[Mesa-dev] [PATCH 06/13] vbo: Use _DrawVAO for array type draw commands.

Brian Paul brianp at vmware.com
Thu Feb 15 23:27:31 UTC 2018


On 02/15/2018 12:55 PM, Mathias.Froehlich at gmx.net wrote:
> From: Mathias Fröhlich <mathias.froehlich at web.de>
> 
> Switch over to use the _DrawVAO for all the array type draws.
> The _DrawVAO needs to be set before we enter _mesa_update_state,
> so move setting the draw method in front of the first call
> to _mesa_update_state which is in turn called from the *validate*Draw*
> calls. Using the gl_vertex_array_object::_Enabled bitmask,
> gl_vertex_program_state::_VPMode and gl_vertex_array_object::_AttributeMapMode
> we can already set varying_vp_inputs before we call _mesa_update_state
> the first time. Thus remove duplicate state validation.
> 
> Signed-off-by: Mathias Fröhlich <Mathias.Froehlich at web.de>
> ---
>   src/mesa/vbo/vbo_context.c    |   8 ++-
>   src/mesa/vbo/vbo_exec.h       |   6 --
>   src/mesa/vbo/vbo_exec_array.c | 159 +++++++++++++++++++++++++-----------------
>   3 files changed, 100 insertions(+), 73 deletions(-)
> 
> diff --git a/src/mesa/vbo/vbo_context.c b/src/mesa/vbo/vbo_context.c
> index cc9cbffc51..1a9935d5e8 100644
> --- a/src/mesa/vbo/vbo_context.c
> +++ b/src/mesa/vbo/vbo_context.c
> @@ -206,11 +206,15 @@ vbo_exec_invalidate_state(struct gl_context *ctx)
>      struct vbo_exec_context *exec = &vbo->exec;
>   
>      if (ctx->NewState & (_NEW_PROGRAM | _NEW_ARRAY)) {
> -      if (!exec->validating)
> -         exec->array.recalculate_inputs = GL_TRUE;
> +      exec->array.recalculate_inputs = GL_TRUE;
>   
>         _ae_invalidate_state(ctx);
>      }
> +   /* If _mesa_update_state is called in a non draw code path,
> +    * changes in the VAO need to be captured.
> +    */
> +   if (ctx->Array.VAO->NewArrays)
> +      exec->array.recalculate_inputs = GL_TRUE;
>   
>      if (ctx->NewState & _NEW_EVAL)
>         exec->eval.recalculate_maps = GL_TRUE;
> diff --git a/src/mesa/vbo/vbo_exec.h b/src/mesa/vbo/vbo_exec.h
> index 7e00d45de0..b00045c7c8 100644
> --- a/src/mesa/vbo/vbo_exec.h
> +++ b/src/mesa/vbo/vbo_exec.h
> @@ -76,7 +76,6 @@ struct vbo_exec_context
>      struct gl_context *ctx;
>      GLvertexformat vtxfmt;
>      GLvertexformat vtxfmt_noop;
> -   GLboolean validating; /**< if we're in the middle of state validation */
>   
>      struct {
>         struct gl_buffer_object *bufferobj;
> @@ -119,11 +118,6 @@ struct vbo_exec_context
>      } eval;
>   
>      struct {
> -      /* Arrays and current values manipulated according to program
> -       * mode, etc.  These are the attributes as seen by vertex
> -       * programs:
> -       */
> -      const struct gl_vertex_array *inputs[VERT_ATTRIB_MAX];
>         GLboolean recalculate_inputs;
>      } array;
>   
> diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
> index 0c3c9017b1..5741696943 100644
> --- a/src/mesa/vbo/vbo_exec_array.c
> +++ b/src/mesa/vbo/vbo_exec_array.c
> @@ -319,29 +319,14 @@ print_draw_arrays(struct gl_context *ctx,
>   
>   
>   /**
> - * Set the vbo->exec->inputs[] pointers to point to the enabled
> - * vertex arrays.  This depends on the current vertex program/shader
> - * being executed because of whether or not generic vertex arrays
> - * alias the conventional vertex arrays.
> - * For arrays that aren't enabled, we set the input[attrib] pointer
> - * to point at a zero-stride current value "array".
> + * Return a filter mask for the net enabled vao arrays.
> + * This is to maks out arrays that would otherwise superseed required current

"mask", "supersede"


I don't have time to review the rest of the series today.  I'll try to 
resume tomorrow.

