u_vbuf: make use of the new CAPs to determine what to do

This adds the ability to initialize u_vbuf_caps before creating u_vbuf itself.
It will be useful for determining if u_vbuf should be used or not.

Also adapt r300g and r600g.

2 files changed, 11 insertions, 4 deletions

diff --git a/src/gallium/drivers/r300/r300_context.c b/src/gallium/drivers/r300/r300_context.c
index 74d5e8ed36c..fd464f32afd 100644
--- a/src/gallium/drivers/r300/r300_context.c
+++ b/src/gallium/drivers/r300/r300_context.c
@@ -428,13 +428,16 @@ struct pipe_context* r300_create_context(struct pipe_screen* screen,
     r300->context.create_video_buffer = vl_video_buffer_create;
 
     if (r300->screen->caps.has_tcl) {
-        r300->vbuf_mgr = u_vbuf_create(&r300->context, 1024 * 1024, 4,
+        struct u_vbuf_caps caps;
+
+        u_vbuf_get_caps(screen, &caps);
+        caps.format_fixed32 = 0;
+
+        r300->vbuf_mgr = u_vbuf_create(&r300->context, &caps, 1024 * 1024, 4,
                                        PIPE_BIND_VERTEX_BUFFER |
-                                       PIPE_BIND_INDEX_BUFFER,
-                                       U_VERTEX_FETCH_DWORD_ALIGNED);
+                                       PIPE_BIND_INDEX_BUFFER);
         if (!r300->vbuf_mgr)
             goto fail;
-        r300->vbuf_mgr->caps.format_fixed32 = 0;
     }
 
     r300->blitter = util_blitter_create(&r300->context);
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index d12fa4e8249..8c12865e9ce 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -103,6 +103,9 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
         case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
         case PIPE_CAP_VERTEX_COLOR_CLAMPED:
+        case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
+        case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+        case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
             return 1;
 
         case PIPE_CAP_GLSL_FEATURE_LEVEL:
@@ -141,6 +144,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
         case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
         case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
         case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+        case PIPE_CAP_USER_VERTEX_BUFFERS:
             return 0;
 
         /* SWTCL-only features. */