dlls/wined3d/sampler.c

   1 /*
   2  * Copyright 2012, 2015 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include "config.h"
  21 #include "wine/port.h"
  22
  23 #include "wined3d_private.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  26
  27 ULONG CDECL wined3d_sampler_incref(struct wined3d_sampler *sampler)
  28 {
  29     ULONG refcount = InterlockedIncrement(&sampler->refcount);
  30
  31     TRACE("%p increasing refcount to %u.\n", sampler, refcount);
  32
  33     return refcount;
  34 }
  35
  36 ULONG CDECL wined3d_sampler_decref(struct wined3d_sampler *sampler)
  37 {
  38     ULONG refcount = InterlockedDecrement(&sampler->refcount);
  39     const struct wined3d_gl_info *gl_info;
  40     struct wined3d_context *context;
  41
  42     TRACE("%p decreasing refcount to %u.\n", sampler, refcount);
  43
  44     if (!refcount)
  45     {
  46         context = context_acquire(sampler->device, NULL);
  47         gl_info = context->gl_info;
  48         GL_EXTCALL(glDeleteSamplers(1, &sampler->name));
  49         context_release(context);
  50
  51         HeapFree(GetProcessHeap(), 0, sampler);
  52     }
  53
  54     return refcount;
  55 }
  56
  57 void * CDECL wined3d_sampler_get_parent(const struct wined3d_sampler *sampler)
  58 {
  59     TRACE("sampler %p.\n", sampler);
  60
  61     return sampler->parent;
  62 }
  63
  64 static void wined3d_sampler_init(struct wined3d_sampler *sampler, struct wined3d_device *device,
  65         const struct wined3d_sampler_desc *desc, void *parent)
  66 {
  67     const struct wined3d_gl_info *gl_info;
  68     struct wined3d_context *context;
  69
  70     sampler->refcount = 1;
  71     sampler->device = device;
  72     sampler->parent = parent;
  73     sampler->desc = *desc;
  74
  75     context = context_acquire(device, NULL);
  76     gl_info = context->gl_info;
  77
  78     GL_EXTCALL(glGenSamplers(1, &sampler->name));
  79     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_WRAP_S,
  80             gl_info->wrap_lookup[desc->address_u - WINED3D_TADDRESS_WRAP]));
  81     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_WRAP_T,
  82             gl_info->wrap_lookup[desc->address_v - WINED3D_TADDRESS_WRAP]));
  83     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_WRAP_R,
  84             gl_info->wrap_lookup[desc->address_w - WINED3D_TADDRESS_WRAP]));
  85     GL_EXTCALL(glSamplerParameterfv(sampler->name, GL_TEXTURE_BORDER_COLOR, &desc->border_color[0]));
  86     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_MAG_FILTER,
  87             wined3d_gl_mag_filter(desc->mag_filter)));
  88     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_MIN_FILTER,
  89             wined3d_gl_min_mip_filter(desc->min_filter, desc->mip_filter)));
  90     GL_EXTCALL(glSamplerParameterf(sampler->name, GL_TEXTURE_LOD_BIAS, desc->lod_bias));
  91     GL_EXTCALL(glSamplerParameterf(sampler->name, GL_TEXTURE_MIN_LOD, desc->min_lod));
  92     GL_EXTCALL(glSamplerParameterf(sampler->name, GL_TEXTURE_MAX_LOD, desc->max_lod));
  93     if (gl_info->supported[EXT_TEXTURE_FILTER_ANISOTROPIC])
  94         GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_MAX_ANISOTROPY_EXT, desc->max_anisotropy));
  95     if (desc->compare)
  96         GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_R_TO_TEXTURE));
  97     GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_COMPARE_FUNC,
  98             wined3d_gl_compare_func(desc->comparison_func)));
  99     if (gl_info->supported[EXT_TEXTURE_SRGB_DECODE] && !desc->srgb_decode)
 100         GL_EXTCALL(glSamplerParameteri(sampler->name, GL_TEXTURE_SRGB_DECODE_EXT, GL_SKIP_DECODE_EXT));
 101     checkGLcall("sampler creation");
 102
 103     TRACE("Created sampler %u.\n", sampler->name);
 104
 105     context_release(context);
 106 }
 107
 108 HRESULT CDECL wined3d_sampler_create(struct wined3d_device *device, const struct wined3d_sampler_desc *desc,
 109         void *parent, struct wined3d_sampler **sampler)
 110 {
 111     struct wined3d_sampler *object;
 112
 113     TRACE("device %p, desc %p, parent %p, sampler %p.\n", device, desc, parent, sampler);
 114
 115     if (!device->adapter->gl_info.supported[ARB_SAMPLER_OBJECTS])
 116         return WINED3DERR_INVALIDCALL;
 117
 118     if (desc->address_u < WINED3D_TADDRESS_WRAP || desc->address_u > WINED3D_TADDRESS_MIRROR_ONCE
 119             || desc->address_v < WINED3D_TADDRESS_WRAP || desc->address_v > WINED3D_TADDRESS_MIRROR_ONCE
 120             || desc->address_w < WINED3D_TADDRESS_WRAP || desc->address_w > WINED3D_TADDRESS_MIRROR_ONCE)
 121         return WINED3DERR_INVALIDCALL;
 122
 123     if (desc->mag_filter < WINED3D_TEXF_POINT || desc->mag_filter > WINED3D_TEXF_LINEAR
 124             || desc->min_filter < WINED3D_TEXF_POINT || desc->min_filter > WINED3D_TEXF_LINEAR
 125             || desc->mip_filter > WINED3D_TEXF_LINEAR)
 126         return WINED3DERR_INVALIDCALL;
 127
 128     if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
 129         return E_OUTOFMEMORY;
 130
 131     wined3d_sampler_init(object, device, desc, parent);
 132
 133     TRACE("Created sampler %p.\n", object);
 134     *sampler = object;
 135
 136     return WINED3D_OK;
 137 }