From e82c0561fa5fa157efec445362b09360346ed382 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Fri, 4 Nov 2011 16:14:43 -0500
Subject: [PATCH] SH-2652 Faster depth of field
---
indra/llrender/llvertexbuffer.cpp | 22 +++-
indra/newview/app_settings/settings.xml | 2 +-
.../shaders/class1/deferred/cofF.glsl | 86 ++++++++++++++
.../class1/deferred/postDeferredF.glsl | 76 ++-----------
indra/newview/llviewershadermgr.cpp | 12 ++
indra/newview/llviewershadermgr.h | 1 +
indra/newview/pipeline.cpp | 107 ++++++++++++++----
7 files changed, 211 insertions(+), 95 deletions(-)
create mode 100644 indra/newview/app_settings/shaders/class1/deferred/cofF.glsl
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 7f73977010..b426421f88 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -938,7 +938,7 @@ void LLVertexBuffer::releaseIndices()
{
sStreamIBOPool.release(mGLIndices, mMappedIndexData, mIndicesSize);
}
- else if (mUsage == GL_DYNAMIC_DRAW_ARB)
+ else
{
sDynamicIBOPool.release(mGLIndices, mMappedIndexData, mIndicesSize);
}
@@ -1122,6 +1122,8 @@ void LLVertexBuffer::allocateBuffer(S32 nverts, S32 nindices, bool create)
}
}
+static LLFastTimer::DeclareTimer FTM_SETUP_VERTEX_ARRAY("Setup VAO");
+
void LLVertexBuffer::setupVertexArray()
{
if (!mGLArray)
@@ -1129,6 +1131,7 @@ void LLVertexBuffer::setupVertexArray()
return;
}
+ LLFastTimer t(FTM_SETUP_VERTEX_ARRAY);
#if GL_ARB_vertex_array_object
glBindVertexArray(mGLArray);
#endif
@@ -1201,6 +1204,9 @@ void LLVertexBuffer::setupVertexArray()
}
}
+ //draw a dummy triangle to set index array pointer
+ //glDrawElements(GL_TRIANGLES, 0, GL_UNSIGNED_SHORT, NULL);
+
unbind();
}
@@ -1843,14 +1849,18 @@ bool LLVertexBuffer::getClothWeightStrider(LLStrider<LLVector4>& strider, S32 in
//----------------------------------------------------------------------------
+static LLFastTimer::DeclareTimer FTM_BIND_GL_ARRAY("Bind Array");
bool LLVertexBuffer::bindGLArray()
{
if (mGLArray && sGLRenderArray != mGLArray)
{
+ {
+ LLFastTimer t(FTM_BIND_GL_ARRAY);
#if GL_ARB_vertex_array_object
- glBindVertexArray(mGLArray);
+ glBindVertexArray(mGLArray);
#endif
- sGLRenderArray = mGLArray;
+ sGLRenderArray = mGLArray;
+ }
//really shouldn't be necessary, but some drivers don't properly restore the
//state of GL_ELEMENT_ARRAY_BUFFER_BINDING
@@ -1862,6 +1872,8 @@ bool LLVertexBuffer::bindGLArray()
return false;
}
+static LLFastTimer::DeclareTimer FTM_BIND_GL_BUFFER("Bind Buffer");
+
bool LLVertexBuffer::bindGLBuffer(bool force_bind)
{
bindGLArray();
@@ -1870,6 +1882,7 @@ bool LLVertexBuffer::bindGLBuffer(bool force_bind)
if (useVBOs() && (force_bind || (mGLBuffer && (mGLBuffer != sGLRenderBuffer || !sVBOActive))))
{
+ LLFastTimer t(FTM_BIND_GL_BUFFER);
/*if (sMapped)
{
llerrs << "VBO bound while another VBO mapped!" << llendl;
@@ -1891,6 +1904,8 @@ bool LLVertexBuffer::bindGLBuffer(bool force_bind)
return ret;
}
+static LLFastTimer::DeclareTimer FTM_BIND_GL_INDICES("Bind Indices");
+
bool LLVertexBuffer::bindGLIndices(bool force_bind)
{
bindGLArray();
@@ -1898,6 +1913,7 @@ bool LLVertexBuffer::bindGLIndices(bool force_bind)
bool ret = false;
if (useVBOs() && (force_bind || (mGLIndices && (mGLIndices != sGLRenderIndices || !sIBOActive))))
{
+ LLFastTimer t(FTM_BIND_GL_INDICES);
/*if (sMapped)
{
llerrs << "VBO bound while another VBO mapped!" << llendl;
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 53ba005b8a..fb73ddf219 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -9054,7 +9054,7 @@
<key>Type</key>
<string>Boolean</string>
<key>Value</key>
- <integer>1</integer>
+ <integer>0</integer>
</map>
<key>RenderVBOMappingDisable</key>
<map>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl
new file mode 100644
index 0000000000..81f00f7d0f
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/cofF.glsl
@@ -0,0 +1,86 @@
+/**
+ * @file cofF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 gl_FragColor;
+#endif
+
