diff options
| author | Jeroen Bakker <jbakker> | 2021-05-26 18:02:32 +0300 |
|---|---|---|
| committer | Jeroen Bakker <jeroen@blender.org> | 2021-05-26 18:03:37 +0300 |
| commit | 8f9599d17e80254928d2d72081a4c7e0dee64038 (patch) | |
| tree | d34ff981e4e0e72ce894042c82587a4266728b16 /source/blender/draw/intern/draw_manager.h | |
| parent | 87055dc71b0d50cd25660969b55cda7d44af6a12 (diff) | |
DrawManager: Use Compute Shader to Update Hair.
This patch will use compute shaders to create the VBO for hair.
The previous implementation uses tranform feedback.
Timings master (transform feedback with GPU_USAGE_STATIC between 0.000069s and 0.000362s
Timings transform feedback with GPU_USAGE_DEVICE_ONLY. between 0.000057s and 0.000122s
Timings compute shader between 0.000032 and 0.000092s
Future improvements:
* Generate hair Index buffer using compute shaders: currently done single threaded on CPU, easy to add as compute shader.
Reviewed By: fclem
Differential Revision: https://developer.blender.org/D11057
Diffstat (limited to 'source/blender/draw/intern/draw_manager.h')
| -rw-r--r-- | source/blender/draw/intern/draw_manager.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source/blender/draw/intern/draw_manager.h b/source/blender/draw/intern/draw_manager.h index 84bc0327aa2..d4e22c83798 100644 --- a/source/blender/draw/intern/draw_manager.h +++ b/source/blender/draw/intern/draw_manager.h @@ -187,6 +187,10 @@ typedef enum { DRW_CMD_DRAW_INSTANCE = 2, DRW_CMD_DRAW_INSTANCE_RANGE = 3, DRW_CMD_DRAW_PROCEDURAL = 4, + + /* Compute Commands. */ + DRW_CMD_COMPUTE = 8, + /* Other Commands */ DRW_CMD_CLEAR = 12, DRW_CMD_DRWSTATE = 13, @@ -224,6 +228,12 @@ typedef struct DRWCommandDrawInstanceRange { uint inst_count; } DRWCommandDrawInstanceRange; +typedef struct DRWCommandCompute { + int groups_x_len; + int groups_y_len; + int groups_z_len; +} DRWCommandCompute; + typedef struct DRWCommandDrawProcedural { GPUBatch *batch; DRWResourceHandle handle; @@ -260,6 +270,7 @@ typedef union DRWCommand { DRWCommandDrawInstance instance; DRWCommandDrawInstanceRange instance_range; DRWCommandDrawProcedural procedural; + DRWCommandCompute compute; DRWCommandSetMutableState state; DRWCommandSetStencil stencil; DRWCommandSetSelectID select_id; @@ -274,6 +285,7 @@ struct DRWCallBuffer { }; /** Used by #DRWUniform.type */ +/* TODO(jbakker): rename to DRW_RESOURCE/DRWResourceType. */ typedef enum { DRW_UNIFORM_INT = 0, DRW_UNIFORM_INT_COPY, @@ -286,6 +298,7 @@ typedef enum { DRW_UNIFORM_BLOCK, DRW_UNIFORM_BLOCK_REF, DRW_UNIFORM_TFEEDBACK_TARGET, + DRW_UNIFORM_VERTEX_BUFFER_AS_STORAGE, /** Per drawcall uniforms/UBO */ DRW_UNIFORM_BLOCK_OBMATS, DRW_UNIFORM_BLOCK_OBINFOS, |