diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_transfer.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_transfer.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/src/gallium/drivers/r300/r300_transfer.c b/src/gallium/drivers/r300/r300_transfer.c index 3eabe230d3d..f0b5e9659db 100644 --- a/src/gallium/drivers/r300/r300_transfer.c +++ b/src/gallium/drivers/r300/r300_transfer.c @@ -162,6 +162,29 @@ r300_texture_get_transfer(struct pipe_context *ctx, ctx->screen->resource_create(ctx->screen, &base)); + if (!trans->detiled_texture) { + /* Oh crap, the thing can't create the texture. + * Let's flush and try again. */ + ctx->flush(ctx, 0, NULL); + + trans->detiled_texture = r300_texture( + ctx->screen->resource_create(ctx->screen, + &base)); + + if (!trans->detiled_texture) { + /* For linear textures, it's safe to fallback to + * an unpipelined transfer. */ + if (!tex->microtile && !tex->macrotile) { + goto unpipelined; + } + + /* Otherwise, go to hell. */ + fprintf(stderr, + "r300: Failed to create a transfer object, praise.\n"); + return NULL; + } + } + assert(!trans->detiled_texture->microtile && !trans->detiled_texture->macrotile); @@ -183,16 +206,20 @@ r300_texture_get_transfer(struct pipe_context *ctx, /* Always referenced in the blit. */ ctx->flush(ctx, 0, NULL); } - } else { - trans->transfer.stride = + return &trans->transfer; + } + + unpipelined: + /* Unpipelined transfer. */ + trans->transfer.stride = r300_texture_get_stride(r300screen, tex, sr.level); - trans->offset = r300_texture_get_offset(tex, sr.level, box->z, sr.face); + trans->offset = r300_texture_get_offset(tex, sr.level, box->z, sr.face); - if (referenced_cs && (usage & PIPE_TRANSFER_READ)) - ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL); - } + if (referenced_cs && (usage & PIPE_TRANSFER_READ)) + ctx->flush(ctx, PIPE_FLUSH_RENDER_CACHE, NULL); + return &trans->transfer; } - return &trans->transfer; + return NULL; } void r300_texture_transfer_destroy(struct pipe_context *ctx, |