diff options
Diffstat (limited to 'src/mesa/pipe/softpipe')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_clear.c | 2 | ||||
-rw-r--r-- | src/mesa/pipe/softpipe/sp_context.c | 5 | ||||
-rw-r--r-- | src/mesa/pipe/softpipe/sp_context.h | 4 | ||||
-rw-r--r-- | src/mesa/pipe/softpipe/sp_region.c | 287 | ||||
-rw-r--r-- | src/mesa/pipe/softpipe/sp_winsys.h | 100 |
5 files changed, 295 insertions, 103 deletions
diff --git a/src/mesa/pipe/softpipe/sp_clear.c b/src/mesa/pipe/softpipe/sp_clear.c index d7684d2044..2d69b6e0dc 100644 --- a/src/mesa/pipe/softpipe/sp_clear.c +++ b/src/mesa/pipe/softpipe/sp_clear.c @@ -56,5 +56,5 @@ softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps, w = softpipe->framebuffer.cbufs[0]->width; h = softpipe->framebuffer.cbufs[0]->height; - pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue, ~0); + pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue); } diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c index fe7f2f351a..22928f7bd6 100644 --- a/src/mesa/pipe/softpipe/sp_context.c +++ b/src/mesa/pipe/softpipe/sp_context.c @@ -39,6 +39,7 @@ #include "sp_state.h" #include "sp_surface.h" #include "sp_prim_setup.h" +#include "sp_winsys.h" @@ -168,7 +169,7 @@ static GLuint softpipe_get_occlusion_counter(struct pipe_context *pipe) } -struct pipe_context *softpipe_create( void ) +struct pipe_context *softpipe_create( struct softpipe_winsys *sws ) { struct softpipe_context *softpipe = CALLOC_STRUCT(softpipe_context); @@ -209,6 +210,8 @@ struct pipe_context *softpipe_create( void ) softpipe->quad.colormask = sp_quad_colormask_stage(softpipe); softpipe->quad.output = sp_quad_output_stage(softpipe); + softpipe->winsys = sws; + /* * Create drawing context and plug our rendering stage into it. */ diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h index 3c379c9091..43fa8acd76 100644 --- a/src/mesa/pipe/softpipe/sp_context.h +++ b/src/mesa/pipe/softpipe/sp_context.h @@ -38,8 +38,8 @@ #include "sp_quad.h" - struct softpipe_surface; +struct softpipe_winsys; struct draw_context; struct draw_stage; @@ -68,6 +68,8 @@ enum interp_mode { struct softpipe_context { struct pipe_context pipe; /**< base class */ + struct softpipe_winsys *winsys; /**< window system interface */ + /* The most recent drawing state as set by the driver: */ 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; } + diff --git a/src/mesa/pipe/softpipe/sp_winsys.h b/src/mesa/pipe/softpipe/sp_winsys.h new file mode 100644 index 0000000000..43953c648b --- /dev/null +++ b/src/mesa/pipe/softpipe/sp_winsys.h @@ -0,0 +1,100 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SP_WINSYS_H +#define SP_WINSYS_H + +#include "main/mtypes.h" + +/* This is the interface that softpipe requires any window system + * hosting it to implement. This is the only include file in softpipe + * which is public. + */ + + +/* Pipe drivers are (meant to be!) independent of both GL and the + * window system. The window system provides a buffer manager and a + * set of additional hooks for things like command buffer submission, + * etc. + * + * There clearly has to be some agreement between the window system + * driver and the hardware driver about the format of command buffers, + * etc. + */ + +struct softpipe_buffer_handle; + +struct softpipe_winsys { + + + /* The buffer manager is modeled after the dri_bugmgr interface, + * but this is the subset that softpipe cares about. Remember that + * softpipe gets to choose the interface it needs, and the window + * systems must then implement that interface (rather than the + * other way around...). + * + * Softpipe only really wants to make system memory allocations, + * right?? + */ + struct softpipe_buffer_handle *(*create_buffer)(struct softpipe_winsys *sws, + const char *name, + unsigned alignment ); + + void *(*buffer_map)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_unmap)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + struct softpipe_buffer_handle *(*buffer_reference)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_unreference)( struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf ); + + void (*buffer_data)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned size, const void *data ); + + void (*buffer_subdata)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned long offset, + unsigned long size, + const void *data); + + void (*buffer_get_subdata)(struct softpipe_winsys *sws, + struct softpipe_buffer_handle *buf, + unsigned long offset, + unsigned long size, + void *data); +}; + + +struct pipe_context *softpipe_create( struct softpipe_winsys * ); + + +#endif /* SP_WINSYS_H */ |