X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Ftexobj.c;h=25b959d1814a96c6fcadffe61ffe71cf148d1635;hb=192de3f051c70ff1404369f88ae2d55f1ffcf806;hp=4cdf68a42e92bd02b5878f045fcf975981ab60c0;hpb=1ee2880e865135df451a3dc21ccc8f3631bdba02;p=mesa.git diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c index 4cdf68a42e9..25b959d1814 100644 --- a/src/mesa/main/texobj.c +++ b/src/mesa/main/texobj.c @@ -5,7 +5,6 @@ /* * Mesa 3-D graphics library - * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * @@ -22,15 +21,15 @@ * 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 - * BRIAN PAUL 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. + * 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. */ -#include "mfeatures.h" +#include #include "bufferobj.h" -#include "colortab.h" #include "context.h" #include "enums.h" #include "fbobject.h" @@ -38,6 +37,7 @@ #include "hash.h" #include "imports.h" #include "macros.h" +#include "shaderimage.h" #include "teximage.h" #include "texobj.h" #include "texstate.h" @@ -50,6 +50,54 @@ /** \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. @@ -61,6 +109,125 @@ _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 = NULL; + + if (id > 0) + 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) +{ + _mesa_HashLockMutex(ctx->Shared->TexObjects); +} + + +void +_mesa_end_texture_lookups(struct gl_context *ctx) +{ + _mesa_HashUnlockMutex(ctx->Shared->TexObjects); +} + + +struct gl_texture_object * +_mesa_lookup_texture_locked(struct gl_context *ctx, GLuint id) +{ + return (struct gl_texture_object *) + _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 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: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: + case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: + case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: + case GL_TEXTURE_CUBE_MAP: + return ctx->Extensions.ARB_texture_cube_map + ? texUnit->CurrentTex[TEXTURE_CUBE_INDEX] : NULL; + case GL_PROXY_TEXTURE_CUBE_MAP: + return ctx->Extensions.ARB_texture_cube_map + ? ctx->Texture.ProxyTex[TEXTURE_CUBE_INDEX] : NULL; + case GL_TEXTURE_CUBE_MAP_ARRAY: + return _mesa_has_texture_cube_map_array(ctx) + ? texUnit->CurrentTex[TEXTURE_CUBE_ARRAY_INDEX] : NULL; + case GL_PROXY_TEXTURE_CUBE_MAP_ARRAY: + return _mesa_has_texture_cube_map_array(ctx) + ? 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 (_mesa_has_ARB_texture_buffer_object(ctx) || + _mesa_has_OES_texture_buffer(ctx)) ? + 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; + } +} /** @@ -69,11 +236,11 @@ _mesa_lookup_texture(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, - * GL_TEXTURE_CUBE_MAP_ARB or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake + * GL_TEXTURE_CUBE_MAP or GL_TEXTURE_RECTANGLE_NV. zero is ok for the sake * of GenTextures() * * \return pointer to new texture object. @@ -84,7 +251,7 @@ _mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target ) struct gl_texture_object *obj; (void) ctx; obj = MALLOC_STRUCT(gl_texture_object); - _mesa_initialize_texture_object(obj, name, target); + _mesa_initialize_texture_object(ctx, obj, name, target); return obj; } @@ -96,27 +263,36 @@ _mesa_new_texture_object( struct gl_context *ctx, GLuint name, GLenum target ) * \param target the texture target */ void -_mesa_initialize_texture_object( struct gl_texture_object *obj, +_mesa_initialize_texture_object( struct gl_context *ctx, + struct gl_texture_object *obj, GLuint name, GLenum target ) { - ASSERT(target == 0 || + assert(target == 0 || target == GL_TEXTURE_1D || target == GL_TEXTURE_2D || target == GL_TEXTURE_3D || - target == GL_TEXTURE_CUBE_MAP_ARB || + target == GL_TEXTURE_CUBE_MAP || target == GL_TEXTURE_RECTANGLE_NV || target == GL_TEXTURE_1D_ARRAY_EXT || target == GL_TEXTURE_2D_ARRAY_EXT || target == GL_TEXTURE_EXTERNAL_OES || target == GL_TEXTURE_CUBE_MAP_ARRAY || - target == GL_TEXTURE_BUFFER); + target == GL_TEXTURE_BUFFER || + target == GL_TEXTURE_2D_MULTISAMPLE || + target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY); memset(obj, 0, sizeof(*obj)); /* init the non-zero fields */ - _glthread_INIT_MUTEX(obj->Mutex); + mtx_init(&obj->Mutex, mtx_plain); obj->RefCount = 1; obj->Name = name; obj->Target = target; + if (target != 0) { + obj->TargetIndex = _mesa_tex_target_to_index(ctx, target); + } + else { + obj->TargetIndex = NUM_TEXTURE_TARGETS; /* invalid/error value */ + } obj->Priority = 1.0F; obj->BaseLevel = 0; obj->MaxLevel = 1000; @@ -145,7 +321,8 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj, obj->Sampler.MaxAnisotropy = 1.0; obj->Sampler.CompareMode = GL_NONE; /* ARB_shadow */ obj->Sampler.CompareFunc = GL_LEQUAL; /* ARB_shadow */ - obj->DepthMode = GL_LUMINANCE; + obj->DepthMode = ctx->API == API_OPENGL_CORE ? GL_RED : GL_LUMINANCE; + obj->StencilSampling = false; obj->Sampler.CubeMapSeamless = GL_FALSE; obj->Swizzle[0] = GL_RED; obj->Swizzle[1] = GL_GREEN; @@ -153,8 +330,9 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj, obj->Swizzle[3] = GL_ALPHA; obj->_Swizzle = SWIZZLE_NOOP; obj->Sampler.sRGBDecode = GL_DECODE_EXT; - obj->BufferObjectFormat = GL_LUMINANCE8; - obj->_BufferObjectFormat = MESA_FORMAT_L8; + obj->BufferObjectFormat = GL_R8; + obj->_BufferObjectFormat = MESA_FORMAT_R_UNORM8; + obj->ImageFormatCompatibilityType = GL_IMAGE_FORMAT_COMPATIBILITY_BY_SIZE; } @@ -166,23 +344,40 @@ static void finish_texture_init(struct gl_context *ctx, GLenum target, struct gl_texture_object *obj) { + GLenum filter = GL_LINEAR; assert(obj->Target == 0); - if (target == GL_TEXTURE_RECTANGLE_NV || - target == GL_TEXTURE_EXTERNAL_OES) { - /* have to init wrap and filter state here - kind of klunky */ - obj->Sampler.WrapS = GL_CLAMP_TO_EDGE; - obj->Sampler.WrapT = GL_CLAMP_TO_EDGE; - obj->Sampler.WrapR = GL_CLAMP_TO_EDGE; - obj->Sampler.MinFilter = GL_LINEAR; - if (ctx->Driver.TexParameter) { - static const GLfloat fparam_wrap[1] = {(GLfloat) GL_CLAMP_TO_EDGE}; - static const GLfloat fparam_filter[1] = {(GLfloat) GL_LINEAR}; - ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_S, fparam_wrap); - ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_T, fparam_wrap); - ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_WRAP_R, fparam_wrap); - ctx->Driver.TexParameter(ctx, target, obj, GL_TEXTURE_MIN_FILTER, fparam_filter); - } + obj->Target = target; + obj->TargetIndex = _mesa_tex_target_to_index(ctx, target); + assert(obj->TargetIndex < NUM_TEXTURE_TARGETS); + + switch (target) { + case GL_TEXTURE_2D_MULTISAMPLE: + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: + filter = GL_NEAREST; + /* fallthrough */ + + case GL_TEXTURE_RECTANGLE_NV: + case GL_TEXTURE_EXTERNAL_OES: + /* have to init wrap and filter state here - kind of klunky */ + obj->Sampler.WrapS = GL_CLAMP_TO_EDGE; + obj->Sampler.WrapT = GL_CLAMP_TO_EDGE; + obj->Sampler.WrapR = GL_CLAMP_TO_EDGE; + obj->Sampler.MinFilter = filter; + obj->Sampler.MagFilter = filter; + if (ctx->Driver.TexParameter) { + /* XXX we probably don't need to make all these calls */ + ctx->Driver.TexParameter(ctx, obj, GL_TEXTURE_WRAP_S); + ctx->Driver.TexParameter(ctx, obj, GL_TEXTURE_WRAP_T); + ctx->Driver.TexParameter(ctx, obj, GL_TEXTURE_WRAP_R); + ctx->Driver.TexParameter(ctx, obj, GL_TEXTURE_MIN_FILTER); + ctx->Driver.TexParameter(ctx, obj, GL_TEXTURE_MAG_FILTER); + } + break; + + default: + /* nothing needs done */ + break; } } @@ -218,14 +413,15 @@ _mesa_delete_texture_object(struct gl_context *ctx, _mesa_reference_buffer_object(ctx, &texObj->BufferObject, NULL); /* destroy the mutex -- it may have allocated memory (eg on bsd) */ - _glthread_DESTROY_MUTEX(texObj->Mutex); + mtx_destroy(&texObj->Mutex); + + free(texObj->Label); /* free this object */ free(texObj); } - /** * Copy texture object state from one texture object to another. * Use for glPush/PopAttrib. @@ -238,6 +434,7 @@ _mesa_copy_texture_object( struct gl_texture_object *dest, const struct gl_texture_object *src ) { dest->Target = src->Target; + dest->TargetIndex = src->TargetIndex; dest->Name = src->Name; dest->Priority = src->Priority; dest->Sampler.BorderColor.f[0] = src->Sampler.BorderColor.f[0]; @@ -259,6 +456,7 @@ _mesa_copy_texture_object( struct gl_texture_object *dest, dest->Sampler.CompareFunc = src->Sampler.CompareFunc; dest->Sampler.CubeMapSeamless = src->Sampler.CubeMapSeamless; dest->DepthMode = src->DepthMode; + dest->StencilSampling = src->StencilSampling; dest->Sampler.sRGBDecode = src->Sampler.sRGBDecode; dest->_MaxLevel = src->_MaxLevel; dest->_MaxLambda = src->_MaxLambda; @@ -267,6 +465,8 @@ _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; } @@ -311,13 +511,15 @@ valid_texture_object(const struct gl_texture_object *tex) case GL_TEXTURE_1D: case GL_TEXTURE_2D: case GL_TEXTURE_3D: - case GL_TEXTURE_CUBE_MAP_ARB: + case GL_TEXTURE_CUBE_MAP: case GL_TEXTURE_RECTANGLE_NV: case GL_TEXTURE_1D_ARRAY_EXT: case GL_TEXTURE_2D_ARRAY_EXT: case GL_TEXTURE_BUFFER: case GL_TEXTURE_EXTERNAL_OES: case GL_TEXTURE_CUBE_MAP_ARRAY: + case GL_TEXTURE_2D_MULTISAMPLE: + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: return GL_TRUE; case 0x99: _mesa_problem(NULL, "invalid reference to a deleted texture object"); @@ -348,17 +550,20 @@ _mesa_reference_texobj_(struct gl_texture_object **ptr, GLboolean deleteFlag = GL_FALSE; struct gl_texture_object *oldTex = *ptr; - ASSERT(valid_texture_object(oldTex)); + assert(valid_texture_object(oldTex)); (void) valid_texture_object; /* silence