r300-gallium, radeon-winsys: Space accounting.

It is no longer optional in current libdrm, so it was time to actually
start counting our BOs.

3 files changed, 32 insertions, 1 deletions

diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index 74d63ffe417..01bac5f759c 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -424,13 +424,21 @@ void r300_emit_dirty_state(struct r300_context* r300)
     int i;
     int dirty_tex = 0;
 
-    if (!(r300->dirty_state) && !(r300->dirty_hw)) {
+    if (!(r300->dirty_hw)) {
         return;
     }
 
     r300_update_derived_state(r300);
 
     /* XXX check size */
+    struct r300_texture* fb_tex =
+        (struct r300_texture*)r300->framebuffer_state.cbufs[0];
+    r300->winsys->add_buffer(r300->winsys, fb_tex->buffer,
+            0, RADEON_GEM_DOMAIN_VRAM);
+    if (r300->winsys->validate(r300->winsys)) {
+        /* XXX */
+        r300->context.flush(&r300->context, 0, NULL);
+    }
 
     if (r300->dirty_state & R300_NEW_BLEND) {
         r300_emit_blend_state(r300, r300->blend_state);
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
index 79bed032538..4dd5b8af99a 100644
--- a/src/gallium/drivers/r300/r300_surface.c
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -34,6 +34,13 @@ static void r300_surface_setup(struct pipe_context* pipe,
     unsigned pixpitch = tex->stride / tex->tex.block.size;
     CS_LOCALS(r300);
 
+    /* Make sure our target BO is okay. */
+    r300->winsys->add_buffer(r300->winsys, tex->buffer,
+            0, RADEON_GEM_DOMAIN_VRAM);
+    if (r300->winsys->validate(r300->winsys)) {
+        r300->context.flush(&r300->context, 0, NULL);
+    }
+
     r300_emit_blend_state(r300, &blend_clear_state);
     r300_emit_blend_color_state(r300, &blend_color_clear_state);
     r300_emit_dsa_state(r300, &dsa_clear_state);
diff --git a/src/gallium/drivers/r300/r300_winsys.h b/src/gallium/drivers/r300/r300_winsys.h
index 393ba07012b..761aedebfcf 100644
--- a/src/gallium/drivers/r300/r300_winsys.h
+++ b/src/gallium/drivers/r300/r300_winsys.h
@@ -53,6 +53,22 @@ struct r300_winsys {
     /* GB pipe count */
     uint32_t gb_pipes;
 
+    /* GART size. */
+    uint32_t gart_size;
+
+    /* VRAM size. */
+    uint32_t vram_size;
+
+    /* Add a pipe_buffer to the list of buffer objects to validate. */
+    void (*add_buffer)(struct r300_winsys* winsys,
+                       struct pipe_buffer* pbuffer,
+                       uint32_t rd,
+                       uint32_t wd);
+
+    /* Revalidate all currently setup pipe_buffers.
+     * Returns TRUE if a flush is required. */
+    boolean (*validate)(struct r300_winsys* winsys);
+
     /* Check to see if there's room for commands. */
     boolean (*check_cs)(struct r300_winsys* winsys, int size);