void LLDrawPoolTerrain::render(S32 pass)
{
LLFastTimer t(FTM_RENDER_TERRAIN);
if (mDrawFace.empty())
{
return;
}
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
for (S32 i = 0; i < 4; i++)
{
compp->mDetailTextures[i]->setBoostLevel(LLViewerTexture::BOOST_TERRAIN);
compp->mDetailTextures[i]->addTextureStats(1024.f*1024.f); // assume large pixel area
}
if (!gGLManager.mHasMultitexture)
{
// No multitexture, render simple land.
renderSimple(); // Render without multitexture
return;
}
// Render simplified land if video card can't do sufficient multitexturing
if (!gGLManager.mHasARBEnvCombine || (gGLManager.mNumTextureUnits < 2))
{
renderSimple(); // Render without multitexture
return;
}
LLGLSPipeline gls;
LLOverrideFaceColor override(this, 1.f, 1.f, 1.f, 1.f);
if (mVertexShaderLevel > 1 && sShader->mShaderLevel > 0)
{
gPipeline.enableLightsDynamic();
renderFullShader();
}
else
{
gPipeline.enableLightsStatic();
if (sDetailMode == 0){
renderSimple();
} else if (gGLManager.mNumTextureUnits < 4){
renderFull2TU();
} else {
renderFull4TU();
}
}
// Special-case for land ownership feedback
if (gSavedSettings.getBOOL("ShowParcelOwners"))
{
if (mVertexShaderLevel > 1)
{ //use fullbright shader for highlighting
LLGLSLShader* old_shader = sShader;
sShader->unbind();
sShader = &gObjectFullbrightNonIndexedProgram;
sShader->bind();
LLGLEnable polyOffset(GL_POLYGON_OFFSET_FILL);
glPolygonOffset(-1.0f, -1.0f);
renderOwnership();
sShader = old_shader;
sShader->bind();
}
else
{
gPipeline.disableLights();
renderOwnership();
}
}
}
void LLDrawPoolTerrain::renderFull2TU()
{
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
LLViewerImage *detail_texture0p = compp->mDetailTextures[0];
LLViewerImage *detail_texture1p = compp->mDetailTextures[1];
LLViewerImage *detail_texture2p = compp->mDetailTextures[2];
LLViewerImage *detail_texture3p = compp->mDetailTextures[3];
LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal();
F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale;
F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale;
LLVector4 tp0, tp1;
tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x);
tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y);
gGL.blendFunc(LLRender::BF_ONE_MINUS_SOURCE_ALPHA, LLRender::BF_SOURCE_ALPHA);
//----------------------------------------------------------------------------
// Pass 1/4
//
// Stage 0: Render detail 0 into base
//
gGL.getTexUnit(0)->bind(detail_texture0p);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
drawLoop();
//----------------------------------------------------------------------------
// Pass 2/4
//
// Stage 0: Generate alpha ramp for detail0/detail1 transition
//
gGL.getTexUnit(0)->bind(m2DAlphaRampImagep.get());
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
// Care about alpha only
gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_COLOR);
gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
//
// Stage 1: Write detail1
//
gGL.getTexUnit(1)->bind(detail_texture1p);
gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->activate();
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA);
gGL.getTexUnit(0)->activate();
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
//----------------------------------------------------------------------------
// Pass 3/4
//
// Stage 0: Generate alpha ramp for detail1/detail2 transition
//
gGL.getTexUnit(0)->bind(m2DAlphaRampImagep.get());
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-1.f, 0.f, 0.f);
// Care about alpha only
gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_COLOR);
gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
//
// Stage 1: Write detail2
//
gGL.getTexUnit(1)->bind(detail_texture2p);
gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->activate();
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA);
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
//----------------------------------------------------------------------------
// Pass 4/4
//
// Stage 0: Generate alpha ramp for detail2/detail3 transition
//
gGL.getTexUnit(0)->activate();
gGL.getTexUnit(0)->bind(m2DAlphaRampImagep.get());
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-2.f, 0.f, 0.f);
// Care about alpha only
gGL.getTexUnit(0)->setTextureColorBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_COLOR);
gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_TEX_ALPHA);
// Stage 1: Write detail3
gGL.getTexUnit(1)->bind(detail_texture3p);
