| 1 | /*
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| 2 | * state block implementation
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| 3 | *
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| 4 | * Copyright 2002 Raphael Junqueira
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| 5 | * Copyright 2004 Jason Edmeades
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| 6 | * Copyright 2005 Oliver Stieber
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| 7 | * Copyright 2007 Stefan Dösinger for CodeWeavers
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| 8 | * Copyright 2009 Henri Verbeet for CodeWeavers
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| 9 | *
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| 10 | * This library is free software; you can redistribute it and/or
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| 11 | * modify it under the terms of the GNU Lesser General Public
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| 12 | * License as published by the Free Software Foundation; either
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| 13 | * version 2.1 of the License, or (at your option) any later version.
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| 14 | *
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| 15 | * This library is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 18 | * Lesser General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU Lesser General Public
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| 21 | * License along with this library; if not, write to the Free Software
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| 22 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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| 23 | */
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| 24 |
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| 25 | /*
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| 26 | * Oracle LGPL Disclaimer: For the avoidance of doubt, except that if any license choice
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| 27 | * other than GPL or LGPL is available it will apply instead, Oracle elects to use only
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| 28 | * the Lesser General Public License version 2.1 (LGPLv2) at this time for any software where
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| 29 | * a choice of LGPL license versions is made available with the language indicating
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| 30 | * that LGPLv2 or any later version may be used, or where a choice of which version
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| 31 | * of the LGPL is applied is otherwise unspecified.
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| 32 | */
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| 33 |
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| 34 | #include "config.h"
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| 35 | #include "wined3d_private.h"
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| 36 |
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| 37 | WINE_DEFAULT_DEBUG_CHANNEL(d3d);
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| 38 |
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| 39 | /* Allocates the correct amount of space for pixel and vertex shader constants,
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| 40 | * along with their set/changed flags on the given stateblock object
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| 41 | */
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| 42 | static HRESULT stateblock_allocate_shader_constants(IWineD3DStateBlockImpl *object)
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| 43 | {
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| 44 | IWineD3DDeviceImpl *device = object->device;
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| 45 |
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| 46 | /* Allocate space for floating point constants */
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| 47 | object->pixelShaderConstantF = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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| 48 | sizeof(float) * device->d3d_pshader_constantF * 4);
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| 49 | if (!object->pixelShaderConstantF) goto fail;
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| 50 |
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| 51 | object->changed.pixelShaderConstantsF = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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| 52 | sizeof(BOOL) * device->d3d_pshader_constantF);
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| 53 | if (!object->changed.pixelShaderConstantsF) goto fail;
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| 54 |
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| 55 | object->vertexShaderConstantF = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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| 56 | sizeof(float) * device->d3d_vshader_constantF * 4);
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| 57 | if (!object->vertexShaderConstantF) goto fail;
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| 58 |
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| 59 | object->changed.vertexShaderConstantsF = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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| 60 | sizeof(BOOL) * device->d3d_vshader_constantF);
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| 61 | if (!object->changed.vertexShaderConstantsF) goto fail;
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| 62 |
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| 63 | object->contained_vs_consts_f = HeapAlloc(GetProcessHeap(), 0,
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| 64 | sizeof(DWORD) * device->d3d_vshader_constantF);
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| 65 | if (!object->contained_vs_consts_f) goto fail;
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| 66 |
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| 67 | object->contained_ps_consts_f = HeapAlloc(GetProcessHeap(), 0,
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| 68 | sizeof(DWORD) * device->d3d_pshader_constantF);
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| 69 | if (!object->contained_ps_consts_f) goto fail;
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| 70 |
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| 71 | return WINED3D_OK;
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| 72 |
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| 73 | fail:
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| 74 | ERR("Failed to allocate memory\n");
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| 75 | HeapFree(GetProcessHeap(), 0, object->pixelShaderConstantF);
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| 76 | HeapFree(GetProcessHeap(), 0, object->changed.pixelShaderConstantsF);
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| 77 | HeapFree(GetProcessHeap(), 0, object->vertexShaderConstantF);
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| 78 | HeapFree(GetProcessHeap(), 0, object->changed.vertexShaderConstantsF);
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| 79 | HeapFree(GetProcessHeap(), 0, object->contained_vs_consts_f);
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| 80 | HeapFree(GetProcessHeap(), 0, object->contained_ps_consts_f);
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| 81 | return E_OUTOFMEMORY;
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| 82 | }
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| 83 |
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| 84 | #if 0 /*unused*/
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| 85 | static inline void stateblock_set_bits(DWORD *map, UINT map_size)
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| 86 | {
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| 87 | DWORD mask = (1 << (map_size & 0x1f)) - 1;
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| 88 | memset(map, 0xff, (map_size >> 5) * sizeof(*map));
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| 89 | if (mask) map[map_size >> 5] = mask;
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| 90 | }
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| 91 | #endif
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| 92 |
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| 93 | HRESULT stateblock_init(IWineD3DStateBlockImpl *stateblock, IWineD3DDeviceImpl *device, WINED3DSTATEBLOCKTYPE type)
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| 94 | {
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| 95 | stateblock->ref = 1;
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| 96 | stateblock->device = device;
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| 97 | stateblock->blockType = type;
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| 98 |
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| 99 | return stateblock_allocate_shader_constants(stateblock);
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| 100 | }
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