diff --git a/include/Engine/Rendering/DrawColorCorrectionPass.h b/include/Engine/Rendering/DrawColorCorrectionPass.h index db16cf98..231e2d33 100644 --- a/include/Engine/Rendering/DrawColorCorrectionPass.h +++ b/include/Engine/Rendering/DrawColorCorrectionPass.h @@ -17,7 +17,7 @@ public: void InitializeFrameBuffers(); void InitializeShaderPrograms(); - void Draw(GLuint sceneTexture, GLuint bloomTexture, GLuint sceneTextureLowRes, GLuint bloomTextureLowRes, GLuint SSAOTexture, GLfloat gamma, GLfloat exposure); + void Draw(GLuint sceneTexture, GLuint bloomTexture, GLuint sceneTextureLowRes, GLuint bloomTextureLowRes, GLfloat gamma, GLfloat exposure); private: const IRenderer* m_Renderer; diff --git a/include/Engine/Rendering/DrawFinalPass.h b/include/Engine/Rendering/DrawFinalPass.h index f1cf66c8..54f9407f 100644 --- a/include/Engine/Rendering/DrawFinalPass.h +++ b/include/Engine/Rendering/DrawFinalPass.h @@ -18,7 +18,7 @@ public: void InitializeTextures(); void InitializeFrameBuffers(); void InitializeShaderPrograms(); - void Draw(RenderScene& scene); + void Draw(RenderScene& scene, GLuint SSAOTexture); void ClearBuffer(); //Return the texture that is used in later stages to apply the bloom effect @@ -40,7 +40,7 @@ private: void GenerateMipMapTexture(GLuint* texture, GLenum wrapping, glm::vec2 dimensions, GLint format, GLenum type, GLint numMipMaps) const; void DrawSprites(std::list>&jobs, RenderScene& scene); - void DrawModelRenderQueues(std::list>& jobs, RenderScene& scene); + void DrawModelRenderQueues(std::list>& jobs, RenderScene& scene, GLuint SSAOTexture); void DrawShieldToStencilBuffer(std::list>& jobs, RenderScene& scene); void DrawShieldedModelRenderQueue(std::list>& jobs, RenderScene& scene); void DrawToDepthBuffer(std::list>& jobs, RenderScene& scene); diff --git a/include/Engine/Rendering/Renderer.h b/include/Engine/Rendering/Renderer.h index b613ba4f..d8c60cd8 100644 --- a/include/Engine/Rendering/Renderer.h +++ b/include/Engine/Rendering/Renderer.h @@ -51,9 +51,12 @@ private: Model* m_UnitSphere; int m_DebugTextureToDraw = 0; - float m_SSAO_Radius = 0.2f; - float m_SSAO_Bias = 0.012f; - float m_SSAO_Intensity = 1.0f; + float m_SSAO_Radius = 1.0f; + float m_SSAO_Bias = 0.05f; + float m_SSAO_Contrast = 1.5f; + float m_SSAO_IntensityScale = 1.0f; + int m_SSAO_NumOfSamples = 24; + int m_SSAO_NumOfTurns = 7; PickingPass* m_PickingPass; LightCullingPass* m_LightCullingPass; diff --git a/include/Engine/Rendering/SSAOPass.h b/include/Engine/Rendering/SSAOPass.h index 22f53ded..f15e20d3 100644 --- a/include/Engine/Rendering/SSAOPass.h +++ b/include/Engine/Rendering/SSAOPass.h @@ -17,7 +17,7 @@ public: ~SSAOPass() { }; void Draw(GLuint depthBuffer, Camera* camera); - void Setting(float radius, float bias, float intensity); + void Setting(float radius, float bias, float contrast, float intensityScale, int numOfSamples, int NumOfTurns); void ClearBuffer(); //Return the SSAO of the texture sent to Draw @@ -41,7 +41,10 @@ private: float m_Radius; float m_Bias; - float m_Intensity; + float m_Contrast; + float m_IntensityScale; + int m_NumOfSamples; + int m_NumOfTurns; GLuint m_SSAOTexture; FrameBuffer m_SSAOFramBuffer; diff --git a/resources/Schema/Entities/Player.xml b/resources/Schema/Entities/Player.xml index be6009ba..d4485112 100644 --- a/resources/Schema/Entities/Player.xml +++ b/resources/Schema/Entities/Player.xml @@ -349,13 +349,12 @@ Idle - 1.6050530664521858 + 1.8314163732853146 1 Models/Characters/Assault/FirstPerson.mesh - true @@ -367,11 +366,10 @@ Models/Weapons/Blue/AssaultWeaponBlue.mesh - true - - + + @@ -477,7 +475,7 @@ Idle - 1.620305457513453 + 0.16333512901638159 1 @@ -501,8 +499,8 @@ Models/Weapons/Blue/AssaultWeaponBlue.mesh - - + + diff --git a/resources/Schema/Entities/PlayerRed.xml b/resources/Schema/Entities/PlayerRed.xml index d9839e9f..4be8fc26 100644 --- a/resources/Schema/Entities/PlayerRed.xml +++ b/resources/Schema/Entities/PlayerRed.xml @@ -349,13 +349,12 @@ Idle - 1.6050530664521858 + 0.018170670865885086 1 Models/Characters/Assault/FirstPerson.mesh - true @@ -367,11 +366,10 @@ Models/Weapons/Red/AssaultWeaponRed.mesh - true - - + + @@ -477,7 +475,7 @@ Idle - 1.620305457513453 + 0.11675631578762591 1 @@ -501,8 +499,8 @@ Models/Weapons/Red/AssaultWeaponRed.mesh - - + + diff --git a/resources/Shaders/DrawColorCorrection.frag.glsl b/resources/Shaders/DrawColorCorrection.frag.glsl index 838a78f6..bae50887 100644 --- a/resources/Shaders/DrawColorCorrection.frag.glsl +++ b/resources/Shaders/DrawColorCorrection.frag.glsl @@ -4,7 +4,6 @@ layout (binding = 0) uniform sampler2D SceneTexture; layout (binding = 1) uniform sampler2D BloomTexture; layout (binding = 2) uniform sampler2D SceneTextureLowRes; layout (binding = 3) uniform sampler2D BloomTextureLowRes; -layout (binding = 4) uniform sampler2D SSAOTexture; uniform float Exposure; uniform float Gamma; @@ -20,10 +19,8 @@ void main() vec4 bloomColor = texture(BloomTexture, Input.TextureCoordinate); vec4 