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Moved ViewSpacePosition calculation from fragmenst shader to vertexshader

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This commit is contained in:
Teejoon
2016-03-13 00:08:49 +01:00
parent 5146d21173
commit 958850903a
9 changed files with 24 additions and 33 deletions
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resources/Shaders/ExplosionEffect.frag.glsl
+1 -4
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@@ -1,14 +1,11 @@
#version 430
uniform mat4 M;
uniform mat4 V;
uniform mat4 P;
uniform vec4 Color;
uniform sampler2D texture0;
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec2 TextureCoordinate;
vec4 DiffuseColor;
resources/Shaders/ExplosionEffect.geom.glsl
+5 -1
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@@ -2,6 +2,7 @@
#define MAX_SPLITS 4
uniform mat4 PVM;
uniform mat4 M;
uniform mat4 V;
uniform mat4 P;
@@ -23,6 +24,7 @@ uniform float ColorDistanceScalar;
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -34,6 +36,7 @@ in VertexData{
out VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -101,6 +104,7 @@ void PassThingsThrough(int index)
// pass through vertex data
Output.Normal = Input[index].Normal;
Output.Position = Input[index].Position;
Output.ViewSpacePosition = Input[index].ViewSpacePosition;
Output.TextureCoordinate = Input[index].TextureCoordinate;
Output.Tangent = Input[index].Tangent;
Output.BiTangent = Input[index].BiTangent;
@@ -175,7 +179,7 @@ void main()
}
// convert to window space
gl_Position = P * V * M * vec4(ExplodedPosition, 1.0);
gl_Position = PVM * vec4(ExplodedPosition, 1.0);
EmitVertex();
}
}
resources/Shaders/ForwardPlus.frag.glsl
+3 -5
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@@ -2,8 +2,6 @@
#define MIN_AMBIENT_LIGHT 0.3
#define MAX_SPLITS 4
uniform mat4 VM;
uniform mat4 M;
uniform mat4 V;
uniform mat4 P;
@@ -65,6 +63,7 @@ layout (std430, binding = 4) buffer LightIndexBuffer
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -302,11 +301,10 @@ void main()
vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat);
vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat);
vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate * SpecularUVRepeat);
vec4 position = VM * vec4(Input.Position, 1.0);
vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate * NormalUVRepeat, NormalMapTexture);
normal = normalize(normal);
//vec4 normal = normalize(V * vec4(Input.Normal, 0.0));
vec4 viewVec = normalize(-position);
vec4 viewVec = normalize(-Input.ViewSpacePosition);
vec3 I = normalize(vec3(M * vec4(Input.Position, 1.0)) - CameraPosition);
vec3 R = reflect(-I, Input.Normal);
//R = vec3(P * vec4(R, 1.0));
@@ -333,7 +331,7 @@ void main()
LightResult light_result;
//These if statements should be removed.
if(light.Type == 1) { // point
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, position, normal, light.Falloff);
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, Input.ViewSpacePosition, normal, light.Falloff);
} else if (light.Type == 2) { //Directional
int DepthMapIndex = getShadowIndex(FarDistance);
light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
resources/Shaders/ForwardPlus.vert.glsl
+3
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@@ -1,5 +1,6 @@
#version 430
uniform mat4 PVM;
uniform mat4 VM;
#define MAX_SPLITS 4
uniform mat4 TIM;
@@ -17,6 +18,7 @@ layout(location = 4) in vec2 TextureCoords;
out VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -31,6 +33,7 @@ void main()
gl_Position = PVM * vec4(Position, 1.0);
//mat4 TIM = transpose(inverse(M));
Output.Position = Position;
Output.ViewSpacePosition = VM * vec4(Position, 1.0);
Output.TextureCoordinate = TextureCoords;
Output.Normal = vec3(TIM * vec4(Normal, 0.0));
Output.Tangent = vec3(TIM * vec4(Tangent, 0.0));
resources/Shaders/ForwardPlusShieldCheck.frag.glsl
+3 -3
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@@ -65,6 +65,7 @@ layout (std430, binding = 4) buffer LightIndexBuffer
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -141,11 +142,10 @@ void main()
vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat);
vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat);
vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate * SpecularUVRepeat);
vec4 position = VM * vec4(Input.Position, 1.0);
vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate * NormalUVRepeat, NormalMapTexture);
normal = normalize(normal);
//vec4 normal = normalize(V * vec4(Input.Normal, 0.0));
vec4 viewVec = normalize(-position);
vec4 viewVec = normalize(-Input.ViewSpacePosition);
vec3 I = normalize(vec3(M * vec4(Input.Position, 1.0)) - CameraPosition);
vec3 R = reflect(-I, Input.Normal);
//R = vec3(P * vec4(R, 1.0));
@@ -170,7 +170,7 @@ void main()
LightResult light_result;
//These if statements should be removed.