gGL.getTexUnit(1)->enable(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->activate();
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
gGL.getTexUnit(1)->setTextureColorBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_COLOR, LLTexUnit::TBS_VERT_COLOR);
gGL.getTexUnit(1)->setTextureAlphaBlend(LLTexUnit::TBO_REPLACE, LLTexUnit::TBS_PREV_ALPHA);
gGL.getTexUnit(0)->activate();
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
// Restore blend state
gGL.setSceneBlendType(LLRender::BT_ALPHA);
// Disable multitexture
gGL.getTexUnit(1)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->disable();
gGL.getTexUnit(1)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
//----------------------------------------------------------------------------
// Restore Texture Unit 0 defaults
gGL.getTexUnit(0)->activate();
gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
gGL.getTexUnit(0)->setTextureBlendType(LLTexUnit::TB_MULT);
}
void LLDrawPoolTerrain::renderFullShader()
{
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
LLViewerImage *detail_texture0p = compp->mDetailTextures[0];
LLViewerImage *detail_texture1p = compp->mDetailTextures[1];
LLViewerImage *detail_texture2p = compp->mDetailTextures[2];
LLViewerImage *detail_texture3p = compp->mDetailTextures[3];
LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal();
F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale;
F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale;
LLVector4 tp0, tp1;
tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x);
tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y);
//
// detail texture 0
//
S32 detail0 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL0);
gGL.getTexUnit(detail0)->bind(detail_texture0p);
gGL.getTexUnit(0)->activate();
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
//
// detail texture 1
//
S32 detail1 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL1);
gGL.getTexUnit(detail1)->bind(detail_texture1p);
/// ALPHA TEXTURE COORDS 0:
gGL.getTexUnit(1)->activate();
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
// detail texture 2
//
S32 detail2 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL2);
gGL.getTexUnit(detail2)->bind(detail_texture2p);
gGL.getTexUnit(2)->activate();
/// ALPHA TEXTURE COORDS 1:
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-2.f, 0.f, 0.f);
glMatrixMode(GL_MODELVIEW);
//
// detail texture 3
//
S32 detail3 = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_DETAIL3);
gGL.getTexUnit(detail3)->bind(detail_texture3p);
/// ALPHA TEXTURE COORDS 2:
gGL.getTexUnit(3)->activate();
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-1.f, 0.f, 0.f);
glMatrixMode(GL_MODELVIEW);
//
// Alpha Ramp
//
S32 alpha_ramp = sShader->enableTexture(LLViewerShaderMgr::TERRAIN_ALPHARAMP);
gGL.getTexUnit(alpha_ramp)->bind(m2DAlphaRampImagep.get());
// GL_BLEND disabled by default
drawLoop();
// Disable multitexture
sShader->disableTexture(LLViewerShaderMgr::TERRAIN_ALPHARAMP);
sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL0);
sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL1);
sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL2);
sShader->disableTexture(LLViewerShaderMgr::TERRAIN_DETAIL3);
gGL.getTexUnit(alpha_ramp)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(4)->disable();
gGL.getTexUnit(4)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
gGL.getTexUnit(detail3)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(3)->disable();
gGL.getTexUnit(3)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
gGL.getTexUnit(detail2)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(2)->disable();
gGL.getTexUnit(2)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
gGL.getTexUnit(detail1)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(1)->disable();
gGL.getTexUnit(1)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
//----------------------------------------------------------------------------
// Restore Texture Unit 0 defaults
gGL.getTexUnit(detail0)->unbind(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(0)->enable(LLTexUnit::TT_TEXTURE);
gGL.getTexUnit(0)->activate();
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
}
void LLDrawPoolTerrain::renderFull2TU()
{
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
LLViewerImage *detail_texture0p = compp->mDetailTextures[0];
LLViewerImage *detail_texture1p = compp->mDetailTextures[1];
LLViewerImage *detail_texture2p = compp->mDetailTextures[2];