warning in release builds */ - _glthread_LOCK_MUTEX(oldTex->Mutex); - ASSERT(oldTex->RefCount > 0); + mtx_lock(&oldTex->Mutex); + assert(oldTex->RefCount > 0); oldTex->RefCount--; deleteFlag = (oldTex->RefCount == 0); - _glthread_UNLOCK_MUTEX(oldTex->Mutex); + 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); @@ -372,8 +577,8 @@ _mesa_reference_texobj_(struct gl_texture_object **ptr, if (tex) { /* reference new texture */ - ASSERT(valid_texture_object(tex)); - _glthread_LOCK_MUTEX(tex->Mutex); + assert(valid_texture_object(tex)); + mtx_lock(&tex->Mutex); if (tex->RefCount == 0) { /* this texture's being deleted (look just above) */ /* Not sure this can every really happen. Warn if it does. */ @@ -384,7 +589,7 @@ _mesa_reference_texobj_(struct gl_texture_object **ptr, tex->RefCount++; *ptr = tex; } - _glthread_UNLOCK_MUTEX(tex->Mutex); + mtx_unlock(&tex->Mutex); } } @@ -495,6 +700,14 @@ _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). */ @@ -510,13 +723,15 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, case GL_TEXTURE_3D: maxLevels = ctx->Const.Max3DTextureLevels; break; - case GL_TEXTURE_CUBE_MAP_ARB: + case GL_TEXTURE_CUBE_MAP: case GL_TEXTURE_CUBE_MAP_ARRAY: maxLevels = ctx->Const.MaxCubeTextureLevels; break; case GL_TEXTURE_RECTANGLE_NV: case GL_TEXTURE_BUFFER: case GL_TEXTURE_EXTERNAL_OES: + case GL_TEXTURE_2D_MULTISAMPLE: + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: maxLevels = 1; /* no mipmapping */ break; default: @@ -524,14 +739,22 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, return; } - ASSERT(maxLevels > 0); + assert(maxLevels > 0); + + t->_MaxLevel = MIN3(t->MaxLevel, + /* 'p' in the GL spec */ + (int) (baseLevel + baseImage->MaxNumLevels - 1), + /* 'q' in the GL spec */ + maxLevels - 1); - t->_MaxLevel = - baseLevel + baseImage->MaxNumLevels - 1; /* 'p' in the GL spec */ - t->_MaxLevel = MIN2(t->_MaxLevel, t->MaxLevel); - t->_MaxLevel = MIN2(t->_MaxLevel, maxLevels - 1); /* 'q' in the GL spec */ + if (t->Immutable) { + /* Adjust max level for views: the data store may have more levels than + * the view exposes. + */ + t->_MaxLevel = MIN2(t->_MaxLevel, t->NumLevels - 1); + } - /* Compute _MaxLambda = q - b (see the 1.2 spec) used during mipmapping */ + /* Compute _MaxLambda = q - p in the spec used during mipmapping */ t->_MaxLambda = (GLfloat) (t->_MaxLevel - baseLevel); if (t->Immutable) { @@ -543,8 +766,9 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, return; } - if (t->Target == GL_TEXTURE_CUBE_MAP_ARB) { - /* Make sure that all six cube map level 0 images are the same size. + if (t->Target == GL_TEXTURE_CUBE_MAP) { + /* Make sure that all six cube map level 0 images are the same size and + * format. * Note: we know that the image's width==height (we enforce that * at glTexImage time) so we only need to test the width here. */ @@ -559,6 +783,15 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, incomplete(t, BASE, "Cube face missing or mismatched size"); return; } + if (t->Image[face][baseLevel]->InternalFormat != + baseImage->InternalFormat) { + incomplete(t, BASE, "Cube face format mismatch"); + return; + } + if (t->Image[face][baseLevel]->Border != baseImage->Border) { + incomplete(t, BASE, "Cube face border size mismatch"); + return; + } } } @@ -585,7 +818,9 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, height = baseImage->Height2; depth = baseImage->Depth2; - /* Note: this loop will be a no-op for RECT, BUFFER, EXTERNAL textures */ + /* Note: this loop will be a no-op for RECT, BUFFER, EXTERNAL, + * MULTISAMPLE and MULTISAMPLE_ARRAY textures + */ for (i = baseLevel + 1; i < maxLevels; i++) { /* Compute the expected size of image at level[i] */ if (width > 1) { @@ -594,7 +829,8 @@ _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; } @@ -607,7 +843,7 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx, incomplete(t, MIPMAP, "TexImage[%d] is missing", i); return; } - if (img->TexFormat != baseImage->TexFormat) { + if (img->InternalFormat != baseImage->InternalFormat) { incomplete(t, MIPMAP, "Format[i] != Format[baseLevel]"); return; } @@ -616,30 +852,23 @@ _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 || - img->Height2 != t->Image[0][i]->Height2) { - incomplete(t, MIPMAP, "CubeMap Image[n][i] bad size"); - return; - } - } } } - + if (width == 1 && height == 1 && depth == 1) { return; /* found smallest needed mipmap, all done! */ } @@ -648,25 +877,21 @@ _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) @@ -674,7 +899,7 @@ _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 || @@ -685,23 +910,29 @@ _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 - * and