hdrColorLowRes = texture(SceneTextureLowRes, Input.TextureCoordinate); vec4 bloomColorLowRes = texture(BloomTextureLowRes, Input.TextureCoordinate); - vec4 SSAO = texture(SSAOTexture, Input.TextureCoordinate); //hdrColor = hdrColor * SSAO; - SSAO = clamp(SSAO, 0.1f, 1.0f); hdrColor += bloomColor; hdrColorLowRes; @@ -38,7 +35,6 @@ void main() //gamme correction result = pow(result, vec3(1.0 / Gamma)); - result = result * SSAO.rgb; fragmentColor = vec4(result, 1.0); //fragmentColor = hdrColor; //fragmentColor = bloomColor; diff --git a/resources/Shaders/ForwardPlus.frag.glsl b/resources/Shaders/ForwardPlus.frag.glsl index 471ee20b..b4e0022b 100644 --- a/resources/Shaders/ForwardPlus.frag.glsl +++ b/resources/Shaders/ForwardPlus.frag.glsl @@ -1,5 +1,7 @@ #version 430 +#define MIN_AMBIENT_LIGHT 0.3 + uniform mat4 M; uniform mat4 V; uniform mat4 P; @@ -14,10 +16,11 @@ uniform vec2 DiffuseUVRepeat; uniform vec2 NormalUVRepeat; uniform vec2 SpecularUVRepeat; uniform vec2 GlowUVRepeat; -layout (binding = 0) uniform sampler2D DiffuseTexture; -layout (binding = 1) uniform sampler2D NormalMapTexture; -layout (binding = 2) uniform sampler2D SpecularMapTexture; -layout (binding = 3) uniform sampler2D GlowMapTexture; +layout (binding = 0) uniform sampler2D AOTexture; +layout (binding = 1) uniform sampler2D DiffuseTexture; +layout (binding = 2) uniform sampler2D NormalMapTexture; +layout (binding = 3) uniform sampler2D SpecularMapTexture; +layout (binding = 4) uniform sampler2D GlowMapTexture; #define TILE_SIZE 16 @@ -119,6 +122,8 @@ vec4 CalcNormalMappedValue(vec3 normal, vec3 tangent, vec3 bitangent, vec2 textu void main() { + float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy), 0).r; + ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) / (1.0 + MIN_AMBIENT_LIGHT); vec4 diffuseTexel = texture2D(DiffuseTexture, Input.TextureCoordinate * DiffuseUVRepeat); vec4 glowTexel = texture2D(GlowMapTexture, Input.TextureCoordinate * GlowUVRepeat); vec4 specularTexel = texture2D(SpecularMapTexture, Input.TextureCoordinate * SpecularUVRepeat); @@ -133,7 +138,7 @@ void main() tilePos.y = int(gl_FragCoord.y/TILE_SIZE); LightResult totalLighting; - totalLighting.Diffuse = vec4(AmbientColor.rgb, 1.0); + totalLighting.Diffuse = vec4(AmbientColor.rgb * ao, 1.0); int currentTile = int(floor(gl_FragCoord.x/TILE_SIZE) + (floor(gl_FragCoord.y/TILE_SIZE) * int(ScreenDimensions.x/TILE_SIZE))); int start = int(LightGrids.Data[currentTile].Start); @@ -151,8 +156,8 @@ void main() } else if (light.Type == 2) { //Directional light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal); } - totalLighting.Diffuse += light_result.Diffuse; - totalLighting.Specular += light_result.Specular; + totalLighting.Diffuse += vec4(light_result.Diffuse.rgb * ao, light_result.Diffuse.a); + totalLighting.Specular += vec4(light_result.Specular.rgb * ao, light_result.Specular.a); } vec4 color_result = mix((Color * diffuseTexel * DiffuseColor), Input.ExplosionColor, Input.ExplosionPercentageElapsed); diff --git a/resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl b/resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl index e862d926..cf358b96 100644 --- a/resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl +++ b/resources/Shaders/ForwardPlusSplatMapRGB.frag.glsl @@ -1,5 +1,7 @@ #version 430 +#define MIN_AMBIENT_LIGHT 0.3 + uniform mat4 M; uniform mat4 V; uniform mat4 P; @@ -23,19 +25,20 @@ uniform vec2 SpecularUVRepeat3; uniform vec2 GlowUVRepeat1; uniform vec2 GlowUVRepeat2; uniform vec2 GlowUVRepeat3; -layout (binding = 0) uniform sampler2D SplatMapTexture; -layout (binding = 1) uniform sampler2D DiffuseTexture1; -layout (binding = 2) uniform sampler2D DiffuseTexture2; -layout (binding = 3) uniform sampler2D DiffuseTexture3; -layout (binding = 4) uniform sampler2D NormalMapTexture1; -layout (binding = 5) uniform sampler2D NormalMapTexture2; -layout (binding = 6) uniform sampler2D NormalMapTexture3; -layout (binding = 7) uniform sampler2D SpecularMapTexture1; -layout (binding = 8) uniform sampler2D SpecularMapTexture2; -layout (binding = 9) uniform sampler2D SpecularMapTexture3; -layout (binding = 10) uniform sampler2D GlowMapTexture1; -layout (binding = 11) uniform sampler2D GlowMapTexture2; -layout (binding = 12) uniform sampler2D GlowMapTexture3; +layout (binding = 0) uniform sampler2D AOTexture; +layout (binding = 1) uniform sampler2D SplatMapTexture; +layout (binding = 2) uniform sampler2D DiffuseTexture1; +layout (binding = 3) uniform sampler2D DiffuseTexture2; +layout (binding = 4) uniform sampler2D DiffuseTexture3; +layout (binding = 5) uniform sampler2D NormalMapTexture1; +layout (binding = 6) uniform sampler2D NormalMapTexture2; +layout (binding = 7) uniform sampler2D NormalMapTexture3; +layout (binding = 8) uniform sampler2D SpecularMapTexture1; +layout (binding = 9) uniform sampler2D SpecularMapTexture2; +layout (binding = 10) uniform sampler2D SpecularMapTexture3; +layout (binding = 11) uniform sampler2D