diff options
Diffstat (limited to 'mesalib/src/mesa/main/texobj.c')
| -rw-r--r-- | mesalib/src/mesa/main/texobj.c | 523 |
1 files changed, 472 insertions, 51 deletions
diff --git a/mesalib/src/mesa/main/texobj.c b/mesalib/src/mesa/main/texobj.c index 923cf60d7..59090db4e 100644 --- a/mesalib/src/mesa/main/texobj.c +++ b/mesalib/src/mesa/main/texobj.c @@ -49,6 +49,54 @@ /** \name Internal functions */ /*@{*/ +/** + * This function checks for all valid combinations of Min and Mag filters for + * Float types, when extensions like OES_texture_float and + * OES_texture_float_linear are supported. OES_texture_float mentions support + * for NEAREST, NEAREST_MIPMAP_NEAREST magnification and minification filters. + * Mag filters like LINEAR and min filters like NEAREST_MIPMAP_LINEAR, + * LINEAR_MIPMAP_NEAREST and LINEAR_MIPMAP_LINEAR are only valid in case + * OES_texture_float_linear is supported. + * + * Returns true in case the filter is valid for given Float type else false. + */ +static bool +valid_filter_for_float(const struct gl_context *ctx, + const struct gl_texture_object *obj) +{ + switch (obj->Sampler.MagFilter) { + case GL_LINEAR: + if (obj->_IsHalfFloat && !ctx->Extensions.OES_texture_half_float_linear) { + return false; + } else if (obj->_IsFloat && !ctx->Extensions.OES_texture_float_linear) { + return false; + } + case GL_NEAREST: + case GL_NEAREST_MIPMAP_NEAREST: + break; + default: + unreachable("Invalid mag filter"); + } + + switch (obj->Sampler.MinFilter) { + case GL_LINEAR: + case GL_NEAREST_MIPMAP_LINEAR: + case GL_LINEAR_MIPMAP_NEAREST: + case GL_LINEAR_MIPMAP_LINEAR: + if (obj->_IsHalfFloat && !ctx->Extensions.OES_texture_half_float_linear) { + return false; + } else if (obj->_IsFloat && !ctx->Extensions.OES_texture_float_linear) { + return false; + } + case GL_NEAREST: + case GL_NEAREST_MIPMAP_NEAREST: + break; + default: + unreachable("Invalid min filter"); + } + + return true; +} /** * Return the gl_texture_object for a given ID. @@ -60,6 +108,22 @@ _mesa_lookup_texture(struct gl_context *ctx, GLuint id) _mesa_HashLookup(ctx->Shared->TexObjects, id); } +/** + * Wrapper around _mesa_lookup_texture that throws GL_INVALID_OPERATION if id + * is not in the hash table. After calling _mesa_error, it returns NULL. + */ +struct gl_texture_object * +_mesa_lookup_texture_err(struct gl_context *ctx, GLuint id, const char* func) +{ + struct gl_texture_object *texObj; + + texObj = _mesa_lookup_texture(ctx, id); /* Returns NULL if not found. */ + + if (!texObj) + _mesa_error(ctx, GL_INVALID_OPERATION, "%s(texture)", func); + + return texObj; +} void _mesa_begin_texture_lookups(struct gl_context *ctx) @@ -82,6 +146,87 @@ _mesa_lookup_texture_locked(struct gl_context *ctx, GLuint id) _mesa_HashLookupLocked(ctx->Shared->TexObjects, id); } +/** + * Return a pointer to the current texture object for the given target + * on the current texture unit. + * Note: all <target> error checking should have been done by this point. + */ +struct gl_texture_object * +_mesa_get_current_tex_object(struct gl_context *ctx, GLenum target) +{ + struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); + const GLboolean arrayTex = ctx->Extensions.EXT_texture_array; + + switch (target) { + case GL_TEXTURE_1D: + return texUnit->CurrentTex[TEXTURE_1D_INDEX]; + case GL_PROXY_TEXTURE_1D: + return ctx->Texture.ProxyTex[TEXTURE_1D_INDEX]; + case GL_TEXTURE_2D: + return texUnit->CurrentTex[TEXTURE_2D_INDEX]; + case GL_PROXY_TEXTURE_2D: + return ctx->Texture.ProxyTex[TEXTURE_2D_INDEX]; + case GL_TEXTURE_3D: + return texUnit->CurrentTex[TEXTURE_3D_INDEX]; + case GL_PROXY_TEXTURE_3D: + return ctx->Texture.ProxyTex[TEXTURE_3D_INDEX]; + case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB: + case GL_TEXTURE_CUBE_MAP_ARB: + return ctx->Extensions.ARB_texture_cube_map + ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL; + case GL_PROXY_TEXTURE_CUBE_MAP_ARB: + return ctx->Extensions.ARB_texture_cube_map + ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL; + case