optionally forces the context to re-validate its state. + * and forces the context to re-validate its state. * * \param ctx GL context. * \param texObj texture object. - * \param invalidate_state also invalidate context state. */ void -_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj, - GLboolean invalidate_state) +_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj) { texObj->_BaseComplete = GL_FALSE; texObj->_MipmapComplete = GL_FALSE; - if (invalidate_state) - ctx->NewState |= _NEW_TEXTURE; + ctx->NewState |= _NEW_TEXTURE; } @@ -716,18 +947,21 @@ _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex) { if (!ctx->Shared->FallbackTex[tex]) { /* create fallback texture now */ - const GLsizei width = 1, height = 1, depth = 1; - GLubyte texel[4]; + const GLsizei width = 1, height = 1; + GLsizei depth = 1; + GLubyte texel[24]; struct gl_texture_object *texObj; struct gl_texture_image *texImage; - gl_format texFormat; + mesa_format texFormat; GLuint dims, face, numFaces = 1; GLenum target; - texel[0] = - texel[1] = - texel[2] = 0x0; - texel[3] = 0xff; + for (face = 0; face < 6; face++) { + texel[4*face + 0] = + texel[4*face + 1] = + texel[4*face + 2] = 0x0; + texel[4*face + 3] = 0xff; + } switch (tex) { case TEXTURE_2D_ARRAY_INDEX: @@ -763,14 +997,23 @@ _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex) dims = 0; target = GL_TEXTURE_BUFFER; break; - case TEXTURE_CUBE_ARRAY_INDEX: + case TEXTURE_CUBE_ARRAY_INDEX: dims = 3; target = GL_TEXTURE_CUBE_MAP_ARRAY; + depth = 6; break; case TEXTURE_EXTERNAL_INDEX: dims = 2; target = GL_TEXTURE_EXTERNAL_OES; break; + case TEXTURE_2D_MULTISAMPLE_INDEX: + dims = 2; + target = GL_TEXTURE_2D_MULTISAMPLE; + break; + case TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: + dims = 3; + target = GL_TEXTURE_2D_MULTISAMPLE_ARRAY; + break; default: /* no-op */ return NULL; @@ -791,12 +1034,7 @@ _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex) /* need a loop here just for cube maps */ for (face = 0; face < numFaces; face++) { - GLenum faceTarget; - - if (target == GL_TEXTURE_CUBE_MAP) - faceTarget = GL_TEXTURE_CUBE_MAP_POSITIVE_X + face; - else - faceTarget = target; + const GLenum faceTarget = _mesa_cube_face_target(target, face); /* initialize level[0] texture image */ texImage = _mesa_get_tex_image(ctx, texObj, faceTarget, 0); @@ -857,6 +1095,8 @@ count_tex_size(GLuint key, void *data, void *userData) (const struct gl_texture_object *) data; GLuint *total = (GLuint *) userData; + (void) key; + *total = *total + texture_size(texObj); } @@ -880,6 +1120,21 @@ _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) @@ -933,36 +1188,26 @@ invalidate_tex_image_error_check(struct gl_context *ctx, GLuint texture, return t; } -/*@}*/ - - -/***********************************************************************/ -/** \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(). - * - * 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. + * \param target either 0 or a valid / error-checked texture target enum + */ +static void +create_textures(struct gl_context *ctx, GLenum target, + GLsizei n, GLuint *textures, const char *caller) { - GET_CURRENT_CONTEXT(ctx); GLuint first; GLint i; - ASSERT_OUTSIDE_BEGIN_END(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "%s %d\n", caller, n); if (n < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glGenTextures" ); + _mesa_error(ctx, GL_INVALID_VALUE, "%s(n < 0)", caller); return; } @@ -972,7 +1217,7 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) /* * This must be atomic (generation and allocation of texture IDs) */ - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); + _mesa_HashLockMutex(ctx->Shared->TexObjects); first = _mesa_HashFindFreeKeyBlock(ctx->Shared->TexObjects, n); @@ -980,23 +1225,81 @@ _mesa_GenTextures( GLsizei n, GLuint *textures ) for (i = 0; i < n; i++) { struct gl_texture_object *texObj; GLuint name = first + i; - GLenum target = 0; texObj = ctx->Driver.NewTextureObject(ctx, name, target); if (!texObj) { - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); - _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures"); + _mesa_HashUnlockMutex(ctx->Shared->TexObjects); + _mesa_error(ctx, GL_OUT_OF_MEMORY, "gl%sTextures", caller); return; } /* insert into hash table */ - _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj); + _mesa_HashInsertLocked(ctx->Shared->TexObjects, texObj->Name, texObj); textures[i] = name; } - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); + _mesa_HashUnlockMutex(ctx->Shared->TexObjects); } +/*@}*/ + + +/***********************************************************************/ +/** \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, "glGenTextures"); +} + +/** + * 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, "glCreateTextures"); +} /** * Check if the given texture object is bound to the current draw or @@ -1006,23 +1309,35 @@ static void unbind_texobj_from_fbo(struct gl_context *ctx, struct gl_texture_object *texObj) { - const GLuint n = (ctx->DrawBuffer == ctx->ReadBuffer) ? 