diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_surface.c')
-rw-r--r-- | src/gallium/drivers/i915/i915_surface.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_surface.c b/src/gallium/drivers/i915/i915_surface.c new file mode 100644 index 0000000000..ab8331f3e6 --- /dev/null +++ b/src/gallium/drivers/i915/i915_surface.c @@ -0,0 +1,94 @@ +/************************************************************************** + * + * 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, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + struct pipe_surface *src, + unsigned srcx, unsigned srcy, unsigned width, unsigned height) +{ + struct i915_texture *dst_tex = (struct i915_texture *)dst->texture; + struct i915_texture *src_tex = (struct i915_texture *)src->texture; + + assert( dst != src ); + assert( dst_tex->base.block.size == src_tex->base.block.size ); + assert( dst_tex->base.block.width == src_tex->base.block.height ); + assert( dst_tex->base.block.height == src_tex->base.block.height ); + assert( dst_tex->base.block.width == 1 ); + assert( dst_tex->base.block.height == 1 ); + + i915_copy_blit( i915_context(pipe), + FALSE, + dst_tex->base.block.size, + (unsigned short) src_tex->stride, src_tex->buffer, src->offset, + (unsigned short) dst_tex->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) +{ + struct i915_texture *tex = (struct i915_texture *)dst->texture; + + assert(tex->base.block.width == 1); + assert(tex->base.block.height == 1); + + i915_fill_blit( i915_context(pipe), + tex->base.block.size, + (unsigned short) tex->stride, + tex->buffer, dst->offset, + (short) dstx, (short) dsty, + (short) width, (short) height, + value ); +} + + +void +i915_init_surface_functions(struct i915_context *i915) +{ + i915->base.surface_copy = i915_surface_copy; + i915->base.surface_fill = i915_surface_fill; +} |