mesa: implement GL_NVX_gpu_memory_info (v2)

v2: implement eviction queries properly
    add gl_memory_info structure

Reviewed-by: Ilia Mirkin <[email protected]>
Reviewed-by: Alex Deucher <[email protected]>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index cfe0a8252c2..19ef3042548 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -48,6 +48,7 @@ struct gl_shader;
 struct gl_shader_program;
 struct gl_texture_image;
 struct gl_texture_object;
+struct gl_memory_info;
 
 /* GL_ARB_vertex_buffer_object */
 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
@@ -948,6 +949,13 @@ struct dd_function_table {
    void (*DispatchCompute)(struct gl_context *ctx, const GLuint *num_groups);
    void (*DispatchComputeIndirect)(struct gl_context *ctx, GLintptr indirect);
    /*@}*/
+
+   /**
+    * Query information about memory. Device memory is e.g. VRAM. Staging
+    * memory is e.g. GART. All sizes are in kilobytes.
+    */
+   void (*QueryMemoryInfo)(struct gl_context *ctx,
+                           struct gl_memory_info *info);
 };