LLViewerImage *detail_texture3p = compp->mDetailTextures[3];
LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal();
F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale;
F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale;
LLVector4 tp0, tp1;
tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x);
tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y);
glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
//----------------------------------------------------------------------------
// Pass 1/4
//
// Stage 0: Render detail 0 into base
//
LLViewerImage::bindTexture(detail_texture0p,0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
drawLoop();
//----------------------------------------------------------------------------
// Pass 2/4
//
// Stage 0: Generate alpha ramp for detail0/detail1 transition
//
LLViewerImage::bindTexture(m2DAlphaRampImagep,0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Care about alpha only
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
//
// Stage 1: Write detail1
//
LLViewerImage::bindTexture(detail_texture1p,1); // Texture unit 1
glEnable(GL_TEXTURE_2D); // Texture unit 1
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
//----------------------------------------------------------------------------
// Pass 3/4
//
// Stage 0: Generate alpha ramp for detail1/detail2 transition
//
LLViewerImage::bindTexture(m2DAlphaRampImagep,0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-1.f, 0.f, 0.f);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Care about alpha only
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
//
// Stage 1: Write detail2
//
LLViewerImage::bindTexture(detail_texture2p,1);
glEnable(GL_TEXTURE_2D); // Texture unit 1
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
//----------------------------------------------------------------------------
// Pass 4/4
//
// Stage 0: Generate alpha ramp for detail2/detail3 transition
//
LLViewerImage::bindTexture(m2DAlphaRampImagep,0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-2.f, 0.f, 0.f);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Care about alpha only
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
// Stage 1: Write detail3
LLViewerImage::bindTexture(detail_texture3p,1);
glEnable(GL_TEXTURE_2D); // Texture unit 1
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
// Restore blend state
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Disable multitexture
LLImageGL::unbindTexture(1, GL_TEXTURE_2D);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D); // Texture unit 1
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
//----------------------------------------------------------------------------
// Restore Texture Unit 0 defaults
LLImageGL::unbindTexture(0, GL_TEXTURE_2D);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
// Restore non Texture Unit specific defaults
glDisableClientState(GL_NORMAL_ARRAY);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
void LLDrawPoolTerrain::renderFull4TUShader()
{
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
if (gPipeline.getLightingDetail() >= 2)
{
glEnableClientState(GL_COLOR_ARRAY);
}
glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
LLViewerImage *detail_texture0p = compp->mDetailTextures[0];
LLViewerImage *detail_texture1p = compp->mDetailTextures[1];
LLViewerImage *detail_texture2p = compp->mDetailTextures[2];
LLViewerImage *detail_texture3p = compp->mDetailTextures[3];
static F32 dp = 0.f;
static LLFrameTimer timer;
dp += timer.getElapsedTimeAndResetF32();
LLVector3d region_origin_global = gAgent.getRegion()->getOriginGlobal();
F32 offset_x = (F32)fmod(region_origin_global.mdV[VX], 1.0/(F64)sDetailScale)*sDetailScale;
F32 offset_y = (F32)fmod(region_origin_global.mdV[VY], 1.0/(F64)sDetailScale)*sDetailScale;
LLVector4 tp0, tp1;
tp0.setVec(sDetailScale, 0.0f, 0.0f, offset_x);
tp1.setVec(0.0f, sDetailScale, 0.0f, offset_y);
//----------------------------------------------------------------------------
// Pass 1/1
//
// Stage 0: detail texture 0
//
S32 detailTex0 = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_DETAIL0);
S32 detailTex1 = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_DETAIL1);
S32 rampTex = gTerrainProgram.enableTexture(LLShaderMgr::TERRAIN_ALPHARAMP);
LLViewerImage::bindTexture(detail_texture0p,detailTex0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
//
// Stage 1: Generate alpha ramp for detail0/detail1 transition
