From: Pierre-Eric Pelloux-Prayer Date: Tue, 20 Oct 2020 08:38:37 +0000 (+0200) Subject: vbo/dlist: refactor prim_store/vertex_store allocations X-Git-Tag: upstream/21.0.0~1607 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=83149e1c2d8578fb25cf95502d67917cef78692f;p=platform%2Fupstream%2Fmesa.git vbo/dlist: refactor prim_store/vertex_store allocations This will be used in the next commit. Reviewed-by: Marek Olšák Part-of: --- diff --git a/src/mesa/vbo/vbo_save.h b/src/mesa/vbo/vbo_save.h index d63a9c2..fd4b6e6 100644 --- a/src/mesa/vbo/vbo_save.h +++ b/src/mesa/vbo/vbo_save.h @@ -142,8 +142,9 @@ struct vbo_save_vertex_store { /* Storage to be shared among several vertex_lists. */ struct vbo_save_primitive_store { - struct _mesa_prim prims[VBO_SAVE_PRIM_SIZE]; + struct _mesa_prim *prims; GLuint used; + GLuint size; GLuint refcount; }; diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c index e1ddbaf..93651f2 100644 --- a/src/mesa/vbo/vbo_save_api.c +++ b/src/mesa/vbo/vbo_save_api.c @@ -133,12 +133,14 @@ copy_vertices(struct gl_context *ctx, static struct vbo_save_vertex_store * -alloc_vertex_store(struct gl_context *ctx) +alloc_vertex_store(struct gl_context *ctx, int vertex_count) { struct vbo_save_context *save = &vbo_context(ctx)->save; struct vbo_save_vertex_store *vertex_store = CALLOC_STRUCT(vbo_save_vertex_store); + int size = MAX2(vertex_count * save->vertex_size, VBO_SAVE_BUFFER_SIZE); + /* obj->Name needs to be non-zero, but won't ever be examined more * closely than that. In particular these buffers won't be entered * into the hash and can never be confused with ones visible to the @@ -150,7 +152,7 @@ alloc_vertex_store(struct gl_context *ctx) save->out_of_memory = !ctx->Driver.BufferData(ctx, GL_ARRAY_BUFFER_ARB, - VBO_SAVE_BUFFER_SIZE * sizeof(GLfloat), + size * sizeof(GLfloat), NULL, GL_STATIC_DRAW_ARB, GL_MAP_WRITE_BIT | GL_DYNAMIC_STORAGE_BIT, @@ -246,10 +248,17 @@ vbo_save_unmap_vertex_store(struct gl_context *ctx, static struct vbo_save_primitive_store * -alloc_prim_store(void) +alloc_prim_store(int prim_count) { struct vbo_save_primitive_store *store = CALLOC_STRUCT(vbo_save_primitive_store); + store->size = MAX2(prim_count, VBO_SAVE_PRIM_SIZE); + if (store->prims) { + assert(store->refcount == 0); + } + store->prims = realloc(store->prims, + store->size * sizeof(struct _mesa_prim)); + memset(store->prims, 0, store->size * sizeof(struct _mesa_prim)); store->used = 0; store->refcount = 1; return store; @@ -267,14 +276,14 @@ reset_counters(struct gl_context *ctx) assert(save->buffer_map == save->buffer_ptr); if (save->vertex_size) - save->max_vert = (VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) / + save->max_vert = (save->vertex_store->bufferobj->Size / sizeof(float) - save->vertex_store->used) / save->vertex_size; else save->max_vert = 0; save->vert_count = 0; save->prim_count = 0; - save->prim_max = VBO_SAVE_PRIM_SIZE - save->prim_store->used; + save->prim_max = save->prim_store->size - save->prim_store->used; save->dangling_attr_ref = GL_FALSE; } @@ -470,6 +479,37 @@ update_vao(struct gl_context *ctx, } +static void +realloc_storage(struct gl_context *ctx, int prim_count, int vertex_count) +{ + struct vbo_save_context *save = &vbo_context(ctx)->save; + if (vertex_count >= 0) { + /* Unmap old store: + */ + vbo_save_unmap_vertex_store(ctx, save->vertex_store); + + /* Release old reference: + */ + free_vertex_store(ctx, save->vertex_store); + save->vertex_store = NULL; + /* When we have a new vbo, we will for sure need a new vao */ + for (gl_vertex_processing_mode vpm = 0; vpm < VP_MODE_MAX; ++vpm) + _mesa_reference_vao(ctx, &save->VAO[vpm], NULL); + + /* Allocate and map new store: + */ + save->vertex_store = alloc_vertex_store(ctx, vertex_count); + save->buffer_ptr = vbo_save_map_vertex_store(ctx, save->vertex_store); + save->out_of_memory = save->buffer_ptr == NULL; + } + + if (prim_count >= 0) { + save->prim_store->refcount--; + save->prim_store = alloc_prim_store(prim_count); + } +} + + /** * Insert the active immediate struct onto the display list currently * being built. @@ -752,25 +792,8 @@ compile_vertex_list(struct gl_context *ctx) * the next vertex lists as well. */ if (save->vertex_store->used > - VBO_SAVE_BUFFER_SIZE - 16 * (save->vertex_size + 4)) { - - /* Unmap old store: - */ - vbo_save_unmap_vertex_store(ctx, save->vertex_store); - - /* Release old reference: - */ - free_vertex_store(ctx, save->vertex_store); - save->vertex_store = NULL; - /* When we have a new vbo, we will for sure need a new vao */ - for (gl_vertex_processing_mode vpm = 0; vpm < VP_MODE_MAX; ++vpm) - _mesa_reference_vao(ctx, &save->VAO[vpm], NULL); - - /* Allocate and map new store: - */ - save->vertex_store = alloc_vertex_store(ctx); - save->buffer_ptr = vbo_save_map_vertex_store(ctx, save->vertex_store); - save->out_of_memory = save->buffer_ptr == NULL; + save->vertex_store->bufferobj->Size / sizeof(float) - 16 * (save->vertex_size + 4)) { + realloc_storage(ctx, -1, 0); } else { /* update buffer_ptr for next vertex */ @@ -778,10 +801,8 @@ compile_vertex_list(struct gl_context *ctx) + save->vertex_store->used; } - if (save->prim_store->used > VBO_SAVE_PRIM_SIZE - 6) { - save->prim_store->refcount--; - assert(save->prim_store->refcount != 0); - save->prim_store = alloc_prim_store(); + if (save->prim_store->used > save->prim_store->size - 6) { + realloc_storage(ctx, 0, -1); } /* Reset our structures for the next run of vertices: @@ -936,7 +957,8 @@ upgrade_vertex(struct gl_context *ctx, GLuint attr, GLuint newsz) save->enabled |= BITFIELD64_BIT(attr); save->vertex_size += newsz - oldsz; - save->max_vert = ((VBO_SAVE_BUFFER_SIZE - save->vertex_store->used) / + save->max_vert = ((save->vertex_store->bufferobj->Size / sizeof(float) - + save->vertex_store->used) / save->vertex_size); save->vert_count = 0; @@ -1755,10 +1777,10 @@ vbo_save_NewList(struct gl_context *ctx, GLuint list, GLenum mode) (void) mode; if (!save->prim_store) - save->prim_store = alloc_prim_store(); + save->prim_store = alloc_prim_store(0); if (!save->vertex_store) - save->vertex_store = alloc_vertex_store(ctx); + save->vertex_store = alloc_vertex_store(ctx, 0); save->buffer_ptr = vbo_save_map_vertex_store(ctx, save->vertex_store); @@ -1842,8 +1864,10 @@ vbo_destroy_vertex_list(struct gl_context *ctx, void *data) for (gl_vertex_processing_mode vpm = VP_MODE_FF; vpm < VP_MODE_MAX; ++vpm) _mesa_reference_vao(ctx, &node->VAO[vpm], NULL); - if (--node->prim_store->refcount == 0) + if (--node->prim_store->refcount == 0) { + free(node->prim_store->prims); free(node->prim_store); + } _mesa_reference_buffer_object(ctx, &node->ib.obj, NULL); free(node->current_data);