diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_resource_texture.c')
| -rw-r--r-- | src/gallium/drivers/i965/brw_resource_texture.c | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_resource_texture.c b/src/gallium/drivers/i965/brw_resource_texture.c new file mode 100644 index 00000000000..07537fe44ef --- /dev/null +++ b/src/gallium/drivers/i965/brw_resource_texture.c @@ -0,0 +1,602 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice (including the + next paragraph) shall be included in all copies or substantial + portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + **********************************************************************/ + /* + * Authors: + * Keith Whitwell <[email protected]> + */ + +#include "util/u_memory.h" +#include "util/u_simple_list.h" +#include "util/u_format.h" + +#include "brw_screen.h" +#include "brw_defines.h" +#include "brw_structs.h" +#include "brw_winsys.h" +#include "brw_batchbuffer.h" +#include "brw_context.h" +#include "brw_resource.h" + + +/** + * Subclass of pipe_transfer + */ +struct brw_transfer +{ + struct pipe_transfer base; + + unsigned offset; +}; + +static INLINE struct brw_transfer * +brw_transfer(struct pipe_transfer *transfer) +{ + return (struct brw_transfer *)transfer; +} + + +static GLuint translate_tex_target( unsigned target ) +{ + switch (target) { + case PIPE_TEXTURE_1D: + return BRW_SURFACE_1D; + + case PIPE_TEXTURE_2D: + return BRW_SURFACE_2D; + + case PIPE_TEXTURE_3D: + return BRW_SURFACE_3D; + + case PIPE_TEXTURE_CUBE: + return BRW_SURFACE_CUBE; + + default: + assert(0); + return BRW_SURFACE_1D; + } +} + + +static GLuint translate_tex_format( enum pipe_format pf ) +{ + switch( pf ) { + case PIPE_FORMAT_L8_UNORM: + return BRW_SURFACEFORMAT_L8_UNORM; + + case PIPE_FORMAT_I8_UNORM: + return BRW_SURFACEFORMAT_I8_UNORM; + + case PIPE_FORMAT_A8_UNORM: + return BRW_SURFACEFORMAT_A8_UNORM; + + case PIPE_FORMAT_L16_UNORM: + return BRW_SURFACEFORMAT_L16_UNORM; + + /* XXX: Add these to gallium + case PIPE_FORMAT_I16_UNORM: + return BRW_SURFACEFORMAT_I16_UNORM; + + case PIPE_FORMAT_A16_UNORM: + return BRW_SURFACEFORMAT_A16_UNORM; + */ + + case PIPE_FORMAT_L8A8_UNORM: + return BRW_SURFACEFORMAT_L8A8_UNORM; + + case PIPE_FORMAT_B5G6R5_UNORM: + return BRW_SURFACEFORMAT_B5G6R5_UNORM; + + case PIPE_FORMAT_B5G5R5A1_UNORM: + return BRW_SURFACEFORMAT_B5G5R5A1_UNORM; + + case PIPE_FORMAT_B4G4R4A4_UNORM: + return BRW_SURFACEFORMAT_B4G4R4A4_UNORM; + + case PIPE_FORMAT_B8G8R8X8_UNORM: + return BRW_SURFACEFORMAT_R8G8B8X8_UNORM; + + case PIPE_FORMAT_B8G8R8A8_UNORM: + return BRW_SURFACEFORMAT_B8G8R8A8_UNORM; + + /* + * Video formats + */ + + case PIPE_FORMAT_YUYV: + return BRW_SURFACEFORMAT_YCRCB_NORMAL; + + case PIPE_FORMAT_UYVY: + return BRW_SURFACEFORMAT_YCRCB_SWAPUVY; + + /* + * Compressed formats. + */ + /* XXX: Add FXT to gallium? + case PIPE_FORMAT_FXT1_RGBA: + return BRW_SURFACEFORMAT_FXT1; + */ + + case PIPE_FORMAT_DXT1_RGB: + return BRW_SURFACEFORMAT_DXT1_RGB; + + case PIPE_FORMAT_DXT1_RGBA: + return BRW_SURFACEFORMAT_BC1_UNORM; + + case PIPE_FORMAT_DXT3_RGBA: + return BRW_SURFACEFORMAT_BC2_UNORM; + + case PIPE_FORMAT_DXT5_RGBA: + return BRW_SURFACEFORMAT_BC3_UNORM; + + /* + * sRGB