X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_gen_mipmap.c;h=b3700406df0a820d665305d609ac3ca98ffeb647;hb=09d9638dd04ae7d34d331cb7af0bc5888f48806f;hp=2d587df6055a1c37414567b187551e8f41f43d43;hpb=695cc370a280a637f411f5ff3877b3fd1c05e424;p=mesa.git diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c index 2d587df6055..b3700406df0 100644 --- a/src/mesa/state_tracker/st_gen_mipmap.c +++ b/src/mesa/state_tracker/st_gen_mipmap.c @@ -1,6 +1,6 @@ /************************************************************************** * - * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * Copyright 2008 VMware, Inc. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -18,7 +18,7 @@ * 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * IN NO EVENT SHALL VMWARE 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. @@ -29,7 +29,6 @@ #include "main/imports.h" #include "main/mipmap.h" #include "main/teximage.h" -#include "main/texformat.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" @@ -44,231 +43,6 @@ #include "st_cb_texture.h" -/** - * one-time init for generate mipmap - * XXX Note: there may be other times we need no-op/simple state like this. - * In that case, some code refactoring would be good. - */ -void -st_init_generate_mipmap(struct st_context *st) -{ - st->gen_mipmap = util_create_gen_mipmap(st->pipe, st->cso_context); -} - - -void -st_destroy_generate_mipmap(struct st_context *st) -{ - util_destroy_gen_mipmap(st->gen_mipmap); - st->gen_mipmap = NULL; -} - - -/** - * Generate mipmap levels using hardware rendering. - * \return TRUE if successful, FALSE if not possible - */ -static boolean -st_render_mipmap(struct st_context *st, - GLenum target, - struct st_texture_object *stObj, - uint baseLevel, uint lastLevel) -{ - struct pipe_context *pipe = st->pipe; - struct pipe_screen *screen = pipe->screen; - struct pipe_sampler_view *psv = st_get_texture_sampler_view(stObj, pipe); - const uint face = _mesa_tex_target_to_face(target); - - assert(psv->texture == stObj->pt); - assert(target != GL_TEXTURE_3D); /* not done yet */ - - /* check if we can render in the texture's format */ - if (!screen->is_format_supported(screen, psv->format, psv->texture->target, 0, - PIPE_BIND_RENDER_TARGET, 0)) { - return FALSE; - } - - util_gen_mipmap(st->gen_mipmap, psv, face, baseLevel, lastLevel, - PIPE_TEX_FILTER_LINEAR); - - return TRUE; -} - - -/** - * Helper function to decompress an image. The result is a 32-bpp RGBA - * image with stride==width. - */ -static void -decompress_image(enum pipe_format format, - const uint8_t *src, uint8_t *dst, - unsigned width, unsigned height) -{ - const struct util_format_description *desc = util_format_description(format); - const uint bw = util_format_get_blockwidth(format); - const uint bh = util_format_get_blockheight(format); - const uint dst_stride = 4 * MAX2(width, bw); - const uint src_stride = util_format_get_stride(format, width); - - desc->unpack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); - - if (width < bw || height < bh) { - /* We're decompressing an image smaller than the compression - * block size. We don't want garbage pixel values in the region - * outside (width x height) so replicate pixels from the (width - * x height) region to fill out the (bw x bh) block size. - */ - uint x, y; - for (y = 0; y < bh; y++) { - for (x = 0; x < bw; x++) { - if (x >= width || y >= height) { - uint p = (y * bw + x) * 4; - dst[p + 0] = dst[0]; - dst[p + 1] = dst[1]; - dst[p + 2] = dst[2]; - dst[p + 3] = dst[3]; - } - } - } - } -} - - -/** - * Helper function to compress an image. The source is a 32-bpp RGBA image - * with stride==width. - */ -static void -compress_image(enum pipe_format format, - const uint8_t *src, uint8_t *dst, - unsigned width, unsigned height) -{ - const struct util_format_description *desc = util_format_description(format); - const uint dst_stride = util_format_get_stride(format, width); - const uint src_stride = 4 * width; - - desc->pack_rgba_8unorm(dst, dst_stride, src, src_stride, width, height); -} - - -/** - * Software fallback for generate mipmap levels. - */ -static void -fallback_generate_mipmap(GLcontext *ctx, GLenum target, - struct gl_texture_object *texObj) -{ - struct pipe_context *pipe = st_context(ctx)->pipe; - struct pipe_resource *pt = st_get_texobj_resource(texObj); - const uint baseLevel = texObj->BaseLevel; - const uint lastLevel = pt->last_level; - const uint face = _mesa_tex_target_to_face(target), zslice = 0; - uint dstLevel; - GLenum datatype; - GLuint comps; - GLboolean compressed; - - if (ST_DEBUG & DEBUG_FALLBACK) - debug_printf("%s: fallback processing\n", __FUNCTION__); - - assert(target != GL_TEXTURE_3D); /* not done yet */ - - compressed = - _mesa_is_format_compressed(texObj->Image[face][baseLevel]->TexFormat); - - if (compressed) { - datatype = GL_UNSIGNED_BYTE; - comps = 4; - } - else { - _mesa_format_to_type_and_comps(texObj->Image[face][baseLevel]->TexFormat, - &datatype, &comps); - assert(comps > 0 && "bad texture format in fallback_generate_mipmap()"); - } - - for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) { - const uint srcLevel = dstLevel - 1; - const uint srcWidth = u_minify(pt->width0, srcLevel); - const uint srcHeight = u_minify(pt->height0, srcLevel); - const uint srcDepth = u_minify(pt->depth0, srcLevel); - const uint dstWidth = u_minify(pt->width0, dstLevel); - const uint dstHeight = u_minify(pt->height0, dstLevel); - const uint dstDepth = u_minify(pt->depth0, dstLevel); - struct pipe_transfer *srcTrans, *dstTrans; - const ubyte *srcData; - ubyte *dstData; - int srcStride, dstStride; - - srcTrans = pipe_get_transfer(st_context(ctx)->pipe, pt, face, - srcLevel, zslice, - PIPE_TRANSFER_READ, 0, 0, - srcWidth, srcHeight); - - - dstTrans = pipe_get_transfer(st_context(ctx)->pipe, pt, face, - dstLevel, zslice, - PIPE_TRANSFER_WRITE, 0, 0, - dstWidth, dstHeight); - - srcData = (ubyte *) pipe_transfer_map(pipe, srcTrans); - dstData = (ubyte *) pipe_transfer_map(pipe, dstTrans); - - srcStride = srcTrans->stride / util_format_get_blocksize(srcTrans->resource->format); - dstStride = dstTrans->stride / util_format_get_blocksize(dstTrans->resource->format); - - if (compressed) { - const enum pipe_format format = pt->format; - const uint bw = util_format_get_blockwidth(format); - const uint bh = util_format_get_blockheight(format); - const uint srcWidth2 = align(srcWidth, bw); - const uint srcHeight2 = align(srcHeight, bh); - const uint dstWidth2 = align(dstWidth, bw); - const uint dstHeight2 = align(dstHeight, bh); - uint8_t *srcTemp, *dstTemp; - - assert(comps == 4); - - srcTemp = malloc(srcWidth2 * srcHeight2 * comps + 000); - dstTemp = malloc(dstWidth2 * dstHeight2 * comps + 000); - - /* decompress the src image: srcData -> srcTemp */ - decompress_image(format, srcData, srcTemp, srcWidth, srcHeight); - - _mesa_generate_mipmap_level(target, datatype, comps, - 0 /*border*/, - srcWidth2, srcHeight2, srcDepth, - srcTemp, - srcWidth2, /* stride