1 : 2; - GLuint i; + bool progress = false; - for (i = 0; i < n; i++) { - struct gl_framebuffer *fb = (i == 0) ? ctx->DrawBuffer : ctx->ReadBuffer; - if (_mesa_is_user_fbo(fb)) { - GLuint j; - for (j = 0; j < BUFFER_COUNT; j++) { - if (fb->Attachment[j].Type == GL_TEXTURE && - fb->Attachment[j].Texture == texObj) { - /* Vertices are already flushed by _mesa_DeleteTextures */ - ctx->NewState |= _NEW_BUFFERS; - _mesa_remove_attachment(ctx, fb->Attachment + j); - } - } - } + /* Section 4.4.2 (Attaching Images to Framebuffer Objects), subsection + * "Attaching Texture Images to a Framebuffer," of the OpenGL 3.1 spec + * says: + * + * "If a texture object is deleted while its image is attached to one + * or more attachment points in the currently bound framebuffer, then + * it is as if FramebufferTexture* had been called, with a texture of + * zero, for each attachment point to which this image was attached in + * the currently bound framebuffer. In other words, this texture image + * is first detached from all attachment points in the currently bound + * framebuffer. Note that the texture image is specifically not + * detached from any other framebuffer objects. Detaching the texture + * image from any other framebuffer objects is the responsibility of + * the application." + */ + if (_mesa_is_user_fbo(ctx->DrawBuffer)) { + progress = _mesa_detach_renderbuffer(ctx, ctx->DrawBuffer, texObj); + } + if (_mesa_is_user_fbo(ctx->ReadBuffer) + && ctx->ReadBuffer != ctx->DrawBuffer) { + progress = _mesa_detach_renderbuffer(ctx, ctx->ReadBuffer, texObj) + || progress; } + + if (progress) + /* Vertices are already flushed by _mesa_DeleteTextures */ + ctx->NewState |= _NEW_BUFFERS; } @@ -1034,22 +1349,74 @@ static void unbind_texobj_from_texunits(struct gl_context *ctx, struct gl_texture_object *texObj) { - GLuint u, tex; + const gl_texture_index index = texObj->TargetIndex; + GLuint u; + + if (texObj->Target == 0) { + /* texture was never bound */ + return; + } + + assert(index < NUM_TEXTURE_TARGETS); - for (u = 0; u < Elements(ctx->Texture.Unit); u++) { + for (u = 0; u < ctx->Texture.NumCurrentTexUsed; u++) { struct gl_texture_unit *unit = &ctx->Texture.Unit[u]; - for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) { - if (texObj == unit->CurrentTex[tex]) { - _mesa_reference_texobj(&unit->CurrentTex[tex], - ctx->Shared->DefaultTex[tex]); - ASSERT(unit->CurrentTex[tex]); - break; - } + + if (texObj == unit->CurrentTex[index]) { + /* Bind the default texture for this unit/target */ + _mesa_reference_texobj(&unit->CurrentTex[index], + ctx->Shared->DefaultTex[index]); + unit->_BoundTextures &= ~(1 << index); + } + } +} + + +/** + * Check if the given texture object is bound to any shader image unit + * and unbind it if that's the case. + */ +static void +unbind_texobj_from_image_units(struct gl_context *ctx, + struct gl_texture_object *texObj) +{ + GLuint i; + + for (i = 0; i < ctx->Const.MaxImageUnits; i++) { + struct gl_image_unit *unit = &ctx->ImageUnits[i]; + + if (texObj == unit->TexObj) { + _mesa_reference_texobj(&unit->TexObj, NULL); + *unit = _mesa_default_image_unit(ctx); } } } +/** + * Unbinds all textures bound to the given texture image unit. + */ +static void +unbind_textures_from_unit(struct gl_context *ctx, GLuint unit) +{ + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; + + while (texUnit->_BoundTextures) { + const GLuint index = ffs(texUnit->_BoundTextures) - 1; + struct gl_texture_object *texObj = ctx->Shared->DefaultTex[index]; + + _mesa_reference_texobj(&texUnit->CurrentTex[index], texObj); + + /* Pass BindTexture call to device driver */ + if (ctx->Driver.BindTexture) + ctx->Driver.BindTexture(ctx, unit, 0, texObj); + + texUnit->_BoundTextures &= ~(1 << index); + ctx->NewState |= _NEW_TEXTURE; + } +} + + /** * Delete named textures. * @@ -1069,7 +1436,21 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) { GET_CURRENT_CONTEXT(ctx); GLint i; - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); /* too complex */ + + 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; @@ -1093,6 +1474,12 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) */ unbind_texobj_from_texunits(ctx, delObj); + /* 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, delObj); + _mesa_unlock_texture(ctx, delObj); ctx->NewState |= _NEW_TEXTURE; @@ -1100,9 +1487,7 