diff options
author | Brian <brian.paul@tungstengraphics.com> | 2008-02-20 14:04:05 -0700 |
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committer | Brian <brian.paul@tungstengraphics.com> | 2008-02-20 14:04:05 -0700 |
commit | 4eae65c8e052976a130564560699e60e1a3a9cc3 (patch) | |
tree | 7703d406acd1d5f6846e91f4a7ee3ff49337a51f /src/gallium/drivers/i965simple/brw_tex_layout.c | |
parent | 882a4b505484a50f1ccc2cf3ae0c3a52d4ec1be3 (diff) |
gallium: re-org of i965 texture/surface code, functions
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_tex_layout.c')
-rw-r--r-- | src/gallium/drivers/i965simple/brw_tex_layout.c | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/src/gallium/drivers/i965simple/brw_tex_layout.c b/src/gallium/drivers/i965simple/brw_tex_layout.c index 220591da9a..043a2ff9a4 100644 --- a/src/gallium/drivers/i965simple/brw_tex_layout.c +++ b/src/gallium/drivers/i965simple/brw_tex_layout.c @@ -300,8 +300,9 @@ static boolean brw_miptree_layout(struct pipe_context *pipe, struct brw_texture } -struct pipe_texture * -brw_texture_create(struct pipe_context *pipe, const struct pipe_texture *templat) +static struct pipe_texture * +brw_texture_create(struct pipe_context *pipe, + const struct pipe_texture *templat) { struct brw_texture *tex = CALLOC_STRUCT(brw_texture); @@ -323,7 +324,8 @@ brw_texture_create(struct pipe_context *pipe, const struct pipe_texture *templat return &tex->base; } -void + +static void brw_texture_release(struct pipe_context *pipe, struct pipe_texture **pt) { if (!*pt) @@ -353,9 +355,59 @@ brw_texture_release(struct pipe_context *pipe, struct pipe_texture **pt) } -void +static void brw_texture_update(struct pipe_context *pipe, struct pipe_texture *texture) { /* no-op? */ } + +/* + * XXX note: same as code in sp_surface.c + */ +static struct pipe_surface * +brw_get_tex_surface(struct pipe_context *pipe, + struct pipe_texture *pt, + unsigned face, unsigned level, unsigned zslice) +{ + struct brw_texture *tex = (struct brw_texture *)pt; + struct pipe_surface *ps; + unsigned offset; /* in bytes */ + + offset = tex->level_offset[level]; + + if (pt->target == PIPE_TEXTURE_CUBE) { + offset += tex->image_offset[level][face] * pt->cpp; + } + else if (pt->target == PIPE_TEXTURE_3D) { + offset += tex->image_offset[level][zslice] * pt->cpp; + } + else { + assert(face == 0); + assert(zslice == 0); + } + + ps = pipe->winsys->surface_alloc(pipe->winsys); + if (ps) { + assert(ps->format); + assert(ps->refcount); + pipe_buffer_reference(pipe->winsys, &ps->buffer, tex->buffer); + ps->format = pt->format; + ps->cpp = pt->cpp; + ps->width = pt->width[level]; + ps->height = pt->height[level]; + ps->pitch = tex->pitch; + ps->offset = offset; + } + return ps; +} + + +void +brw_init_texture_functions(struct brw_context *brw) +{ + brw->pipe.texture_create = brw_texture_create; + brw->pipe.texture_release = brw_texture_release; + brw->pipe.texture_update = brw_texture_update; + brw->pipe.get_tex_surface = brw_get_tex_surface; +} |