diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_region.c')
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_region.c | 287 |
1 files changed, 187 insertions, 100 deletions
diff --git a/src/mesa/pipe/softpipe/sp_region.c b/src/mesa/pipe/softpipe/sp_region.c index 1dbd1609e3..78a0919ad5 100644 --- a/src/mesa/pipe/softpipe/sp_region.c +++ b/src/mesa/pipe/softpipe/sp_region.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -25,74 +25,185 @@ * **************************************************************************/ -/** - * Software-based region allocation and management. - * A hardware driver would override these functions. +/* Provide additional functionality on top of bufmgr buffers: + * - 2d semantics and blit operations (XXX: remove/simplify blits??) + * - refcounting of buffers for multiple images in a buffer. + * - refcounting of buffer mappings. */ - #include "sp_context.h" +#include "sp_winsys.h" #include "sp_region.h" -#include "sp_surface.h" -#include "main/imports.h" +static void +sp_region_idle(struct pipe_context *pipe, struct pipe_region *region) +{ + +} + + +static GLubyte * +sp_region_map(struct pipe_context *pipe, struct pipe_region *region) +{ + struct softpipe_context *sp = softpipe_context( pipe ); + + if (!region->map_refcount++) { + region->map = sp->winsys->buffer_map( sp->winsys, + region->buffer ); + } + + return region->map; +} + +static void +sp_region_unmap(struct pipe_context *pipe, struct pipe_region *region) +{ + struct softpipe_context *sp = softpipe_context( pipe ); + + if (!--region->map_refcount) { + sp->winsys->buffer_unmap( sp->winsys, + region->buffer ); + region->map = NULL; + } +} + static struct pipe_region * sp_region_alloc(struct pipe_context *pipe, - GLuint cpp, GLuint pitch, GLuint height) + GLuint cpp, GLuint pitch, GLuint height) { - struct pipe_region *region = CALLOC_STRUCT(pipe_region); - if (!region) - return NULL; + struct softpipe_context *sp = softpipe_context( pipe ); + struct pipe_region *region = calloc(sizeof(*region), 1); - region->refcount = 1; region->cpp = cpp; region->pitch = pitch; - region->height = height; - region->map = malloc(cpp * pitch * height); + region->height = height; /* needed? */ + region->refcount = 1; + + region->buffer = sp->winsys->create_buffer(sp->winsys, "region", 64 ); + + sp->winsys->buffer_data( sp->winsys, + region->buffer, + pitch * cpp * height, + NULL ); return region; } - static void sp_region_release(struct pipe_context *pipe, struct pipe_region **region) { - assert((*region)->refcount > 0); + struct softpipe_context *sp = softpipe_context( pipe ); + + if (!*region) + return; + + ASSERT((*region)->refcount > 0); (*region)->refcount--; if ((*region)->refcount == 0) { assert((*region)->map_refcount == 0); -#if 0 - if ((*region)->pbo) - (*region)->pbo->region = NULL; - (*region)->pbo = NULL; -#endif - + sp->winsys->buffer_unreference( sp->winsys, + (*region)->buffer ); free(*region); } *region = NULL; } - -static GLubyte * -sp_region_map(struct pipe_context *pipe, struct pipe_region *region) +/* + * XXX Move this into core Mesa? + */ +static void +_mesa_copy_rect(GLubyte * dst, + GLuint cpp, + GLuint dst_pitch, + GLuint dst_x, + GLuint dst_y, + GLuint width, + GLuint height, + const GLubyte * src, + GLuint src_pitch, + GLuint src_x, + GLuint src_y) { - region->map_refcount++; - return region->map; + GLuint i; + + dst_pitch *= cpp; + src_pitch *= cpp; + dst += dst_x * cpp; + src += src_x * cpp; + dst += dst_y * dst_pitch; + src += src_y * dst_pitch; + width *= cpp; + + if (width == dst_pitch && width == src_pitch) + memcpy(dst, src, height * width); + else { + for (i = 0; i < height; i++) { + memcpy(dst, src, width); + dst += dst_pitch; + src += src_pitch; + } + } } +/* Upload data to a rectangular sub-region. Lots of choices how to do this: + * + * - memcpy by span to current destination + * - upload data as new buffer and blit + * + * Currently always memcpy. + */ static void -sp_region_unmap(struct pipe_context *pipe, struct pipe_region *region) +sp_region_data(struct