if(light.Type == 1) { // point
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, position, normal, light.Falloff);
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, Input.ViewSpacePosition, normal, light.Falloff);
} else if (light.Type == 2) { //Directional
light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
}
resources/Shaders/ForwardPlusSkinned.vert.glsl
+3
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@@ -3,6 +3,7 @@
#define MAX_SPLITS 4
uniform mat4 PVM;
uniform mat4 VM;
uniform mat4 TIM;
uniform mat4 M;
uniform mat4 V;
@@ -21,6 +22,7 @@ layout(location = 6) in vec4 BoneWeights;
out VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -44,6 +46,7 @@ void main()
gl_Position = PVM*boneTransform * vec4(Position, 1.0);
Output.Position = (boneTransform * vec4(Position, 1.0)).xyz;
Output.ViewSpacePosition = VM * vec4(Position, 1.0);
Output.TextureCoordinate = TextureCoords;
Output.Normal = vec3(M * boneTransform * vec4(Normal, 0.0));
Output.Tangent = vec3(M * vec4(Tangent, 0.0));
resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl
+3 -5
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@@ -2,8 +2,6 @@
#define MIN_AMBIENT_LIGHT 0.3
#define MAX_SPLITS 4
uniform mat4 VM;
uniform mat4 M;
uniform mat4 V;
uniform mat4 P;
@@ -82,6 +80,7 @@ layout (std430, binding = 4) buffer LightIndexBuffer
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -362,13 +361,12 @@ void main()
GlowUVRepeat1, GlowUVRepeat2, GlowUVRepeat3);
vec4 specularTexel = CalcBlendedTexel(splatTexel, SpecularMapTexture1, SpecularMapTexture2, SpecularMapTexture3,
SpecularUVRepeat1, SpecularUVRepeat2, SpecularUVRepeat3);
vec4 position = VM * vec4(Input.Position, 1.0);
//vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate, SplatMapTexture);
vec4 normal = V * CalcBlendedNormal(splatTexel, NormalMapTexture1, NormalMapTexture2, NormalMapTexture3,
NormalUVRepeat1, NormalUVRepeat2, NormalUVRepeat3);
normal = normalize(normal);
//vec4 normal = normalize(V * vec4(Input.Normal, 0.0));
vec4 viewVec = normalize(-position);
vec4 viewVec = normalize(-Input.ViewSpacePosition);
vec2 tilePos;
tilePos.x = int(gl_FragCoord.x/TILE_SIZE);
@@ -391,7 +389,7 @@ void main()
LightResult light_result;
//These if statements should be removed.
