From bfdba01f2bc40a49231c5193ce08aae81889e0cc Mon Sep 17 00:00:00 2001
From: vlj <vljn@ovi.com>
Date: Sun, 30 Mar 2014 19:15:25 +0200
Subject: [PATCH] Expand HDR use.

---
 src/graphics/rtts.cpp | 45 +++++++++++++++----------------------------
 1 file changed, 16 insertions(+), 29 deletions(-)

diff --git a/src/graphics/rtts.cpp b/src/graphics/rtts.cpp
index 3860a7094..1904cb3b6 100644
--- a/src/graphics/rtts.cpp
+++ b/src/graphics/rtts.cpp
@@ -53,46 +53,33 @@ RTT::RTT()
     // Optionally, the collapse ones use a smaller format.
 
     bool stencil = true;
-    rtts[RTT_TMP1] = drv->addRenderTargetTexture(res, "rtt.tmp1", ECF_A8R8G8B8, stencil);
-    if(!rtts[RTT_TMP1])
-    {
-        // Work around for intel hd3000 cards :(
-        stencil = false;
-        rtts[RTT_TMP1] = drv->addRenderTargetTexture(res, "rtt.tmp1", ECF_A8R8G8B8, stencil);
-        Log::error("rtts", "Stencils for rtt not available, most likely a driver bug.");
-        if(UserConfigParams::m_pixel_shaders)
-        {
-            Log::error("rtts", "This requires pixel shaders to be disabled.");
-            UserConfigParams::m_pixel_shaders = false;
-        }
-        irr_driver->disableGLSL();
-    }
-    rtts[RTT_TMP2] = drv->addRenderTargetTexture(res, "rtt.tmp2", ECF_A8R8G8B8, stencil);
-    rtts[RTT_TMP3] = drv->addRenderTargetTexture(res, "rtt.tmp3", ECF_A8R8G8B8, stencil);
-    rtts[RTT_TMP4] = drv->addRenderTargetTexture(res, "rtt.tmp4", ECF_R8, stencil);
+    rtts[RTT_TMP1] = drv->addRenderTargetTexture(res, "rtt.tmp1", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_TMP2] = drv->addRenderTargetTexture(res, "rtt.tmp2", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_TMP3] = drv->addRenderTargetTexture(res, "rtt.tmp3", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_TMP4] = drv->addRenderTargetTexture(res, "rtt.tmp4", ECF_R16F, stencil);
     rtts[RTT_NORMAL_AND_DEPTH] = drv->addRenderTargetTexture(res, "rtt.normal_and_depth", ECF_G16R16F, stencil);
     rtts[RTT_COLOR] = drv->addRenderTargetTexture(res, "rtt.color", ECF_A16B16G16R16F, stencil);
 
-    rtts[RTT_HALF1] = drv->addRenderTargetTexture(half, "rtt.half1", ECF_A8R8G8B8, stencil);
-    rtts[RTT_HALF2] = drv->addRenderTargetTexture(half, "rtt.half2", ECF_A8R8G8B8, stencil);
+    rtts[RTT_HALF1] = drv->addRenderTargetTexture(half, "rtt.half1", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_HALF2] = drv->addRenderTargetTexture(half, "rtt.half2", ECF_A16B16G16R16F, stencil);
 
-    rtts[RTT_QUARTER1] = drv->addRenderTargetTexture(quarter, "rtt.q1", ECF_A8R8G8B8, stencil);
-    rtts[RTT_QUARTER2] = drv->addRenderTargetTexture(quarter, "rtt.q2", ECF_A8R8G8B8, stencil);
-    rtts[RTT_QUARTER3] = drv->addRenderTargetTexture(quarter, "rtt.q3", ECF_A8R8G8B8, stencil);
-    rtts[RTT_QUARTER4] = drv->addRenderTargetTexture(quarter, "rtt.q4", ECF_R8, stencil);
+    rtts[RTT_QUARTER1] = drv->addRenderTargetTexture(quarter, "rtt.q1", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_QUARTER2] = drv->addRenderTargetTexture(quarter, "rtt.q2", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_QUARTER3] = drv->addRenderTargetTexture(quarter, "rtt.q3", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_QUARTER4] = drv->addRenderTargetTexture(quarter, "rtt.q4", ECF_R16F, stencil);
 
-    rtts[RTT_EIGHTH1] = drv->addRenderTargetTexture(eighth, "rtt.e1", ECF_A8R8G8B8, stencil);
-    rtts[RTT_EIGHTH2] = drv->addRenderTargetTexture(eighth, "rtt.e2", ECF_A8R8G8B8, stencil);
+    rtts[RTT_EIGHTH1] = drv->addRenderTargetTexture(eighth, "rtt.e1", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_EIGHTH2] = drv->addRenderTargetTexture(eighth, "rtt.e2", ECF_A16B16G16R16F, stencil);
 
-    rtts[RTT_SIXTEENTH1] = drv->addRenderTargetTexture(sixteenth, "rtt.s1", ECF_A8R8G8B8, stencil);
-    rtts[RTT_SIXTEENTH2] = drv->addRenderTargetTexture(sixteenth, "rtt.s2", ECF_A8R8G8B8, stencil);
+    rtts[RTT_SIXTEENTH1] = drv->addRenderTargetTexture(sixteenth, "rtt.s1", ECF_A16B16G16R16F, stencil);
+    rtts[RTT_SIXTEENTH2] = drv->addRenderTargetTexture(sixteenth, "rtt.s2", ECF_A16B16G16R16F, stencil);
 
-    rtts[RTT_SSAO] = drv->addRenderTargetTexture(ssaosize, "rtt.ssao", ECF_R8, stencil);
+    rtts[RTT_SSAO] = drv->addRenderTargetTexture(ssaosize, "rtt.ssao", ECF_R16F, stencil);
 
     rtts[RTT_WARPV] = drv->addRenderTargetTexture(warpvsize, "rtt.warpv", ECF_A8R8G8B8, stencil);
     rtts[RTT_WARPH] = drv->addRenderTargetTexture(warphsize, "rtt.warph", ECF_A8R8G8B8, stencil);
 
-    rtts[RTT_DISPLACE] = drv->addRenderTargetTexture(res, "rtt.displace", ECF_A8R8G8B8, stencil);
+    rtts[RTT_DISPLACE] = drv->addRenderTargetTexture(res, "rtt.displace", ECF_A16B16G16R16F, stencil);
 
     if (((COpenGLDriver *) drv)->queryOpenGLFeature(COpenGLDriver::IRR_ARB_texture_rg))
     {