GL_TEXTURE_CUBE_MAP_ARRAY: + return ctx->Extensions.ARB_texture_cube_map_array + ? texUnit->CurrentTex[TEXTURE_CUBE_ARRAY_INDEX] : NULL; + case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: + return ctx->Extensions.ARB_texture_cube_map_array + ? ctx->Texture.ProxyTex[TEXTURE_CUBE_ARRAY_INDEX] : NULL; + case GL_TEXTURE_RECTANGLE_NV: + return ctx->Extensions.NV_texture_rectangle + ? texUnit->CurrentTex[TEXTURE_RECT_INDEX] : NULL; + case GL_PROXY_TEXTURE_RECTANGLE_NV: + return ctx->Extensions.NV_texture_rectangle + ? ctx->Texture.ProxyTex[TEXTURE_RECT_INDEX] : NULL; + case GL_TEXTURE_1D_ARRAY_EXT: + return arrayTex ? texUnit->CurrentTex[TEXTURE_1D_ARRAY_INDEX] : NULL; + case GL_PROXY_TEXTURE_1D_ARRAY_EXT: + return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_1D_ARRAY_INDEX] : NULL; + case GL_TEXTURE_2D_ARRAY_EXT: + return arrayTex ? texUnit->CurrentTex[TEXTURE_2D_ARRAY_INDEX] : NULL; + case GL_PROXY_TEXTURE_2D_ARRAY_EXT: + return arrayTex ? ctx->Texture.ProxyTex[TEXTURE_2D_ARRAY_INDEX] : NULL; + case GL_TEXTURE_BUFFER: + return ctx->API == API_OPENGL_CORE && + ctx->Extensions.ARB_texture_buffer_object ? + texUnit->CurrentTex[TEXTURE_BUFFER_INDEX] : NULL; + case GL_TEXTURE_EXTERNAL_OES: + return _mesa_is_gles(ctx) && ctx->Extensions.OES_EGL_image_external + ? texUnit->CurrentTex[TEXTURE_EXTERNAL_INDEX] : NULL; + case GL_TEXTURE_2D_MULTISAMPLE: + return ctx->Extensions.ARB_texture_multisample + ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL; + case GL_PROXY_TEXTURE_2D_MULTISAMPLE: + return ctx->Extensions.ARB_texture_multisample + ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_INDEX] : NULL; + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: + return ctx->Extensions.ARB_texture_multisample + ? texUnit->CurrentTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL; + case GL_PROXY_TEXTURE_2D_MULTISAMPLE_ARRAY: + return ctx->Extensions.ARB_texture_multisample + ? ctx->Texture.ProxyTex[TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX] : NULL; + default: + _mesa_problem(NULL, "bad target in _mesa_get_current_tex_object()"); + return NULL; + } +} + /** * Allocate and initialize a new texture object. But don't put it into the @@ -89,7 +234,7 @@ _mesa_lookup_texture_locked(struct gl_context *ctx, GLuint id) * * Called via ctx->Driver.NewTextureObject, unless overridden by a device * driver. - * + * * \param shared the shared GL state structure to contain the texture object * \param name integer name for the texture object * \param target either GL_TEXTURE_1D, GL_TEXTURE_2D, GL_TEXTURE_3D, @@ -268,7 +413,6 @@ _mesa_delete_texture_object(struct gl_context *ctx, } - /** * Copy texture object state from one texture object to another. * Use for glPush/PopAttrib. @@ -312,6 +456,8 @@ _mesa_copy_texture_object( struct gl_texture_object *dest, dest->_MipmapComplete = src->_MipmapComplete; COPY_4V(dest->Swizzle, src->Swizzle); dest->_Swizzle = src->_Swizzle; + dest->_IsHalfFloat = src->_IsHalfFloat; + dest->_IsFloat = src->_IsFloat; dest->RequiredTextureImageUnits = src->RequiredTextureImageUnits; } @@ -406,6 +552,9 @@ _mesa_reference_texobj_(struct gl_texture_object **ptr, mtx_unlock(&oldTex->Mutex); if (deleteFlag) { + /* Passing in the context drastically changes the driver code for + * framebuffer deletion. + */ GET_CURRENT_CONTEXT(ctx); if (ctx) ctx->Driver.DeleteTexture(ctx, oldTex); @@ -542,6 +691,14 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, t->_IsIntegerFormat = datatype == GL_INT || datatype == GL_UNSIGNED_INT; } + /* Check if the texture type is Float or HalfFloatOES and ensure Min and Mag + * filters are supported in this case. + */ + if (_mesa_is_gles(ctx) && !valid_filter_for_float(ctx, t)) { + incomplete(t, BASE, "Filter is not supported with Float types."); + return; + } + /* Compute _MaxLevel (the maximum mipmap level we'll sample from given the * mipmap image sizes and GL_TEXTURE_MAX_LEVEL state). */ @@ -653,7 +810,8 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, if (height > 1 && t->Target != GL_TEXTURE_1D_ARRAY) { height /= 2; } - if (depth > 1 && t->Target != GL_TEXTURE_2D_ARRAY && t->Target != GL_TEXTURE_CUBE_MAP_ARRAY) { + if (depth > 1 && t->Target != GL_TEXTURE_2D_ARRAY + && t->Target != GL_TEXTURE_CUBE_MAP_ARRAY) { depth /= 2; } @@ -675,22 +833,25 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, return; } if (img->Width2 != width) { - incomplete(t, MIPMAP, "TexImage[%d] bad width %u", i, img->Width2); + incomplete(t, MIPMAP, "TexImage[%d] bad width %u", i, + img->Width2); return; } if (img->Height2 != height) { - incomplete(t, MIPMAP, "TexImage[%d] bad height %u", i, img->Height2); + incomplete(t, MIPMAP, "TexImage[%d] bad height %u", i, + img->Height2); return; } if (img->Depth2 != depth) { - incomplete(t, MIPMAP, "TexImage[%d] bad depth %u", i, img->Depth2); + incomplete(t, MIPMAP, "TexImage[%d] bad depth %u", i, + img->Depth2); return; } /* Extra checks for cube textures */ if (face > 0) { /* check that cube faces are the same size */ - if (img->Width2 != t->Image[0][i]->Width2 || + if (img->Width2 != t->Image[0][i]->Width2 || img->Height2 != t->Image[0][i]->Height2) { incomplete(t, MIPMAP, "CubeMap Image[n][i] bad size"); return; @@ -698,7 +859,7 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, } } } - + if (width == 1 && height == 1 && depth == 1) { return; /* found smallest needed mipmap, all done! */ } @@ -707,25 +868,21 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, } -/** - * Check if the given cube map texture is "cube complete" as defined in - * the OpenGL specification. - */ GLboolean -_mesa_cube_complete(const struct gl_texture_object *texObj) +_mesa_cube_level_complete(const struct gl_texture_object *texObj, + const GLint level) { - const GLint baseLevel = texObj->BaseLevel; const struct gl_texture_image *img0, *img; GLuint face; if (texObj->Target != GL_TEXTURE_CUBE_MAP) return GL_FALSE; - if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) + if ((level < 0) || (level >= MAX_TEXTURE_LEVELS)) return GL_FALSE; /* check first face */ - img0 = texObj->Image[0][baseLevel]; + img0 = texObj->Image[0][level]; if (!img0 || img0->Width < 1 || img0->Width != img0->Height) @@ -733,7 +890,7 @@ _mesa_cube_complete(const struct gl_texture_object *texObj) /* check remaining faces vs. first face */ for (face = 1; face < 6; face++) { - img = texObj->Image[face][baseLevel]; + img = texObj->Image[face][level]; if (!img || img->Width != img0->Width || img->Height != img0->Height || @@ -744,6 +901,15 @@ _mesa_cube_complete(const struct gl_texture_object *texObj) return GL_TRUE; } +/** + * Check if the given cube map texture is "cube complete" as defined in + * the OpenGL specification. + */ +GLboolean +_mesa_cube_complete(const struct gl_texture_object *texObj) +{ + return _mesa_cube_level_complete(texObj, texObj->BaseLevel); +} /** * Mark a texture object dirty. It forces the object to be incomplete @@ -950,6 +1116,21 @@ _mesa_total_texture_memory(struct gl_context *ctx) return total; } + +/** + * Return the base format for the given texture object by looking + * at the base texture image. + * \return base format (such as GL_RGBA) or GL_NONE if it can't be determined + */ +GLenum +_mesa_texture_base_format(const struct gl_texture_object *texObj) +{ + const struct gl_texture_image *texImage = _mesa_base_tex_image(texObj); + + return texImage ? texImage->_BaseFormat : GL_NONE; +} + + static struct gl_texture_object * invalidate_tex_image_error_check(struct gl_context *ctx, GLuint texture, GLint level, const char *name) @@ -1003,38 +1184,46 @@ invalidate_tex_image_error_check(struct gl_context *ctx, GLuint texture, return t; } -/*@}*/ +/** + * Wrapper for the driver function. Need this because _mesa_new_texture_object + * permits a target of 0 and does not initialize targetIndex. + */ +struct gl_texture_object * +_mesa_create_nameless_texture(struct gl_context *ctx, GLenum target) +{ + struct gl_texture_object *texObj = NULL; + GLint targetIndex; + if (target == 0) + return