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underwater depth effect

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This commit is contained in:
scrawl 2012-04-06 18:51:30 +02:00
parent 456eb95209
commit c0f991ac0a
7 changed files with 87 additions and 60 deletions
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2
apps/openmw/mwrender/renderingmanager.cpp
View file

@ -59,9 +59,9 @@ RenderingManager::RenderingManager (OEngine::Render::OgreRenderer& _rend, const
{
CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "gbuffer");
CompositorManager::getSingleton().setCompositorEnabled(mRendering.getViewport(), "gbuffer", true);
CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "Underwater");
CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "gbufferFinalizer");
CompositorManager::getSingleton().setCompositorEnabled(mRendering.getViewport(), "gbufferFinalizer", true);
CompositorManager::getSingleton().addCompositor(mRendering.getViewport(), "Underwater");
}
else
{

3
files/CMakeLists.txt
View file

@ -1,8 +1,7 @@
project(resources)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/caustic_0.png "${OpenMW_BINARY_DIR}/resources/water/caustic_0.png" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/GlassFP.cg "${OpenMW_BINARY_DIR}/resources/water/GlassFP.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/GlassVP.cg "${OpenMW_BINARY_DIR}/resources/water/GlassVP.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/underwater.cg "${OpenMW_BINARY_DIR}/resources/water/underwater.cg" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/perlinvolume.dds "${OpenMW_BINARY_DIR}/resources/water/perlinvolume.dds" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/water.compositor "${OpenMW_BINARY_DIR}/resources/water/water.compositor" COPYONLY)
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/water/water.material "${OpenMW_BINARY_DIR}/resources/water/water.material" COPYONLY)

15
files/water/GlassFP.cg
View file

@ -1,15 +0,0 @@
float4 main_ps(float2 iTexCoord : TEXCOORD0,
float3 noiseCoord : TEXCOORD1,
uniform sampler2D RT : register(s0),
uniform sampler2D NormalMap : register(s1),
uniform sampler2D CausticMap : register(s2),
uniform float4 tintColour) : COLOR
{
float4 normal = tex2D(NormalMap, noiseCoord) * 2 - 1;
return tex2D(RT, iTexCoord + normal.xy * 0.015) +
(tex2D(CausticMap, noiseCoord) / 5) +
tintColour ;
}

24
files/water/GlassVP.cg
View file

@ -1,24 +0,0 @@
void glass_vp
(
in float4 inPos : POSITION,
out float4 pos : POSITION,
out float2 uv0 : TEXCOORD0,
out float4 noiseCoord : TEXCOORD1,
uniform float4x4 worldViewProj,
uniform float timeVal,
uniform float scale
)
{
// Use standardise transform, so work accord with render system specific (RS depth, requires texture flipping, etc)
pos = mul(worldViewProj, inPos);
// The input positions adjusted by texel offsets, so clean up inaccuracies
inPos.xy = sign(inPos.xy);
// Convert to image-space
uv0 = (float2(inPos.x, -inPos.y) + 1.0f) * 0.5f;
noiseCoord = (pos + timeVal) * scale;
}