formats + */ + + case PIPE_FORMAT_A8B8G8R8_SRGB: + return BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB; + + case PIPE_FORMAT_L8A8_SRGB: + return BRW_SURFACEFORMAT_L8A8_UNORM_SRGB; + + case PIPE_FORMAT_L8_SRGB: + return BRW_SURFACEFORMAT_L8_UNORM_SRGB; + + case PIPE_FORMAT_DXT1_SRGB: + return BRW_SURFACEFORMAT_BC1_UNORM_SRGB; + + /* + * Depth formats + */ + + case PIPE_FORMAT_Z16_UNORM: + return BRW_SURFACEFORMAT_I16_UNORM; + + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + return BRW_SURFACEFORMAT_I24X8_UNORM; + + case PIPE_FORMAT_Z32_FLOAT: + return BRW_SURFACEFORMAT_I32_FLOAT; + + /* XXX: presumably for bump mapping. Add this to mesa state + * tracker? + * + * XXX: Add flipped versions of these formats to Gallium. + */ + case PIPE_FORMAT_R8G8_SNORM: + return BRW_SURFACEFORMAT_R8G8_SNORM; + + case PIPE_FORMAT_R8G8B8A8_SNORM: + return BRW_SURFACEFORMAT_R8G8B8A8_SNORM; + + default: + return BRW_SURFACEFORMAT_INVALID; + } +} + + +static boolean +brw_texture_get_handle(struct pipe_screen *screen, + struct pipe_resource *texture, + struct winsys_handle *whandle) +{ + struct brw_screen *bscreen = brw_screen(screen); + struct brw_texture *tex = brw_texture(texture); + unsigned stride; + + stride = tex->pitch * tex->cpp; + + return bscreen->sws->bo_get_handle(tex->bo, whandle, stride); +} + + + +static void brw_texture_destroy(struct pipe_screen *screen, + struct pipe_resource *pt) +{ + struct brw_texture *tex = brw_texture(pt); + bo_reference(&tex->bo, NULL); + FREE(pt); +} + + + + +static unsigned brw_texture_is_referenced( struct pipe_context *pipe, + struct pipe_resource *texture, + unsigned face, + unsigned level ) +{ + struct brw_context *brw = brw_context(pipe); + struct brw_screen *bscreen = brw_screen(pipe->screen); + struct brw_winsys_buffer *batch_bo = brw->batch->buf; + struct brw_texture *tex = brw_texture(texture); + struct brw_surface *surf; + int i; + + /* XXX: this is subject to false positives if the underlying + * texture BO is referenced, we can't tell whether the sub-region + * we care about participates in that. + */ + if (bscreen->sws->bo_references( batch_bo, tex->bo )) + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; + + /* Find any view on this texture for this face/level and see if it + * is referenced: + */ + for (i = 0; i < 2; i++) { + foreach (surf, &tex->views[i]) { + if (surf->bo == tex->bo) + continue; + + if (surf->id.bits.face != face || + surf->id.bits.level != level) + continue; + + if (bscreen->sws->bo_references( batch_bo, surf->bo)) + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; + } + } + + return PIPE_UNREFERENCED; +} + + +/* + * Transfer functions + */ + + +static struct pipe_transfer * +brw_texture_get_transfer(struct pipe_context *context, + struct pipe_resource *resource, + struct pipe_subresource sr, + unsigned usage, + const struct pipe_box *box) +{ + struct brw_texture *tex = brw_texture(resource); + struct pipe_transfer *transfer = CALLOC_STRUCT(pipe_transfer); + if (transfer == NULL) + return NULL; + + transfer->resource = resource; + transfer->sr = sr; + transfer->usage = usage; + transfer->box = *box; + transfer->stride = tex->pitch * tex->cpp; + + return