in texels */ - dstWidth2, dstHeight2, dstDepth, - dstTemp, - dstWidth2); /* stride in texels */ - - /* compress the new image: dstTemp -> dstData */ - compress_image(format, dstTemp, dstData, dstWidth, dstHeight); - - free(srcTemp); - free(dstTemp); - } - else { - _mesa_generate_mipmap_level(target, datatype, comps, - 0 /*border*/, - srcWidth, srcHeight, srcDepth, - srcData, - srcStride, /* stride in texels */ - dstWidth, dstHeight, dstDepth, - dstData, - dstStride); /* stride in texels */ - } - - pipe_transfer_unmap(pipe, srcTrans); - pipe_transfer_unmap(pipe, dstTrans); - - pipe->transfer_destroy(pipe, srcTrans); - pipe->transfer_destroy(pipe, dstTrans); - } -} - - /** * Compute the expected number of mipmap levels in the texture given * the width/height/depth of the base image and the GL_TEXTURE_BASE_LEVEL/ @@ -276,34 +50,22 @@ fallback_generate_mipmap(GLcontext *ctx, GLenum target, * levels should be generated. */ static GLuint -compute_num_levels(GLcontext *ctx, +compute_num_levels(struct gl_context *ctx, struct gl_texture_object *texObj, GLenum target) { - if (target == GL_TEXTURE_RECTANGLE_ARB) { - return 1; - } - else { - const struct gl_texture_image *baseImage = - _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel); - GLuint size, numLevels; + const struct gl_texture_image *baseImage; + GLuint numLevels; - size = MAX2(baseImage->Width2, baseImage->Height2); - size = MAX2(size, baseImage->Depth2); + baseImage = _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel); - numLevels = texObj->BaseLevel; + numLevels = texObj->BaseLevel + baseImage->MaxNumLevels; + numLevels = MIN2(numLevels, (GLuint) texObj->MaxLevel + 1); + if (texObj->Immutable) + numLevels = MIN2(numLevels, texObj->NumLevels); + assert(numLevels >= 1); - while (size > 0) { - numLevels++; - size >>= 1; - } - - numLevels = MIN2(numLevels, texObj->MaxLevel + 1); - - assert(numLevels >= 1); - - return numLevels; - } + return numLevels; } @@ -311,14 +73,14 @@ compute_num_levels(GLcontext *ctx, * Called via ctx->Driver.GenerateMipmap(). */ void -st_generate_mipmap(GLcontext *ctx, GLenum target, +st_generate_mipmap(struct gl_context *ctx, GLenum target, struct gl_texture_object *texObj) { struct st_context *st = st_context(ctx); struct st_texture_object *stObj = st_texture_object(texObj); struct pipe_resource *pt = st_get_texobj_resource(texObj); const uint baseLevel = texObj->BaseLevel; - uint lastLevel; + uint lastLevel, first_layer, last_layer; uint dstLevel; if (!pt) @@ -334,46 +96,65 @@ st_generate_mipmap(GLcontext *ctx, GLenum target, if (lastLevel == 0) return; - if (pt->last_level < lastLevel) { - /* The current gallium texture doesn't have space for all the - * mipmap levels we need to generate. So allocate a new texture. - */ - struct pipe_resource *oldTex = stObj->pt; - - /* create new texture with space for more levels */ - stObj->pt = st_texture_create(st, - oldTex->target, - oldTex->format, - lastLevel, - oldTex->width0, - oldTex->height0, - oldTex->depth0, - oldTex->bind); - - /* The texture isn't in a "complete" state yet so set the expected - * lastLevel here, since it won't get done in st_finalize_texture(). - */ - stObj->lastLevel = lastLevel; + /* The texture isn't in a "complete" state yet so set the expected + * lastLevel here, since it won't get done in st_finalize_texture(). + */ + stObj->lastLevel = lastLevel; + + if (!texObj->Immutable) { + if (pt->last_level < lastLevel) { + /* The