diff options
Diffstat (limited to 'src/mesa/state_tracker/st_cb_clear.c')
-rw-r--r-- | src/mesa/state_tracker/st_cb_clear.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/mesa/state_tracker/st_cb_clear.c b/src/mesa/state_tracker/st_cb_clear.c index 47ad3c2bc1..1412a3761f 100644 --- a/src/mesa/state_tracker/st_cb_clear.c +++ b/src/mesa/state_tracker/st_cb_clear.c @@ -116,7 +116,7 @@ st_destroy_clear(struct st_context *st) st->clear.vs = NULL; } if (st->clear.vbuf) { - pipe_buffer_destroy(pipe->screen, st->clear.vbuf); + pipe_buffer_reference(pipe->screen, &st->clear.vbuf, NULL); st->clear.vbuf = NULL; } } @@ -406,13 +406,17 @@ check_clear_stencil_with_quad(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_color_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) { + struct st_renderbuffer *strb = st_renderbuffer(rb); + + if (!strb->surface) + return; + if (check_clear_color_with_quad( ctx, rb )) { /* masking or scissoring */ clear_with_quad(ctx, GL_TRUE, GL_FALSE, GL_FALSE); } else { /* clear whole buffer w/out masking */ - struct st_renderbuffer *strb = st_renderbuffer(rb); uint clearValue; /* NOTE: we always pass the clear color as PIPE_FORMAT_A8R8G8B8_UNORM * at this time! @@ -426,13 +430,16 @@ clear_color_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_depth_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) { + struct st_renderbuffer *strb = st_renderbuffer(rb); + + if (!strb->surface) + return; + if (check_clear_depth_with_quad(ctx, rb)) { /* scissoring or we have a combined depth/stencil buffer */ clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_FALSE); } else { - struct st_renderbuffer *strb = st_renderbuffer(rb); - /* simple clear of whole buffer */ uint clearValue = util_pack_z(strb->surface->format, ctx->Depth.Clear); ctx->st->pipe->clear(ctx->st->pipe, strb->surface, clearValue); @@ -443,13 +450,16 @@ clear_depth_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) { + struct st_renderbuffer *strb = st_renderbuffer(rb); + + if (!strb->surface) + return; + if (check_clear_stencil_with_quad(ctx, rb)) { /* masking or scissoring or combined depth/stencil buffer */ clear_with_quad(ctx, GL_FALSE, GL_FALSE, GL_TRUE); } else { - struct st_renderbuffer *strb = st_renderbuffer(rb); - /* simple clear of whole buffer */ GLuint clearValue = ctx->Stencil.Clear; @@ -469,14 +479,16 @@ clear_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) static void clear_depth_stencil_buffer(GLcontext *ctx, struct gl_renderbuffer *rb) { + struct st_renderbuffer *strb = st_renderbuffer(rb); + + if (!strb->surface) + return; if (check_clear_depth_stencil_with_quad(ctx, rb)) { /* masking or scissoring */ clear_with_quad(ctx, GL_FALSE, GL_TRUE, GL_TRUE); } else { - struct st_renderbuffer *strb = st_renderbuffer(rb); - /* clear whole buffer w/out masking */ GLuint clearValue = util_pack_z(strb->surface->format, ctx->Depth.Clear); |