pipe_context *pipe, + struct pipe_region *dst, + GLuint dst_offset, + GLuint dstx, GLuint dsty, + const void *src, GLuint src_pitch, + GLuint srcx, GLuint srcy, GLuint width, GLuint height) { - region->map_refcount--; + _mesa_copy_rect(pipe->region_map(pipe, dst) + dst_offset, + dst->cpp, + dst->pitch, + dstx, dsty, width, height, src, src_pitch, srcx, srcy); + + pipe->region_unmap(pipe, dst); } +/* Assumes all values are within bounds -- no checking at this level - + * do it higher up if required. + */ +static void +sp_region_copy(struct pipe_context *pipe, + struct pipe_region *dst, + GLuint dst_offset, + GLuint dstx, GLuint dsty, + struct pipe_region *src, + GLuint src_offset, + GLuint srcx, GLuint srcy, GLuint width, GLuint height) +{ + assert( dst != src ); + assert( dst->cpp == src->cpp ); + _mesa_copy_rect(pipe->region_map(pipe, dst) + dst_offset, + dst->cpp, + dst->pitch, + dstx, dsty, + width, height, + pipe->region_map(pipe, src) + src_offset, + src->pitch, + srcx, srcy); + pipe->region_unmap(pipe, src); + pipe->region_unmap(pipe, dst); +} + +/* Fill a rectangular sub-region. Need better logic about when to + * push buffers into AGP - will currently do so whenever possible. + */ static GLubyte * get_pointer(struct pipe_region *dst, GLuint x, GLuint y) { @@ -105,93 +216,69 @@ sp_region_fill(struct pipe_context *pipe, struct pipe_region *dst, GLuint dst_offset, GLuint dstx, GLuint dsty, - GLuint width, GLuint height, GLuint value, GLuint mask) + GLuint width, GLuint height, GLuint value) { GLuint i, j; + + (void)pipe->region_map(pipe, dst); + switch (dst->cpp) { - case 1: - { - GLubyte *row = get_pointer(dst, dstx, dsty); - if ((mask & 0xff) == 0xff) { - /* no masking */ - for (i = 0; i < height; i++) { - memset(row, value, width); - row += dst->pitch; - } - } - else { - value &= mask; - mask = ~mask; - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) { - row[j] = (row[j] & mask) | value; - } - row += dst->pitch; - } - } + case 1: { + GLubyte *row = get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + memset(row, value, width); + row += dst->pitch; } - break; - case 2: - { - GLushort *row = (GLushort *) get_pointer(dst, dstx, dsty); - if ((mask & 0xffff) == 0xffff) { - /* no masking */ - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = value; - row += dst->pitch; - } - } - else { - value &= mask; - mask = ~mask; - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = (row[j] & mask) | value; - row += dst->pitch; - } - } + } + break; + case 2: { + GLushort *row = (GLushort *) get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) + row[j] = value; + row += dst->pitch; } - break; - case 4: - { - GLuint *row = (GLuint *) get_pointer(dst, dstx, dsty); - if (mask == 0xffffffff) { - /* no masking */ - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = value; - row += dst->pitch; - } - } - else { - value &= mask; - mask = ~mask; - for (i = 0; i < height; i++) { - for (j = 0; j < width; j++) - row[j] = (row[j] & mask) | value; - row += dst->pitch; - } - } + } + break; + case 4: { + GLuint *row = (GLuint *) get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) + row[j] = value; + row += dst->pitch; } - break; + } + break; default: assert(0); - + break; } + + pipe->region_unmap( pipe, dst ); +} + + + +static struct _DriBufferObject * +sp_region_buffer(struct pipe_context *pipe, + struct pipe_region *region, GLuint flag) +{ + return region->buffer; } + void sp_init_region_functions(struct softpipe_context *sp) { - sp->pipe.region_alloc = sp_region_alloc; - sp->pipe.region_release = sp_region_release; - + sp->pipe.region_idle = sp_region_idle; sp->pipe.region_map = sp_region_map; sp->pipe.region_unmap = sp_region_unmap; - + sp->pipe.region_alloc = sp_region_alloc; + sp->pipe.region_release = sp_region_release; + sp->pipe.region_data = sp_region_data; + sp->pipe.region_copy = sp_region_copy; sp->pipe.region_fill = sp_region_fill; - - /* XXX lots of other region functions needed... */ + sp->pipe.region_buffer = sp_region_buffer; } + |