intel_tex_validate.c revision 6dcc398ac0837025cf60b4d6a056fa3b0a16466f
1#include "main/mtypes.h" 2#include "main/macros.h" 3#include "main/samplerobj.h" 4 5#include "intel_context.h" 6#include "intel_mipmap_tree.h" 7#include "intel_tex.h" 8 9#define FILE_DEBUG_FLAG DEBUG_TEXTURE 10 11/** 12 * When validating, we only care about the texture images that could 13 * be seen, so for non-mipmapped modes we want to ignore everything 14 * but BaseLevel. 15 */ 16static void 17intel_update_max_level(struct intel_context *intel, 18 struct intel_texture_object *intelObj, 19 struct gl_sampler_object *sampler) 20{ 21 struct gl_texture_object *tObj = &intelObj->base; 22 23 if (sampler->MinFilter == GL_NEAREST || 24 sampler->MinFilter == GL_LINEAR) { 25 intelObj->_MaxLevel = tObj->BaseLevel; 26 } else { 27 intelObj->_MaxLevel = tObj->_MaxLevel; 28 } 29} 30 31/** 32 * Copies the image's contents at its level into the object's miptree, 33 * and updates the image to point at the object's miptree. 34 */ 35static void 36copy_image_data_to_tree(struct intel_context *intel, 37 struct intel_texture_object *intelObj, 38 struct intel_texture_image *intelImage) 39{ 40 if (intelImage->mt) { 41 /* Copy potentially with the blitter: 42 */ 43 intel_miptree_image_copy(intel, 44 intelObj->mt, 45 intelImage->face, 46 intelImage->level, intelImage->mt); 47 48 intel_miptree_release(intel, &intelImage->mt); 49 } 50 else { 51 assert(intelImage->base.Data != NULL); 52 53 /* More straightforward upload. 54 */ 55 intel_miptree_image_data(intel, 56 intelObj->mt, 57 intelImage->face, 58 intelImage->level, 59 intelImage->base.Data, 60 intelImage->base.RowStride, 61 intelImage->base.RowStride * 62 intelImage->base.Height); 63 _mesa_align_free(intelImage->base.Data); 64 intelImage->base.Data = NULL; 65 } 66 67 intel_miptree_reference(&intelImage->mt, intelObj->mt); 68} 69 70 71/* 72 */ 73GLuint 74intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit) 75{ 76 struct gl_context *ctx = &intel->ctx; 77 struct gl_texture_object *tObj = intel->ctx.Texture.Unit[unit]._Current; 78 struct intel_texture_object *intelObj = intel_texture_object(tObj); 79 struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit); 80 int cpp; 81 GLuint face, i; 82 GLuint nr_faces = 0; 83 struct intel_texture_image *firstImage; 84 85 /* We know/require this is true by now: 86 */ 87 assert(intelObj->base._Complete); 88 89 /* What levels must the tree include at a minimum? 90 */ 91 intel_update_max_level(intel, intelObj, sampler); 92 firstImage = intel_texture_image(tObj->Image[0][tObj->BaseLevel]); 93 94 /* Fallback case: 95 */ 96 if (firstImage->base.Border) { 97 if (intelObj->mt) { 98 intel_miptree_release(intel, &intelObj->mt); 99 } 100 return GL_FALSE; 101 } 102 103 if (_mesa_is_format_compressed(firstImage->base.TexFormat)) { 104 cpp = intel_compressed_num_bytes(firstImage->base.TexFormat); 105 } 106 else 107 cpp = _mesa_get_format_bytes(firstImage->base.TexFormat); 108 109 /* Check tree can hold all active levels. Check tree matches 110 * target, imageFormat, etc. 111 * 112 * For pre-gen4, we have to match first_level == tObj->BaseLevel, 113 * because we don't have the control that gen4 does to make min/mag 114 * determination happen at a nonzero (hardware) baselevel. Because 115 * of that, we just always relayout on baselevel change. 