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Divide-Framework

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-- Vertex

uniform vec3 dvd_cameraPosition;

out vec3 _vertex;

void main(void){
    _vertex = normalize(inVertexData);
    gl_Position = dvd_ViewProjectionMatrix * vec4(inVertexData + dvd_cameraPosition, 1.0);
    gl_Position.z = gl_Position.w -0.00001; //fix to far plane.
}

-- Fragment

in vec3 _vertex;
out vec4 _skyColor;

uniform bool enable_sun;
uniform vec3 sun_vector;
uniform vec3 sun_color;
uniform samplerCube texSky;

vec3 sunColor(){
	vec3 vert = normalize(_vertex);
    vec3 sun = normalize(sun_vector);
        
    float day_factor = max(-sun.y, 0.0);
        
    float dotv = max(dot(vert, -sun), 0.0);
    vec3  sun_color = clamp(sun_color*1.5, 0.0, 1.0);
    
    float pow_factor = day_factor * 225.0 + 75.0;
    float sun_factor = clamp(pow(dotv, pow_factor), 0.0, 1.0);
        
    return day_factor + sun_color * sun_factor;
}

void main (void){

    vec3 sky_color = texture(texSky, _vertex.xyz).rgb;
    _skyColor = vec4(enable_sun ? sky_color * sunColor() : sky_color, 1.0);
}

Commits for Divide-Framework/trunk/assets/shaders/GLSL/sky.glsl

Diff revisions: vs.
Revision Author Commited Message
280 Diff Diff IonutCava picture IonutCava Sat 28 Jun, 2014 19:11:37 +0000

[Ionut] [[BR]]
- Improve ClipPlane management (bunch equations into the matrix shader buffer) [[BR]]
- Immediate mode emulation primitives set their own state based on specified hash instead of relying on state functions to be defined [[BR]]
- updateStates() function is now called right before the actual draw call to facilitate future batching work [[BR]]
- added tracked bool values (similar to those in ShaderInfo) to SGN class to fix selection bug. [[BR]]
— will probably create a “stateTracker” class to allow multiple classes to use tracked variables without all of the code duplication [[BR]]

274 Diff Diff IonutCava picture IonutCava Fri 13 Jun, 2014 12:56:03 +0000

[Ionut] [[BR]]
- Simplified buffer based rendering (VertexBuffer & GenericVertexData are now exclusively command based) [[BR]]
- Update bone buffer to persistent mapped-SSBO system with double-buffering [[BR]]
- Simplified sky rendering and (finally) reduced the sun’s radius [[BR]]

265 Diff Diff k1ngp1n picture k1ngp1n Tue 27 May, 2014 19:47:56 +0000

[Ionut] [[BR]]
- reworked uniform buffer binding [[BR]]
- modified framebuffer mipmap update [[BR]]

264 Diff Diff k1ngp1n picture k1ngp1n Tue 27 May, 2014 13:04:38 +0000

[Ionut] [[BR]]
- New camera system: [[BR]]
— Stack based (push/pop active camera) [[BR]]
— Per camera frustum [[BR]]
— Per camera projection [[BR]]
— Shadow mapping now uses the new camera system (each light has a shadow camera) [[BR]]
[[BR]]
- New terrain, water and vegetation system: [[BR]]
— Direct import of terrain from L3DT both as 8-bit grayscale and 16-bit raw formats [[BR]]
— Multiple alpha maps for texture splatting support [[BR]]
— Per texture detail map support [[BR]]
— Transform feedback based visibility culling for vegetation [[BR]]
— Alpha-map based vegetation placing on terrain [[BR]]
— Water now uses a refraction map instead of alpha blending for better refraction effects [[BR]]
[[BR]]
- SceneGraph improvements: [[BR]]
— Better bounding box updates from child to parent [[BR]]
— Better onDraw / postDraw implementation [[BR]]
[[BR]]
- Performance improvements: [[BR]]
— Batch 2D rendering tasks together as much as possible[[BR]]
— Improve renderStateBlock hash generation for better sorting [[BR]]
— Move most state related gfx changes from API implementation to the GFXDevice class [[BR]]
— Move viewport stack to the GFXDevice class [[BR]]
— Added various performance counters (frame duration with round-robin query system, draw call count, etc) [[BR]]
— Fixed and improved clip plane management [[BR]]
— Delete client-side texture data after GPU upload [[BR]]
[[BR]]
- New features: [[BR]]
— Added callback support to the Task class so that a specific task may call a function in the main thread upon completion [[BR]]
— Added mouse-wheel zoom support to Orbit/ThirdPerson cameras [[BR]]
— Added 2D Texture Array support (e.g. used for terrain textures) [[BR]]