if(light.Type == 1) { // point
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, position, normal, light.Falloff);
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, Input.ViewSpacePosition, normal, light.Falloff);
} else if (light.Type == 2) { //Directional
int DepthMapIndex = getShadowIndex(FarDistance);
light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
resources/Shaders/ForwardPlusSplatMapRGBShieldCheck.frag.glsl
+3 -5
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@@ -2,8 +2,6 @@
#define MIN_AMBIENT_LIGHT 0.3
#define MAX_SPLITS 4
uniform mat4 VM;
uniform mat4 M;
uniform mat4 V;
uniform mat4 P;
@@ -80,6 +78,7 @@ layout (std430, binding = 4) buffer LightIndexBuffer
in VertexData{
vec3 Position;
vec4 ViewSpacePosition;
vec3 Normal;
vec3 Tangent;
vec3 BiTangent;
@@ -193,13 +192,12 @@ void main()
GlowUVRepeat1, GlowUVRepeat2, GlowUVRepeat3);
vec4 specularTexel = CalcBlendedTexel(splatTexel, SpecularMapTexture1, SpecularMapTexture2, SpecularMapTexture3,
SpecularUVRepeat1, SpecularUVRepeat2, SpecularUVRepeat3);
vec4 position = VM * vec4(Input.Position, 1.0);
//vec4 normal = V * CalcNormalMappedValue(Input.Normal, Input.Tangent, Input.BiTangent, Input.TextureCoordinate, SplatMapTexture);
vec4 normal = V * CalcBlendedNormal(splatTexel, NormalMapTexture1, NormalMapTexture2, NormalMapTexture3,
NormalUVRepeat1, NormalUVRepeat2, NormalUVRepeat3);
normal = normalize(normal);
//vec4 normal = normalize(V * vec4(Input.Normal, 0.0));
vec4 viewVec = normalize(-position);
vec4 viewVec = normalize(-Input.ViewSpacePosition);
vec2 tilePos;
tilePos.x = int(gl_FragCoord.x/TILE_SIZE);
@@ -220,7 +218,7 @@ void main()
LightResult light_result;
//These if statements should be removed.
if(light.Type == 1) { // point
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, position, normal, light.Falloff);
light_result = CalcPointLightSource(V * light.Position, light.Radius, light.Color, light.Intensity, viewVec, Input.ViewSpacePosition, normal, light.Falloff);
} else if (light.Type == 2) { //Directional
light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal);
}
src/Engine/Rendering/DrawFinalPass.cpp
-10
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@@ -1324,11 +1324,6 @@ void DrawFinalPass::DrawToDepthStencilBuffer(std::list<std::shared_ptr<RenderJob
if (lastShader != m_FillDepthStencilBufferSkinnedProgram->GetHandle()) {
m_FillDepthStencilBufferSkinnedProgram->Bind();
lastShader = m_FillDepthStencilBufferSkinnedProgram->GetHandle();
glUniform1i(glGetUniformLocation(shaderSkinnedHandle, "SSAOQuality"), m_SSAOPass->TextureQuality());
glUniformMatrix4fv(glGetUniformLocation(shaderSkinnedHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(shaderSkinnedHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
glUniform2f(glGetUniformLocation(shaderSkinnedHandle, "ScreenDimensions"), m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
glUniform4fv(glGetUniformLocation(shaderSkinnedHandle, "AmbientColor"), 1, glm::value_ptr(scene.AmbientColor));
GLERROR("Bind Uniforms 1");
}
@@ -1347,11 +1342,6 @@ void DrawFinalPass::DrawToDepthStencilBuffer(std::list<std::shared_ptr<RenderJob
if (lastShader != m_FillDepthStencilBufferProgram->GetHandle()) {
m_FillDepthStencilBufferProgram->Bind();
lastShader = m_FillDepthStencilBufferProgram->GetHandle();
glUniform1i(glGetUniformLocation(shaderHandle, "SSAOQuality"), m_SSAOPass->TextureQuality());
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "V"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ViewMatrix()));
glUniformMatrix4fv(glGetUniformLocation(shaderHandle, "P"), 1, GL_FALSE, glm::value_ptr(scene.Camera->ProjectionMatrix()));
glUniform2f(glGetUniformLocation(shaderHandle, "ScreenDimensions"), m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);
glUniform4fv(glGetUniformLocation(shaderHandle, "AmbientColor"), 1, glm::value_ptr(scene.AmbientColor));
GLERROR("Bind Uniforms 2");
}