLight *>(), KRNode::RENDER_PASS_VOLUMETRIC_EFFECTS_ADDITIVE)) {
if(getContext().getShaderManager()->selectShader(pFogShader, viewport, KRMat4(), this_light, KRNode::RENDER_PASS_VOLUMETRIC_EFFECTS_ADDITIVE)) {
int slice_count = (int)(pCamera->volumetric_environment_quality * 495.0) + 5;
float slice_near = -pCamera->getPerspectiveNearZ();
@@ -275,9 +289,9 @@ void KRLight::renderShadowBuffers(KRCamera *pCamera)
GLDEBUG(glDisable(GL_BLEND));
// Use shader program
KRShader *shadowShader = m_pContext->getShaderManager()->getShader("ShadowShader", pCamera, std::stack<KRLight *>(), false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, KRNode::RENDER_PASS_FORWARD_TRANSPARENT);
KRShader *shadowShader = m_pContext->getShaderManager()->getShader("ShadowShader", pCamera, std::vector<KRLight *>(), false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, KRNode::RENDER_PASS_FORWARD_TRANSPARENT);
getContext().getShaderManager()->selectShader(shadowShader, m_shadowViewports[iShadow], KRMat4(), std::stack<KRLight *>(), KRNode::RENDER_PASS_SHADOWMAP);
getContext().getShaderManager()->selectShader(shadowShader, m_shadowViewports[iShadow], KRMat4(), std::vector<KRLight *>(), KRNode::RENDER_PASS_SHADOWMAP);
std::set<KRAABB> newVisibleBounds;
@@ -288,3 +302,18 @@ void KRLight::renderShadowBuffers(KRCamera *pCamera)
}
#endif
int KRLight::getShadowBufferCount()
{
return m_cShadowBuffers;
}
GLuint *KRLight::getShadowTextures()
{
return shadowDepthTexture;
}
KRViewport *KRLight::getShadowViewports()
{
return m_shadowViewports;
}