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added a get_tile() func

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This commit is contained in:
Brian 2007-08-07 18:20:30 -06:00
parent 11c557d3ca
commit 85675db0fc
1 changed files with 25 additions and 1 deletions
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26
src/mesa/pipe/softpipe/sp_surface.c
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@ -30,6 +30,7 @@
#include "sp_surface.h"
#include "pipe/p_defines.h"
#include "main/imports.h"
#include "main/macros.h"
/**
@ -315,6 +316,23 @@ s8_write_quad_stencil(struct softpipe_surface *sps,
static void
a8r8g8b8_get_tile(struct pipe_surface *ps,
GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p)
{
const GLuint *src
= ((const GLuint *) ps->region->map) + y * ps->region->pitch + x;
assert(w == 1);
assert(h == 1);
p[0] = UBYTE_TO_FLOAT((src[0] >> 16) & 0xff);
p[1] = UBYTE_TO_FLOAT((src[0] >> 8) & 0xff);
p[2] = UBYTE_TO_FLOAT((src[0] >> 0) & 0xff);
p[3] = UBYTE_TO_FLOAT((src[0] >> 24) & 0xff);
}
static void
init_quad_funcs(struct softpipe_surface *sps)
{
@ -337,8 +355,14 @@ init_quad_funcs(struct softpipe_surface *sps)
sps->read_quad_stencil = s8_read_quad_stencil;
sps->write_quad_stencil = s8_write_quad_stencil;
break;
case PIPE_FORMAT_U_A8_R8_G8_B8:
sps->surface.get_tile = a8r8g8b8_get_tile;
break;
default:
/*
assert(0);
*/
;
}
}
@ -386,7 +410,7 @@ softpipe_get_tex_surface(struct pipe_context *pipe,
assert(zslice == 0);
}
ps = pipe->surface_alloc(pipe, mt->internal_format);
ps = pipe->surface_alloc(pipe, mt->format);
if (ps) {
assert(ps->format);
assert(ps->refcount);