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Revert "Revert "Forward+""

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This reverts commit b908a9f9c6.
This commit is contained in:
Tleety
2016-01-11 17:56:58 +01:00
parent 84818f6fcb
commit 0cf8d26557
25 changed files with 780 additions and 272 deletions
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resources/Shaders/GridFrustum.comp.glsl
+27 -24
View File
@@ -16,7 +16,7 @@ struct Frustum {
layout (std430, binding = 0) buffer FrustumBuffer
{
Frustum Data[3600];
Frustum Data[];
} Frustums;
vec4 ConvertToView(vec4 ScreenCoords)
@@ -43,31 +43,34 @@ Plane ComputePlane( vec3 p0, vec3 p1, vec3 p2 )
layout (local_size_x = 16, local_size_y = 16, local_size_z = 1) in;
void main ()
{
if(gl_GlobalInvocationID.x * TILE_SIZE < ScreenDimensions.x && gl_GlobalInvocationID.y * TILE_SIZE < ScreenDimensions.y) {
//Top-Left = 0 | Top-Right = 1
//Bottom-Left = 2 | Bottom-Right = 3
vec4 ScreenCoords[4];
ScreenCoords[0] = vec4(gl_GlobalInvocationID.x * TILE_SIZE, (gl_GlobalInvocationID.y + 1 ) * TILE_SIZE, -1.0, 1.0); // Z-axis might need to be 1
ScreenCoords[1] = vec4((gl_GlobalInvocationID.x + 1) * TILE_SIZE, (gl_GlobalInvocationID.y + 1) * TILE_SIZE, -1.0, 1.0);
ScreenCoords[2] = vec4(gl_GlobalInvocationID.x * TILE_SIZE, (gl_GlobalInvocationID.y) * TILE_SIZE, -1.0, 1.0);
ScreenCoords[3] = vec4((gl_GlobalInvocationID.x + 1) * TILE_SIZE, (gl_GlobalInvocationID.y) * TILE_SIZE, -1.0, 1.0);
vec3 ViewVectors[4];
for(int i = 0; i < 4; i++) {
ViewVectors[i] = vec3(ConvertToView(ScreenCoords[i]));
}
vec3 EyePos = vec3(0,0,0);
Frustum f;
f.Planes[0] = ComputePlane(EyePos, ViewVectors[2], ViewVectors[0]);
f.Planes[1] = ComputePlane(EyePos, ViewVectors[1], ViewVectors[3]);
f.Planes[2] = ComputePlane(EyePos, ViewVectors[0], ViewVectors[1]);
f.Planes[3] = ComputePlane(EyePos, ViewVectors[3], ViewVectors[2]);
//Top-Left = 0 | Top-Right = 1
//Bottom-Left = 2 | Bottom-Right = 3
vec4 ScreenCoords[4];
ScreenCoords[0] = vec4(gl_GlobalInvocationID.x * TILE_SIZE, (gl_GlobalInvocationID.y + 1) * TILE_SIZE, -1.0, 1.0);
ScreenCoords[1] = vec4((gl_GlobalInvocationID.x + 1) * TILE_SIZE, (gl_GlobalInvocationID.y + 1) * TILE_SIZE, -1.0, 1.0);
ScreenCoords[2] = vec4(gl_GlobalInvocationID.x * TILE_SIZE, (gl_GlobalInvocationID.y) * TILE_SIZE, -1.0, 1.0);
ScreenCoords[3] = vec4((gl_GlobalInvocationID.x + 1) * TILE_SIZE, (gl_GlobalInvocationID.y) * TILE_SIZE, -1.0, 1.0);
Frustums.Data[gl_GlobalInvocationID.x + gl_GlobalInvocationID.y*80] = f;
vec3 ViewVectors[4];
for(int i = 0; i < 4; i++) {
ViewVectors[i] = vec3(ConvertToView(ScreenCoords[i]));
}
vec3 EyePos = vec3(0.0, 0.0 ,0.0);
Frustum f;
f.Planes[0] = ComputePlane(EyePos, ViewVectors[2], ViewVectors[0]); // left plane
f.Planes[1] = ComputePlane(EyePos, ViewVectors[1], ViewVectors[3]); // right plane
f.Planes[2] = ComputePlane(EyePos, ViewVectors[0], ViewVectors[1]); // top plane
f.Planes[3] = ComputePlane(EyePos, ViewVectors[3], ViewVectors[2]); // bottom plane
if ( gl_GlobalInvocationID.x < ScreenDimensions.x / TILE_SIZE && gl_GlobalInvocationID.y < ScreenDimensions.y / TILE_SIZE ) { // inside the screen
Frustums.Data[gl_GlobalInvocationID.x + gl_GlobalInvocationID.y*80] = f;
}
}