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) /* The texture _name_ is now free for re-use. * Remove it from the hash table now. */ - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name); - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); /* Unreference the texobj. If refcount hits zero, the texture * will be deleted. @@ -1113,6 +1498,47 @@ _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 @@ -1120,8 +1546,8 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures) * Note that proxy targets are not valid here. * \return TEXTURE_x_INDEX or -1 if target is invalid */ -static GLint -target_enum_to_index(struct gl_context *ctx, GLenum target) +int +_mesa_tex_target_to_index(const struct gl_context *ctx, GLenum target) { switch (target) { case GL_TEXTURE_1D: @@ -1129,33 +1555,37 @@ target_enum_to_index(struct gl_context *ctx, GLenum target) case GL_TEXTURE_2D: return TEXTURE_2D_INDEX; case GL_TEXTURE_3D: - return TEXTURE_3D_INDEX; - case GL_TEXTURE_CUBE_MAP_ARB: + return ctx->API != API_OPENGLES ? TEXTURE_3D_INDEX : -1; + case GL_TEXTURE_CUBE_MAP: return ctx->Extensions.ARB_texture_cube_map ? TEXTURE_CUBE_INDEX : -1; - case GL_TEXTURE_RECTANGLE_NV: + case GL_TEXTURE_RECTANGLE: return _mesa_is_desktop_gl(ctx) && ctx->Extensions.NV_texture_rectangle ? TEXTURE_RECT_INDEX : -1; - case GL_TEXTURE_1D_ARRAY_EXT: - return _mesa_is_desktop_gl(ctx) - && (ctx->Extensions.EXT_texture_array - || ctx->Extensions.MESA_texture_array) + case GL_TEXTURE_1D_ARRAY: + return _mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array ? TEXTURE_1D_ARRAY_INDEX : -1; - case GL_TEXTURE_2D_ARRAY_EXT: - return (_mesa_is_desktop_gl(ctx) - && (ctx->Extensions.EXT_texture_array - || ctx->Extensions.MESA_texture_array)) + case GL_TEXTURE_2D_ARRAY: + return (_mesa_is_desktop_gl(ctx) && ctx->Extensions.EXT_texture_array) || _mesa_is_gles3(ctx) ? TEXTURE_2D_ARRAY_INDEX : -1; - case GL_TEXTURE_BUFFER_ARB: - return ctx->API == API_OPENGL_CORE && - ctx->Extensions.ARB_texture_buffer_object ? + case GL_TEXTURE_BUFFER: + return (_mesa_has_ARB_texture_buffer_object(ctx) || + _mesa_has_OES_texture_buffer(ctx)) ? TEXTURE_BUFFER_INDEX : -1; case GL_TEXTURE_EXTERNAL_OES: return _mesa_is_gles(ctx) && ctx->Extensions.OES_EGL_image_external ? TEXTURE_EXTERNAL_INDEX : -1; case GL_TEXTURE_CUBE_MAP_ARRAY: - return TEXTURE_CUBE_ARRAY_INDEX; + return _mesa_has_texture_cube_map_array(ctx) + ? TEXTURE_CUBE_ARRAY_INDEX : -1; + case GL_TEXTURE_2D_MULTISAMPLE: + return ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample) || + _mesa_is_gles31(ctx)) ? TEXTURE_2D_MULTISAMPLE_INDEX: -1; + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: + return ((_mesa_is_desktop_gl(ctx) && ctx->Extensions.ARB_texture_multisample) || + _mesa_is_gles31(ctx)) + ? TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX: -1; default: return -1; } @@ -1163,34 +1593,88 @@ target_enum_to_index(struct gl_context *ctx, GLenum target) /** - * Bind a named texture to a texturing target. - * + * Do actual texture binding. All error checking should have been done prior + * to calling this function. Note that the texture target (1D, 2D, etc) is + * always specified by the texObj->TargetIndex. + * + * \param unit index of texture unit to update + * \param texObj the new texture object (cannot be NULL) + */ +static void +bind_texture(struct gl_context *ctx, + unsigned unit, + struct gl_texture_object *texObj) +{ + struct gl_texture_unit *texUnit; + int targetIndex; + + assert(unit < ARRAY_SIZE(ctx->Texture.Unit)); + texUnit = &ctx->Texture.Unit[unit]; + + assert(texObj); + assert(valid_texture_object(texObj)); + + targetIndex = texObj->TargetIndex; + assert(targetIndex >= 0); + assert(targetIndex < NUM_TEXTURE_TARGETS); + + /* Check if this texture is only used by this context and is already bound. + * If so, just return. For GL_OES_image_external, rebinding the texture + * always must invalidate cached resources. + */ + if (targetIndex != TEXTURE_EXTERNAL_INDEX) { + bool early_out; + mtx_lock(&ctx->Shared->Mutex); + early_out = ((ctx->Shared->RefCount == 1) + && (texObj == texUnit->CurrentTex[targetIndex])); + mtx_unlock(&ctx->Shared->Mutex); + if (early_out) { + return; + } + } + + /* flush before changing binding */ + FLUSH_VERTICES(ctx, _NEW_TEXTURE); + + /* If the refcount on the previously bound texture is decremented to + * zero, it'll be deleted here. + */ + _mesa_reference_texobj(&texUnit->CurrentTex[targetIndex], texObj); + + ctx->Texture.NumCurrentTexUsed = MAX2(ctx->Texture.NumCurrentTexUsed, + unit + 1); + + if (texObj->Name != 0) + texUnit->_BoundTextures |= (1 << targetIndex); + else + texUnit->_BoundTextures &= ~(1 << targetIndex); + + /* Pass BindTexture call