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-rw-r--r--src/mesa/main/texparam.c39
1 files changed, 20 insertions, 19 deletions
diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 8a3e02f0552..ba83f8fda9a 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -1223,6 +1223,26 @@ _mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target
case GL_TEXTURE_2D_MULTISAMPLE:
case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
return ctx->Extensions.ARB_texture_multisample;
+ case GL_TEXTURE_BUFFER:
+ /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
+ * but not in earlier versions that expose ARB_texture_buffer_object.
+ *
+ * From the ARB_texture_buffer_object spec:
+ * "(7) Do buffer textures support texture parameters (TexParameter) or
+ * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
+ *
+ * RESOLVED: No. [...] Note that the spec edits above don't add
+ * explicit error language for any of these cases. That is because
+ * each of the functions enumerate the set of valid <target>
+ * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
+ * these cases means that target is not legal, and an INVALID_ENUM
+ * error should be generated."
+ *
+ * From the OpenGL 3.1 spec:
+ * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
+ */
+ return (ctx->API == API_OPENGL_CORE && ctx->Version >= 31) ||
+ _mesa_has_OES_texture_buffer(ctx);
}
if (!_mesa_is_desktop_gl(ctx))
@@ -1247,25 +1267,6 @@ _mesa_legal_get_tex_level_parameter_target(struct gl_context *ctx, GLenum target
case GL_PROXY_TEXTURE_1D_ARRAY_EXT:
case GL_PROXY_TEXTURE_2D_ARRAY_EXT:
return ctx->Extensions.EXT_texture_array;
- case GL_TEXTURE_BUFFER:
- /* GetTexLevelParameter accepts GL_TEXTURE_BUFFER in GL 3.1+ contexts,
- * but not in earlier versions that expose ARB_texture_buffer_object.
- *
- * From the ARB_texture_buffer_object spec:
- * "(7) Do buffer textures support texture parameters (TexParameter) or
- * queries (GetTexParameter, GetTexLevelParameter, GetTexImage)?
- *
- * RESOLVED: No. [...] Note that the spec edits above don't add
- * explicit error language for any of these cases. That is because
- * each of the functions enumerate the set of valid <target>
- * parameters. Not editing the spec to allow TEXTURE_BUFFER_ARB in
- * these cases means that target is not legal, and an INVALID_ENUM
- * error should be generated."
- *
- * From the OpenGL 3.1 spec:
- * "target may also be TEXTURE_BUFFER, indicating the texture buffer."
- */
- return ctx->API == API_OPENGL_CORE && ctx->Version >= 31;
case GL_PROXY_TEXTURE_2D_MULTISAMPLE:
case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY:
return ctx->Extensions.ARB_texture_multisample;