gallium/auxiliary/vl: NIR compute shaders

Remove drawn area check and instead adjust grid layout so that this check
is not needed.
Change crop_x/crop_y from int to float to avoid converting it in shaders,
also all shaders now supports cropping.

Acked-by: Thong Thai <thong.thai@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25562>

src/gallium/auxiliary/meson.build

@@ -567,7 +567,7 @@ libgalliumvl = static_library(
   cpp_args : [cpp_msvc_compat_args],
   gnu_symbol_visibility : 'hidden',
   include_directories : [inc_gallium, inc_include, inc_src],
-  dependencies : idep_mesautil,
+  dependencies : [idep_nir, idep_mesautil],
   build_by_default : false,
 )
 

src/gallium/auxiliary/vl/vl_compositor.c

@@ -818,7 +818,7 @@ vl_compositor_init_state(struct vl_compositor_state *s, struct pipe_context *pip
       pipe->screen,
       PIPE_BIND_CONSTANT_BUFFER,
       PIPE_USAGE_DEFAULT,
-      sizeof(csc_matrix) + 12*sizeof(float) + 10*sizeof(int)
+      sizeof(csc_matrix) + 16*sizeof(float) + 2*sizeof(int)
    );
 
    if (!s->shader_params)

src/gallium/auxiliary/vl/vl_compositor_cs.h

@@ -32,13 +32,6 @@
 
 #include "vl_compositor.h"
 
-/**
- * create compute shader
- */
-void *
-vl_compositor_cs_create_shader(struct vl_compositor *c,
-                               const char           *compute_shader_text);
-
 /**
  * render the layers to the frontbuffer with compute shader
  */