texObj; -/***********************************************************************/ -/** \name API functions */ -/*@{*/ + texObj = ctx->Driver.NewTextureObject(ctx, 0, target); + targetIndex = _mesa_tex_target_to_index(ctx, texObj->Target); + assert(targetIndex < NUM_TEXTURE_TARGETS); + texObj->TargetIndex = targetIndex; + return texObj; +} /** - * Generate texture names. - * - * \param n number of texture names to be generated. - * \param textures an array in which will hold the generated texture names. - * - * \sa glGenTextures(). - * - * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture - * IDs which are stored in \p textures. Corresponding empty texture - * objects are also generated. - */ -void GLAPIENTRY -_mesa_GenTextures( GLsizei n, GLuint *textures ) + * Helper function for glCreateTextures and glGenTextures. Need this because + * glCreateTextures should throw errors if target = 0. This is not exposed to + * the rest of Mesa to encourage Mesa internals to use nameless textures, + * which do not require expensive hash lookups. + */ +static void +create_textures(struct gl_context *ctx, GLenum target, + GLsizei n, GLuint *textures, bool dsa) { - GET_CURRENT_CONTEXT(ctx); GLuint first; GLint i; + const char *func = dsa ? "Create" : "Gen"; if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) - _mesa_debug(ctx, "glGenTextures %d\n", n); + _mesa_debug(ctx, "gl%sTextures %d\n", func, n); if (n < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" ); + _mesa_error( ctx, GL_INVALID_VALUE, "gl%sTextures(n < 0)", func ); return; } @@ -1051,15 +1240,28 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) /* Allocate new, empty texture objects */ for (i = 0; i < n; i++) { struct gl_texture_object *texObj; + GLint targetIndex; GLuint name = first + i; - GLenum target = 0; texObj = ctx->Driver.NewTextureObject(ctx, name, target); if (!texObj) { mtx_unlock(&ctx->Shared->Mutex); - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures"); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sTextures", func); return; } + /* Initialize the target index if target is non-zero. */ + if (target != 0) { + targetIndex = _mesa_tex_target_to_index(ctx, texObj->Target); + if (targetIndex < 0) { /* Bad Target */ + mtx_unlock(&ctx->Shared->Mutex); + _mesa_error(ctx, GL_INVALID_ENUM, "gl%sTextures(target = %s)", + func, _mesa_lookup_enum_by_nr(texObj->Target)); + return; + } + assert(targetIndex < NUM_TEXTURE_TARGETS); + texObj->TargetIndex = targetIndex; + } + /* insert into hash table */ _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj); @@ -1069,6 +1271,65 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) mtx_unlock(&ctx->Shared->Mutex); } +/*@}*/ + + +/***********************************************************************/ +/** \name API functions */ +/*@{*/ + + +/** + * Generate texture names. + * + * \param n number of texture names to be generated. + * \param textures an array in which will hold the generated texture names. + * + * \sa glGenTextures(), glCreateTextures(). + * + * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture + * IDs which are stored in \p textures. Corresponding empty texture + * objects are also generated. + */ +void GLAPIENTRY +_mesa_GenTextures(GLsizei n, GLuint *textures) +{ + GET_CURRENT_CONTEXT(ctx); + create_textures(ctx, 0, n, textures, false); +} + +/** + * Create texture objects. + * + * \param target the texture target for each name to be generated. + * \param n number of texture names to be generated. + * \param textures an array in which will hold the generated texture names. + * + * \sa glCreateTextures(), glGenTextures(). + * + * Calls _mesa_HashFindFreeKeyBlock() to find a block of free texture + * IDs which are stored in \p textures. Corresponding empty texture + * objects are also generated. + */ +void GLAPIENTRY +_mesa_CreateTextures(GLenum target, GLsizei n, GLuint *textures) +{ + GLint targetIndex; + GET_CURRENT_CONTEXT(ctx); + + /* + * The 4.5 core profile spec (30.10.2014) doesn't