116 */ 117 if (intelObj->mt && 118 (intelObj->mt->target != intelObj->base.Target || 119 intelObj->mt->format != firstImage->base.TexFormat || 120 intelObj->mt->first_level != tObj->BaseLevel || 121 intelObj->mt->last_level < intelObj->_MaxLevel || 122 intelObj->mt->width0 != firstImage->base.Width || 123 intelObj->mt->height0 != firstImage->base.Height || 124 intelObj->mt->depth0 != firstImage->base.Depth)) { 125 intel_miptree_release(intel, &intelObj->mt); 126 } 127 128 129 /* May need to create a new tree: 130 */ 131 if (!intelObj->mt) { 132 intelObj->mt = intel_miptree_create(intel, 133 intelObj->base.Target, 134 firstImage->base.TexFormat, 135 tObj->BaseLevel, 136 intelObj->_MaxLevel, 137 firstImage->base.Width, 138 firstImage->base.Height, 139 firstImage->base.Depth, 140 cpp, 141 GL_TRUE); 142 if (!intelObj->mt) 143 return GL_FALSE; 144 } 145 146 /* Pull in any images not in the object's tree: 147 */ 148 nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 149 for (face = 0; face < nr_faces; face++) { 150 for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) { 151 struct intel_texture_image *intelImage = 152 intel_texture_image(intelObj->base.Image[face][i]); 153 /* skip too small size mipmap */ 154 if (intelImage == NULL) 155 break; 156 /* Need to import images in main memory or held in other trees. 157 * If it's a render target, then its data isn't needed to be in 158 * the object tree (otherwise we'd be FBO incomplete), and we need 159 * to keep track of the image's MT as needing to be pulled in still, 160 * or we'll lose the rendering that's done to it. 161 */ 162 if (intelObj->mt != intelImage->mt && 163 !intelImage->used_as_render_target) { 164 copy_image_data_to_tree(intel, intelObj, intelImage); 165 } 166 } 167 } 168 169 return GL_TRUE; 170} 171 172void 173intel_tex_map_level_images(struct intel_context *intel, 174 struct intel_texture_object *intelObj, 175 int level) 176{ 177 GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 178 GLuint face; 179 180 for (face = 0; face < nr_faces; face++) { 181 struct intel_texture_image *intelImage = 182 intel_texture_image(intelObj->base.Image[face][level]); 183 184 if (intelImage && intelImage->mt) { 185 intelImage->base.Data = 186 intel_miptree_image_map(intel, 187 intelImage->mt, 188 intelImage->face, 189 intelImage->level, 190 &intelImage->base.RowStride, 191 intelImage->base.ImageOffsets); 192 /* convert stride to texels, not bytes */ 193 intelImage->base.RowStride /= intelImage->mt->cpp; 194 /* intelImage->base.ImageStride /= intelImage->mt->cpp; */ 195 } 196 } 197} 198 199void 200intel_tex_unmap_level_images(struct intel_context *intel, 201 struct intel_texture_object *intelObj, 202 int level) 203{ 204 GLuint nr_faces = (intelObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1; 205 GLuint face; 206 207 for (face = 0; face < nr_faces; face++) { 208 struct intel_texture_image *intelImage = 209 intel_texture_image(intelObj->base.Image[face][level]); 210 211 if (intelImage && intelImage->mt) { 212 intel_miptree_image_unmap(intel, intelImage->mt); 213 intelImage->base.Data = NULL; 214 } 215 } 216} 217 218void 219intel_tex_map_images(struct intel_context *intel, 220 struct intel_texture_object *intelObj) 221{ 222 int i; 223 224 DBG("%s\n", __FUNCTION__); 225 226 for (i = intelObj->base.BaseLevel; i <= intelObj->_MaxLevel; i++) 227 intel_tex_map_level_images(intel, intelObj, i); 228} 229 230void 231intel_tex_unmap_images(struct intel_context *intel, 232 struct intel_texture_object *intelObj) 233{ 234 int i; 235 236 for (i = intelObj->base.BaseLevel; i <= intelObj->_MaxLevel; i++) 237 intel_tex_unmap_level_images(intel, intelObj, i); 238} 239