//
LLViewerImage::bindTexture(m2DAlphaRampImagep,rampTex);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
//
// Stage 2: Interpolate detail1 with existing based on ramp
//
LLViewerImage::bindTexture(detail_texture1p,detailTex1);
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
//
// Stage 3: Modulate with primary color for lighting
//
//LLViewerImage::bindTexture(detail_texture1p,3); // bind any texture
//glEnable(GL_TEXTURE_2D); // Texture unit 3
glClientActiveTextureARB(GL_TEXTURE3_ARB);
glActiveTextureARB(GL_TEXTURE3_ARB);
// GL_BLEND disabled by default
drawLoop();
//----------------------------------------------------------------------------
// Second pass
//
// Stage 0: Write detail3 into base
//
LLViewerImage::bindTexture(detail_texture2p,detailTex0);
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
//
// Stage 1: Generate alpha ramp for detail2/detail3 transition
//
LLViewerImage::bindTexture(m2DAlphaRampImagep,rampTex);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glActiveTextureARB(GL_TEXTURE1_ARB);
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-2.f, 0.f, 0.f);
//
// Stage 2: Interpolate detail2 with existing based on ramp
//
LLViewerImage::bindTexture(detail_texture3p,detailTex1);
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
glTexGenfv(GL_S, GL_OBJECT_PLANE, tp0.mV);
glTexGenfv(GL_T, GL_OBJECT_PLANE, tp1.mV);
//
// Stage 3: Generate alpha ramp for detail1/detail2 transition
//
//LLViewerImage::bindTexture(m2DAlphaRampImagep,3);
//glEnable(GL_TEXTURE_2D); // Texture unit 3
glClientActiveTextureARB(GL_TEXTURE3_ARB);
glActiveTextureARB(GL_TEXTURE3_ARB);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// Set the texture matrix
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glTranslatef(-1.f, 0.f, 0.f);
{
LLGLEnable blend(GL_BLEND);
drawLoop();
}
// Disable multitexture
gTerrainProgram.disableTexture(LLShaderMgr::TERRAIN_ALPHARAMP);
gTerrainProgram.disableTexture(LLShaderMgr::TERRAIN_DETAIL0);
gTerrainProgram.disableTexture(LLShaderMgr::TERRAIN_DETAIL1);
glClientActiveTextureARB(GL_TEXTURE3_ARB);
glActiveTextureARB(GL_TEXTURE3_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glClientActiveTextureARB(GL_TEXTURE2_ARB);
glActiveTextureARB(GL_TEXTURE2_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glClientActiveTextureARB(GL_TEXTURE1_ARB);
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
// Restore blend state
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//----------------------------------------------------------------------------
// Restore Texture Unit 0 defaults
glClientActiveTextureARB(GL_TEXTURE0_ARB);
glActiveTextureARB(GL_TEXTURE0_ARB);
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
glEnable(GL_TEXTURE_2D);
glMatrixMode(GL_TEXTURE);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
// Restore non Texture Unit specific defaults
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
void LLDrawPoolTerrain::render(S32 pass)
{
LLFastTimer t(LLFastTimer::FTM_RENDER_TERRAIN);
if (mDrawFace.empty())
{
return;
}
// Hack! Get the region that this draw pool is rendering from!
LLViewerRegion *regionp = mDrawFace[0]->getDrawable()->getVObj()->getRegion();
LLVLComposition *compp = regionp->getComposition();
for (S32 i = 0; i < 4; i++)
{
compp->mDetailTextures[i]->setBoostLevel(LLViewerImage::BOOST_TERRAIN);
compp->mDetailTextures[i]->addTextureStats(1024.f*1024.f); // assume large pixel area
}
if (!gGLManager.mHasMultitexture)
{
// No mulititexture, render simple land.
renderSimple(); // Render without multitexture
return;
}
// Render simplified land if video card can't do sufficient multitexturing
if (!gGLManager.mHasARBEnvCombine || (gGLManager.mNumTextureUnits < 2))
{
renderSimple(); // Render without multitexture
return;
}
LLGLSPipeline gls;
LLOverrideFaceColor override(this, 1.f, 1.f, 1.f, 1.f);
if (mVertexShaderLevel > 0)
{
gPipeline.enableLightsDynamic(1.f);
renderFull4TUShader();
}
else
{
gPipeline.enableLightsStatic(1.f);
switch (sDetailMode)
{
case 0:
renderSimple();
break;
default:
if (gGLManager.mNumTextureUnits < 4)
{
renderFull2TU();
}
else
{
renderFull4TU();
}
break;
}
}
// Special-case for land ownership feedback
if (gSavedSettings.getBOOL("ShowParcelOwners"))
{
gPipeline.disableLights();
if ((mVertexShaderLevel > 0))
{
gHighlightProgram.bind();
gHighlightProgram.vertexAttrib4f(LLShaderMgr::MATERIAL_COLOR,1,1,1,1);
renderOwnership();
gTerrainProgram.bind();
}
else
{
renderOwnership();
}
}
}