-Brian

> + * values for the fixed function shaders for example.
>    */
> -static void
> -recalculate_input_bindings(struct gl_context *ctx)
> +static GLbitfield
> +enabled_filter(const struct gl_context *ctx)
>   {
> -   struct vbo_context *vbo = vbo_context(ctx);
> -   struct vbo_exec_context *exec = &vbo->exec;
> -   const struct gl_vertex_array_object *vao = ctx->Array.VAO;
> -   const struct gl_vertex_array *vertexAttrib = vao->_VertexArray;
> -   const struct gl_vertex_array **inputs = &exec->array.inputs[0];
> -
> -   /* May shuffle the position and generic0 bits around */
> -   GLbitfield vp_inputs = _mesa_get_vao_vp_inputs(vao);
> -
> -   const gl_vertex_processing_mode processing_mode
> -      = ctx->VertexProgram._VPMode;
> -   const GLubyte * const map = _vbo_attribute_alias_map[processing_mode];
> -   switch (processing_mode) {
> +   switch (ctx->VertexProgram._VPMode) {
>      case VP_MODE_FF:
>         /* When no vertex program is active (or the vertex program is generated
>          * from fixed-function state).  We put the material values into the
> @@ -349,9 +334,7 @@ recalculate_input_bindings(struct gl_context *ctx)
>          * slots from the enabled arrays so that the current material values
>          * are pulled instead of the vao arrays.
>          */
> -      vp_inputs &= VERT_BIT_FF_ALL;
> -
> -      break;
> +      return VERT_BIT_FF_ALL;
>   
>      case VP_MODE_SHADER:
>         /* There are no shaders in OpenGL ES 1.x, so this code path should be
> @@ -360,40 +343,20 @@ recalculate_input_bindings(struct gl_context *ctx)
>          */
>         assert(ctx->API != API_OPENGLES);
>   
> -      /* In the compatibility profile of desktop OpenGL, the generic[0]
> -       * attribute array aliases and overrides the legacy position array.
> -       * Otherwise, legacy attributes available in the legacy slots,
> -       * generic attributes in the generic slots and materials are not
> -       * available as per-vertex attributes.
> -       *
> -       * In all other APIs, only the generic attributes exist, and none of the
> -       * slots are considered "magic."
> -       */
> -
>         /* Other parts of the code assume that inputs[VERT_ATTRIB_POS] through
>          * inputs[VERT_ATTRIB_FF_MAX] will be non-NULL.  However, in OpenGL
>          * ES 2.0+ or OpenGL core profile, none of these arrays should ever
>          * be enabled.
>          */
>         if (ctx->API != API_OPENGL_COMPAT)
> -         vp_inputs &= VERT_BIT_GENERIC_ALL;
> +         return VERT_BIT_GENERIC_ALL;
> +
> +      return VERT_BIT_ALL;
>   
> -      break;
>      default:
>         assert(0);
> +      return 0;
>      }
> -
> -   const gl_attribute_map_mode mode = vao->_AttributeMapMode;
> -   const GLubyte *const vao_map = _mesa_vao_attribute_map[mode];
> -   for (unsigned vp_attrib = 0; vp_attrib < VERT_ATTRIB_MAX; ++vp_attrib) {
> -      if (unlikely(vp_inputs & VERT_BIT(vp_attrib)))
> -         inputs[vp_attrib] = &vertexAttrib[vao_map[vp_attrib]];
> -      else
> -         inputs[vp_attrib] = &vbo->currval[map[vp_attrib]];
> -   }
> -
> -   _mesa_set_varying_vp_inputs(ctx, vp_inputs);
> -   ctx->NewDriverState |= ctx->DriverFlags.NewArray;
>   }
>   
>   
> @@ -401,8 +364,6 @@ recalculate_input_bindings(struct gl_context *ctx)
>    * Examine the enabled vertex arrays to set the exec->array.inputs[] values.
>    * These will point to the arrays to actually use for drawing.  Some will
>    * be user-provided arrays, other will be zero-stride const-valued arrays.
> - * Note that this might set the _NEW_VARYING_VP_INPUTS dirty flag so state
> - * validation must be done after this call.
>    */
>   static void
>   vbo_bind_arrays(struct gl_context *ctx)
> @@ -410,25 +371,15 @@ vbo_bind_arrays(struct gl_context *ctx)
>      struct vbo_context *vbo = vbo_context(ctx);
>      struct vbo_exec_context *exec = &vbo->exec;
>   
> -   _mesa_set_drawing_arrays(ctx, vbo->exec.array.inputs);
> +   _mesa_set_drawing_arrays(ctx, vbo->array.inputs);
>   
>      if (exec->array.recalculate_inputs) {
> -      recalculate_input_bindings(ctx);
> +      /* Finally update the inputs array */
> +      _vbo_update_inputs(ctx, &vbo->array);
> +      ctx->NewDriverState |= ctx->DriverFlags.NewArray;
>         exec->array.recalculate_inputs = GL_FALSE;
>   
> -      /* Again... because we may have changed the bitmask of per-vertex varying
> -       * attributes.  If we regenerate the fixed-function vertex program now
> -       * we may be able to prune down the number of vertex attributes which we
> -       * need in the shader.
> -       */
> -      if (ctx->NewState) {
> -         /* Setting "validating" to TRUE prevents _mesa_update_state from
> -          * invalidating what we just did.
> -          */
> -         exec->validating = GL_TRUE;
> -         _mesa_update_state(ctx);
> -         exec->validating = GL_FALSE;
> -      }
> +      assert(ctx->NewState == 0);
>      }
>   }
>   
> @@ -611,9 +562,13 @@ vbo_exec_DrawArrays(GLenum mode, GLint start, GLsizei count)
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawArrays(ctx, mode, count))
>            return;
>      }
