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Add basic view.h matrices

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Kneelawk 2024-03-01 10:30:17 -08:00
parent bf3b8ea89b
commit 116b2df6a9
Failed to generate hash of commit
2 changed files with 18 additions and 3 deletions
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17
src/main/java/com/jozufozu/flywheel/backend/engine/uniform/FrameUniforms.java
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@ -20,6 +20,10 @@ public class FrameUniforms implements UniformProvider {
@Nullable
private RenderContext context;
private final Matrix4f view = new Matrix4f();
private final Matrix4f viewInverse = new Matrix4f();
private final Matrix4f projection = new Matrix4f();
private final Matrix4f projectionInverse = new Matrix4f();
private final Matrix4f viewProjection = new Matrix4f();
private final Matrix4f viewProjectionInverse = new Matrix4f();
@ -46,6 +50,9 @@ public class FrameUniforms implements UniformProvider {
var camY = (float) (cameraPos.y - renderOrigin.getY());
var camZ = (float) (cameraPos.z - renderOrigin.getZ());
view.set(context.stack().last().pose());
view.translate(-camX, -camY, -camZ);
projection.set(context.projection());
viewProjection.set(context.viewProjection());
viewProjection.translate(-camX, -camY, -camZ);
@ -77,9 +84,13 @@ public class FrameUniforms implements UniformProvider {
}
private long writeMatrices(long ptr) {
MatrixMath.writeUnsafe(viewProjection, ptr);
MatrixMath.writeUnsafe(viewProjection.invert(viewProjectionInverse), ptr + 64);
return ptr + 128;
MatrixMath.writeUnsafe(view, ptr);
MatrixMath.writeUnsafe(view.invert(viewInverse), ptr + 64);
MatrixMath.writeUnsafe(projection, ptr + 64 * 2);
MatrixMath.writeUnsafe(projection.invert(projectionInverse), ptr + 64 * 3);
MatrixMath.writeUnsafe(viewProjection, ptr + 64 * 4);
MatrixMath.writeUnsafe(viewProjection.invert(viewProjectionInverse), ptr + 64 * 5);
return ptr + 64 * 6;
}
private static long writeCamera(long ptr, float camX, float camY, float camZ, Camera camera) {

4
src/main/resources/assets/flywheel/flywheel/internal/uniforms/frame.glsl
View file

@ -12,6 +12,10 @@ struct FrustumPlanes {
layout(std140) uniform _FlwFrameUniforms {
FrustumPlanes flw_frustumPlanes;
mat4 flw_view;
mat4 flw_viewInverse;
mat4 flw_projection;
mat4 flw_projectionInverse;
mat4 flw_viewProjection;
mat4 flw_viewProjectionInverse;