GlowMapTexture1; +layout (binding = 12) uniform sampler2D GlowMapTexture2; +layout (binding = 13) uniform sampler2D GlowMapTexture3; #define TILE_SIZE 16 @@ -174,6 +177,9 @@ vec4 CalcBlendedNormal(vec4 blendValue, sampler2D R, sampler2D G, sampler2D B, void main() { + float ao = texelFetch(AOTexture, ivec2(gl_FragCoord.xy), 0).r; + ao = (clamp(1.0 - (1.0 - ao), 0.0, 1.0) + MIN_AMBIENT_LIGHT) / (1.0 + MIN_AMBIENT_LIGHT); + vec4 splatTexel = texture2D(SplatMapTexture, Input.TextureCoordinate); vec4 diffuseTexel = CalcBlendedTexel(splatTexel, DiffuseTexture1, DiffuseTexture2, DiffuseTexture3, @@ -195,7 +201,7 @@ void main() tilePos.y = int(gl_FragCoord.y/TILE_SIZE); LightResult totalLighting; - totalLighting.Diffuse = vec4(AmbientColor.rgb, 1.0); + totalLighting.Diffuse = vec4(AmbientColor.rgb * ao, 1.0); int currentTile = int(floor(gl_FragCoord.x/TILE_SIZE) + (floor(gl_FragCoord.y/TILE_SIZE) * int(ScreenDimensions.x/TILE_SIZE))); int start = int(LightGrids.Data[currentTile].Start); @@ -213,8 +219,8 @@ void main() } else if (light.Type == 2) { //Directional light_result = CalcDirectionalLightSource(V * light.Direction, light.Color, light.Intensity, viewVec, normal); } - totalLighting.Diffuse += light_result.Diffuse; - totalLighting.Specular += light_result.Specular; + totalLighting.Diffuse += vec4(light_result.Diffuse.rgb * ao, light_result.Diffuse.a); + totalLighting.Specular += vec4(light_result.Specular.rgb * ao, light_result.Specular.a); } vec4 color_result = mix((Color * diffuseTexel * DiffuseColor), Input.ExplosionColor, Input.ExplosionPercentageElapsed); diff --git a/resources/Shaders/SSAO.frag.glsl b/resources/Shaders/SSAO.frag.glsl index b9ba58ce..68c830f8 100644 --- a/resources/Shaders/SSAO.frag.glsl +++ b/resources/Shaders/SSAO.frag.glsl @@ -1,38 +1,37 @@ #version 430 //Number of samples per pixel -#define NUM_SAMPLES (24) +uniform int uNumOfSamples; +//#define NUM_SAMPLES (11) //Number of turns around the cirle -#define NUM_TURNS (7) +uniform int uNumOfTurns; +//#define NUM_TURNS (7) -uniform sampler2D ViewSpaceZ; +layout (binding = 0) uniform sampler2D ViewSpaceZ; -uniform vec4 ProjInfo; +uniform vec4 uProjInfo; -uniform float ProjScale; +uniform float uProjScale; //#define ProjScale 500 -uniform float Radius; +uniform float uRadius; //#define Radius 1.0f -uniform float Bias; +uniform float uBias; //#define Bias 0.012f -uniform float IntensityDivR6; +uniform float uContrast; //#define IntensityDivR6 1 -out vec4 fragmentColor; +uniform float uIntensityScale; -vec3 reconstructVSPosition(vec2 ScreenSpaceCoord, float z){ - return vec3((ScreenSpaceCoord * ProjInfo.xy + ProjInfo.zw) * z, z); -} +out float AO; -vec3 getPosition(ivec2 ScreenSpaceCoord) { - vec3 P; - P.z = texelFetch(ViewSpaceZ, ScreenSpaceCoord, 0).r; +vec3 getVSPosition(ivec2 ScreenSpaceCoord) { + float z = texelFetch(ViewSpaceZ, ScreenSpaceCoord, 0).r; //Get the xy view space coordinates and add the z value from ViewSpaceZ buffer. - return reconstructVSPosition(vec2(ScreenSpaceCoord) + vec2(0.5), P.z); + return vec3((uProjInfo[0] + (ScreenSpaceCoord.x * uProjInfo[1])) * z, (uProjInfo[2] + (ScreenSpaceCoord.y * uProjInfo[3])) * z, z); } vec3 getVSFaceNormal(vec3 ViewSpacePosition) { @@ -44,10 +43,10 @@ vec3 getVSFaceNormal(vec3 ViewSpacePosition) { vec3 getSampleViewSpacePos(ivec2 ScreenSpaceCoord, int SampleIndex, float RotationAngle, float ScreenSpaceSampleRadius){ // Pure Magic... - float alpha = float(SampleIndex + 0.5) * (1.0 / NUM_SAMPLES); + float alpha = float(SampleIndex) * (1.0 / uNumOfSamples); // Angle to where to sample - float angle = alpha * (NUM_TURNS * 6.28) + RotationAngle; + float angle = alpha * (uNumOfTurns * 6.28) + RotationAngle; //Lenght to were to sample ScreenSpaceSampleRadius = ScreenSpaceSampleRadius * alpha; @@ -57,50 +56,59 @@ vec3 getSampleViewSpacePos(ivec2 ScreenSpaceCoord, int SampleIndex, float Rotati // Get texel coordinate on where to sample by going screenSpaceSampleOffsetVecor direction in ScreenSpaceSampleRadius units from ScreenSpaceCoord (the point being shaded); ivec2 screenSpaceSampleTexel = ivec2(ScreenSpaceSampleRadius * screenSpaceSampleOffsetVecor) + ScreenSpaceCoord; - return getPosition(screenSpaceSampleTexel); + return getVSPosition(screenSpaceSampleTexel); } -float Radius2 = Radius * Radius; -float sampleAO(ivec2 ScreenSpaceCoord, vec3 ShadedViewSpacePosition, vec3 ViewSpaceNormal, float ScreenSpaceSampleRadius, int SampleIndex, float RotationAngle) { + +float sampleAO(ivec2 ScreenSpaceCoord, vec3 Origin, vec3 OriginNormal, float ScreenSpaceSampleRadius, int SampleIndex, float RotationAngle, float Radius) { + float radius2 = Radius * Radius; vec3 sampleViewSpacePosition = getSampleViewSpacePos(ScreenSpaceCoord, SampleIndex, RotationAngle, ScreenSpaceSampleRadius); - vec3 sampleVector = ShadedViewSpacePosition - sampleViewSpacePosition; + vec3 sampleVector = Origin - sampleViewSpacePosition; // vv = sampleVectorLenght ^ 2 float vv = dot(sampleVector, sampleVector); // vn = angle between sampleVector and Normal - float vn = dot(sampleVector, ViewSpaceNormal); + float vn = dot(sampleVector, OriginNormal); - const float epsilon = 0.01f; + const float epsilon = 0.0001f; // vv < radius2 if the vector is shorter then the radius; // vn - bias, offset the angle to reduse self occlusion. // epsilon is here to make divison by 0 impossible. - return float(vv < Radius2) * max((vn - Bias) / (epsilon + vv), 0.0); - //float f = max(Radius2 - vv, 0.0); - //return f * f * f * max((vn - Bias) / (epsilon + vv), 0.0); + return float(vv < radius2) * max((vn - uBias) / (epsilon + vv), 0.0); + //float f = max(radius2 - vv, 0.0); + //return f * f * f * max((vn - uBias) / (epsilon + vv), 0.0); } void main() { ivec2 originScreenCoord = ivec2(gl_FragCoord.xy); - vec3 origin = getPosition(originScreenCoord); + vec3 origin = getVSPosition(originScreenCoord); - vec3 viewSpaceNormal = getVSFaceNormal(origin); + float radius; + if(origin.z < uRadius){ + radius = origin.z; + } else { + radius = uRadius; + } - float screenSpaceSampleRadius = ProjScale * Radius / origin.z; - //Offset on what angle to start on so that not evry pixel start sampling in the same direction, AlchemyAO - float rotationAngleOffset = (3 * originScreenCoord.x ^ originScreenCoord.y + originScreenCoord.x * originScreenCoord.y) * 10; + vec3 originNormal = getVSFaceNormal(origin); + + float screenSpaceSampleRadius = -uProjScale * radius / origin.z; + + float rotationAngleOffset = 30 * originScreenCoord.x ^ originScreenCoord.y + 10 * originScreenCoord.x * originScreenCoord.y; float sum = 0.0; - for (int i = 0; i < NUM_SAMPLES; i++) { - sum += sampleAO(originScreenCoord, origin, viewSpaceNormal, screenSpaceSampleRadius, i, rotationAngleOffset); + for (int i = 0; i < uNumOfSamples; i++) { + sum += sampleAO(originScreenCoord, origin, originNormal, screenSpaceSampleRadius, i, rotationAngleOffset, radius); } - float A = max(0.0, 1.0 - sum * (2.0f / NUM_SAMPLES)); - //fragmentColor= vec4(viewSpaceNormal, 1.0f); - fragmentColor = vec4(A, A, A, 1.0f); + //float A = max(0.0, 1.0 - sum * (2.0f / uNumOfSamples)); + float A = 1.0 - sum * (2.0f * uIntensityScale / float(uNumOfSamples)); + AO = clamp(pow(A, uContrast), 0.0f, 1.0f); + //AO = vec4(originNormal, 1.0f); } diff --git a/resources/Shaders/SSAOViewSpaceZ.frag.glsl b/resources/Shaders/SSAOViewSpaceZ.frag.glsl index e4ec491b..dbcfd899 100644 --- a/resources/Shaders/SSAOViewSpaceZ.frag.glsl +++ b/resources/Shaders/SSAOViewSpaceZ.frag.glsl @@ -1,14 +1,14 @@ #version 430 -uniform sampler2D DepthBuffer; +layout (binding = 0) uniform sampler2D DepthBuffer; uniform vec3 ClipInfo; -//out float depthLinear; +out float depthLinear; //Just for Debug, should be depthLinear -out vec4 fragmentColor; +//out vec4 fragmentColor; void main() { float depthSample = texelFetch(DepthBuffer, ivec2(gl_FragCoord.xy), 0).r; - float depthLinear = ClipInfo[0] / (ClipInfo[1] * depthSample + ClipInfo[2]); + depthLinear = ClipInfo[0] / (ClipInfo[1] * depthSample + ClipInfo[2]); //float depthLinear = (NearClip) / ( -depthSample + 1.0f); - fragmentColor = vec4(depthLinear, depthLinear, depthLinear, 1.0f); + //fragmentColor = vec4(depthLinear, depthLinear, depthLinear, 1.0f); } \ No newline at end of file diff --git a/resources/Shaders/Sprite.frag.glsl b/resources/Shaders/Sprite.frag.glsl index 9ce2bbdf..754be6ac 100644 --- a/resources/Shaders/Sprite.frag.glsl +++ b/resources/Shaders/Sprite.frag.glsl @@ -7,8 +7,8 @@ uniform mat4 M; uniform mat4 V; uniform mat4 P; -layout (binding = 0) uniform sampler2D DiffuseTexture; -layout (binding = 1) uniform sampler2D GlowMapTexture; +layout (binding = 1) uniform sampler2D DiffuseTexture; +layout (binding = 2) uniform sampler2D GlowMapTexture; in VertexData{ diff --git a/src/Engine/Rendering/DrawBloomPass.cpp b/src/Engine/Rendering/DrawBloomPass.cpp index e12ebd91..7479962e 100644 --- a/src/Engine/Rendering/DrawBloomPass.cpp +++ b/src/Engine/Rendering/DrawBloomPass.cpp @@ -74,18 +74,13 @@ void DrawBloomPass::Draw(GLuint texture) //Horizontal pass, first use the given texture then save it to the horizontal framebuffer. m_GaussianFrameBuffer_horiz.Bind(); - GLERROR("m_GaussianFrameBuffer_horiz.Bind()"); m_GaussianProgram_horiz->Bind(); - GLERROR("m_GaussianProgram_horiz->Bind()"); glActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, texture); - GLERROR("glBindTexture"); glBindVertexArray(m_ScreenQuad->VAO); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ScreenQuad->ElementBuffer); - GLERROR("GL_ELEMENT_ARRAY_BUFFER"); glDrawElementsBaseVertex(GL_TRIANGLES, m_ScreenQuad->MaterialGroups()[0].material->EndIndex - m_ScreenQuad->MaterialGroups()[0].material->StartIndex +1 , GL_UNSIGNED_INT, 0, m_ScreenQuad->MaterialGroups()[0].material->StartIndex); - GLERROR("HEJ"); //Iterate some times to make it more gaussian. for (int i = 1; i < m_iterations; i++) { //Vertical pass @@ -98,7 +93,6 @@ void DrawBloomPass::Draw(GLuint