Mesa (master): mesa: add vao/vbo lookup helper for EXT_dsa
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Tue Nov 5 13:52:08 UTC 2019
Module: Mesa
Branch: master
Commit: a78d4e7e757f83f3fc5eaa289c5a608e4a3a338e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=a78d4e7e757f83f3fc5eaa289c5a608e4a3a338e
Author: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer at amd.com>
Date: Fri Oct 25 14:28:21 2019 +0200
mesa: add vao/vbo lookup helper for EXT_dsa
Add a single helper dealing with the lookup of both the vao
and the vbo to avoid duplicating this code in all the
glVertexArray* functions.
Reviewed-by: Marek Olšák <marek.olsak at amd.com>
---
src/mesa/main/varray.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 963775edad6..cc9321a8327 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -625,6 +625,38 @@ update_array(struct gl_context *ctx,
effectiveStride);
}
+
+/* Helper function for all EXT_direct_state_access glVertexArray* functions */
+static bool
+_lookup_vao_and_vbo_dsa(struct gl_context *ctx,
+ GLuint vaobj, GLuint buffer,
+ GLintptr offset,
+ struct gl_vertex_array_object** vao,
+ struct gl_buffer_object** vbo,
+ const char* caller)
+{
+ *vao = _mesa_lookup_vao_err(ctx, vaobj, true, caller);
+ if (!(*vao))
+ return false;
+
+ if (buffer != 0) {
+ *vbo = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!_mesa_handle_bind_buffer_gen(ctx, buffer, vbo, caller))
+ return false;
+
+ if (offset < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(negative offset with non-0 buffer)", caller);
+ return false;
+ }
+ } else {
+ *vbo = ctx->Shared->NullBufferObj;
+ }
+
+ return true;
+}
+
+
void GLAPIENTRY
_mesa_VertexPointer_no_error(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr)
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