to device driver */ + if (ctx->Driver.BindTexture) { + ctx->Driver.BindTexture(ctx, unit, texObj->Target, texObj); + } +} + + +/** + * Implement glBindTexture(). Do error checking, look-up or create a new + * texture object, then bind it in the current texture unit. + * * \param target texture target. * \param texName texture name. - * - * \sa glBindTexture(). - * - * Determines the old texture object bound and returns immediately if rebinding - * the same texture. Get the current texture which is either a default texture - * if name is null, a named texture from the hash, or a new texture if the - * given texture name is new. Increments its reference count, binds it, and - * calls dd_function_table::BindTexture. Decrements the old texture reference - * count and deletes it if it reaches zero. */ void GLAPIENTRY _mesa_BindTexture( GLenum target, GLuint texName ) { GET_CURRENT_CONTEXT(ctx); - struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx); struct gl_texture_object *newTexObj = NULL; GLint targetIndex; - ASSERT_OUTSIDE_BEGIN_END(ctx); if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) _mesa_debug(ctx, "glBindTexture %s %d\n", - _mesa_lookup_enum_by_nr(target), (GLint) texName); + _mesa_enum_to_string(target), (GLint) texName); - targetIndex = target_enum_to_index(ctx, target); + targetIndex = _mesa_tex_target_to_index(ctx, target); if (targetIndex < 0) { _mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target)"); return; @@ -1210,7 +1694,9 @@ _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; @@ -1221,7 +1707,8 @@ _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; } @@ -1233,54 +1720,169 @@ _mesa_BindTexture( GLenum target, GLuint texName ) } /* and insert it into hash table */ - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj); - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); } - newTexObj->Target = target; } - assert(valid_texture_object(newTexObj)); + assert(newTexObj->Target == target); + assert(newTexObj->TargetIndex == targetIndex); - /* Check if this texture is only used by this context and is already bound. - * If so, just return. + bind_texture(ctx, ctx->Texture.CurrentUnit, newTexObj); +} + + +/** + * OpenGL 4.5 / GL_ARB_direct_state_access glBindTextureUnit(). + * + * \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 (unit >= _mesa_max_tex_unit(ctx)) { + _mesa_error(ctx, GL_INVALID_VALUE, "glBindTextureUnit(unit=%u)", unit); + return; + } + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glBindTextureUnit %s %d\n", + _mesa_enum_to_string(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." */ - { - GLboolean early_out; - _glthread_LOCK_MUTEX(ctx->Shared->Mutex); - early_out = ((ctx->Shared->RefCount == 1) - && (newTexObj == texUnit->CurrentTex[targetIndex])); - _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex); - if (early_out) { - return; - } + if (texture == 0) { + unbind_textures_from_unit(ctx, unit); + return; } - /* flush before changing binding */ - FLUSH_VERTICES(ctx, _NEW_TEXTURE); + /* Get the non-default texture object */ + texObj = _mesa_lookup_texture(ctx, texture); - /* Do the actual binding. The refcount on the previously bound - * texture object will be decremented. It'll be deleted if the - * count hits zero. + /* Error checking */ + if (!texObj) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindTextureUnit(non-gen name)"); + return; + } + if (texObj->Target == 0) { + /* Texture object was gen'd but never bound so the target is not set */ + _mesa_error(ctx, GL_INVALID_OPERATION, "glBindTextureUnit(target)"); + return; + } + assert(valid_texture_object(texObj)); + + bind_texture(ctx, unit, texObj); +} + + +/** + * OpenGL 4.4 / GL_ARB_multi_bind glBindTextures(). + */ +void GLAPIENTRY +_mesa_BindTextures(GLuint first, GLsizei count, const GLuint *textures) +{ + GET_CURRENT_CONTEXT(ctx); + GLint i; + + /* The ARB_multi_bind spec says: + * + * "An INVALID_OPERATION error is generated if + + * is greater than the number of texture image units supported + * by the implementation." */ - _mesa_reference_texobj(&texUnit->CurrentTex[targetIndex], newTexObj); - ASSERT(texUnit->CurrentTex[targetIndex]); + if (first + count > ctx->Const.MaxCombinedTextureImageUnits) { + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindTextures(first=%u + count=%d > the value of " + "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS=%u)", + first, count, ctx->Const.MaxCombinedTextureImageUnits); + return; + } - /* Pass BindTexture call to device driver */ - if (ctx->Driver.BindTexture) - ctx->Driver.BindTexture(ctx, target, newTexObj); + if (textures) { + /* Note that the error semantics for multi-bind commands differ from + * those of