From 4f6b704f9796775d8d9937c3cf75a2901b99b896 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 7 May 2009 13:30:39 -0600 Subject: [PATCH] mesa: move the NullBufferObj from GLcontext to gl_shared_state Since shared array objects may point to the null/default buffer object, the null/default buffer object should be part of the shared state. --- src/mesa/main/arrayobj.c | 5 +++-- src/mesa/main/bufferobj.c | 16 ++++------------ src/mesa/main/context.c | 3 --- src/mesa/main/mtypes.h | 3 ++- src/mesa/main/pixel.c | 12 ++++++------ src/mesa/main/pixelstore.c | 9 ++++++--- src/mesa/main/shared.c | 12 ++++++++++++ src/mesa/swrast/s_imaging.c | 10 +++++----- src/mesa/vbo/vbo_context.c | 9 ++++++--- src/mesa/vbo/vbo_exec_api.c | 4 ++-- src/mesa/vbo/vbo_rebase.c | 2 +- src/mesa/vbo/vbo_split_copy.c | 4 ++-- src/mesa/vbo/vbo_split_inplace.c | 2 +- 13 files changed, 50 insertions(+), 41 deletions(-) diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c index b04095fd16b..2646c12ccc1 100644 --- a/src/mesa/main/arrayobj.c +++ b/src/mesa/main/arrayobj.c @@ -112,7 +112,8 @@ init_array(GLcontext *ctx, array->Normalized = GL_FALSE; #if FEATURE_ARB_vertex_buffer_object /* Vertex array buffers */ - array->BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &array->BufferObj, + ctx->Shared->NullBufferObj); #endif } @@ -180,7 +181,7 @@ _mesa_remove_array_object( GLcontext *ctx, struct gl_array_object *obj ) static void unbind_buffer_object( GLcontext *ctx, struct gl_buffer_object *bufObj ) { - if (bufObj != ctx->Array.NullBufferObj) { + if (bufObj != ctx->Shared->NullBufferObj) { _mesa_reference_buffer_object(ctx, &bufObj, NULL); } } diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index a9833762518..1f2070ef473 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -424,16 +424,8 @@ _mesa_buffer_unmap( GLcontext *ctx, GLenum target, void _mesa_init_buffer_objects( GLcontext *ctx ) { - /* Allocate the default buffer object and set refcount so high that - * it never gets deleted. - * XXX with recent/improved refcounting this may not longer be needed. - */ - ctx->Array.NullBufferObj = _mesa_new_buffer_object(ctx, 0, 0); - if (ctx->Array.NullBufferObj) - ctx->Array.NullBufferObj->RefCount = 1000; - - ctx->Array.ArrayBufferObj = ctx->Array.NullBufferObj; - ctx->Array.ElementArrayBufferObj = ctx->Array.NullBufferObj; + ctx->Array.ArrayBufferObj = ctx->Shared->NullBufferObj; + ctx->Array.ElementArrayBufferObj = ctx->Shared->NullBufferObj; } @@ -477,7 +469,7 @@ bind_buffer_object(GLcontext *ctx, GLenum target, GLuint buffer) /* The spec says there's not a buffer object named 0, but we use * one internally because it simplifies things. */ - newBufObj = ctx->Array.NullBufferObj; + newBufObj = ctx->Shared->NullBufferObj; } else { /* non-default buffer object */ @@ -744,7 +736,7 @@ unbind(GLcontext *ctx, struct gl_buffer_object *obj) { if (*ptr == obj) { - _mesa_reference_buffer_object(ctx, ptr, ctx->Array.NullBufferObj); + _mesa_reference_buffer_object(ctx, ptr, ctx->Shared->NullBufferObj); } } diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c index d780f91f048..1a290f251ad 100644 --- a/src/mesa/main/context.c +++ b/src/mesa/main/context.c @@ -1005,9 +1005,6 @@ _mesa_free_context_data( GLcontext *ctx ) _mesa_free_query_data(ctx); #endif -#if FEATURE_ARB_vertex_buffer_object - _mesa_delete_buffer_object(ctx, ctx->Array.NullBufferObj); -#endif _mesa_delete_array_object(ctx, ctx->Array.DefaultArrayObj); /* free dispatch tables */ diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index affb000b8c4..3debbe9f2de 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -1593,7 +1593,6 @@ struct gl_array_attrib GLbitfield NewState; /**< mask of _NEW_ARRAY_* values */ #if FEATURE_ARB_vertex_buffer_object - struct gl_buffer_object *NullBufferObj; struct gl_buffer_object *ArrayBufferObj; struct gl_buffer_object *ElementArrayBufferObj; #endif @@ -2064,6 +2063,8 @@ struct gl_shared_state GLuint TextureStateStamp; /**< state notification for shared tex */ /*@}*/ + /** Default buffer object for vertex arrays that aren't in VBOs */ + struct