nvc0: fix some limit cap values

NOTE: This is a candidate for the 8.0 branch.

src/gallium/drivers/nvc0/nvc0_screen.c

@@ -69,15 +69,14 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
 {
    switch (param) {
    case PIPE_CAP_MAX_COMBINED_SAMPLERS:
-      return 64;
+      return 16 * PIPE_SHADER_TYPES; /* NOTE: should not count COMPUTE */
    case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
-      return 13;
-   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
-      return 10;
    case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
-      return 13;
+      return 15;
+   case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
+      return 12;
    case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
-      return 8192;
+      return 2048;
    case PIPE_CAP_MIN_TEXEL_OFFSET:
       return -8;
    case PIPE_CAP_MAX_TEXEL_OFFSET:
@@ -167,7 +166,9 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
    case PIPE_SHADER_CAP_MAX_INPUTS:
       if (shader == PIPE_SHADER_VERTEX)
          return 32;
-      return 0x300 / 16;
+      if (shader == PIPE_SHADER_FRAGMENT)
+         return (0x200 + 0x20 + 0x80) / 16; /* generic + colors + TexCoords */
+      return (0x200 + 0x40 + 0x80) / 16; /* without 0x60 for per-patch inputs */
    case PIPE_SHADER_CAP_MAX_CONSTS:
       return 65536 / 16;
    case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
@@ -191,7 +192,11 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
    case PIPE_SHADER_CAP_INTEGERS:
       return 1;
    case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
+      return 16; /* would be 32 in linked (OpenGL-style) mode */
+      /*
+   case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLER_VIEWS:
       return 32;
+      */
    case PIPE_SHADER_CAP_OUTPUT_READ:
       return 0; /* shader != PIPE_SHADER_TESSELLATION_CONTROL; */
    default:
@@ -208,12 +213,13 @@ nvc0_screen_get_paramf(struct pipe_screen *pscreen, enum pipe_capf param)
    case PIPE_CAPF_MAX_LINE_WIDTH_AA:
       return 10.0f;
    case PIPE_CAPF_MAX_POINT_WIDTH:
+      return 63.0f;
    case PIPE_CAPF_MAX_POINT_WIDTH_AA:
-      return 64.0f;
+      return 63.375f;
    case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
       return 16.0f;
    case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
-      return 4.0f;
+      return 15.0f;
    default:
       NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
       return 0.0f;