diff options
author | Michal Krol <[email protected]> | 2009-12-17 22:37:15 +0100 |
---|---|---|
committer | Michal Krol <[email protected]> | 2009-12-17 22:37:15 +0100 |
commit | 16c6dce013f089d072256652f012b3b604781bfd (patch) | |
tree | 077623708990a855f9be2dfeb3925f727e6207e7 /src/mesa/shader/prog_execute.c | |
parent | 440fc5bf788201a265892ff2e12bf102e63a2896 (diff) | |
parent | 294bd53d4b6b15a6890599c46f14b205a3c738bf (diff) |
Merge branch 'master' into pipe-format-simplify
Conflicts:
src/gallium/auxiliary/draw/draw_pipe_aaline.c
src/gallium/auxiliary/draw/draw_pipe_pstipple.c
src/gallium/auxiliary/util/u_blit.c
src/gallium/auxiliary/util/u_gen_mipmap.c
src/gallium/auxiliary/util/u_surface.c
src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c
src/gallium/drivers/cell/ppu/cell_texture.c
src/gallium/drivers/llvmpipe/lp_texture.c
src/gallium/drivers/r300/r300_emit.c
src/gallium/drivers/r300/r300_texture.c
src/gallium/drivers/softpipe/sp_texture.c
src/gallium/drivers/softpipe/sp_tile_cache.c
src/gallium/drivers/svga/svga_state_vs.c
src/gallium/include/pipe/p_format.h
src/gallium/state_trackers/dri/dri_drawable.c
src/gallium/state_trackers/egl/egl_surface.c
src/gallium/state_trackers/python/p_device.i
src/gallium/state_trackers/python/st_softpipe_winsys.c
src/gallium/state_trackers/vega/api_filters.c
src/gallium/state_trackers/vega/image.c
src/gallium/state_trackers/vega/mask.c
src/gallium/state_trackers/vega/paint.c
src/gallium/state_trackers/vega/renderer.c
src/gallium/state_trackers/vega/vg_tracker.c
src/gallium/state_trackers/xorg/xorg_crtc.c
src/gallium/state_trackers/xorg/xorg_dri2.c
src/gallium/state_trackers/xorg/xorg_exa.c
src/gallium/state_trackers/xorg/xorg_renderer.c
src/gallium/state_trackers/xorg/xorg_xv.c
src/gallium/state_trackers/xorg/xvmc/surface.c
src/gallium/winsys/drm/nouveau/drm/nouveau_drm_api.c
src/gallium/winsys/drm/radeon/core/radeon_buffer.c
src/gallium/winsys/egl_xlib/sw_winsys.c
src/gallium/winsys/g3dvl/xlib/xsp_winsys.c
src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c
src/gallium/winsys/gdi/gdi_softpipe_winsys.c
src/gallium/winsys/xlib/xlib_cell.c
src/gallium/winsys/xlib/xlib_llvmpipe.c
src/gallium/winsys/xlib/xlib_softpipe.c
src/mesa/state_tracker/st_cb_fbo.c
src/mesa/state_tracker/st_cb_texture.c
src/mesa/state_tracker/st_texture.c
Diffstat (limited to 'src/mesa/shader/prog_execute.c')
-rw-r--r-- | src/mesa/shader/prog_execute.c | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index 192d39aed1e..038ce0b4f00 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -54,8 +54,18 @@ * Set x to positive or negative infinity. */ #if defined(USE_IEEE) || defined(_WIN32) -#define SET_POS_INFINITY(x) ( *((GLuint *) (void *)&x) = 0x7F800000 ) -#define SET_NEG_INFINITY(x) ( *((GLuint *) (void *)&x) = 0xFF800000 ) +#define SET_POS_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0x7F800000; \ + x = fi.f; \ + } while (0) +#define SET_NEG_INFINITY(x) \ + do { \ + fi_type fi; \ + fi.i = 0xFF800000; \ + x = fi.f; \ + } while (0) #elif defined(VMS) #define SET_POS_INFINITY(x) x = __MAXFLOAT #define SET_NEG_INFINITY(x) x = -__MAXFLOAT @@ -1635,11 +1645,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2H: /* unpack two 16-bit floats */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLhalfNV hx, hy; fetch_vector1(&inst->SrcReg[0], machine, a); - hx = rawBits[0] & 0xffff; - hy = rawBits[0] >> 16; + fi.f = a[0]; + hx = fi.i & 0xffff; + hy = fi.i >> 16; result[0] = result[2] = _mesa_half_to_float(hx); result[1] = result[3] = _mesa_half_to_float(hy); store_vector4(inst, machine, result); @@ -1648,11 +1659,12 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP2US: /* unpack two GLushorts */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; GLushort usx, usy; fetch_vector1(&inst->SrcReg[0], machine, a); - usx = rawBits[0] & 0xffff; - usy = rawBits[0] >> 16; + fi.f = a[0]; + usx = fi.i & 0xffff; + usy = fi.i >> 16; result[0] = result[2] = usx * (1.0f / 65535.0f); result[1] = result[3] = usy * (1.0f / 65535.0f); store_vector4(inst, machine, result); @@ -1661,24 +1673,26 @@ _mesa_execute_program(GLcontext * ctx, case OPCODE_UP4B: /* unpack four GLbytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = (((rawBits[0] >> 0) & 0xff) - 128) / 127.0F; - result[1] = (((rawBits[0] >> 8) & 0xff) - 128) / 127.0F; - result[2] = (((rawBits[0] >> 16) & 0xff) - 128) / 127.0F; - result[3] = (((rawBits[0] >> 24) & 0xff) - 128) / 127.0F; + fi.f = a[0]; + result[0] = (((fi.i >> 0) & 0xff) - 128) / 127.0F; + result[1] = (((fi.i >> 8) & 0xff) - 128) / 127.0F; + result[2] = (((fi.i >> 16) & 0xff) - 128) / 127.0F; + result[3] = (((fi.i >> 24) & 0xff) - 128) / 127.0F; store_vector4(inst, machine, result); } break; case OPCODE_UP4UB: /* unpack four GLubytes */ { GLfloat a[4], result[4]; - const GLuint *rawBits = (const GLuint *) a; + fi_type fi; fetch_vector1(&inst->SrcReg[0], machine, a); - result[0] = ((rawBits[0] >> 0) & 0xff) / 255.0F; - result[1] = ((rawBits[0] >> 8) & 0xff) / 255.0F; - result[2] = ((rawBits[0] >> 16) & 0xff) / 255.0F; - result[3] = ((rawBits[0] >> 24) & 0xff) / 255.0F; + fi.f = a[0]; + result[0] = ((fi.i >> 0) & 0xff) / 255.0F; + result[1] = ((fi.i >> 8) & 0xff) / 255.0F; + result[2] = ((fi.i >> 16) & 0xff) / 255.0F; + result[3] = ((fi.i >> 24) & 0xff) / 255.0F; store_vector4(inst, machine, result); } break; |