gl_buffer_object *NullBufferObj; /** * \name Vertex/fragment programs diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c index 57ae9c721a8..d9f3e476e81 100644 --- a/src/mesa/main/pixel.c +++ b/src/mesa/main/pixel.c @@ -170,7 +170,7 @@ _mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, GL_READ_ONLY_ARB, ctx->Unpack.BufferObj); @@ -229,7 +229,7 @@ _mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, GL_READ_ONLY_ARB, ctx->Unpack.BufferObj); @@ -303,7 +303,7 @@ _mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT, GL_READ_ONLY_ARB, ctx->Unpack.BufferObj); @@ -371,7 +371,7 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj); @@ -432,7 +432,7 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj); @@ -494,7 +494,7 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values ) return; } /* restore */ - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj; buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT, GL_WRITE_ONLY_ARB, ctx->Pack.BufferObj); diff --git a/src/mesa/main/pixelstore.c b/src/mesa/main/pixelstore.c index ff1a6344cc9..6a641f83f27 100644 --- a/src/mesa/main/pixelstore.c +++ b/src/mesa/main/pixelstore.c @@ -245,7 +245,8 @@ _mesa_init_pixelstore( GLcontext *ctx ) ctx->Pack.ClientStorage = GL_FALSE; ctx->Pack.Invert = GL_FALSE; #if FEATURE_EXT_pixel_buffer_object - ctx->Pack.BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &ctx->Pack.BufferObj, + ctx->Shared->NullBufferObj); #endif ctx->Unpack.Alignment = 4; ctx->Unpack.RowLength = 0; @@ -258,7 +259,8 @@ _mesa_init_pixelstore( GLcontext *ctx ) ctx->Unpack.ClientStorage = GL_FALSE; ctx->Unpack.Invert = GL_FALSE; #if FEATURE_EXT_pixel_buffer_object - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &ctx->Unpack.BufferObj, + ctx->Shared->NullBufferObj); #endif /* @@ -278,6 +280,7 @@ _mesa_init_pixelstore( GLcontext *ctx ) ctx->DefaultPacking.ClientStorage = GL_FALSE; ctx->DefaultPacking.Invert = GL_FALSE; #if FEATURE_EXT_pixel_buffer_object - ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &ctx->DefaultPacking.BufferObj, + ctx->Shared->NullBufferObj); #endif } diff --git a/src/mesa/main/shared.c b/src/mesa/main/shared.c index ae8dd2a8364..759883743da 100644 --- a/src/mesa/main/shared.c +++ b/src/mesa/main/shared.c @@ -33,6 +33,7 @@ #include "mtypes.h" #include "hash.h" #include "arrayobj.h" +#include "bufferobj.h" #include "shared.h" #include "shader/program.h" #include "shader/shader_api.h" @@ -92,6 +93,13 @@ _mesa_alloc_shared_state(GLcontext *ctx) shared->BufferObjects = _mesa_NewHashTable(); #endif + /* Allocate the default buffer object and set refcount so high that + * it never gets deleted. + * XXX with recent/improved refcounting this may not longer be needed. + */ + shared->NullBufferObj = _mesa_new_buffer_object(ctx, 0, 0); + shared->NullBufferObj->RefCount = 1000; + shared->ArrayObjects = _mesa_NewHashTable(); /* Create default texture objects */ @@ -341,6 +349,10 @@ _mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared) _mesa_DeleteHashTable(shared->RenderBuffers); #endif +#if FEATURE_ARB_vertex_buffer_object + _mesa_delete_buffer_object(ctx, shared->NullBufferObj); +#endif + /* * Free texture objects (after FBOs since some textures might have * been bound to FBOs). diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c index d6be3aa022e..3578b713f61 100644 --- a/src/mesa/swrast/s_imaging.c +++ b/src/mesa/swrast/s_imaging.c @@ -60,7 +60,7 @@ _swrast_CopyColorTable( GLcontext *ctx, /* save PBO binding */ bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; _mesa_ColorTable(target, internalformat, width, GL_RGBA, CHAN_TYPE, data); @@ -94,7 +94,7 @@ _swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, /* save PBO binding */ bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; _mesa_ColorSubTable(target, start, width, GL_RGBA, CHAN_TYPE, data); @@ -126,7 +126,7 @@ _swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, /* save PBO binding */ bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; /* store as convolution filter */ _mesa_ConvolutionFilter1D(target, internalFormat, width, @@ -178,12 +178,12 @@ _swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, ctx->Unpack.SkipImages = 0; ctx->Unpack.SwapBytes = GL_FALSE; ctx->Unpack.LsbFirst = GL_FALSE; - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; ctx->NewState |= _NEW_PACKUNPACK; /* save PBO binding */ bufferSave = ctx->Unpack.BufferObj; - ctx->Unpack.BufferObj = ctx->Array.NullBufferObj; + ctx->Unpack.BufferObj = ctx->Shared->NullBufferObj; _mesa_ConvolutionFilter2D(target, internalFormat, width, height, GL_RGBA, CHAN_TYPE, rgba); diff --git a/src/mesa/vbo/vbo_context.c b/src/mesa/vbo/vbo_context.c index ca8190fd059..f193a4bf1e0 100644 --- a/src/mesa/vbo/vbo_context.c +++ b/src/mesa/vbo/vbo_context.c @@ -28,6 +28,7 @@ #include "main/imports.h" #include "main/mtypes.h" #include "main/api_arrayelt.h" +#include "main/bufferobj.h" #include "math/m_eval.h" #include "vbo.h" #include "vbo_context.h" @@ -81,7 +82,8 @@ static void init_legacy_currval(GLcontext *ctx) cl->Type = GL_FLOAT; cl->Format = GL_RGBA; cl->Ptr = (const void *)ctx->Current.Attrib[i]; - cl->BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &cl->BufferObj, + ctx->Shared->NullBufferObj); } } @@ -106,7 +108,8 @@ static void init_generic_currval(GLcontext *ctx) cl->Stride = 0; cl->StrideB = 0; cl->Enabled = 1; - cl->BufferObj = ctx->Array.NullBufferObj; + _mesa_reference_buffer_object(ctx, &cl->BufferObj, + ctx->Shared->NullBufferObj); } } @@ -150,7 +153,7 @@ static void init_mat_currval(GLcontext *ctx) cl->Stride = 0; cl->StrideB = 0; cl->Enabled = 1; - cl->BufferObj = ctx->Array.NullBufferObj; + cl->BufferObj = ctx->Shared->NullBufferObj; } } diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c index 5d35ec9c111..6871ee5cab1 100644 --- a/src/mesa/vbo/vbo_exec_api.c +++ b/src/mesa/vbo/vbo_exec_api.c @@ -671,7 +671,7 @@ void vbo_use_buffer_objects(GLcontext *ctx) GLsizei size = VBO_VERT_BUFFER_SIZE; /* Make sure this func is only used once */ - assert(exec->vtx.bufferobj == ctx->Array.NullBufferObj); + assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj); if (exec->vtx.buffer_map) { _mesa_align_free(exec->vtx.buffer_map); exec->vtx.buffer_map = NULL; @@ -697,7 +697,7 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec ) */ _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, - ctx->Array.NullBufferObj); + ctx->Shared->NullBufferObj); ASSERT(!exec->vtx.buffer_map); exec->vtx.buffer_map = (GLfloat *)ALIGN_MALLOC(VBO_VERT_BUFFER_SIZE, 64); diff --git a/src/mesa/vbo/vbo_rebase.c b/src/mesa/vbo/vbo_rebase.c index dae778e741e..ea87dede646 100644 --- a/src/mesa/vbo/vbo_rebase.c +++ b/src/mesa/vbo/vbo_rebase.c @@ -161,7 +161,7 @@ void vbo_rebase_prims( GLcontext *ctx, GL_ELEMENT_ARRAY_BUFFER, ib->obj); - tmp_ib.obj = ctx->Array.NullBufferObj; + tmp_ib.obj = ctx->Shared->NullBufferObj; tmp_ib.ptr = tmp_indices; tmp_ib.count = ib->count; tmp_ib.type = ib->type; diff --git a/src/mesa/vbo/vbo_split_copy.c b/src/mesa/vbo/vbo_split_copy.c index 56a9fafac43..2f6a1998eaa 100644 --- a/src/mesa/vbo/vbo_split_copy.c +++ b/src/mesa/vbo/vbo_split_copy.c @@ -459,7 +459,7 @@ replay_init( struct copy_context *copy ) dst->Ptr = copy->dstbuf + offset; dst->Enabled = GL_TRUE; dst->Normalized = src->Normalized; - dst->BufferObj = ctx->Array.NullBufferObj; + dst->BufferObj = ctx->Shared->NullBufferObj; dst->_MaxElement = copy->dstbuf_size; /* may be less! */ offset += copy->varying[i].size; @@ -479,7 +479,7 @@ replay_init( struct copy_context *copy ) */ copy->dstib.count = 0; /* duplicates dstelt_nr */ copy->dstib.type = GL_UNSIGNED_INT; - copy->dstib.obj = ctx->Array.NullBufferObj; + copy->dstib.obj = ctx->Shared->NullBufferObj; copy->dstib.ptr = copy->dstelt; } diff --git a/src/mesa/vbo/vbo_split_inplace.c b/src/mesa/vbo/vbo_split_inplace.c index fbc856e93b0..3ed6b34fbf0 100644 --- a/src/mesa/vbo/vbo_split_inplace.c +++ b/src/mesa/vbo/vbo_split_inplace.c @@ -221,7 +221,7 @@ static void split_prims( struct split_context *split) ib.count = count; ib.type = GL_UNSIGNED_INT; - ib.obj = split->ctx->Array.NullBufferObj; + ib.obj = split->ctx->Shared->NullBufferObj; ib.ptr = elts; tmpprim = *prim; -- 2.30.2