From e209ca866dc1787b9eeece6ae3b53e1e47811d5f Mon Sep 17 00:00:00 2001 From: Brian Date: Sat, 11 Aug 2007 21:18:33 +0100 Subject: [PATCH] do clipping in get_tile() --- src/mesa/pipe/softpipe/sp_surface.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c index 5ef8ec9..1919947 100644 --- a/src/mesa/pipe/softpipe/sp_surface.c +++ b/src/mesa/pipe/softpipe/sp_surface.c @@ -104,6 +104,7 @@ a8r8g8b8_get_tile(struct pipe_surface *ps, = ((const GLuint *) (ps->region->map + ps->offset)) + y * ps->region->pitch + x; GLuint i, j; + GLuint w0 = w; assert(ps->format == PIPE_FORMAT_U_A8_R8_G8_B8); @@ -111,22 +112,24 @@ a8r8g8b8_get_tile(struct pipe_surface *ps, assert(x + w <= ps->width); assert(y + h <= ps->height); #else - /* temp hack */ + /* temp clipping hack */ if (x + w > ps->width) w = ps->width - x; if (y + h > ps->height) h = ps->height -y; #endif for (i = 0; i < h; i++) { + GLfloat *pRow = p; for (j = 0; j < w; j++) { const GLuint pixel = src[j]; - p[0] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff); - p[1] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff); - p[2] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff); - p[3] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff); - p += 4; + pRow[0] = UBYTE_TO_FLOAT((pixel >> 16) & 0xff); + pRow[1] = UBYTE_TO_FLOAT((pixel >> 8) & 0xff); + pRow[2] = UBYTE_TO_FLOAT((pixel >> 0) & 0xff); + pRow[3] = UBYTE_TO_FLOAT((pixel >> 24) & 0xff); + pRow += 4; } src += ps->region->pitch; + p += w0 * 4; } } @@ -348,9 +351,14 @@ s8_write_quad_stencil(struct softpipe_surface *sps, } +/** + * Initialize the quad_read/write and get/put_tile() methods. + */ void softpipe_init_surface_funcs(struct softpipe_surface *sps) { + assert(sps->surface.format); + switch (sps->surface.format) { case PIPE_FORMAT_U_A8_R8_G8_B8: sps->read_quad_f_swz = a8r8g8b8_read_quad_f_swz; -- 2.7.4