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authorMichal Krol <michal@vmware.com>2009-12-17 22:37:15 +0100
committerMichal Krol <michal@vmware.com>2009-12-17 22:37:15 +0100
commit16c6dce013f089d072256652f012b3b604781bfd (patch)
tree077623708990a855f9be2dfeb3925f727e6207e7 /src/mesa/shader/program.c
parent440fc5bf788201a265892ff2e12bf102e63a2896 (diff)
parent294bd53d4b6b15a6890599c46f14b205a3c738bf (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/program.c')
-rw-r--r--src/mesa/shader/program.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/mesa/shader/program.c b/src/mesa/shader/program.c
index 532adf4d36..6b8d94e661 100644
--- a/src/mesa/shader/program.c
+++ b/src/mesa/shader/program.c
@@ -806,9 +806,17 @@ _mesa_find_free_register(const struct gl_program *prog, GLuint regFile)
const struct prog_instruction *inst = prog->Instructions + i;
const GLuint n = _mesa_num_inst_src_regs(inst->Opcode);
- for (k = 0; k < n; k++) {
- if (inst->SrcReg[k].File == regFile) {
- used[inst->SrcReg[k].Index] = GL_TRUE;
+ /* check dst reg first */
+ if (inst->DstReg.File == regFile) {
+ used[inst->DstReg.Index] = GL_TRUE;
+ }
+ else {
+ /* check src regs otherwise */
+ for (k = 0; k < n; k++) {
+ if (inst->SrcReg[k].File == regFile) {
+ used[inst->SrcReg[k].Index] = GL_TRUE;
+ break;
+ }
}
}
}