61
files/water/underwater.cg Normal file
View file

@ -0,0 +1,61 @@
void main_vp
(
in float4 inPos : POSITION,
out float4 pos : POSITION,
out float2 uv0 : TEXCOORD0,
out float4 noiseCoord : TEXCOORD1,
uniform float4x4 worldViewProj,
uniform float timeVal,
uniform float scale
)
{
// Use standardise transform, so work accord with render system specific (RS depth, requires texture flipping, etc)
pos = mul(worldViewProj, inPos);
// The input positions adjusted by texel offsets, so clean up inaccuracies
inPos.xy = sign(inPos.xy);
// Convert to image-space
uv0 = (float2(inPos.x, -inPos.y) + 1.0f) * 0.5f;
noiseCoord = (pos + timeVal) * scale;
}
float4 main_fp_nomrt (float2 iTexCoord : TEXCOORD0,
float3 noiseCoord : TEXCOORD1,
uniform sampler2D RT : register(s0),
uniform sampler2D NormalMap : register(s1),
uniform sampler2D CausticMap : register(s2),
uniform float4 tintColour) : COLOR
{
float4 normal = tex2D(NormalMap, noiseCoord) * 2 - 1;
return tex2D(RT, iTexCoord + normal.xy * 0.015) +
(tex2D(CausticMap, noiseCoord) / 5) +
tintColour ;
}
float4 main_fp (float2 iTexCoord : TEXCOORD0,
float3 noiseCoord : TEXCOORD1,
uniform float far,
uniform sampler2D RT : register(s0),
uniform sampler2D NormalMap : register(s1),
uniform sampler2D CausticMap : register(s2),
uniform sampler2D DepthMap : register(s3),
uniform float4 tintColour) : COLOR
{
float4 normal = tex2D(NormalMap, noiseCoord) * 2 - 1;
float depth = tex2D(DepthMap, iTexCoord).r * far;
depth = saturate(depth / 2000.f);
float4 color = tex2D(RT, iTexCoord + normal.xy * 0.015) +
(tex2D(CausticMap, noiseCoord) / 5) +
tintColour;
return lerp(color, float4(0, 0.65, 0.65, 1), depth);
}

3
files/water/water.cg
View file

@ -98,6 +98,9 @@ void main_fp
oColor.xyz = lerp(refraction.xyz, reflection.xyz, opacity);
oColor.xyz += isUnderwater * float3(0, 0.35, 0.35); // underwater tint color
oColor.xyz = lerp(oColor.xyz, float3(0, 0.65, 0.65), saturate(isUnderwater * (iDepth / 2000.f))); // underwater fog
// add fog
float fogValue = saturate((iDepth - fogParams.y) * fogParams.w);
oColor.xyz = lerp(oColor.xyz, fogColour, fogValue);

39
files/water/water.material
View file

@ -1,7 +1,7 @@
vertex_program Water/GlassVP cg
vertex_program UnderwaterEffectVP cg
{
source GlassVP.cg
entry_point glass_vp
source underwater.cg
entry_point main_vp
profiles vs_1_1 arbvp1
default_params
@ -11,10 +11,17 @@ vertex_program Water/GlassVP cg
}
fragment_program Water/GlassFP cg
fragment_program UnderwaterEffectFP_NoMRT cg
{
source GlassFP.cg
entry_point main_ps
source underwater.cg
entry_point main_fp_nomrt
profiles ps_2_0 arbfp1
}
fragment_program UnderwaterEffectFP cg
{
source underwater.cg
entry_point main_fp
profiles ps_2_0 arbfp1
}
@ -111,13 +118,13 @@ material Water/CompositorNoMRT
pass
{
depth_check off
vertex_program_ref Water/GlassVP
vertex_program_ref UnderwaterEffectVP
{
param_named_auto timeVal time 0.25
param_named scale float 0.1
}
fragment_program_ref Water/GlassFP
fragment_program_ref UnderwaterEffectFP_NoMRT
{
param_named tintColour float4 0 0.35 0.35 1
}
@ -154,37 +161,33 @@ material Water/Compositor
pass
{
depth_check off
vertex_program_ref Water/GlassVP
vertex_program_ref UnderwaterEffectVP
{
param_named_auto timeVal time 0.25
param_named scale float 0.1
}
fragment_program_ref Water/GlassFP
fragment_program_ref UnderwaterEffectFP
{
param_named tintColour float4 0 0.35 0.35 1
param_named_auto far far_clip_distance
}
texture_unit RT
{
tex_coord_set 0
tex_coord_set 0
tex_address_mode clamp
filtering linear linear linear
}
texture_unit
{
texture WaterNormal2.tga 2d
tex_coord_set 2
//tex_address_mode clamp
filtering linear linear linear
tex_coord_set 2
}
texture_unit
{
texture caustic_0.png 2d
tex_coord_set 3
//tex_address_mode clamp
filtering linear linear linear
tex_coord_set 3
}
texture_unit DepthMap