From: Marek Olšák <marek.ol...@amd.com>

---
 src/gallium/drivers/freedreno/freedreno_draw.c   | 13 +++++++++++++
 src/gallium/drivers/freedreno/freedreno_screen.c |  2 +-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/freedreno/freedreno_draw.c 
b/src/gallium/drivers/freedreno/freedreno_draw.c
index cfe13cd..cb4c063 100644
--- a/src/gallium/drivers/freedreno/freedreno_draw.c
+++ b/src/gallium/drivers/freedreno/freedreno_draw.c
@@ -24,20 +24,21 @@
  *
  * Authors:
  *    Rob Clark <robcl...@freedesktop.org>
  */
 
 #include "pipe/p_state.h"
 #include "util/u_string.h"
 #include "util/u_memory.h"
 #include "util/u_prim.h"
 #include "util/u_format.h"
+#include "util/u_helpers.h"
 
 #include "freedreno_draw.h"
 #include "freedreno_context.h"
 #include "freedreno_state.h"
 #include "freedreno_resource.h"
 #include "freedreno_query_hw.h"
 #include "freedreno_util.h"
 
 static void
 resource_read(struct fd_batch *batch, struct pipe_resource *prsc)
@@ -77,20 +78,29 @@ fd_draw_vbo(struct pipe_context *pctx, const struct 
pipe_draw_info *info)
        /* emulate unsupported primitives: */
        if (!fd_supported_prim(ctx, info->mode)) {
                if (ctx->streamout.num_targets > 0)
                        debug_error("stream-out with emulated prims");
                util_primconvert_save_index_buffer(ctx->primconvert, 
&ctx->indexbuf);
                util_primconvert_save_rasterizer_state(ctx->primconvert, 
ctx->rasterizer);
                util_primconvert_draw_vbo(ctx->primconvert, info);
                return;
        }
 
+       /* Upload a user index buffer. */
+       struct pipe_index_buffer ibuffer_saved = {};
+       if (info->indexed && ctx->indexbuf.user_buffer &&
+           !util_save_and_upload_index_buffer(pctx, info,
+                                              &ctx->indexbuf.user_buffer,
+                                              &ibuffer_saved)) {
+               return;
+       }
+
        if (ctx->in_blit) {
                fd_batch_reset(batch);
                ctx->dirty = ~0;
        }
 
        batch->blit = ctx->in_blit;
        batch->back_blit = ctx->in_shadow;
 
        /* NOTE: needs to be before resource_written(batch->query_buf), 
otherwise
         * query_buf may not be created yet.
@@ -194,20 +204,23 @@ fd_draw_vbo(struct pipe_context *pctx, const struct 
pipe_draw_info *info)
        if (ctx->draw_vbo(ctx, info))
                batch->needs_flush = true;
 
        for (i = 0; i < ctx->streamout.num_targets; i++)
                ctx->streamout.offsets[i] += info->count;
 
        if (fd_mesa_debug & FD_DBG_DDRAW)
                ctx->dirty = 0xffffffff;
 
        fd_batch_check_size(batch);
+
+       if (info->indexed && ibuffer_saved.user_buffer)
+           pctx->set_index_buffer(pctx, &ibuffer_saved);
 }
 
 /* Generic clear implementation (partially) using u_blitter: */
 static void
 fd_blitter_clear(struct pipe_context *pctx, unsigned buffers,
                const union pipe_color_union *color, double depth, unsigned 
stencil)
 {
        struct fd_context *ctx = fd_context(pctx);
        struct pipe_framebuffer_state *pfb = &ctx->batch->framebuffer;
        struct blitter_context *blitter = ctx->blitter;
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c 
b/src/gallium/drivers/freedreno/freedreno_screen.c
index 1122e29..e1b95a6 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -172,20 +172,21 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum 
pipe_cap param)
        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
        case PIPE_CAP_SEAMLESS_CUBE_MAP:
        case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
        case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
        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:
        case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
        case PIPE_CAP_STRING_MARKER:
        case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
+       case PIPE_CAP_USER_INDEX_BUFFERS:
                return 1;
 
        case PIPE_CAP_VERTEXID_NOBASE:
                return is_a3xx(screen) || is_a4xx(screen);
 
        case PIPE_CAP_USER_CONSTANT_BUFFERS:
                return is_a4xx(screen) ? 0 : 1;
 
        case PIPE_CAP_SHADER_STENCIL_EXPORT:
        case PIPE_CAP_TGSI_TEXCOORD:
@@ -246,21 +247,20 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum 
pipe_cap param)
        case PIPE_CAP_GLSL_FEATURE_LEVEL:
                if (glsl120)
                        return 120;
                return is_ir3(screen) ? 140 : 120;
 
        /* Unsupported features. */
        case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
        case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
        case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
        case PIPE_CAP_USER_VERTEX_BUFFERS:
-       case PIPE_CAP_USER_INDEX_BUFFERS:
        case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
        case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
        case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
        case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
        case PIPE_CAP_TEXTURE_GATHER_SM5:
        case PIPE_CAP_SAMPLE_SHADING:
        case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
        case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
        case PIPE_CAP_DRAW_INDIRECT:
        case PIPE_CAP_MULTI_DRAW_INDIRECT:
-- 
2.7.4

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