texture) glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ScreenQuad->ElementBuffer); glDrawElementsBaseVertex(GL_TRIANGLES, m_ScreenQuad->MaterialGroups()[0].material->EndIndex - m_ScreenQuad->MaterialGroups()[0].material->StartIndex +1 , GL_UNSIGNED_INT, 0, m_ScreenQuad->MaterialGroups()[0].material->StartIndex); - GLERROR("HEJ LOOP"); //horizontal pass m_GaussianFrameBuffer_horiz.Bind(); @@ -118,7 +112,6 @@ void DrawBloomPass::Draw(GLuint texture) m_GaussianProgram_vert->Bind(); glBindTexture(GL_TEXTURE_2D, m_GaussianTexture_horiz); - GLERROR("GL_TEXTURE_2D"); glBindVertexArray(m_ScreenQuad->VAO); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ScreenQuad->ElementBuffer); glDrawElementsBaseVertex(GL_TRIANGLES, m_ScreenQuad->MaterialGroups()[0].material->EndIndex - m_ScreenQuad->MaterialGroups()[0].material->StartIndex +1 diff --git a/src/Engine/Rendering/DrawColorCorrectionPass.cpp b/src/Engine/Rendering/DrawColorCorrectionPass.cpp index 620bd896..c82d614f 100644 --- a/src/Engine/Rendering/DrawColorCorrectionPass.cpp +++ b/src/Engine/Rendering/DrawColorCorrectionPass.cpp @@ -18,7 +18,7 @@ void DrawColorCorrectionPass::InitializeShaderPrograms() m_ColorCorrectionProgram->Link(); } -void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLuint sceneTextureLowRes, GLuint bloomTextureLowRes, GLuint SSAOTexture, GLfloat gamma, GLfloat exposure) +void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLuint sceneTextureLowRes, GLuint bloomTextureLowRes, GLfloat gamma, GLfloat exposure) { //glBindFramebuffer(GL_FRAMEBUFFER, 0); GLERROR("DrawScreenQuadPass::Draw: Pre"); @@ -37,8 +37,6 @@ void DrawColorCorrectionPass::Draw(GLuint sceneTexture, GLuint bloomTexture, GLu glBindTexture(GL_TEXTURE_2D, sceneTextureLowRes); glActiveTexture(GL_TEXTURE3); glBindTexture(GL_TEXTURE_2D, bloomTextureLowRes); - glActiveTexture(GL_TEXTURE4); - glBindTexture(GL_TEXTURE_2D, SSAOTexture); glBindVertexArray(m_ScreenQuad->VAO); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_ScreenQuad->ElementBuffer); diff --git a/src/Engine/Rendering/DrawFinalPass.cpp b/src/Engine/Rendering/DrawFinalPass.cpp index a2681c65..9f2113d7 100644 --- a/src/Engine/Rendering/DrawFinalPass.cpp +++ b/src/Engine/Rendering/DrawFinalPass.cpp @@ -22,20 +22,10 @@ void DrawFinalPass::InitializeTextures() void DrawFinalPass::InitializeFrameBuffers() { - - glGenTextures(1, &m_DepthBuffer); - - glBindTexture(GL_TEXTURE_2D, m_DepthBuffer); - glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, (int)(m_Renderer->GetViewportSize().Width), (int)(m_Renderer->GetViewportSize().Height), 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER); - - /*glGenRenderbuffers(1, &m_DepthBuffer); + glGenRenderbuffers(1, &m_DepthBuffer); glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer); glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); - GLERROR("RenderBuffer generation");*/ + GLERROR("RenderBuffer generation"); GenerateTexture(&m_SceneTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT); @@ -44,7 +34,7 @@ void DrawFinalPass::InitializeFrameBuffers() //GenerateMipMapTexture(&m_BloomTexture, GL_CLAMP_TO_EDGE, glm::vec2(m_Renderer->GetViewPortSize().Width, m_Renderer->GetViewPortSize().Height), GL_RGB16F, GL_FLOAT, 4); //GenerateTexture(&m_StencilTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_STENCIL, GL_STENCIL_INDEX8, GL_INT); - m_FinalPassFrameBuffer.AddResource(std::shared_ptr(new Texture2D(&m_DepthBuffer, GL_DEPTH_STENCIL_ATTACHMENT))); + m_FinalPassFrameBuffer.AddResource(std::shared_ptr(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_STENCIL_ATTACHMENT))); //m_FinalPassFrameBuffer.AddResource(std::shared_ptr(new Texture2D(&m_StencilTexture, GL_STENCIL_ATTACHMENT))); m_FinalPassFrameBuffer.AddResource(std::shared_ptr(new Texture2D(&m_SceneTexture, GL_COLOR_ATTACHMENT0))); m_FinalPassFrameBuffer.AddResource(std::shared_ptr(new Texture2D(&m_BloomTexture, GL_COLOR_ATTACHMENT1))); @@ -184,7 +174,7 @@ void DrawFinalPass::InitializeShaderPrograms() GLERROR("Creating DepthFill program"); } -void DrawFinalPass::Draw(RenderScene& scene) +void DrawFinalPass::Draw(RenderScene& scene, GLuint SSAOTexture) { GLERROR("Pre"); RenderCamera = scene.Camera; @@ -199,12 +189,11 @@ void DrawFinalPass::Draw(RenderScene& scene) glClear(GL_STENCIL_BUFFER_BIT); //Fill depth buffer - - + state->StencilMask(0x00); - DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene); + DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene, SSAOTexture); GLERROR("OpaqueObjects"); - DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene); + DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene, SSAOTexture); GLERROR("TransparentObjects"); DrawSprites(scene.Jobs.SpriteJob, scene); GLERROR("SpriteJobs"); @@ -219,11 +208,11 @@ void DrawFinalPass::Draw(RenderScene& scene) //Draw Opaque shielded objects state->StencilFunc(GL_NOTEQUAL, 1, 0xFF); state->StencilMask(0x00); - DrawModelRenderQueues(scene.Jobs.OpaqueShieldedObjects, scene); //might need changing + DrawModelRenderQueues(scene.Jobs.OpaqueShieldedObjects, scene, SSAOTexture); //might need changing GLERROR("Shielded Opaque object"); //Draw Transparen Shielded objects - DrawModelRenderQueues(scene.Jobs.TransparentShieldedObjects, scene); //might need changing + DrawModelRenderQueues(scene.Jobs.TransparentShieldedObjects, scene, SSAOTexture); //might need changing GLERROR("Shielded Transparent objects"); GLERROR("END"); @@ -259,9 +248,9 @@ void DrawFinalPass::Draw(RenderScene& scene) stateLowRes->Enable(GL_DEPTH_TEST); stateLowRes->StencilFunc(GL_LEQUAL, 1, 0xFF); stateLowRes->StencilMask(0x00); - DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene); + DrawModelRenderQueues(scene.Jobs.OpaqueObjects, scene, SSAOTexture); GLERROR("OpaqueObjects"); - DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene); + DrawModelRenderQueues(scene.Jobs.TransparentObjects, scene, SSAOTexture); GLERROR("TransparentObjects"); glViewport(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); glScissor(0, 0, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); @@ -313,7 +302,7 @@ void DrawFinalPass::GenerateMipMapTexture(GLuint* texture, GLenum wrapping, glm: GLERROR("MipMap Texture initialization failed"); } -void DrawFinalPass::DrawModelRenderQueues(std::list>& jobs, RenderScene& scene) +void DrawFinalPass::DrawModelRenderQueues(std::list>& jobs, RenderScene& scene, GLuint SSAOTexture) { GLuint forwardHandle = m_ForwardPlusProgram->GetHandle(); GLERROR("forwardHandle"); @@ -336,6 +325,9 @@ void DrawFinalPass::DrawModelRenderQueues(std::list>& glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 2, m_LightCullingPass->LightGridSSBO()); glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 4, m_LightCullingPass->LightIndexSSBO()); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, SSAOTexture); + for (auto &job : jobs) { auto explosionEffectJob = std::dynamic_pointer_cast(job); if (explosionEffectJob) { @@ -682,14 +674,14 @@ void DrawFinalPass::DrawSprites(std::list>&jobs, Rend glUniform4fv(glGetUniformLocation(shaderHandle, "FillColor"), 1, glm::value_ptr(spriteJob->FillColor)); glUniform1f(glGetUniformLocation(shaderHandle, "FillPercentage"), spriteJob->FillPercentage); - glActiveTexture(GL_TEXTURE0); + glActiveTexture(GL_TEXTURE1); if (spriteJob->DiffuseTexture != nullptr) { glBindTexture(GL_TEXTURE_2D, spriteJob->DiffuseTexture->m_Texture); } else { glBindTexture(GL_TEXTURE_2D, m_ErrorTexture->m_Texture); } - glActiveTexture(GL_TEXTURE1); + glActiveTexture(GL_TEXTURE2); if (spriteJob->IncandescenceTexture != nullptr) { glBindTexture(GL_TEXTURE_2D, spriteJob->IncandescenceTexture->m_Texture); } else { @@ -804,7 +796,7 @@ void DrawFinalPass::BindExplosionTextures(GLuint shaderHandle, std::shared_ptrDiffuseTexture.size() > 0 && job->DiffuseTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->DiffuseTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(job->DiffuseTexture[0]->UVRepeat)); @@ -814,7 +806,7 @@ void DrawFinalPass::BindExplosionTextures(GLuint shaderHandle, std::shared_ptrNormalTexture.size() > 0 && job->NormalTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->NormalTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "NormalUVRepeat"), 1, glm::value_ptr(job->NormalTexture[0]->UVRepeat)); @@ -824,7 +816,7 @@ void DrawFinalPass::BindExplosionTextures(GLuint shaderHandle, std::shared_ptrSpecularTexture.size() > 0 && job->SpecularTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->SpecularTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "SpecularUVRepeat"), 1, glm::value_ptr(job->SpecularTexture[0]->UVRepeat)); @@ -834,7 +826,7 @@ void DrawFinalPass::BindExplosionTextures(GLuint shaderHandle, std::shared_ptrIncandescenceTexture.size() > 0 && job->IncandescenceTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->IncandescenceTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "GlowUVRepeat"), 1, glm::value_ptr(job->IncandescenceTexture[0]->UVRepeat)); @@ -847,7 +839,7 @@ void DrawFinalPass::BindExplosionTextures(GLuint shaderHandle, std::shared_ptrSplatMap->Texture->m_Texture); int texturePosition = GL_TEXTURE1; @@ -922,7 +914,7 @@ void DrawFinalPass::BindModelTextures(GLuint shaderHandle, std::shared_ptrDiffuseTexture.size() > 0 && job->DiffuseTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->DiffuseTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "DiffuseUVRepeat"), 1, glm::value_ptr(job->DiffuseTexture[0]->UVRepeat)); @@ -932,7 +924,7 @@ void DrawFinalPass::BindModelTextures(GLuint shaderHandle, std::shared_ptrNormalTexture.size() > 0 && job->NormalTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->NormalTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "NormalUVRepeat"), 1, glm::value_ptr(job->NormalTexture[0]->UVRepeat)); @@ -942,7 +934,7 @@ void DrawFinalPass::BindModelTextures(GLuint shaderHandle, std::shared_ptrSpecularTexture.size() > 0 && job->SpecularTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->SpecularTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "SpecularUVRepeat"), 1, glm::value_ptr(job->SpecularTexture[0]->UVRepeat)); @@ -952,7 +944,7 @@ void DrawFinalPass::BindModelTextures(GLuint shaderHandle, std::shared_ptrIncandescenceTexture.size() > 0 && job->IncandescenceTexture[0]->Texture != nullptr) { glBindTexture(GL_TEXTURE_2D, job->IncandescenceTexture[0]->Texture->m_Texture); glUniform2fv(glGetUniformLocation(shaderHandle, "GlowUVRepeat"), 1, glm::value_ptr(job->IncandescenceTexture[0]->UVRepeat)); @@ -965,10 +957,10 @@ void DrawFinalPass::BindModelTextures(GLuint shaderHandle, std::shared_ptrSplatMap->Texture->m_Texture); - int texturePosition = GL_TEXTURE1; + int texturePosition = GL_TEXTURE2; //Bind 5 diffuse textures std::string UniformName = "DiffuseUVRepeat"; diff --git a/src/Engine/Rendering/PickingPass.cpp b/src/Engine/Rendering/PickingPass.cpp index ecd0a4b8..73679a68 100644 --- a/src/Engine/Rendering/PickingPass.cpp +++ b/src/Engine/Rendering/PickingPass.cpp @@ -23,11 +23,20 @@ void PickingPass::InitializeTextures() void PickingPass::InitializeFrameBuffers() { - glGenRenderbuffers(1, &m_DepthBuffer); + /* glGenRenderbuffers(1, &m_DepthBuffer); glBindRenderbuffer(GL_RENDERBUFFER, m_DepthBuffer); - glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height); + glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height);*/ - m_PickingBuffer.AddResource(std::shared_ptr(new RenderBuffer(&m_DepthBuffer, GL_DEPTH_ATTACHMENT))); + glGenTextures(1, &m_DepthBuffer); + + glBindTexture(GL_TEXTURE_2D, m_DepthBuffer); + glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH24_STENCIL8, (int)(m_Renderer->GetViewportSize().Width), (int)(m_Renderer->GetViewportSize().Height), 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, nullptr); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER); + + m_PickingBuffer.AddResource(std::shared_ptr(new Texture2D(&m_DepthBuffer, GL_DEPTH_ATTACHMENT))); m_PickingBuffer.AddResource(std::shared_ptr(new Texture2D(&m_PickingTexture, GL_COLOR_ATTACHMENT0))); m_PickingBuffer.Generate(); } @@ -61,7 +70,9 @@ void PickingPass::Draw(RenderScene& scene) m_PickingProgram->Bind(); if (scene.ClearDepth) { - glClear(GL_DEPTH_BUFFER_BIT); + //glClear(GL_DEPTH_BUFFER_BIT); + state->Disable(GL_DEPTH_TEST); + state->DepthMask(GL_FALSE); } m_Camera = scene.Camera; diff --git a/src/Engine/Rendering/Renderer.cpp b/src/Engine/Rendering/Renderer.cpp index 79c935a5..2336ff99 100644 --- a/src/Engine/Rendering/Renderer.cpp +++ b/src/Engine/Rendering/Renderer.cpp @@ -93,12 +93,15 @@ void Renderer::Update(double dt) void Renderer::Draw(RenderFrame& frame) { - ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking\0SSAO"); + ImGui::Combo("Draw textures", &m_DebugTextureToDraw, "Final\0Scene\0Bloom\0SceneLowRes\0BloomLowRes\0Gaussian\0Picking\0Ambient Occlusion"); - ImGui::SliderFloat("SSAO sample radius", &m_SSAO_Radius, 0.0001f, 1.0f); - ImGui::SliderFloat("SSAO bias", &m_SSAO_Bias, 0.0f, 1.0f); - ImGui::SliderFloat("SSAO intensity", &m_SSAO_Intensity, 0.0f, 1.0f); - m_SSAOPass->Setting(m_SSAO_Radius, m_SSAO_Bias, m_SSAO_Intensity); + ImGui::SliderFloat("SSAO sample radius", &m_SSAO_Radius, 0.01f, 5.0f); + ImGui::SliderFloat("SSAO bias", &m_SSAO_Bias, 0.0f, 0.1f); + ImGui::SliderFloat("SSAO contrast", &m_SSAO_Contrast, 0.0f, 10.0f); + ImGui::SliderFloat("SSAO IntensityScale", &m_SSAO_IntensityScale, 0.0f, 10.0f); + ImGui::SliderInt("SSAO Number of Samples", &m_SSAO_NumOfSamples, 2, 100); + ImGui::SliderInt("SSAO Number of Turns", &m_SSAO_NumOfTurns, 0, 50); + m_SSAOPass->Setting(m_SSAO_Radius, m_SSAO_Bias, m_SSAO_Contrast, m_SSAO_IntensityScale, m_SSAO_NumOfSamples, m_SSAO_NumOfTurns); //clear buffer 0 glClearColor(0.f, 0.f, 0.f, 0.f); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); @@ -107,20 +110,23 @@ void Renderer::Draw(RenderFrame& frame) m_PickingPass->ClearPicking(); m_DrawFinalPass->ClearBuffer(); m_DrawBloomPass->ClearBuffer(); - + for (auto scene : frame.RenderScenes) { + m_PickingPass->Draw(*scene); + GLERROR("Drawing pickingpass"); + } + m_SSAOPass->Draw(m_PickingPass->DepthBuffer(), frame.RenderScenes.front()->Camera); + GLuint ao = m_SSAOPass->SSAOTexture(); for (auto scene : frame.RenderScenes){ SortRenderJobsByDepth(*scene); GLERROR("SortByDepth"); - m_PickingPass->Draw(*scene); - GLERROR("Drawing pickingpass"); m_LightCullingPass->GenerateNewFrustum(*scene); GLERROR("Generate frustums"); m_LightCullingPass->FillLightList(*scene); GLERROR("Filling light list"); m_LightCullingPass->CullLights(*scene); GLERROR("LightCulling"); - m_DrawFinalPass->Draw(*scene); + m_DrawFinalPass->Draw(*scene, ao); GLERROR("Draw Geometry+Light"); //m_DrawScenePass->Draw(*scene); @@ -129,10 +135,9 @@ void Renderer::Draw(RenderFrame& frame) } m_DrawBloomPass->Draw(m_DrawFinalPass->BloomTexture()); - m_SSAOPass->Draw(m_DrawFinalPass->DepthBuffer(), m_DrawFinalPass->DepthBufferCamera()); if (m_DebugTextureToDraw == 