diff options
author | Jakob Bornecrantz <wallbraker@gmail.com> | 2009-11-06 15:54:27 +0000 |
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committer | Jakob Bornecrantz <wallbraker@gmail.com> | 2009-11-06 15:55:06 +0000 |
commit | 215b49ae1e44cc9ec2fcf7b9ca3711c07bcc95bc (patch) | |
tree | 427c943d9961719a72f4c7cc9076b4bb74d602e3 /src/gallium/drivers/i965/brw_screen_texture.c | |
parent | 6949d5c777a1f1b2a6daf4a1151fca417ba3c8be (diff) |
i965g: Add functions needed by the winsys
Diffstat (limited to 'src/gallium/drivers/i965/brw_screen_texture.c')
-rw-r--r-- | src/gallium/drivers/i965/brw_screen_texture.c | 117 |
1 files changed, 115 insertions, 2 deletions
diff --git a/src/gallium/drivers/i965/brw_screen_texture.c b/src/gallium/drivers/i965/brw_screen_texture.c index 8e684aa076..911f4825f2 100644 --- a/src/gallium/drivers/i965/brw_screen_texture.c +++ b/src/gallium/drivers/i965/brw_screen_texture.c @@ -300,8 +300,6 @@ fail: return NULL; } - - static struct pipe_texture *brw_texture_blanket(struct pipe_screen *screen, const struct pipe_texture *templ, const unsigned *stride, @@ -365,7 +363,122 @@ boolean brw_is_texture_referenced_by_bo( struct brw_screen *brw_screen, return FALSE; } +boolean brw_texture_get_winsys_buffer(struct pipe_texture *texture, + struct brw_winsys_buffer **buffer, + unsigned *stride) +{ + struct brw_texture *tex = brw_texture(texture); + + *buffer = tex->bo; + if (stride) + *stride = tex->pitch; + + return TRUE; +} + +struct pipe_texture * +brw_texture_blanket_winsys_buffer(struct pipe_screen *screen, + const struct pipe_texture *templ, + const unsigned pitch, + struct brw_winsys_buffer *buffer) +{ + struct brw_screen *bscreen = brw_screen(screen); + struct brw_texture *tex; + enum brw_buffer_type buffer_type; + enum pipe_error ret; + + if (pf_is_compressed(templ->format)) + return NULL; + + if (pf_is_depth_or_stencil(templ->format)) + return NULL; + + tex = CALLOC_STRUCT(brw_texture); + if (!tex) + return NULL; + + memcpy(&tex->base, templ, sizeof *templ); + pipe_reference_init(&tex->base.reference, 1); + tex->base.screen = screen; + + tex->cpp = pf_get_size(tex->base.format); + + make_empty_list(&tex->views[0]); + make_empty_list(&tex->views[1]); + + if (1) + tex->tiling = BRW_TILING_NONE; + else + tex->tiling = BRW_TILING_X; + + if (!brw_texture_layout(bscreen, tex)) + goto fail; + + + if (templ->tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET | + PIPE_TEXTURE_USAGE_PRIMARY)) { + buffer_type = BRW_BUFFER_TYPE_SCANOUT; + } else { + buffer_type = BRW_BUFFER_TYPE_TEXTURE; + } + + tex->bo = buffer; + + if (tex->pitch != pitch) + goto fail; + + +/* fix this warning + if (tex->size > buffer->size) + goto fail; + */ + + if (ret) + goto fail; + + tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; + tex->ss.ss0.surface_type = translate_tex_target(tex->base.target); + tex->ss.ss0.surface_format = translate_tex_format(tex->base.format); + assert(tex->ss.ss0.surface_format != BRW_SURFACEFORMAT_INVALID); + + /* This is ok for all textures with channel width 8bit or less: + */ +/* tex->ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */ + + + /* XXX: what happens when tex->bo->offset changes??? + */ + tex->ss.ss1.base_addr = 0; /* reloc */ + tex->ss.ss2.mip_count = tex->base.last_level; + tex->ss.ss2.width = tex->base.width[0] - 1; + tex->ss.ss2.height = tex->base.height[0] - 1; + + switch (tex->tiling) { + case BRW_TILING_NONE: + tex->ss.ss3.tiled_surface = 0; + tex->ss.ss3.tile_walk = 0; + break; + case BRW_TILING_X: + tex->ss.ss3.tiled_surface = 1; + tex->ss.ss3.tile_walk = BRW_TILEWALK_XMAJOR; + break; + case BRW_TILING_Y: + tex->ss.ss3.tiled_surface = 1; + tex->ss.ss3.tile_walk = BRW_TILEWALK_YMAJOR; + break; + } + + tex->ss.ss3.pitch = (tex->pitch * tex->cpp) - 1; + tex->ss.ss3.depth = tex->base.depth[0] - 1; + + tex->ss.ss4.min_lod = 0; + return &tex->base; + +fail: + FREE(tex); + return NULL; +} void brw_screen_tex_init( struct brw_screen *brw_screen ) { |