From 54c4a9803bfd59e31bc092229779544b6e636bdf Mon Sep 17 00:00:00 2001 From: =?utf8?q?Nicolai=20H=C3=A4hnle?= Date: Wed, 6 Jan 2016 17:38:19 -0500 Subject: [PATCH] mesa/main: add USAGE_TRANSFORM_FEEDBACK_BUFFER flag to buffer UsageHistory MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We will want to disable minmax index caching for buffers that are used in this way. Reviewed-by: Ian Romanick Reviewed-by: Marek Olšák --- src/mesa/main/mtypes.h | 1 + src/mesa/main/transformfeedback.h | 3 +++ 2 files changed, 4 insertions(+) diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index 101283cb1a4..d0fb3367751 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1253,6 +1253,7 @@ typedef enum { USAGE_TEXTURE_BUFFER = 0x2, USAGE_ATOMIC_COUNTER_BUFFER = 0x4, USAGE_SHADER_STORAGE_BUFFER = 0x8, + USAGE_TRANSFORM_FEEDBACK_BUFFER = 0x10, } gl_buffer_usage; diff --git a/src/mesa/main/transformfeedback.h b/src/mesa/main/transformfeedback.h index bb9729cdbde..eb274ad6540 100644 --- a/src/mesa/main/transformfeedback.h +++ b/src/mesa/main/transformfeedback.h @@ -145,6 +145,9 @@ _mesa_set_transform_feedback_binding(struct gl_context *ctx, tfObj->BufferNames[index] = bufObj->Name; tfObj->Offset[index] = offset; tfObj->RequestedSize[index] = size; + + if (bufObj != ctx->Shared->NullBufferObj) + bufObj->UsageHistory |= USAGE_TRANSFORM_FEEDBACK_BUFFER; } /*** GL_ARB_direct_state_access ***/ -- 2.30.2