current gallium texture doesn't have space for all the + * mipmap levels we need to generate. So allocate a new texture. + */ + struct pipe_resource *oldTex = stObj->pt; + + /* create new texture with space for more levels */ + stObj->pt = st_texture_create(st, + oldTex->target, + oldTex->format, + lastLevel, + oldTex->width0, + oldTex->height0, + oldTex->depth0, + oldTex->array_size, + 0, + oldTex->bind); + + /* This will copy the old texture's base image into the new texture + * which we just allocated. + */ + st_finalize_texture(ctx, st->pipe, texObj); + + /* release the old tex (will likely be freed too) */ + pipe_resource_reference(&oldTex, NULL); + st_texture_release_all_sampler_views(st, stObj); + } + else { + /* Make sure that the base texture image data is present in the + * texture buffer. + */ + st_finalize_texture(ctx, st->pipe, texObj); + } + } - /* This will copy the old texture's base image into the new texture - * which we just allocated. - */ - st_finalize_texture(ctx, st->pipe, texObj); + pt = stObj->pt; - /* release the old tex (will likely be freed too) */ - pipe_resource_reference(&oldTex, NULL); - pipe_sampler_view_reference(&stObj->sampler_view, NULL); + assert(pt->last_level >= lastLevel); - pt = stObj->pt; + if (pt->target == PIPE_TEXTURE_CUBE) { + first_layer = last_layer = _mesa_tex_target_to_face(target); + } + else { + first_layer = 0; + last_layer = util_max_layer(pt, baseLevel); } - - assert(pt->last_level >= lastLevel); /* Try to generate the mipmap by rendering/texturing. If that fails, * use the software fallback. */ - if (!st_render_mipmap(st, target, stObj, baseLevel, lastLevel)) { - fallback_generate_mipmap(ctx, target, texObj); + if (!util_gen_mipmap(st->pipe, pt, pt->format, baseLevel, lastLevel, + first_layer, last_layer, PIPE_TEX_FILTER_LINEAR)) { + _mesa_generate_mipmap(ctx, target, texObj); } /* Fill in the Mesa gl_texture_image fields */ @@ -383,10 +164,23 @@ st_generate_mipmap(GLcontext *ctx, GLenum target, = _mesa_get_tex_image(ctx, texObj, target, srcLevel); struct gl_texture_image *dstImage; struct st_texture_image *stImage; - uint dstWidth = u_minify(pt->width0, dstLevel); - uint dstHeight = u_minify(pt->height0, dstLevel); - uint dstDepth = u_minify(pt->depth0, dstLevel); uint border = srcImage->Border; + uint dstWidth, dstHeight, dstDepth; + + dstWidth = u_minify(pt->width0, dstLevel); + if (texObj->Target == GL_TEXTURE_1D_ARRAY) { + dstHeight = pt->array_size; + } + else { + dstHeight = u_minify(pt->height0, dstLevel); + } + if (texObj->Target == GL_TEXTURE_2D_ARRAY || + texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) { + dstDepth = pt->array_size; + } + else { + dstDepth = u_minify(pt->depth0, dstLevel); + } dstImage = _mesa_get_tex_image(ctx, texObj, target, dstLevel); if (!dstImage) { @@ -395,17 +189,14 @@ st_generate_mipmap(GLcontext *ctx, GLenum target, } /* Free old image data */ - if (dstImage->Data) - ctx->Driver.FreeTexImageData(ctx, dstImage); + ctx->Driver.FreeTextureImageBuffer(ctx, dstImage); /* initialize new image */ - _mesa_init_teximage_fields(ctx, target, dstImage, dstWidth, dstHeight, - dstDepth, border, srcImage->InternalFormat); - - dstImage->TexFormat = srcImage->TexFormat; + _mesa_init_teximage_fields(ctx, dstImage, dstWidth, dstHeight, + dstDepth, border, srcImage->InternalFormat, + srcImage->TexFormat); stImage = st_texture_image(dstImage); - stImage->level = dstLevel; pipe_resource_reference(&stImage->pt, pt); }