diff options
Diffstat (limited to 'src/gallium/drivers/i915simple/i915_surface.c')
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_surface.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915simple/i915_surface.c b/src/gallium/drivers/i915simple/i915_surface.c new file mode 100644 index 00000000000..94e2deaf615 --- /dev/null +++ b/src/gallium/drivers/i915simple/i915_surface.c @@ -0,0 +1,126 @@ +/************************************************************************** + * + * Copyright 2003 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. + * + **************************************************************************/ + +#include "i915_context.h" +#include "i915_blit.h" +#include "i915_state.h" +#include "pipe/p_defines.h" +#include "pipe/p_inlines.h" +#include "pipe/p_inlines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "util/u_tile.h" +#include "util/u_rect.h" + + +/* Assumes all values are within bounds -- no checking at this level - + * do it higher up if required. + */ +static void +i915_surface_copy(struct pipe_context *pipe, + boolean do_flip, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + struct pipe_surface *src, + unsigned srcx, unsigned srcy, unsigned width, unsigned height) +{ + assert( dst != src ); + assert( dst->block.size == src->block.size ); + assert( dst->block.width == src->block.height ); + assert( dst->block.height == src->block.height ); + + if (0) { + void *dst_map = pipe->screen->surface_map( pipe->screen, + dst, + PIPE_BUFFER_USAGE_CPU_WRITE ); + + const void *src_map = pipe->screen->surface_map( pipe->screen, + src, + PIPE_BUFFER_USAGE_CPU_READ ); + + pipe_copy_rect(dst_map, + &dst->block, + dst->stride, + dstx, dsty, + width, height, + src_map, + do_flip ? -(int) src->stride : src->stride, + srcx, do_flip ? height - 1 - srcy : srcy); + + pipe->screen->surface_unmap(pipe->screen, src); + pipe->screen->surface_unmap(pipe->screen, dst); + } + else { + struct i915_texture *dst_tex = (struct i915_texture *)dst->texture; + struct i915_texture *src_tex = (struct i915_texture *)src->texture; + assert(dst->block.width == 1); + assert(dst->block.height == 1); + i915_copy_blit( i915_context(pipe), + do_flip, + dst->block.size, + (unsigned short) src->stride, src_tex->buffer, src->offset, + (unsigned short) dst->stride, dst_tex->buffer, dst->offset, + (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height ); + } +} + + +static void +i915_surface_fill(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + unsigned width, unsigned height, unsigned value) +{ + if (0) { + void *dst_map = pipe->screen->surface_map( pipe->screen, + dst, + PIPE_BUFFER_USAGE_CPU_WRITE ); + + pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value); + + pipe->screen->surface_unmap(pipe->screen, dst); + } + else { + struct i915_texture *tex = (struct i915_texture *)dst->texture; + assert(dst->block.width == 1); + assert(dst->block.height == 1); + i915_fill_blit( i915_context(pipe), + dst->block.size, + (unsigned short) dst->stride, + tex->buffer, dst->offset, + (short) dstx, (short) dsty, + (short) width, (short) height, + value ); + } +} + + +void +i915_init_surface_functions(struct i915_context *i915) +{ + i915->pipe.surface_copy = i915_surface_copy; + i915->pipe.surface_fill = i915_surface_fill; +} |