+uniform sampler2DRect diffuseRect;
+uniform sampler2DRect depthMap;
+uniform sampler2D bloomMap;
+
+uniform float depth_cutoff;
+uniform float norm_cutoff;
+uniform float focal_distance;
+uniform float blur_constant;
+uniform float tan_pixel_angle;
+uniform float magnification;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+
+VARYING vec2 vary_fragcoord;
+
+float getDepth(vec2 pos_screen)
+{
+ float z = texture2DRect(depthMap, pos_screen.xy).r;
+ z = z*2.0-1.0;
+ vec4 ndc = vec4(0.0, 0.0, z, 1.0);
+ vec4 p = inv_proj*ndc;
+ return p.z/p.w;
+}
+
+float calc_cof(float depth)
+{
+ float sc = abs(depth-focal_distance)/-depth*blur_constant;
+
+ sc /= magnification;
+
+ // tan_pixel_angle = pixel_length/-depth;
+ float pixel_length = tan_pixel_angle*-focal_distance;
+
+ sc = sc/pixel_length;
+ sc *= 1.414;
+
+ return sc;
+}
+
+void main()
+{
+ vec2 tc = vary_fragcoord.xy;
+
+ float depth = getDepth(tc);
+
+ vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
+
+ float sc = calc_cof(depth);
+ sc = min(abs(sc), 10.0);
+
+ vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res);
+ gl_FragColor.rgb = diff.rgb + bloom.rgb;
+ gl_FragColor.a = sc/10.f;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 985f44fb6c..f684e25df8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -30,13 +30,7 @@ out vec4 gl_FragColor;
#endif
uniform sampler2DRect diffuseRect;
-uniform sampler2DRect edgeMap;
-uniform sampler2DRect depthMap;
-uniform sampler2DRect normalMap;
-uniform sampler2D bloomMap;
-uniform float depth_cutoff;
-uniform float norm_cutoff;
uniform float focal_distance;
uniform float blur_constant;
uniform float tan_pixel_angle;
@@ -47,59 +41,16 @@ uniform vec2 screen_res;
VARYING vec2 vary_fragcoord;
-float getDepth(vec2 pos_screen)
+void dofSample(inout vec4 diff, inout float w, float min_sc, vec2 tc)
{
- float z = texture2DRect(depthMap, pos_screen.xy).r;
- z = z*2.0-1.0;
- vec4 ndc = vec4(0.0, 0.0, z, 1.0);
- vec4 p = inv_proj*ndc;
- return p.z/p.w;
-}
-
-float calc_cof(float depth)
-{
- float sc = abs(depth-focal_distance)/-depth*blur_constant;
-
- sc /= magnification;
-
- // tan_pixel_angle = pixel_length/-depth;
- float pixel_length = tan_pixel_angle*-focal_distance;
-
- sc = sc/pixel_length;
- sc *= 1.414;
-
- return sc;
-}
-
-void dofSampleNear(inout vec4 diff, inout float w, float cur_sc, vec2 tc)
-{
- float d = getDepth(tc);
-
- float sc = calc_cof(d);
-
- float wg = 0.25;
-
vec4 s = texture2DRect(diffuseRect, tc);
- // de-weight dull areas to make highlights 'pop'
- wg += s.r+s.g+s.b;
-
- diff += wg*s;
-
- w += wg;
-}
-void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, vec2 tc)
-{
- float d = getDepth(tc);
-
- float sc = calc_cof(d);
-
- if (sc > min_sc //sampled pixel is more "out of focus" than current sample radius
- || d < cur_depth) //sampled pixel is further away than current pixel
+ float sc = s.a*10.0;
+
+ if (sc > min_sc) //sampled pixel is more "out of focus" than current sample radius
{
float wg = 0.25;
- vec4 s = texture2DRect(diffuseRect, tc);
// de-weight dull areas to make highlights 'pop'
wg += s.r+s.g+s.b;
@@ -109,30 +60,20 @@ void dofSample(inout vec4 diff, inout float w, float min_sc, float cur_depth, ve
}
}
-
void main()
{
- vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz;
- norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
-
vec2 tc = vary_fragcoord.xy;
- float depth = getDepth(tc);
-
vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
{
float w = 1.0;
- float sc = calc_cof(depth);
- sc = min(abs(sc), 10.0);
-
- float fd = depth*0.5f;
-
+ float sc = diff.a*10.0;
+
float PI = 3.14159265358979323846264;
// sample quite uniformly spaced points within a circle, for a circular 'bokeh'
- //if (depth < focal_distance)
{
while (sc > 0.5)
{
@@ -143,7 +84,7 @@ void main()
float samp_x = sc*sin(ang);
float samp_y = sc*cos(ang);
// you could test sample coords against an interesting non-circular aperture shape here, if desired.