specify what + * glCreateTextures should do with invalid targets, which was probably an + * oversight. This conforms to the spec for glBindTexture. + */ + targetIndex = _mesa_tex_target_to_index(ctx, target); + if (targetIndex < 0) { + _mesa_error(ctx, GL_INVALID_ENUM, "glCreateTextures(target)"); + return; + } + + create_textures(ctx, target, n, textures, true); +} /** * Check if the given texture object is bound to the current draw or @@ -1155,6 +1416,7 @@ unbind_texobj_from_image_units(struct gl_context *ctx, } } + /** * Unbinds all textures bound to the given texture image unit. */ @@ -1178,6 +1440,7 @@ unbind_textures_from_unit(struct gl_context *ctx, GLuint unit) } } + /** * Delete named textures. * @@ -1201,8 +1464,18 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) _mesa_debug(ctx, "glDeleteTextures %d\n", n); + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteTextures(n < 0)"); + return; + } + FLUSH_VERTICES(ctx, 0); /* too complex */ + if (n < 0) { + _mesa_error(ctx, GL_INVALID_VALUE, "glDeleteTextures(n)"); + return; + } + if (!textures) return; @@ -1251,6 +1524,47 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) } } +/** + * This deletes a texObj without altering the hash table. + */ +void +_mesa_delete_nameless_texture(struct gl_context *ctx, + struct gl_texture_object *texObj) +{ + if (!texObj) + return; + + FLUSH_VERTICES(ctx, 0); + + _mesa_lock_texture(ctx, texObj); + { + /* Check if texture is bound to any framebuffer objects. + * If so, unbind. + * See section 4.4.2.3 of GL_EXT_framebuffer_object. + */ + unbind_texobj_from_fbo(ctx, texObj); + + /* Check if this texture is currently bound to any texture units. + * If so, unbind it. + */ + unbind_texobj_from_texunits(ctx, texObj); + + /* Check if this texture is currently bound to any shader + * image unit. If so, unbind it. + * See section 3.9.X of GL_ARB_shader_image_load_store. + */ + unbind_texobj_from_image_units(ctx, texObj); + } + _mesa_unlock_texture(ctx, texObj); + + ctx->NewState |= _NEW_TEXTURE; + + /* Unreference the texobj. If refcount hits zero, the texture + * will be deleted. + */ + _mesa_reference_texobj(&texObj, NULL); +} + /** * Convert a GL texture target enum such as GL_TEXTURE_2D or GL_TEXTURE_3D @@ -1305,10 +1619,10 @@ _mesa_tex_target_to_index(const struct gl_context *ctx, GLenum target) /** * Bind a named texture to a texturing target. - * + * * \param target texture target. * \param texName texture name. - * + * * \sa glBindTexture(). * * Determines the old texture object bound and returns immediately if rebinding @@ -1350,7 +1664,9 @@ _mesa_BindTexture( GLenum target, GLuint texName ) if (newTexObj) { /* error checking */ if (newTexObj->Target != 0 && newTexObj->Target != target) { - /* the named texture object's target doesn't match the given target */ + /* The named texture object's target doesn't match the + * given target + */ _mesa_error( ctx, GL_INVALID_OPERATION, "glBindTexture(target mismatch)" ); return; @@ -1361,7 +1677,8 @@ _mesa_BindTexture( GLenum target, GLuint texName ) } else { if (ctx->API == API_OPENGL_CORE) { - _mesa_error(ctx, GL_INVALID_OPERATION, "glBindTexture(non-gen name)"); + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindTexture(non-gen name)"); return; } @@ -1419,6 +1736,107 @@ _mesa_BindTexture( GLenum target, GLuint texName ) ctx->Driver.BindTexture(ctx, ctx->Texture.CurrentUnit, target, newTexObj); } +/** + * Do the actual binding to a numbered texture unit. + * The refcount on the previously bound + * texture object will be decremented. It'll be deleted if the + * count hits zero. + */ +void +_mesa_bind_texture_unit(struct gl_context *ctx, + GLuint unit, + struct gl_texture_object *texObj) +{ + struct gl_texture_unit *texUnit; + + /* Get the texture unit (this is an array look-up) */ + texUnit = _mesa_get_tex_unit_err(ctx, unit, "glBindTextureUnit"); + if (!texUnit) + return; + + /* Check if this texture is only used by this context and is already bound. + * If so, just