other GL commands. + * + * The issues section in the ARB_multi_bind spec says: + * + * "(11) Typically, OpenGL specifies that if an error is generated by + * a command, that command has no effect. This is somewhat + * unfortunate for multi-bind commands, because it would require + * a first pass to scan the entire list of bound objects for + * errors and then a second pass to actually perform the + * bindings. Should we have different error semantics? + * + * RESOLVED: Yes. In this specification, when the parameters for + * one of the binding points are invalid, that binding + * point is not updated and an error will be generated. However, + * other binding points in the same command will be updated if + * their parameters are valid and no other error occurs." + */ + + _mesa_begin_texture_lookups(ctx); + + for (i = 0; i < count; i++) { + if (textures[i] != 0) { + struct gl_texture_unit *texUnit = &ctx->Texture.Unit[first + i]; + struct gl_texture_object *current = texUnit->_Current; + struct gl_texture_object *texObj; + + if (current && current->Name == textures[i]) + texObj = current; + else + texObj = _mesa_lookup_texture_locked(ctx, textures[i]); + + if (texObj && texObj->Target != 0) { + bind_texture(ctx, first + i, texObj); + } else { + /* The ARB_multi_bind spec says: + * + * "An INVALID_OPERATION error is generated if any value + * in is not zero or the name of an existing + * texture object (per binding)." + */ + _mesa_error(ctx, GL_INVALID_OPERATION, + "glBindTextures(textures[%d]=%u is not zero " + "or the name of an existing texture object)", + i, textures[i]); + } + } else { + unbind_textures_from_unit(ctx, first + i); + } + } + + _mesa_end_texture_lookups(ctx); + } else { + /* Unbind all textures in the range through +-1 */ + for (i = 0; i < count; i++) + unbind_textures_from_unit(ctx, first + i); + } } /** * 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. */ @@ -1290,7 +1892,11 @@ _mesa_PrioritizeTextures( GLsizei n, const GLuint *texName, { GET_CURRENT_CONTEXT(ctx); GLint i; - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); + + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glPrioritizeTextures %d\n", n); + + FLUSH_VERTICES(ctx, 0); if (n < 0) { _mesa_error( ctx, GL_INVALID_VALUE, "glPrioritizeTextures" ); @@ -1316,13 +1922,14 @@ _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 @@ -1334,6 +1941,9 @@ _mesa_AreTexturesResident(GLsizei n, const GLuint *texName, GLint i; ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glAreTexturesResident %d\n", n); + if (n < 0) { _mesa_error(ctx, GL_INVALID_VALUE, "glAreTexturesResident(n)"); return GL_FALSE; @@ -1355,7 +1965,7 @@ _mesa_AreTexturesResident(GLsizei n, const GLuint *texName, return GL_FALSE; } } - + return allResident; } @@ -1367,7 +1977,7 @@ _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(). @@ -1379,6 +1989,9 @@ _mesa_IsTexture( GLuint texture ) GET_CURRENT_CONTEXT(ctx); ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE); + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glIsTexture %d\n", texture); + if (!texture) return GL_FALSE; @@ -1403,7 +2016,7 @@ _mesa_IsTexture( GLuint texture ) void _mesa_lock_context_textures( struct gl_context *ctx ) { - _glthread_LOCK_MUTEX(ctx->Shared->TexMutex); + mtx_lock(&ctx->Shared->TexMutex); if (ctx->Shared->TextureStateStamp != ctx->TextureStateTimestamp) { ctx->NewState |= _NEW_TEXTURE; @@ -1416,9 +2029,10 @@ void _mesa_unlock_context_textures( struct gl_context *ctx ) { assert(ctx->Shared->TextureStateStamp == ctx->TextureStateTimestamp); - _glthread_UNLOCK_MUTEX(ctx->Shared->TexMutex); + mtx_unlock(&ctx->Shared->TexMutex); } + void GLAPIENTRY _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, @@ -1428,7 +2042,8 @@ _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, struct gl_texture_image *image; GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glInvalidateTexSubImage %d\n", texture); t = invalidate_tex_image_error_check(ctx, texture, level, "glInvalidateTexSubImage"); @@ -1496,6 +2111,7 @@ _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, break; case GL_TEXTURE_2D_ARRAY: case GL_TEXTURE_CUBE_MAP_ARRAY: + case GL_TEXTURE_2D_MULTISAMPLE_ARRAY: xBorder = image->Border; yBorder = image->Border; zBorder = 0; @@ -1563,12 +2179,14 @@ _mesa_InvalidateTexSubImage(GLuint texture, GLint level, GLint xoffset, return; } + void GLAPIENTRY _mesa_InvalidateTexImage(GLuint texture, GLint level) { GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END(ctx); + if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) + _mesa_debug(ctx, "glInvalidateTexImage(%d, %d)\n", texture, level); invalidate_tex_image_error_check(ctx, texture, level, "glInvalidateTexImage");