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-rw-r--r--src/mesa/main/formatquery.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/src/mesa/main/formatquery.c b/src/mesa/main/formatquery.c
index a5f7c774a9d..32f8cf42953 100644
--- 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.
*/
@@ -634,6 +645,15 @@ _mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
break;
}
+ case GL_READ_PIXELS_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_MANUAL_GENERATE_MIPMAP:
case GL_AUTO_GENERATE_MIPMAP:
case GL_SRGB_READ:
@@ -1109,14 +1129,11 @@ _mesa_GetInternalformativ(GLenum target, GLenum internalformat, GLenum pname,
case GL_READ_PIXELS:
case GL_READ_PIXELS_FORMAT:
+ case GL_READ_PIXELS_TYPE:
ctx->Driver.QueryInternalFormat(ctx, target, internalformat, pname,
buffer);
break;
- case GL_READ_PIXELS_TYPE:
- /* @TODO */
- break;
-
case GL_TEXTURE_IMAGE_FORMAT:
/* @TODO */
break;