0) { - m_DrawColorCorrectionPass->Draw(m_DrawFinalPass->SceneTexture(), m_DrawBloomPass->GaussianTexture(), m_DrawFinalPass->SceneTextureLowRes(), m_DrawFinalPass->BloomTextureLowRes(), m_SSAOPass->SSAOTexture(), frame.Gamma, frame.Exposure); + m_DrawColorCorrectionPass->Draw(m_DrawFinalPass->SceneTexture(), m_DrawBloomPass->GaussianTexture(), m_DrawFinalPass->SceneTextureLowRes(), m_DrawFinalPass->BloomTextureLowRes(), frame.Gamma, frame.Exposure); } if (m_DebugTextureToDraw == 1) { m_DrawScreenQuadPass->Draw(m_DrawFinalPass->SceneTexture()); diff --git a/src/Engine/Rendering/SSAOPass.cpp b/src/Engine/Rendering/SSAOPass.cpp index 67b5cf33..331e040f 100644 --- a/src/Engine/Rendering/SSAOPass.cpp +++ b/src/Engine/Rendering/SSAOPass.cpp @@ -8,7 +8,7 @@ SSAOPass::SSAOPass(IRenderer* renderer) InitializeBuffer(); InitializeShaderProgram(); - Setting(0.1f, 0.012f, 1.0f); + Setting(0.1f, 0.012f, 1.0f, 1.0f, 13, 7); m_DrawBloomPass = new DrawBloomPass(renderer); } @@ -31,12 +31,12 @@ void SSAOPass::InitializeShaderProgram() void SSAOPass::InitializeBuffer() { - GenerateTexture(&m_SSAOTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB16F, GL_RGB, GL_FLOAT); + GenerateTexture(&m_SSAOTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R8, GL_RED, GL_FLOAT); m_SSAOFramBuffer.AddResource(std::shared_ptr(new Texture2D(&m_SSAOTexture, GL_COLOR_ATTACHMENT0))); m_SSAOFramBuffer.Generate(); - GenerateTexture(&m_SSAOViewSpaceZTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_RGB32F, GL_RGB, GL_FLOAT); + GenerateTexture(&m_SSAOViewSpaceZTexture, GL_CLAMP_TO_EDGE, GL_LINEAR, glm::vec2(m_Renderer->GetViewportSize().Width, m_Renderer->GetViewportSize().Height), GL_R32F, GL_RED, GL_FLOAT); m_SSAOViewSpaceZFramBuffer.AddResource(std::shared_ptr(new Texture2D(&m_SSAOViewSpaceZTexture, GL_COLOR_ATTACHMENT0))); m_SSAOViewSpaceZFramBuffer.Generate(); @@ -55,10 +55,13 @@ void SSAOPass::ClearBuffer() m_SSAOViewSpaceZFramBuffer.Unbind(); } -void SSAOPass::Setting(float radius, float bias, float intensity) { +void SSAOPass::Setting(float radius, float bias, float contrast, float intensityScale, int numOfSamples, int NumOfTurns) { m_Radius = radius; m_Bias = bias; - m_Intensity = intensity; + m_Contrast = contrast; + m_IntensityScale = intensityScale; + m_NumOfSamples = numOfSamples; + m_NumOfTurns = NumOfTurns; } void SSAOPass::GenerateTexture(GLuint* texture, GLenum wrapping, GLenum filtering, glm::vec2 dimensions, GLint internalFormat, GLint format, GLenum type) const @@ -102,10 +105,10 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera) , GL_UNSIGNED_INT, 0, m_ScreenQuad->MaterialGroups()[0].material->StartIndex); glm::vec4 projInfo = glm::vec4( - (-2.0f / (m_Renderer->GetViewportSize().Width * camera->ProjectionMatrix()[0][0])), - (-2.0f / (m_Renderer->GetViewportSize().Height * camera->ProjectionMatrix()[1][1])), - ((1.0f - camera->ProjectionMatrix()[0][2]) / camera->ProjectionMatrix()[0][0]), - ((1.0f - camera->ProjectionMatrix()[1][2]) / camera->ProjectionMatrix()[1][1]) + ((1.0 - camera->ProjectionMatrix()[0][2]) / camera->ProjectionMatrix()[0][0]), + (-2.0 / (m_Renderer->GetViewportSize().Width * camera->ProjectionMatrix()[0][0])), + ((1.0 + camera->ProjectionMatrix()[1][2]) / camera->ProjectionMatrix()[1][1]), + (-2.0 / (m_Renderer->GetViewportSize().Height * camera->ProjectionMatrix()[1][1])) ); @@ -116,13 +119,16 @@ void SSAOPass::Draw(GLuint depthBuffer, Camera* camera) glBindTexture(GL_TEXTURE_2D, m_SSAOViewSpaceZTexture); // How many pixel there are in a 1m long object 1m away from the camera - glUniform1f(glGetUniformLocation(SSAOShaderHandle, "ProjScale"), m_Renderer->GetViewportSize().Height / (-2.0f * glm::tan(camera->FOV() * 0.5f))); + glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uProjScale"), m_Renderer->GetViewportSize().Height / (-2.0f * glm::tan(camera->FOV() * 0.5f))); - glUniform1f(glGetUniformLocation(SSAOShaderHandle, "Radius"), m_Radius); - glUniform1f(glGetUniformLocation(SSAOShaderHandle, "Bias"), m_Bias); - glUniform1f(glGetUniformLocation(SSAOShaderHandle, "IntensityDivR6"), m_Intensity / glm::pow(m_Radius, 6)); + glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uRadius"), m_Radius); + glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uBias"), m_Bias); + glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uContrast"), m_Contrast); + glUniform1f(glGetUniformLocation(SSAOShaderHandle, "uIntensityScale"), m_IntensityScale); + glUniform1i(glGetUniformLocation(SSAOShaderHandle, "uNumOfSamples"), m_NumOfSamples); + glUniform1i(glGetUniformLocation(SSAOShaderHandle, "uNumOfTurns"), m_NumOfTurns);; - glUniform4fv(glGetUniformLocation(SSAOShaderHandle, "ProjInfo"), 1, glm::value_ptr(projInfo)); + glUniform4fv(glGetUniformLocation(SSAOShaderHandle, "uProjInfo"), 1, glm::value_ptr(projInfo)); glDrawElementsBaseVertex(GL_TRIANGLES, m_ScreenQuad->MaterialGroups()[0].material->EndIndex - m_ScreenQuad->MaterialGroups()[0].material->StartIndex + 1 , GL_UNSIGNED_INT, 0, m_ScreenQuad->MaterialGroups()[0].material->StartIndex);