259 Diff Diff k1ngp1n picture k1ngp1n Sun 27 Apr, 2014 18:24:52 +0000

[Ionut][[BR]]
- Implemented Exponential Stable Cascaded Shadow Maps for directional lights (still buggy, but basically working) [[BR]]
— CSM settings (resolution, number of splits, etc) are part of the scene render state [[BR]]
- SGN can skip rendering for the current frame if they are not ready (e.g. OnDraw can now return false or materials can fail to bind) [[BR]]
- Frustum class is now using the Plane class [[BR]]
- Removed Math SIMD implementation as the compiler generated code will always be faster and safer [[BR]]
- Added a “STUBBED” macro for outputing to the error stream of important messages (instead of using #pragma message) [[BR]]
- Added “freeze time” logic to pause/resume updates with or without freezing the GUI too [[BR]]
- Added “processGUI” method the every Scene class to separate time-sensitive GUI updates from game logic loop [[BR]]
- GLSL <-> Vertex Buffer bind locations are automatically set for every vertex shader [[BR]]
- Added basic support for compute shaders [[BR]]
- Removed most OS define checks to make porting to a new platform easier [[BR]]
- Texture transparency check per-pixel is now using OpenMP [[BR]]
- Texture samplers can now set a border color for CLAMP_TO_BORDER wrap mode [[BR]]
- Removed “Object” suffix from GFX Classes (pixel buffer, vertex buffer, frame buffer, etc) [[BR]]
- Stop processing scene input when application looses focus [[BR]]
- SceneGraphNode class is now responsible for updating SGNComponents on draw and calling its _node’s OnDraw method [[BR]]
- UBOs can now list all of the active uniforms inside a block with info such as type and offset [[BR]]
- Removed deprecated ‘GLCheck’ macro [[BR]]
- A lot of bug fixes and performance improvements in various places [[BR]]

253 Diff Diff k1ngp1n picture k1ngp1n Wed 09 Apr, 2014 11:30:54 +0000

[Ionut] [[BR]]
- Split SceneAnimator in global and per-instance data (SceneAnimator and AnimatorComponent) respectively [[BR]]
— Each SceneNode, sharing the same skinned mesh can have different animations with different timings now [[BR]]
- Fixed particle systems' billboarding issues [[BR]]
- More cleaning up of the Material class [[BR]]

247 Diff Diff k1ngp1n picture k1ngp1n Sun 16 Feb, 2014 16:36:06 +0000

[Ionut] [[BR]]
- Fixed VSM rendering [[BR]]
- Added Z-prePass as a separate render stage [[BR]]
- Added GL error checking and asserts to “Profile” builds [[BR]]
- Fixed bad XML material dump (invalid file name bug) [[BR]]
- Fixed random crashes [[BR]]
- Shadow cast/receive is now a node property, and not a material property [[BR]]
- Fixed an issue with previous RenderPassManager lock mechanism (clearing the queue on frame end to prevent infinite lock) [[BR]]
- Added depth buffer preview (F10 key) [[BR]]

225 Diff Diff k1ngp1n picture k1ngp1n Fri 10 Jan, 2014 15:33:14 +0000

[Ionut] [[BR]]
- Fixed skybox rendering in reflection [[BR]]
- Changed grass rendering from QUADS to TRIANGLES [[BR]]
— Hacked Vegetation class into a SceneNode so that it’s used as child SceneGraphNode to the terrain but rendering is alpha sorted [[BR]]
— Alpha blending not correct for now (so it’s disabled) [[BR]]
- Fixed VAO primitive restart system when more than one VAO uses it [[BR]]

221 Diff Diff k1ngp1n picture k1ngp1n Wed 08 Jan, 2014 18:50:02 +0000

[Ionut] [[BR]]
- Merged branch “Shadows And Animations” back into trunk [[BR]]
- Added DoxygenGUI project file [[BR]]

  • Buggy *
191 k1ngp1n picture k1ngp1n Fri 29 Nov, 2013 16:29:19 +0000

[Ionut] [Matrix code is incomplete! Does not render correctly yet!] [[BR]]
- Instancing support, part 1: [[BR]]
— Moved most matrix calculations to the GFXDevice class for easier stacking of renderInstances later [[BR]]
- Fixed a bug in WarScene causinga stack overflow [[BR]]