> @@ -646,9 +601,13 @@ vbo_exec_DrawArraysInstanced(GLenum mode, GLint start, GLsizei count,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawArraysInstanced(ctx, mode, start, count,
>                                                 numInstances))
>            return;
> @@ -683,9 +642,13 @@ vbo_exec_DrawArraysInstancedBaseInstance(GLenum mode, GLint first,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawArraysInstanced(ctx, mode, first, count,
>                                                 numInstances))
>            return;
> @@ -719,9 +682,13 @@ vbo_exec_MultiDrawArrays(GLenum mode, const GLint *first,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawArrays(ctx, mode, count, primcount))
>            return;
>      }
> @@ -941,9 +908,13 @@ vbo_exec_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawRangeElements(ctx, mode, start, end, count,
>                                               type, indices))
>            return;
> @@ -1048,9 +1019,13 @@ vbo_exec_DrawElements(GLenum mode, GLsizei count, GLenum type,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices))
>            return;
>      }
> @@ -1077,9 +1052,13 @@ vbo_exec_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElements(ctx, mode, count, type, indices))
>            return;
>      }
> @@ -1106,9 +1085,13 @@ vbo_exec_DrawElementsInstanced(GLenum mode, GLsizei count, GLenum type,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type,
>                                                   indices, numInstances))
>            return;
> @@ -1141,9 +1124,13 @@ vbo_exec_DrawElementsInstancedBaseVertex(GLenum mode, GLsizei count,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type,
>                                                   indices, numInstances))
>            return;
> @@ -1178,9 +1165,13 @@ vbo_exec_DrawElementsInstancedBaseInstance(GLenum mode, GLsizei count,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type,
>                                                   indices, numInstances))
>            return;
> @@ -1217,9 +1208,13 @@ vbo_exec_DrawElementsInstancedBaseVertexBaseInstance(GLenum mode,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElementsInstanced(ctx, mode, count, type,
>                                                   indices, numInstances))
>            return;
> @@ -1377,6 +1372,8 @@ vbo_exec_MultiDrawElements(GLenum mode,
>   {
>      GET_CURRENT_CONTEXT(ctx);
>   
> +   _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>      if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices,
>                                            primcount))
>         return;
> @@ -1401,9 +1398,13 @@ vbo_exec_MultiDrawElementsBaseVertex(GLenum mode,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawElements(ctx, mode, count, type, indices,
>                                               primcount))
>            return;
> @@ -1436,9 +1437,13 @@ vbo_draw_transform_feedback(struct gl_context *ctx, GLenum mode,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawTransformFeedback(ctx, mode, obj, stream,
>                                                   numInstances)) {
>            return;
> @@ -1664,9 +1669,13 @@ vbo_exec_DrawArraysIndirect(GLenum mode, const GLvoid *indirect)
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawArraysIndirect(ctx, mode, indirect))
>            return;
>      }
> @@ -1691,9 +1700,13 @@ vbo_exec_DrawElementsIndirect(GLenum mode, GLenum type, const GLvoid *indirect)
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_DrawElementsIndirect(ctx, mode, type, indirect))
>            return;
>      }
> @@ -1722,9 +1735,13 @@ vbo_exec_MultiDrawArraysIndirect(GLenum mode, const GLvoid *indirect,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawArraysIndirect(ctx, mode, indirect,
>                                                     primcount, stride))
>            return;
> @@ -1757,9 +1774,13 @@ vbo_exec_MultiDrawElementsIndirect(GLenum mode, GLenum type,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawElementsIndirect(ctx, mode, type, indirect,
>                                                       primcount, stride))
>            return;
> @@ -1854,9 +1875,13 @@ vbo_exec_MultiDrawArraysIndirectCount(GLenum mode, GLintptr indirect,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawArraysIndirectCount(ctx, mode,
>                                                          indirect,
>                                                          drawcount_offset,
> @@ -1895,9 +1920,13 @@ vbo_exec_MultiDrawElementsIndirectCount(GLenum mode, GLenum type,
>      if (_mesa_is_no_error_enabled(ctx)) {
>         FLUSH_CURRENT(ctx, 0);
>   
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (ctx->NewState)
>            _mesa_update_state(ctx);
>      } else {
> +      _mesa_set_draw_vao(ctx, ctx->Array.VAO, enabled_filter(ctx));
> +
>         if (!_mesa_validate_MultiDrawElementsIndirectCount(ctx, mode, type,
>                                                            indirect,
>                                                            drawcount_offset,
> 



More information about the mesa-dev mailing list