- dofSample(diff, w, sc, depth, vary_fragcoord.xy + vec2(samp_x,samp_y));
+ dofSample(diff, w, sc, vary_fragcoord.xy + vec2(samp_x,samp_y));
}
sc -= 1.0;
}
@@ -152,6 +93,5 @@ void main()
diff /= w;
}
- vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res);
- gl_FragColor = diff + bloom;
+ gl_FragColor = diff;
}
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 108f008f58..8118d32dc4 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -186,6 +186,7 @@ LLGLSLShader gDeferredAvatarEyesProgram;
LLGLSLShader gDeferredFullbrightProgram;
LLGLSLShader gDeferredEmissiveProgram;
LLGLSLShader gDeferredPostProgram;
+LLGLSLShader gDeferredCoFProgram;
LLGLSLShader gFXAAProgram;
LLGLSLShader gDeferredPostNoDoFProgram;
LLGLSLShader gDeferredWLSkyProgram;
@@ -1013,6 +1014,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredEmissiveProgram.unload();
gDeferredAvatarEyesProgram.unload();
gDeferredPostProgram.unload();
+ gDeferredCoFProgram.unload();
gFXAAProgram.unload();
gDeferredWaterProgram.unload();
gDeferredWLSkyProgram.unload();
@@ -1425,6 +1427,16 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
success = gDeferredPostProgram.createShader(NULL, NULL);
}
+ if (success)
+ {
+ gDeferredCoFProgram.mName = "Deferred CoF Shader";
+ gDeferredCoFProgram.mShaderFiles.clear();
+ gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
+ gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/cofF.glsl", GL_FRAGMENT_SHADER_ARB));
+ gDeferredCoFProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+ success = gDeferredCoFProgram.createShader(NULL, NULL);
+ }
+
if (success)
{
gDeferredPostNoDoFProgram.mName = "Deferred Post Shader";
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 3f670dfb14..f746d3f115 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -330,6 +330,7 @@ extern LLGLSLShader gDeferredSoftenProgram;
extern LLGLSLShader gDeferredShadowProgram;
extern LLGLSLShader gDeferredShadowAlphaMaskProgram;
extern LLGLSLShader gDeferredPostProgram;
+extern LLGLSLShader gDeferredCoFProgram;
extern LLGLSLShader gFXAAProgram;
extern LLGLSLShader gDeferredPostNoDoFProgram;
extern LLGLSLShader gDeferredAvatarShadowProgram;
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 152f4728dd..85899b5ad6 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -443,7 +443,7 @@ void LLPipeline::init()
sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
- LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseVAO");
+ LLVertexBuffer::sUseVAO = gSavedSettings.getBOOL("RenderUseVAO");
LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");
sRenderAttachedLights = gSavedSettings.getBOOL("RenderAttachedLights");
sRenderAttachedParticles = gSavedSettings.getBOOL("RenderAttachedParticles");
@@ -6136,7 +6136,7 @@ void LLPipeline::resetVertexBuffers()
sRenderBump = gSavedSettings.getBOOL("RenderObjectBump");
sUseTriStrips = gSavedSettings.getBOOL("RenderUseTriStrips");
LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseStreamVBO");
- LLVertexBuffer::sUseStreamDraw = gSavedSettings.getBOOL("RenderUseVAO");
+ LLVertexBuffer::sUseVAO = gSavedSettings.getBOOL("RenderUseVAO");
LLVertexBuffer::sPreferStreamDraw = gSavedSettings.getBOOL("RenderPreferStreamDraw");
LLVertexBuffer::sEnableVBOs = gSavedSettings.getBOOL("RenderVBOEnable");
LLVertexBuffer::sDisableVBOMapping = LLVertexBuffer::sEnableVBOs && gSavedSettings.getBOOL("RenderVBOMappingDisable") ;
@@ -6487,7 +6487,7 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
