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List: mesa3d-dev
Subject: [Mesa-dev] [RFCv3 02/11] gallium: add NIR as a possible IR
From: Rob Clark <robdclark () gmail ! com>
Date: 2016-01-31 20:16:10
Message-ID: 1454271379-26698-3-git-send-email-robdclark () gmail ! com
[Download RAW message or body]
From: Rob Clark <robclark@freedesktop.org>
Signed-off-by: Rob Clark <robclark@freedesktop.org>
---
src/gallium/include/pipe/p_defines.h | 1 +
src/gallium/include/pipe/p_state.h | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 3a1c691..1365d66 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -731,6 +731,7 @@ enum pipe_shader_ir
PIPE_SHADER_IR_TGSI = 0,
PIPE_SHADER_IR_LLVM,
PIPE_SHADER_IR_NATIVE,
+ PIPE_SHADER_IR_NIR,
};
/**
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 31e512c..3caa75e 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -221,6 +221,11 @@ struct pipe_stream_output_info
*
* TODO pipe_compute_state should probably get similar treatment to handle
* multiple IR's in a cleaner way..
+ *
+ * NOTE: since it is expected that the consumer will want to perform
+ * additional passes on the nir_shader, the driver takes ownership of
+ * the nir_shader. If state trackers need to hang on to the IR (for
+ * example, variant management), it should use nir_shader_clone().
*/
struct pipe_shader_state
{
@@ -230,6 +235,7 @@ struct pipe_shader_state
union {
void *llvm;
void *native;
+ void *nir;
} ir;
struct pipe_stream_output_info stream_output;
};
--
2.5.0
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