return. + */ + { + bool early_out; + mtx_lock(&ctx->Shared->Mutex); + early_out = ((ctx->Shared->RefCount == 1) + && (texObj == texUnit->CurrentTex[texObj->TargetIndex])); + mtx_unlock(&ctx->Shared->Mutex); + if (early_out) { + return; + } + } + + /* flush before changing binding */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + + _mesa_reference_texobj(&texUnit->CurrentTex[texObj->TargetIndex], + texObj); + ASSERT(texUnit->CurrentTex[texObj->TargetIndex]); + ctx->Texture.NumCurrentTexUsed = MAX2(ctx->Texture.NumCurrentTexUsed, + unit + 1); + texUnit->_BoundTextures |= (1 << texObj->TargetIndex); + + + /* Pass BindTexture call to device driver */ + if (ctx->Driver.BindTexture) { + ctx->Driver.BindTexture(ctx, unit, texObj->Target, texObj); + } +} + +/** + * Bind a named texture to the specified texture unit. + * + * \param unit texture unit. + * \param texture texture name. + * + * \sa glBindTexture(). + * + * If the named texture is 0, this will reset each target for the specified + * texture unit to its default texture. + * If the named texture is not 0 or a recognized texture name, this throws + * GL_INVALID_OPERATION. + */ +void GLAPIENTRY +_mesa_BindTextureUnit(GLuint unit, GLuint texture) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_texture_object *texObj; + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBindTextureUnit %s %d\n", + _mesa_lookup_enum_by_nr(GL_TEXTURE0+unit), (GLint) texture); + + /* Section 8.1 (Texture Objects) of the OpenGL 4.5 core profile spec + * (20141030) says: + * "When texture is zero, each of the targets enumerated at the + * beginning of this section is reset to its default texture for the + * corresponding texture image unit." + */ + if (texture == 0) { + unbind_textures_from_unit(ctx, unit); + return; + } + + /* Get the non-default texture object */ + texObj = _mesa_lookup_texture(ctx, texture); + + /* Error checking */ + if (!texObj) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindTextureUnit(non-gen name)"); + return; + } + if (texObj->Target == 0) { + _mesa_error(ctx, GL_INVALID_ENUM, "glBindTextureUnit(target)"); + return; + } + assert(valid_texture_object(texObj)); + + _mesa_bind_texture_unit(ctx, unit, texObj); +} + void GLAPIENTRY _mesa_BindTextures(GLuint first, GLsizei count, const GLuint *textures) @@ -1526,13 +1944,13 @@ _mesa_BindTextures(GLuint first, GLsizei count, const GLuint *textures) /** * Set texture priorities. - * + * * \param n number of textures. * \param texName texture names. * \param priorities corresponding texture priorities. - * + * * \sa glPrioritizeTextures(). - * + * * Looks up each texture in the hash, clamps the corresponding priority between * 0.0 and 1.0, and calls dd_function_table::PrioritizeTexture. */ @@ -1572,13 +1990,14 @@ _mesa_PrioritizeTextures( GLsizei n, const GLuint *texName, /** * See if textures are loaded in texture memory. - * + * * \param n number of textures to query. * \param texName array with the texture names. * \param residences array which will hold the residence status. * - * \return GL_TRUE if all textures are resident and \p residences is left unchanged, - * + * \return GL_TRUE if all textures are resident and + * residences is left unchanged, + * * Note: we assume all textures are always resident */ GLboolean GLAPIENTRY @@ -1614,7 +2033,7 @@ _mesa_AreTexturesResident(GLsizei n, const GLuint *texName, return GL_FALSE; } } - + return allResident; } @@ -1626,7 +2045,7 @@ _mesa_AreTexturesResident(GLsizei n, const GLuint *texName, * * \return GL_TRUE if texture name corresponds to a texture, or GL_FALSE * otherwise. - * + * * \sa glIsTexture(). * * Calls _mesa_HashLookup(). @@ -1681,6 +2100,7 @@ _mesa_unlock_context_textures( struct gl_context *ctx ) mtx_unlock(&ctx->Shared->TexMutex); } + void GLAPIENTRY _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, @@ -1827,6 +2247,7 @@ _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, return; } + void GLAPIENTRY _mesa_InvalidateTexImage(GLuint texture, GLint level) { |