transfer; +} + + +static void * +brw_texture_transfer_map(struct pipe_context *pipe, + struct pipe_transfer *transfer) +{ + struct pipe_resource *resource = transfer->resource; + struct brw_texture *tex = brw_texture(transfer->resource); + struct brw_winsys_screen *sws = brw_screen(pipe->screen)->sws; + struct pipe_subresource sr = transfer->sr; + struct pipe_box *box = &transfer->box; + enum pipe_format format = resource->format; + unsigned usage = transfer->usage; + unsigned offset; + char *map; + + if (resource->target == PIPE_TEXTURE_CUBE) { + offset = tex->image_offset[sr.level][sr.face]; + } + else if (resource->target == PIPE_TEXTURE_3D) { + offset = tex->image_offset[sr.level][box->z]; + } + else { + offset = tex->image_offset[sr.level][0]; + assert(sr.face == 0); + assert(box->z == 0); + } + + map = sws->bo_map(tex->bo, + BRW_DATA_OTHER, + 0, + tex->bo->size, + (usage & PIPE_TRANSFER_WRITE) ? TRUE : FALSE, + (usage & 0) ? TRUE : FALSE, + (usage & 0) ? TRUE : FALSE); + + if (!map) + return NULL; + + return map + offset + + box->y / util_format_get_blockheight(format) * transfer->stride + + box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format); +} + +static void +brw_texture_transfer_unmap(struct pipe_context *pipe, + struct pipe_transfer *transfer) +{ + struct brw_texture *tex = brw_texture(transfer->resource); + struct brw_winsys_screen *sws = brw_screen(pipe->screen)->sws; + + sws->bo_unmap(tex->bo); +} + + + + + +struct u_resource_vtbl brw_texture_vtbl = +{ + brw_texture_get_handle, /* get_handle */ + brw_texture_destroy, /* resource_destroy */ + brw_texture_is_referenced, /* is_resource_referenced */ + brw_texture_get_transfer, /* get_transfer */ + u_default_transfer_destroy, /* transfer_destroy */ + brw_texture_transfer_map, /* transfer_map */ + u_default_transfer_flush_region, /* transfer_flush_region */ + brw_texture_transfer_unmap, /* transfer_unmap */ + u_default_transfer_inline_write /* transfer_inline_write */ +}; + + + + + +struct pipe_resource * +brw_texture_create( struct pipe_screen *screen, + const struct pipe_resource *template ) +{ + struct brw_screen *bscreen = brw_screen(screen); + struct brw_texture *tex; + enum brw_buffer_type buffer_type; + enum pipe_error ret; + GLuint format; + + tex = CALLOC_STRUCT(brw_texture); + if (tex == NULL) + return NULL; + + tex->b.b = *template; + tex->b.vtbl = &brw_texture_vtbl; + pipe_reference_init(&tex->b.b.reference, 1); + tex->b.b.screen = screen; + + /* XXX: compressed textures need special treatment here + */ + tex->cpp = util_format_get_blocksize(tex->b.b.format); + tex->compressed = util_format_is_s3tc(tex->b.b.format); + + make_empty_list(&tex->views[0]); + make_empty_list(&tex->views[1]); + + /* XXX: No tiling with compressed textures?? + */ + if (tex->compressed == 0 && + !bscreen->no_tiling) + { + if (bscreen->chipset.is_965 && + util_format_is_depth_or_stencil(template->format)) + tex->tiling = BRW_TILING_Y; + else + tex->tiling = BRW_TILING_X; + } + else { + tex->tiling = BRW_TILING_NONE; + } + + + if (!brw_texture_layout( bscreen, tex )) + goto fail; + + + if (template->bind & (PIPE_BIND_SCANOUT | + PIPE_BIND_SHARED)) { + buffer_type = BRW_BUFFER_TYPE_SCANOUT; + } + else { + buffer_type = BRW_BUFFER_TYPE_TEXTURE; + } + + ret = bscreen->sws->bo_alloc( bscreen->sws, + buffer_type, + tex->pitch * tex->total_height * tex->cpp, + 64, + &tex->bo ); + if (ret) + goto fail; + + tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; + tex->ss.ss0.surface_type = translate_tex_target(tex->b.b.target); + + format = translate_tex_format(tex->b.b.format); + assert(format != BRW_SURFACEFORMAT_INVALID); + tex->ss.ss0.surface_format = format; + + /* 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->b.b.last_level; + tex->ss.ss2.width = tex->b.b.width0 - 1; + tex->ss.ss2.height = tex->b.b.height0 - 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->b.b.depth0 - 1; + + tex->ss.ss4.min_lod = 0; + + if (tex->b.b.target == PIPE_TEXTURE_CUBE) { + tex->ss.ss0.cube_pos_x = 1; + tex->ss.ss0.cube_pos_y = 1; + tex->ss.ss0.cube_pos_z = 1; + tex->ss.ss0.cube_neg_x = 1; + tex->ss.ss0.cube_neg_y = 1; + tex->ss.ss0.cube_neg_z = 1; + } + + return &tex->b.b; + +fail: + bo_reference(&tex->bo, NULL); + FREE(tex); + return NULL; +} + + +struct pipe_resource * +brw_texture_from_handle(struct pipe_screen *screen, + const struct pipe_resource *template, + struct winsys_handle *whandle) +{ + struct brw_screen *bscreen = brw_screen(screen); + struct brw_texture *tex; + struct brw_winsys_buffer *buffer; + unsigned tiling; + unsigned pitch; + GLuint format; + + if (template->target != PIPE_TEXTURE_2D || + template->last_level != 0 || + template->depth0 != 1) + return NULL; + + if (util_format_is_s3tc(template->format)) + return NULL; + + tex = CALLOC_STRUCT(brw_texture); + if (!tex) + return NULL; + + if (bscreen->sws->bo_from_handle(bscreen->sws, whandle, &pitch, &tiling, &buffer) != PIPE_OK) + goto fail; + + tex->b.b = *template; + tex->b.vtbl = &brw_texture_vtbl; + pipe_reference_init(&tex->b.b.reference, 1); + tex->b.b.screen = screen; + + /* XXX: cpp vs. blocksize + */ + tex->cpp = util_format_get_blocksize(tex->b.b.format); + tex->tiling = tiling; + + make_empty_list(&tex->views[0]); + make_empty_list(&tex->views[1]); + + if (!brw_texture_layout(bscreen, tex)) + goto fail; + + /* XXX Maybe some more checks? */ + if ((pitch / tex->cpp) < tex->pitch) + goto fail; + + tex->pitch = pitch / tex->cpp; + + tex->bo = buffer; + + /* fix this warning */ +#if 0 + if (tex->size > buffer->size) + goto fail; +#endif + + tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW; + tex->ss.ss0.surface_type = translate_tex_target(tex->b.b.target); + + format = translate_tex_format(tex->b.b.format); + assert(format != BRW_SURFACEFORMAT_INVALID); + tex->ss.ss0.surface_format = format; + + /* 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->b.b.last_level; + tex->ss.ss2.width = tex->b.b.width0 - 1; + tex->ss.ss2.height = tex->b.b.height0 - 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->b.b.depth0 - 1; + + tex->ss.ss4.min_lod = 0; + + return &tex->b.b; + +fail: + FREE(tex); + return NULL; +} + + +#if 0 +boolean brw_is_format_supported( struct pipe_screen *screen, + enum pipe_format format, + enum pipe_texture_target target, + unsigned tex_usage, + unsigned geom_flags ) +{ + return translate_tex_format(format) != BRW_SURFACEFORMAT_INVALID; +} +#endif |