diff options
| -rw-r--r-- | src/mesa/vbo/vbo.h | 3 | ||||
| -rw-r--r-- | src/mesa/vbo/vbo_save.h | 4 | ||||
| -rw-r--r-- | src/mesa/vbo/vbo_save_api.c | 54 |
3 files changed, 36 insertions, 25 deletions
diff --git a/src/mesa/vbo/vbo.h b/src/mesa/vbo/vbo.h index c1406b250a..79f7665535 100644 --- a/src/mesa/vbo/vbo.h +++ b/src/mesa/vbo/vbo.h @@ -40,7 +40,8 @@ struct _mesa_prim { GLuint begin:1; GLuint end:1; GLuint weak:1; - GLuint pad:20; + GLuint no_current_update:1; + GLuint pad:19; GLuint start; GLuint count; diff --git a/src/mesa/vbo/vbo_save.h b/src/mesa/vbo/vbo_save.h index f5a407ced1..23cbea2afc 100644 --- a/src/mesa/vbo/vbo_save.h +++ b/src/mesa/vbo/vbo_save.h @@ -96,7 +96,9 @@ struct vbo_save_vertex_list { */ #define VBO_SAVE_BUFFER_SIZE (8*1024) /* dwords */ #define VBO_SAVE_PRIM_SIZE 128 -#define VBO_SAVE_PRIM_WEAK 0x40 +#define VBO_SAVE_PRIM_MODE_MASK 0x3f +#define VBO_SAVE_PRIM_WEAK 0x40 +#define VBO_SAVE_PRIM_NO_CURRENT_UPDATE 0x80 #define VBO_SAVE_FALLBACK 0x10000000 diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c index 817d478e2a..bf5ceda78f 100644 --- a/src/mesa/vbo/vbo_save_api.c +++ b/src/mesa/vbo/vbo_save_api.c @@ -294,26 +294,30 @@ static void _save_compile_vertex_list( struct gl_context *ctx ) node->vertex_store->refcount++; node->prim_store->refcount++; - - node->current_size = node->vertex_size - node->attrsz[0]; - node->current_data = NULL; - - if (node->current_size) { - /* If the malloc fails, we just pull the data out of the VBO - * later instead. - */ - node->current_data = MALLOC( node->current_size * sizeof(GLfloat) ); - if (node->current_data) { - const char *buffer = (const char *)save->vertex_store->buffer; - unsigned attr_offset = node->attrsz[0] * sizeof(GLfloat); - unsigned vertex_offset = 0; - - if (node->count) - vertex_offset = (node->count-1) * node->vertex_size * sizeof(GLfloat); - - memcpy( node->current_data, - buffer + node->buffer_offset + vertex_offset + attr_offset, - node->current_size * sizeof(GLfloat) ); + if (node->prim[0].no_current_update) { + node->current_size = 0; + node->current_data = NULL; + } else { + node->current_size = node->vertex_size - node->attrsz[0]; + node->current_data = NULL; + + if (node->current_size) { + /* If the malloc fails, we just pull the data out of the VBO + * later instead. + */ + node->current_data = MALLOC( node->current_size * sizeof(GLfloat) ); + if (node->current_data) { + const char *buffer = (const char *)save->vertex_store->buffer; + unsigned attr_offset = node->attrsz[0] * sizeof(GLfloat); + unsigned vertex_offset = 0; + + if (node->count) + vertex_offset = (node->count-1) * node->vertex_size * sizeof(GLfloat); + + memcpy( node->current_data, + buffer + node->buffer_offset + vertex_offset + attr_offset, + node->current_size * sizeof(GLfloat) ); + } } } @@ -397,6 +401,7 @@ static void _save_wrap_buffers( struct gl_context *ctx ) GLint i = save->prim_count - 1; GLenum mode; GLboolean weak; + GLboolean no_current_update; assert(i < (GLint) save->prim_max); assert(i >= 0); @@ -407,6 +412,7 @@ static void _save_wrap_buffers( struct gl_context *ctx ) save->prim[i].start); mode = save->prim[i].mode; weak = save->prim[i].weak; + no_current_update = save->prim[i].no_current_update; /* store the copied vertices, and allocate a new list. */ @@ -416,6 +422,7 @@ static void _save_wrap_buffers( struct gl_context *ctx ) */ save->prim[0].mode = mode; save->prim[0].weak = weak; + save->prim[0].no_current_update = no_current_update; save->prim[0].begin = 0; save->prim[0].end = 0; save->prim[0].pad = 0; @@ -770,10 +777,11 @@ GLboolean vbo_save_NotifyBegin( struct gl_context *ctx, GLenum mode ) GLuint i = save->prim_count++; assert(i < save->prim_max); - save->prim[i].mode = mode & ~VBO_SAVE_PRIM_WEAK; + save->prim[i].mode = mode & VBO_SAVE_PRIM_MODE_MASK; save->prim[i].begin = 1; save->prim[i].end = 0; save->prim[i].weak = (mode & VBO_SAVE_PRIM_WEAK) ? 1 : 0; + save->prim[i].no_current_update = (mode & VBO_SAVE_PRIM_NO_CURRENT_UPDATE) ? 1 : 0; save->prim[i].pad = 0; save->prim[i].start = save->vert_count; save->prim[i].count = 0; @@ -934,7 +942,7 @@ static void GLAPIENTRY _save_OBE_DrawArrays(GLenum mode, GLint start, GLsizei co _ae_map_vbos( ctx ); - vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK ); + vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE); for (i = 0; i < count; i++) CALL_ArrayElement(GET_DISPATCH(), (start + i)); @@ -960,7 +968,7 @@ static void GLAPIENTRY _save_OBE_DrawElements(GLenum mode, GLsizei count, GLenum if (_mesa_is_bufferobj(ctx->Array.ElementArrayBufferObj)) indices = ADD_POINTERS(ctx->Array.ElementArrayBufferObj->Pointer, indices); - vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK ); + vbo_save_NotifyBegin( ctx, mode | VBO_SAVE_PRIM_WEAK | VBO_SAVE_PRIM_NO_CURRENT_UPDATE ); switch (type) { case GL_UNSIGNED_BYTE: |