diff --git a/docs/relnotes/new_features.txt b/docs/relnotes/new_features.txt
index 52e22f4e1df..c1ebecd88f1 100644
--- a/docs/relnotes/new_features.txt
+++ b/docs/relnotes/new_features.txt
@@ -6,4 +6,5 @@ VK_ARM_shader_core_builtins on panvk
 VK_KHR_shader_untyped_pointers on anv
 cl_ext_immutable_memory_objects
 VK_KHR_video_encode_intra_refresh on radv
-VK_KHR_video_encode_quantization_map on radv
\ No newline at end of file
+VK_KHR_video_encode_quantization_map on radv
+GL_ATI_meminfo and GL_NVX_gpu_memory_info on r300
diff --git a/src/gallium/drivers/r300/meson.build b/src/gallium/drivers/r300/meson.build
index 402b8d15f88..0d993457107 100644
--- a/src/gallium/drivers/r300/meson.build
+++ b/src/gallium/drivers/r300/meson.build
@@ -28,6 +28,8 @@ files_r300 = files(
   'r300_screen_buffer.h',
   'r300_screen.c',
   'r300_screen.h',
+  'r300_meminfo.c',
+  'r300_meminfo.h',
   'r300_shader_semantics.h',
   'r300_state.c',
   'r300_state_derived.c',
diff --git a/src/gallium/drivers/r300/r300_meminfo.c b/src/gallium/drivers/r300/r300_meminfo.c
new file mode 100644
index 00000000000..804a792d627
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_meminfo.c
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ * Copyright 2025 Brais Solla <brais.1997@gmail.com<
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+
+#include "r300_screen.h"
+#include "r300_meminfo.h"
+
+
+void r300_query_memory_info(struct pipe_screen *pscreen, struct pipe_memory_info *info)
+{
+   struct r300_screen *rscreen = (struct r300_screen*) pscreen;
+   struct radeon_winsys *ws     = rscreen->rws;
+
+   info->total_device_memory   = rscreen->info.vram_size_kb;
+   info->total_staging_memory  = rscreen->info.gart_size_kb;
+
+   /* The real TTM memory usage is somewhat random, because:
+    *
+    * 1) TTM delays freeing memory, because it can only free it after
+    *    fences expire.
+    *
+    * 2) The memory usage can be really low if big VRAM evictions are
+    *    taking place, but the real usage is well above the size of VRAM.
+    *
+    * Instead, return statistics of this process.
+    */
+   unsigned vram_used = ws->query_value(ws, RADEON_VRAM_USAGE) / 1024;
+   unsigned gtt_used  = ws->query_value(ws, RADEON_GTT_USAGE)  / 1024;
+
+   info->avail_device_memory   = (vram_used > info->total_device_memory) ? 0 : info->total_device_memory  - vram_used;
+   info->avail_staging_memory  = (gtt_used > info->total_staging_memory) ? 0 : info->total_staging_memory - gtt_used;
+   info->device_memory_evicted = ws->query_value(ws, RADEON_NUM_BYTES_MOVED) / 1024;
+   info->nr_device_memory_evictions = ws->query_value(ws, RADEON_NUM_EVICTIONS);
+   
+}
\ No newline at end of file
diff --git a/src/gallium/drivers/r300/r300_meminfo.h b/src/gallium/drivers/r300/r300_meminfo.h
new file mode 100644
index 00000000000..c296a11f8ce
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_meminfo.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ * Copyright 2025 Brais Solla <brais.1997@gmail.com<
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef R300_MEMINFO_H
+#define R300_MEMINFO_H
+
+void r300_query_memory_info(struct pipe_screen *pscreen, struct pipe_memory_info *info);
+
+#endif
\ No newline at end of file
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 73501eb0626..d8bb2a66f4a 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -20,6 +20,7 @@
 #include "r300_screen_buffer.h"
 #include "r300_state_inlines.h"
 #include "r300_public.h"
+#include "r300_meminfo.h"
 
 #include "draw/draw_context.h"
 
@@ -515,6 +516,7 @@ static void r300_init_screen_caps(struct r300_screen* r300screen)
    caps->clip_halfz = true;
    caps->allow_mapped_buffers_during_execution = true;
    caps->legacy_math_rules = true;
+   caps->query_memory_info = true;
 
    caps->texture_transfer_modes = PIPE_TEXTURE_TRANSFER_BLIT;
 
@@ -691,6 +693,7 @@ struct pipe_screen* r300_screen_create(struct radeon_winsys *rws,
     r300screen->screen.context_create = r300_create_context;
     r300screen->screen.fence_reference = r300_fence_reference;
     r300screen->screen.fence_finish = r300_fence_finish;
+    r300screen->screen.query_memory_info = r300_query_memory_info;
 
     r300screen->screen.nir_options[MESA_SHADER_VERTEX] =
         !r300screen->caps.has_tcl ? &gallivm_compiler_options :