}
LLGLDisable blend(GL_BLEND);
- bindDeferredShader(*shader);
+
if (dof_enabled)
{
@@ -6595,41 +6595,102 @@ void LLPipeline::renderBloom(BOOL for_snapshot, F32 zoom_factor, int subfield)
blur_constant /= 1000.f; //convert to meters for shader
F32 magnification = focal_length/(subject_distance-focal_length);
+ mDeferredLight.bindTarget();
+ shader = &gDeferredCoFProgram;
+
+ bindDeferredShader(*shader);
+
+ S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mScreen.getUsage());
+ if (channel > -1)
+ {
+ mScreen.bindTexture(0, channel);
+ }
+
+ if (multisample)
+ { //bloom has already been added, bind black
+ channel = shader->enableTexture(LLShaderMgr::DEFERRED_BLOOM);
+ if (channel > -1)
+ {
+ gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sBlackImagep);
+ }
+ }
+
shader->uniform1f(LLShaderMgr::DOF_FOCAL_DISTANCE, -subject_distance/1000.f);
shader->uniform1f(LLShaderMgr::DOF_BLUR_CONSTANT, blur_constant);
shader->uniform1f(LLShaderMgr::DOF_TAN_PIXEL_ANGLE, tanf(1.f/LLDrawable::sCurPixelAngle));
shader->uniform1f(LLShaderMgr::DOF_MAGNIFICATION, magnification);
- }
- S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mScreen.getUsage());
- if (channel > -1)
- {
- mScreen.bindTexture(0, channel);
- }
+ gGL.begin(LLRender::TRIANGLE_STRIP);
+ gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+ gGL.vertex2f(-1,-1);
+
+ gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+ gGL.vertex2f(-1,3);
+
+ gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+ gGL.vertex2f(3,-1);
+
+ gGL.end();
+
+ unbindDeferredShader(*shader);
+ mDeferredLight.flush();
- if (multisample)
- { //bloom has already been added, bind black
- channel = shader->enableTexture(LLShaderMgr::DEFERRED_BLOOM);
+
+ shader = &gDeferredPostProgram;
+ bindDeferredShader(*shader);
+ channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredLight.getUsage());
if (channel > -1)
{
- gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sBlackImagep);
+ mDeferredLight.bindTexture(0, channel);
}
+
+ gGL.begin(LLRender::TRIANGLE_STRIP);
+ gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+ gGL.vertex2f(-1,-1);
+
+ gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+ gGL.vertex2f(-1,3);
+
+ gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+ gGL.vertex2f(3,-1);
+
+ gGL.end();
+
+ unbindDeferredShader(*shader);
}
+ else
+ {
+ bindDeferredShader(*shader);
-
- gGL.begin(LLRender::TRIANGLE_STRIP);
- gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
- gGL.vertex2f(-1,-1);
+ S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mScreen.getUsage());
+ if (channel > -1)
+ {
+ mScreen.bindTexture(0, channel);
+ }
+
+ if (multisample)
+ { //bloom has already been added, bind black
+ channel = shader->enableTexture(LLShaderMgr::DEFERRED_BLOOM);
+ if (channel > -1)
+ {
+ gGL.getTexUnit(0)->bind(LLViewerFetchedTexture::sBlackImagep);
+ }
+ }
+
+ gGL.begin(LLRender::TRIANGLE_STRIP);
+ gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
+ gGL.vertex2f(-1,-1);
- gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
- gGL.vertex2f(-1,3);
+ gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
+ gGL.vertex2f(-1,3);
- gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
- gGL.vertex2f(3,-1);
+ gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
+ gGL.vertex2f(3,-1);
- gGL.end();
+ gGL.end();
- unbindDeferredShader(*shader);
+ unbindDeferredShader(*shader);
+ }
}
}
else
--
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