mesa: add view classes for 3d astc formats

[mesa.git] / src / mesa / main / formatquery.c

diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index 28d82a206eb4fa3fd5995864e84f47208b70f474..215c14f889fe131c1e350f1bf1d347e15e7a0a0a 100644 (file)
--- a/src/mesa/main/formatquery.c
+++ b/src/mesa/main/formatquery.c
@@ -590,6 +590,17 @@ _legal_target_for_framebuffer_texture_layer(struct gl_context *ctx,
    }
 }
 
+static GLenum
+_mesa_generic_type_for_internal_format(GLenum internalFormat)
+{
+   if (_mesa_is_enum_format_unsigned_int(internalFormat))
+      return GL_UNSIGNED_BYTE;
+   else if (_mesa_is_enum_format_signed_int(internalFormat))
+      return GL_BYTE;
+   else
+      return GL_FLOAT;
+}
+
 /* default implementation of QueryInternalFormat driverfunc, for
  * drivers not implementing ARB_internalformat_query2.
  */
@@ -598,9 +609,7 @@ _mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
                                     GLenum internalFormat, GLenum pname,
                                     GLint *params)
 {
-   (void) ctx;
    (void) target;
-   (void) internalFormat;
 
    switch (pname) {
    case GL_SAMPLES:
@@ -616,6 +625,52 @@ _mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
       params[0] = internalFormat;
       break;
 
+   case GL_READ_PIXELS_FORMAT: {
+      GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+      switch (base_format) {
+      case GL_STENCIL_INDEX:
+      case GL_DEPTH_COMPONENT:
+      case GL_DEPTH_STENCIL:
+      case GL_RED:
+      case GL_RGB:
+      case GL_BGR:
+      case GL_RGBA:
+      case GL_BGRA:
+         params[0] = base_format;
+         break;
+      default:
+         params[0] = GL_NONE;
+         break;
+      }
+      break;
+   }
+
+   case GL_READ_PIXELS_TYPE:
+   case GL_TEXTURE_IMAGE_TYPE:
+   case GL_GET_TEXTURE_IMAGE_TYPE: {
+      GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+      if (base_format > 0)
+         params[0] = _mesa_generic_type_for_internal_format(internalFormat);
+      else
+         params[0] = GL_NONE;
+      break;
+   }
+
+   case GL_TEXTURE_IMAGE_FORMAT:
+   case GL_GET_TEXTURE_IMAGE_FORMAT: {
+      GLenum format = GL_NONE;
+      GLenum base_format = _mesa_base_tex_format(ctx, internalFormat);
+      if (base_format > 0) {
+         if (_mesa_is_enum_format_integer(internalFormat))
+           format = _mesa_base_format_to_integer_format(base_format);
+         else
+           format = base_format;
+      }
+
+      params[0] = format;
+      break;
+   }
+
    case GL_MANUAL_GENERATE_MIPMAP:
    case GL_AUTO_GENERATE_MIPMAP:
    case GL_SRGB_READ:
@@ -1090,32 +1145,18 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
       break;
 
    case GL_READ_PIXELS:
-      ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
-                                      buffer);
-      break;
-
    case GL_READ_PIXELS_FORMAT:
-      /* @TODO */
-      break;
-
    case GL_READ_PIXELS_TYPE:
-      /* @TODO */
+      ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+                                      buffer);
       break;
 
    case GL_TEXTURE_IMAGE_FORMAT:
-      /* @TODO */
-      break;
-
-   case GL_TEXTURE_IMAGE_TYPE:
-      /* @TODO */
-      break;
-
    case GL_GET_TEXTURE_IMAGE_FORMAT:
-      /* @TODO */
-      break;
-
+   case GL_TEXTURE_IMAGE_TYPE:
    case GL_GET_TEXTURE_IMAGE_TYPE:
-      /* @TODO */
+      ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
+                                      buffer);
       break;
 
    case GL_MIPMAP: