/* * Mesa 3-D graphics library * * Copyright (C) 2011 VMware, Inc. All Rights Reserved. * * 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 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 AUTHORS OR COPYRIGHT HOLDERS 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. */ /** * \file texstorage.c * GL_ARB_texture_storage functions */ #include "glheader.h" #include "context.h" #include "enums.h" #include "imports.h" #include "macros.h" #include "teximage.h" #include "texobj.h" #include "mipmap.h" #include "texstorage.h" #include "textureview.h" #include "mtypes.h" #include "glformats.h" #include "hash.h" /** * Check if the given texture target is a legal texture object target * for a glTexStorage() command. * This is a bit different than legal_teximage_target() when it comes * to cube maps. */ static GLboolean legal_texobj_target(struct gl_context *ctx, GLuint dims, GLenum target) { if (_mesa_is_gles3(ctx) && target != GL_TEXTURE_2D && target != GL_TEXTURE_CUBE_MAP && target != GL_TEXTURE_3D && target != GL_TEXTURE_2D_ARRAY) return GL_FALSE; switch (dims) { case 1: switch (target) { case GL_TEXTURE_1D: case GL_PROXY_TEXTURE_1D: return GL_TRUE; default: return GL_FALSE; } case 2: switch (target) { case GL_TEXTURE_2D: case GL_PROXY_TEXTURE_2D: return GL_TRUE; case GL_TEXTURE_CUBE_MAP: case GL_PROXY_TEXTURE_CUBE_MAP: return ctx->Extensions.ARB_texture_cube_map; case GL_TEXTURE_RECTANGLE: case GL_PROXY_TEXTURE_RECTANGLE: return ctx->Extensions.NV_texture_rectangle; case GL_TEXTURE_1D_ARRAY: case GL_PROXY_TEXTURE_1D_ARRAY: return ctx->Extensions.EXT_texture_array; default: return GL_FALSE; } case 3: switch (target) { case GL_TEXTURE_3D: case GL_PROXY_TEXTURE_3D: return GL_TRUE; case GL_TEXTURE_2D_ARRAY: case GL_PROXY_TEXTURE_2D_ARRAY: return ctx->Extensions.EXT_texture_array; case GL_TEXTURE_CUBE_MAP_ARRAY: case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: return ctx->Extensions.ARB_texture_cube_map_array; default: return GL_FALSE; } default: _mesa_problem(ctx, "invalid dims=%u in legal_texobj_target()", dims); return GL_FALSE; } } /** Helper to get a particular texture image in a texture object */ static struct gl_texture_image * get_tex_image(struct gl_context *ctx, struct gl_texture_object *texObj, GLuint face, GLuint level) { const GLenum faceTarget = (texObj->Target == GL_TEXTURE_CUBE_MAP || texObj->Target == GL_PROXY_TEXTURE_CUBE_MAP) ? GL_TEXTURE_CUBE_MAP_POSITIVE_X + face : texObj->Target; return _mesa_get_tex_image(ctx, texObj, faceTarget, level); } static GLboolean initialize_texture_fields(struct gl_context *ctx, struct gl_texture_object *texObj, GLint levels, GLsizei width, GLsizei height, GLsizei depth, GLenum internalFormat, mesa_format texFormat) { const GLenum target = texObj->Target; const GLuint numFaces = _mesa_num_tex_faces(target); GLint level, levelWidth = width, levelHeight = height, levelDepth = depth; GLuint face; /* Set up all the texture object's gl_texture_images */ for (level = 0; level < levels; level++) { for (face = 0; face < numFaces; face++) { struct gl_texture_image *texImage = get_tex_image(ctx, texObj, face, level); if (!texImage) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage"); return GL_FALSE; } _mesa_init_teximage_fields(ctx, texImage, levelWidth, levelHeight, levelDepth, 0, internalFormat, texFormat); } _mesa_next_mipmap_level_size(target, 0, levelWidth, levelHeight, levelDepth, &levelWidth, &levelHeight, &levelDepth); } return GL_TRUE; } /** * Clear all fields of texture object to zeros. Used for proxy texture tests * and to clean up when a texture memory allocation fails. */ static void clear_texture_fields(struct gl_context *ctx, struct gl_texture_object *texObj) { const GLenum target = texObj->Target; const GLuint numFaces = _mesa_num_tex_faces(target); GLint level; GLuint face; for (level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) { for (face = 0; face < numFaces; face++) { struct gl_texture_image *texImage = get_tex_image(ctx, texObj, face, level); if (!texImage) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexStorage"); return; } _mesa_clear_texture_image(ctx, texImage); } } } /** * Update/re-validate framebuffer object. */ static void update_fbo_texture(struct gl_context *ctx, struct gl_texture_object *texObj) { const unsigned numFaces = _mesa_num_tex_faces(texObj->Target); for (int level = 0; level < ARRAY_SIZE(texObj->Image[0]); level++) { for (unsigned face = 0; face < numFaces; face++) _mesa_update_fbo_texture(ctx, texObj, face, level); } } GLboolean _mesa_is_legal_tex_storage_format(const struct gl_context *ctx, GLenum internalformat) { /* check internal format - note that only sized formats are allowed */ switch (internalformat) { case GL_ALPHA: case GL_LUMINANCE: case GL_LUMINANCE_ALPHA: case GL_INTENSITY: case GL_RED: case GL_RG: case GL_RGB: case GL_RGBA: case GL_BGRA: case GL_DEPTH_COMPONENT: case GL_DEPTH_STENCIL: case GL_COMPRESSED_ALPHA: case GL_COMPRESSED_LUMINANCE_ALPHA: case GL_COMPRESSED_LUMINANCE: case GL_COMPRESSED_INTENSITY: case GL_COMPRESSED_RGB: case GL_COMPRESSED_RGBA: case GL_COMPRESSED_SRGB: case GL_COMPRESSED_SRGB_ALPHA: case GL_COMPRESSED_SLUMINANCE: case GL_COMPRESSED_SLUMINANCE_ALPHA: case GL_RED_INTEGER: case GL_GREEN_INTEGER: case GL_BLUE_INTEGER: case GL_ALPHA_INTEGER: case GL_RGB_INTEGER: case GL_RGBA_INTEGER: case GL_BGR_INTEGER: case GL_BGRA_INTEGER: case GL_LUMINANCE_INTEGER_EXT: case GL_LUMINANCE_ALPHA_INTEGER_EXT: /* these unsized formats are illegal */ return GL_FALSE; default: return _mesa_base_tex_format(ctx, internalformat) > 0; } } /** * Default ctx->Driver.AllocTextureStorage() handler. * * The driver can override this with a more specific implementation if it * desires, but this can be used to get the texture images allocated using the * usual texture image handling code. The immutability of * GL_ARB_texture_storage texture layouts is handled by texObj->Immutable * checks at glTexImage* time. */ GLboolean _mesa_AllocTextureStorage_sw(struct gl_context *ctx, struct gl_texture_object *texObj, GLsizei levels, GLsizei width, GLsizei height, GLsizei depth) { const int numFaces = _mesa_num_tex_faces(texObj->Target); int face; int level; (void) width; (void) height; (void) depth; for (face = 0; face < numFaces; face++) { for (level = 0; level < levels; level++) { struct gl_texture_image *const texImage = texObj->Image[face][level]; if (!ctx->Driver.AllocTextureImageBuffer(ctx, texImage)) return GL_FALSE; } } return GL_TRUE; } /** * Do error checking for calls to glTexStorage1/2/3D(). * If an error is found, record it with _mesa_error(), unless the target * is a proxy texture. * \return GL_TRUE if any error, GL_FALSE otherwise. */ static GLboolean tex_storage_error_check(struct gl_context *ctx, struct gl_texture_object *texObj, GLuint dims, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, bool dsa) { const char* suffix = dsa ? "ture" : ""; /* Legal format checking has been moved to texstorage and texturestorage in * order to allow meta functions to use legacy formats. */ /* size check */ if (!_mesa_valid_tex_storage_dim(width, height, depth)) { _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(width, height or depth < 1)", suffix, dims); return GL_TRUE; } if (_mesa_is_compressed_format(ctx, internalformat)) { GLenum err; if (!_mesa_target_can_be_compressed(ctx, target, internalformat, &err)) { _mesa_error(ctx, err, "glTex%sStorage%dD(internalformat = %s)", suffix, dims, _mesa_enum_to_string(internalformat)); return GL_TRUE; } } /* levels check */ if (levels < 1) { _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(levels < 1)", suffix, dims); return GL_TRUE; } /* check levels against maximum (note different error than above) */ if (levels > (GLint) _mesa_max_texture_levels(ctx, target)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(levels too large)", suffix, dims); return GL_TRUE; } /* check levels against width/height/depth */ if (levels > _mesa_get_tex_max_num_levels(target, width, height, depth)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(too many levels" " for max texture dimension)", suffix, dims); return GL_TRUE; } /* non-default texture object check */ if (!_mesa_is_proxy_texture(target) && (!texObj || (texObj->Name == 0))) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(texture object 0)", suffix, dims); return GL_TRUE; } /* Check if texObj->Immutable is set */ if (!_mesa_is_proxy_texture(target) && texObj->Immutable) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(immutable)", suffix, dims); return GL_TRUE; } /* additional checks for depth textures */ if (!_mesa_legal_texture_base_format_for_target(ctx, target, internalformat)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTex%sStorage%uD(bad target for texture)", suffix, dims); return GL_TRUE; } return GL_FALSE; } /** * Helper that does the storage allocation for _mesa_TexStorage1/2/3D() * and _mesa_TextureStorage1/2/3D(). */ void _mesa_texture_storage(struct gl_context *ctx, GLuint dims, struct gl_texture_object *texObj, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, bool dsa) { GLboolean sizeOK, dimensionsOK; mesa_format texFormat; const char* suffix = dsa ? "ture" : ""; assert(texObj); if (tex_storage_error_check(ctx, texObj, dims, target, levels, internalformat, width, height, depth, dsa)) { return; /* error was recorded */ } texFormat = _mesa_choose_texture_format(ctx, texObj, target, 0, internalformat, GL_NONE, GL_NONE); assert(texFormat != MESA_FORMAT_NONE); /* check that width, height, depth are legal for the mipmap level */ dimensionsOK = _mesa_legal_texture_dimensions(ctx, target, 0, width, height, depth, 0); sizeOK = ctx->Driver.TestProxyTexImage(ctx, target, levels, 0, texFormat, 1, width, height, depth); if (_mesa_is_proxy_texture(target)) { if (dimensionsOK && sizeOK) { initialize_texture_fields(ctx, texObj, levels, width, height, depth, internalformat, texFormat); } else { /* clear all image fields for [levels] */ clear_texture_fields(ctx, texObj); } } else { if (!dimensionsOK) { _mesa_error(ctx, GL_INVALID_VALUE, "glTex%sStorage%uD(invalid width, height or depth)", suffix, dims); return; } if (!sizeOK) { _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD(texture too large)", suffix, dims); } assert(levels > 0); assert(width > 0); assert(height > 0); assert(depth > 0); if (!initialize_texture_fields(ctx, texObj, levels, width, height, depth, internalformat, texFormat)) { return; } /* Do actual texture memory allocation */ if (!ctx->Driver.AllocTextureStorage(ctx, texObj, levels, width, height, depth)) { /* Reset the texture images' info to zeros. * Strictly speaking, we probably don't have to do this since * generating GL_OUT_OF_MEMORY can leave things in an undefined * state but this puts things in a consistent state. */ clear_texture_fields(ctx, texObj); _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTex%sStorage%uD", suffix, dims); return; } _mesa_set_texture_view_state(ctx, texObj, target, levels); update_fbo_texture(ctx, texObj); } } /** * Helper used by _mesa_TexStorage1/2/3D(). */ static void texstorage(GLuint dims, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); /* Check target. This is done here so that _mesa_texture_storage * can receive unsized formats. */ if (!legal_texobj_target(ctx, dims, target)) { _mesa_error(ctx, GL_INVALID_ENUM, "glTexStorage%uD(illegal target=%s)", dims, _mesa_enum_to_string(target)); return; } if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) _mesa_debug(ctx, "glTexStorage%uD %s %d %s %d %d %d\n", dims, _mesa_enum_to_string(target), levels, _mesa_enum_to_string(internalformat), width, height, depth); /* Check the format to make sure it is sized. */ if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) { _mesa_error(ctx, GL_INVALID_ENUM, "glTexStorage%uD(internalformat = %s)", dims, _mesa_enum_to_string(internalformat)); return; } texObj = _mesa_get_current_tex_object(ctx, target); if (!texObj) return; _mesa_texture_storage(ctx, dims, texObj, target, levels, internalformat, width, height, depth, false); } /** * Helper used by _mesa_TextureStorage1/2/3D(). */ static void texturestorage(GLuint dims, GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) { struct gl_texture_object *texObj; GET_CURRENT_CONTEXT(ctx); if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) _mesa_debug(ctx, "glTextureStorage%uD %d %d %s %d %d %d\n", dims, texture, levels, _mesa_enum_to_string(internalformat), width, height, depth); /* Check the format to make sure it is sized. */ if (!_mesa_is_legal_tex_storage_format(ctx, internalformat)) { _mesa_error(ctx, GL_INVALID_ENUM, "glTextureStorage%uD(internalformat = %s)", dims, _mesa_enum_to_string(internalformat)); return; } /* Get the texture object by Name. */ texObj = _mesa_lookup_texture(ctx, texture); if (!texObj) { _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureStorage%uD(texture = %d)", dims, texture); return; } /* Check target. This is done here so that _mesa_texture_storage * can receive unsized formats. */ if (!legal_texobj_target(ctx, dims, texObj->Target)) { _mesa_error(ctx, GL_INVALID_ENUM, "glTextureStorage%uD(illegal target=%s)", dims, _mesa_enum_to_string(texObj->Target)); return; } _mesa_texture_storage(ctx, dims, texObj, texObj->Target, levels, internalformat, width, height, depth, true); } void GLAPIENTRY _mesa_TexStorage1D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width) { texstorage(1, target, levels, internalformat, width, 1, 1); } void GLAPIENTRY _mesa_TexStorage2D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) { texstorage(2, target, levels, internalformat, width, height, 1); } void GLAPIENTRY _mesa_TexStorage3D(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) { texstorage(3, target, levels, internalformat, width, height, depth); } void GLAPIENTRY _mesa_TextureStorage1D(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width) { texturestorage(1, texture, levels, internalformat, width, 1, 1); } void GLAPIENTRY _mesa_TextureStorage2D(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) { texturestorage(2, texture, levels, internalformat, width, height, 1); } void GLAPIENTRY _mesa_TextureStorage3D(GLuint texture, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) { texturestorage(3, texture, levels, internalformat, width, height, depth); } /* * Note: we don't support GL_EXT_direct_state_access and the spec says * we don't need the following functions. However, glew checks for the * presence of all six functions and will say that GL_ARB_texture_storage * is not supported if these functions are missing. */ void GLAPIENTRY _mesa_TextureStorage1DEXT(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width) { GET_CURRENT_CONTEXT(ctx); (void) texture; (void) target; (void) levels; (void) internalformat; (void) width; _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureStorage1DEXT not supported"); } void GLAPIENTRY _mesa_TextureStorage2DEXT(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height) { GET_CURRENT_CONTEXT(ctx); (void) texture; (void) target; (void) levels; (void) internalformat; (void) width; (void) height; _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureStorage2DEXT not supported"); } void GLAPIENTRY _mesa_TextureStorage3DEXT(GLuint texture, GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth) { GET_CURRENT_CONTEXT(ctx); (void) texture; (void) target; (void) levels; (void) internalformat; (void) width; (void) height; (void) depth; _mesa_error(ctx, GL_INVALID_OPERATION, "glTextureStorage3DEXT not supported"); }