lldrawpoolsimple.cpp

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#include "llviewerprecompiledheaders.h"

#include "lldrawpoolsimple.h"

#include "llviewercamera.h"
#include "llagent.h"
#include "lldrawable.h"
#include "llface.h"
#include "llsky.h"
#include "pipeline.h"
#include "llspatialpartition.h"
#include "llglslshader.h"
#include "llglimmediate.h"


static LLGLSLShader* simple_shader = NULL;
static LLGLSLShader* fullbright_shader = NULL;

void LLDrawPoolGlow::render(S32 pass)
{
        LLFastTimer t(LLFastTimer::FTM_RENDER_GLOW);
        LLGLEnable blend(GL_BLEND);
        LLGLDisable test(GL_ALPHA_TEST);
        gGL.blendFunc(GL_ONE, GL_ONE);
        
        U32 shader_level = LLShaderMgr::getVertexShaderLevel(LLShaderMgr::SHADER_OBJECT);

        if (shader_level > 0 && fullbright_shader)
        {
                fullbright_shader->bind();
        }
        else
        {
                gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
        }

        LLGLDepthTest depth(GL_TRUE, GL_FALSE);
        glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
        renderTexture(LLRenderPass::PASS_GLOW, getVertexDataMask());
        
        glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_FALSE);
        gGL.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        
        if (shader_level > 0 && fullbright_shader)
        {
                fullbright_shader->unbind();
        }
}

void LLDrawPoolGlow::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture)
{
        glColor4ubv(params.mGlowColor.mV);
        LLRenderPass::pushBatch(params, mask, texture);
}


LLDrawPoolSimple::LLDrawPoolSimple() :
        LLRenderPass(POOL_SIMPLE)
{
}

void LLDrawPoolSimple::prerender()
{
        mVertexShaderLevel = LLShaderMgr::getVertexShaderLevel(LLShaderMgr::SHADER_OBJECT);
}

void LLDrawPoolSimple::beginRenderPass(S32 pass)
{
        LLFastTimer t(LLFastTimer::FTM_RENDER_SIMPLE);

        if (LLPipeline::sUnderWaterRender)
        {
                simple_shader = &gObjectSimpleWaterProgram;
                fullbright_shader = &gObjectFullbrightWaterProgram;
        }
        else
        {
                simple_shader = &gObjectSimpleProgram;
                fullbright_shader = &gObjectFullbrightProgram;
        }

        if (mVertexShaderLevel > 0)
        {
                simple_shader->bind();
                simple_shader->uniform1f(LLShaderMgr::FULLBRIGHT, 0.f);
        }
        else 
        {
                // don't use shaders!
                if (gGLManager.mHasShaderObjects)
                {
                        glUseProgramObjectARB(0);
                }               
        }
}

void LLDrawPoolSimple::endRenderPass(S32 pass)
{
        LLFastTimer t(LLFastTimer::FTM_RENDER_SIMPLE);
        LLRenderPass::endRenderPass(pass);

        if (mVertexShaderLevel > 0){

                simple_shader->unbind();
        }
}

void LLDrawPoolSimple::render(S32 pass)
{
        LLGLDisable blend(GL_BLEND);
        LLGLState alpha_test(GL_ALPHA_TEST, gPipeline.canUseWindLightShadersOnObjects());
        glAlphaFunc(GL_GREATER, 0.5f);

        { //render simple
                LLFastTimer t(LLFastTimer::FTM_RENDER_SIMPLE);
                gPipeline.enableLightsDynamic();
                renderTexture(LLRenderPass::PASS_SIMPLE, getVertexDataMask());
        }

        {
                LLFastTimer t(LLFastTimer::FTM_RENDER_GRASS);
                LLGLEnable test(GL_ALPHA_TEST);
                LLGLEnable blend(GL_BLEND);
                gGL.blendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
                //render grass
                LLRenderPass::renderTexture(LLRenderPass::PASS_GRASS, getVertexDataMask());
        }                       

        { //render fullbright
                if (mVertexShaderLevel > 0)
                {
                        fullbright_shader->bind();
                        fullbright_shader->uniform1f(LLShaderMgr::FULLBRIGHT, 1.f);
                }
                else
                {
                        gPipeline.enableLightsFullbright(LLColor4(1,1,1,1));
                }
                LLFastTimer t(LLFastTimer::FTM_RENDER_FULLBRIGHT);
                U32 fullbright_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD | LLVertexBuffer::MAP_COLOR;
                renderTexture(LLRenderPass::PASS_FULLBRIGHT, fullbright_mask);
        }

        glAlphaFunc(GL_GREATER, 0.01f);
}

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