| #include "main/mtypes.h" |
| #include "main/macros.h" |
| #include "main/samplerobj.h" |
| #include "main/texobj.h" |
| |
| #include "intel_context.h" |
| #include "intel_mipmap_tree.h" |
| #include "intel_blit.h" |
| #include "intel_tex.h" |
| #include "intel_tex_layout.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_TEXTURE |
| |
| /** |
| * When validating, we only care about the texture images that could |
| * be seen, so for non-mipmapped modes we want to ignore everything |
| * but BaseLevel. |
| */ |
| static void |
| intel_update_max_level(struct intel_texture_object *intelObj, |
| struct gl_sampler_object *sampler) |
| { |
| struct gl_texture_object *tObj = &intelObj->base; |
| |
| if (sampler->MinFilter == GL_NEAREST || |
| sampler->MinFilter == GL_LINEAR) { |
| intelObj->_MaxLevel = tObj->BaseLevel; |
| } else { |
| intelObj->_MaxLevel = tObj->_MaxLevel; |
| } |
| } |
| |
| /* |
| */ |
| GLuint |
| intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit) |
| { |
| struct gl_context *ctx = &intel->ctx; |
| struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current; |
| struct intel_texture_object *intelObj = intel_texture_object(tObj); |
| struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit); |
| GLuint face, i; |
| GLuint nr_faces = 0; |
| struct intel_texture_image *firstImage; |
| int width, height, depth; |
| |
| /* TBOs require no validation -- they always just point to their BO. */ |
| if (tObj->Target == GL_TEXTURE_BUFFER) |
| return true; |
| |
| /* We know/require this is true by now: |
| */ |
| assert(intelObj->base._BaseComplete); |
| |
| /* What levels must the tree include at a minimum? |
| */ |
| intel_update_max_level(intelObj, sampler); |
| firstImage = intel_texture_image(tObj->Image[0][tObj->BaseLevel]); |
| |
| /* Check tree can hold all active levels. Check tree matches |
| * target, imageFormat, etc. |
| * |
| * For pre-gen4, we have to match first_level == tObj->BaseLevel, |
| * because we don't have the control that gen4 does to make min/mag |
| * determination happen at a nonzero (hardware) baselevel. Because |
| * of that, we just always relayout on baselevel change. |
| */ |
| if (intelObj->mt && |
| (!intel_miptree_match_image(intelObj->mt, &firstImage->base.Base) || |
| intelObj->mt->first_level != tObj->BaseLevel || |
| intelObj->mt->last_level < intelObj->_MaxLevel)) { |
| intel_miptree_release(&intelObj->mt); |
| } |
| |
| |
| /* May need to create a new tree: |
| */ |
| if (!intelObj->mt) { |
| intel_miptree_get_dimensions_for_image(&firstImage->base.Base, |
| &width, &height, &depth); |
| |
| intelObj->mt = intel_miptree_create(intel, |
| intelObj->base.Target, |
| firstImage->base.Base.TexFormat, |
| tObj->BaseLevel, |
| intelObj->_MaxLevel, |
| width, |
| height, |
| depth, |
| true, |
| 0 /* num_samples */, |
| INTEL_MSAA_LAYOUT_NONE); |
| if (!intelObj->mt) |
| return false; |
| } |
| |
| /* Pull in any images not in the object's tree: |
| */ |
| nr_faces = _mesa_num_tex_faces(intelObj->base.Target); |
| for (face = 0; face < nr_faces; face++) { |
| for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) { |
| struct intel_texture_image *intelImage = |
| intel_texture_image(intelObj->base.Image[face][i]); |
| /* skip too small size mipmap */ |
| if (intelImage == NULL) |
| break; |
| |
| if (intelObj->mt != intelImage->mt) { |
| intel_miptree_copy_teximage(intel, intelImage, intelObj->mt); |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT |
| */ |
| static void |
| intel_tex_map_image_for_swrast(struct intel_context *intel, |
| struct intel_texture_image *intel_image, |
| GLbitfield mode) |
| { |
| int level; |
| int face; |
| struct intel_mipmap_tree *mt; |
| unsigned int x, y; |
| |
| if (!intel_image || !intel_image->mt) |
| return; |
| |
| level = intel_image->base.Base.Level; |
| face = intel_image->base.Base.Face; |
| mt = intel_image->mt; |
| |
| for (int i = 0; i < mt->level[level].depth; i++) |
| intel_miptree_slice_resolve_depth(intel, mt, level, i); |
| |
| if (mt->target == GL_TEXTURE_3D || |
| mt->target == GL_TEXTURE_2D_ARRAY || |
| mt->target == GL_TEXTURE_1D_ARRAY) { |
| int i; |
| |
| /* ImageOffsets[] is only used for swrast's fetch_texel_3d, so we can't |
| * share code with the normal path. |
| */ |
| for (i = 0; i < mt->level[level].depth; i++) { |
| intel_miptree_get_image_offset(mt, level, face, i, &x, &y); |
| intel_image->base.ImageOffsets[i] = x + y * mt->region->pitch; |
| } |
| |
| DBG("%s \n", __FUNCTION__); |
| |
| intel_image->base.Map = intel_region_map(intel, mt->region, mode); |
| } else { |
| assert(intel_image->base.Base.Depth == 1); |
| intel_miptree_get_image_offset(mt, level, face, 0, &x, &y); |
| |
| DBG("%s: (%d,%d) -> (%d, %d)/%d\n", |
| __FUNCTION__, face, level, x, y, mt->region->pitch * mt->cpp); |
| |
| intel_image->base.Map = intel_region_map(intel, mt->region, mode) + |
| (x + y * mt->region->pitch) * mt->cpp; |
| } |
| |
| intel_image->base.RowStride = mt->region->pitch; |
| } |
| |
| static void |
| intel_tex_unmap_image_for_swrast(struct intel_context *intel, |
| struct intel_texture_image *intel_image) |
| { |
| if (intel_image && intel_image->mt) { |
| intel_region_unmap(intel, intel_image->mt->region); |
| intel_image->base.Map = NULL; |
| } |
| } |
| |
| /** |
| * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT |
| */ |
| void |
| intel_tex_map_images(struct intel_context *intel, |
| struct intel_texture_object *intelObj, |
| GLbitfield mode) |
| { |
| GLuint nr_faces = _mesa_num_tex_faces(intelObj->base.Target); |
| int i, face; |
| |
| DBG("%s\n", __FUNCTION__); |
| |
| for (i = intelObj->base.BaseLevel; i <= intelObj->_MaxLevel; i++) { |
| for (face = 0; face < nr_faces; face++) { |
| struct intel_texture_image *intel_image = |
| intel_texture_image(intelObj->base.Image[face][i]); |
| |
| intel_tex_map_image_for_swrast(intel, intel_image, mode); |
| } |
| } |
| } |
| |
| void |
| intel_tex_unmap_images(struct intel_context *intel, |
| struct intel_texture_object *intelObj) |
| { |
| GLuint nr_faces = _mesa_num_tex_faces(intelObj->base.Target); |
| int i, face; |
| |
| for (i = intelObj->base.BaseLevel; i <= intelObj->_MaxLevel; i++) { |
| for (face = 0; face < nr_faces; face++) { |
| struct intel_texture_image *intel_image = |
| intel_texture_image(intelObj->base.Image[face][i]); |
| |
| intel_tex_unmap_image_for_swrast(intel, intel_image); |
| } |
| } |
| } |