diff options
Diffstat (limited to 'src/mesa/pipe/i915simple/i915_surface.c')
| -rw-r--r-- | src/mesa/pipe/i915simple/i915_surface.c | 185 |
1 files changed, 176 insertions, 9 deletions
diff --git a/src/mesa/pipe/i915simple/i915_surface.c b/src/mesa/pipe/i915simple/i915_surface.c index bec7ddb7319..e4a5de00d77 100644 --- a/src/mesa/pipe/i915simple/i915_surface.c +++ b/src/mesa/pipe/i915simple/i915_surface.c @@ -26,6 +26,7 @@ **************************************************************************/ #include "i915_context.h" +#include "i915_blit.h" #include "i915_state.h" #include "pipe/p_defines.h" #include "pipe/p_util.h" @@ -57,7 +58,7 @@ i915_get_tile_rgba(struct pipe_context *pipe, { const unsigned *src = ((const unsigned *) (ps->region->map + ps->offset)) - + y * ps->region->pitch + x; + + y * ps->pitch + x; unsigned i, j; unsigned w0 = w; @@ -75,7 +76,7 @@ i915_get_tile_rgba(struct pipe_context *pipe, pRow[3] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff); pRow += 4; } - src += ps->region->pitch; + src += ps->pitch; p += w0 * 4; } break; @@ -92,7 +93,7 @@ i915_get_tile_rgba(struct pipe_context *pipe, pRow[3] = (pixel & 0xffffff) * scale; pRow += 4; } - src += ps->region->pitch; + src += ps->pitch; p += w0 * 4; } } @@ -122,7 +123,7 @@ i915_get_tile(struct pipe_context *pipe, uint x, uint y, uint w, uint h, void *p, int dst_stride) { - const uint cpp = ps->region->cpp; + const uint cpp = ps->cpp; const uint w0 = w; const ubyte *pSrc; ubyte *pDest; @@ -136,13 +137,13 @@ i915_get_tile(struct pipe_context *pipe, dst_stride = w0 * cpp; } - pSrc = ps->region->map + ps->offset + (y * ps->region->pitch + x) * cpp; + pSrc = ps->region->map + ps->offset + (y * ps->pitch + x) * cpp; pDest = (ubyte *) p; for (i = 0; i < h; i++) { memcpy(pDest, pSrc, w0 * cpp); pDest += dst_stride; - pSrc += ps->region->pitch * cpp; + pSrc += ps->pitch * cpp; } } @@ -156,7 +157,7 @@ i915_put_tile(struct pipe_context *pipe, uint x, uint y, uint w, uint h, const void *p, int src_stride) { - const uint cpp = ps->region->cpp; + const uint cpp = ps->cpp; const uint w0 = w; const ubyte *pSrc; ubyte *pDest; @@ -171,11 +172,11 @@ i915_put_tile(struct pipe_context *pipe, } pSrc = (const ubyte *) p; - pDest = ps->region->map + ps->offset + (y * ps->region->pitch + x) * cpp; + pDest = ps->region->map + ps->offset + (y * ps->pitch + x) * cpp; for (i = 0; i < h; i++) { memcpy(pDest, pSrc, w0 * cpp); - pDest += ps->region->pitch * cpp; + pDest += ps->pitch * cpp; pSrc += src_stride; } } @@ -210,14 +211,177 @@ i915_get_tex_surface(struct pipe_context *pipe, assert(ps->format); assert(ps->refcount); pipe_region_reference(&ps->region, mt->region); + ps->cpp = mt->cpp; ps->width = mt->level[level].width; ps->height = mt->level[level].height; + ps->pitch = mt->pitch; ps->offset = offset; } return ps; } +/* + * XXX Move this into core Mesa? + */ +static void +_mesa_copy_rect(ubyte * dst, + unsigned cpp, + unsigned dst_pitch, + unsigned dst_x, + unsigned dst_y, + unsigned width, + unsigned height, + const ubyte * src, + unsigned src_pitch, + unsigned src_x, + unsigned src_y) +{ + unsigned 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 +i915_surface_data(struct pipe_context *pipe, + struct pipe_surface *dst, + unsigned dstx, unsigned dsty, + const void *src, unsigned src_pitch, + unsigned srcx, unsigned srcy, unsigned width, unsigned height) +{ + _mesa_copy_rect(pipe->region_map(pipe, dst->region) + dst->offset, + dst->cpp, + dst->pitch, + dstx, dsty, width, height, src, src_pitch, srcx, srcy); + + pipe->region_unmap(pipe, dst->region); +} + + +/* 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) +{ + assert( dst != src ); + assert( dst->cpp == src->cpp ); + + if (0) { + _mesa_copy_rect(pipe->region_map(pipe, dst->region) + dst->offset, + dst->cpp, + dst->pitch, + dstx, dsty, + width, height, + pipe->region_map(pipe, src->region) + src->offset, + src->pitch, + srcx, srcy); + + pipe->region_unmap(pipe, src->region); + pipe->region_unmap(pipe, dst->region); + } + else { + i915_copy_blit( i915_context(pipe), + dst->cpp, + (short) src->pitch, src->region->buffer, src->offset, + (short) dst->pitch, dst->region->buffer, dst->offset, + (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height ); + } +} + +/* Fill a rectangular sub-region. Need better logic about when to + * push buffers into AGP - will currently do so whenever possible. + */ +static ubyte * +get_pointer(struct pipe_surface *dst, unsigned x, unsigned y) +{ + return dst->region->map + (y * dst->pitch + x) * dst->cpp; +} + + +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) { + unsigned i, j; + + (void)pipe->region_map(pipe, dst->region); + + switch (dst->cpp) { + case 1: { + ubyte *row = get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + memset(row, value, width); + row += dst->pitch; + } + } + break; + case 2: { + ushort *row = (ushort *) get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) + row[j] = (ushort) value; + row += dst->pitch; + } + } + break; + case 4: { + unsigned *row = (unsigned *) get_pointer(dst, dstx, dsty); + for (i = 0; i < height; i++) { + for (j = 0; j < width; j++) + row[j] = value; + row += dst->pitch; + } + } + break; + default: + assert(0); + break; + } + } + else { + i915_fill_blit( i915_context(pipe), + dst->cpp, + (short) dst->pitch, + dst->region->buffer, dst->offset, + (short) dstx, (short) dsty, + (short) width, (short) height, + value ); + } +} + + void i915_init_surface_functions(struct i915_context *i915) { @@ -226,4 +390,7 @@ i915_init_surface_functions(struct i915_context *i915) i915->pipe.put_tile = i915_put_tile; i915->pipe.get_tile_rgba = i915_get_tile_rgba; i915->pipe.put_tile_rgba = i915_put_tile_rgba; + i915->pipe.surface_data = i915_surface_data; + i915->pipe.surface_copy = i915_surface_copy; + i915->pipe.surface_fill = i915_surface_fill; } |