Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2009 Maciej Cencora <m.cencora@gmail.com> |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 21 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 22 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 23 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 24 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | */ |
| 27 | |
| 28 | #include "radeon_buffer_objects.h" |
| 29 | |
| 30 | #include "main/imports.h" |
| 31 | #include "main/mtypes.h" |
| 32 | #include "main/bufferobj.h" |
| 33 | |
| 34 | #include "radeon_common.h" |
| 35 | |
| 36 | struct radeon_buffer_object * |
| 37 | get_radeon_buffer_object(struct gl_buffer_object *obj) |
| 38 | { |
| 39 | return (struct radeon_buffer_object *) obj; |
| 40 | } |
| 41 | |
| 42 | static struct gl_buffer_object * |
| 43 | radeonNewBufferObject(GLcontext * ctx, |
| 44 | GLuint name, |
| 45 | GLenum target) |
| 46 | { |
| 47 | struct radeon_buffer_object *obj = CALLOC_STRUCT(radeon_buffer_object); |
| 48 | |
| 49 | _mesa_initialize_buffer_object(&obj->Base, name, target); |
| 50 | |
| 51 | obj->bo = NULL; |
| 52 | |
| 53 | return &obj->Base; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * Called via glDeleteBuffersARB(). |
| 58 | */ |
| 59 | static void |
| 60 | radeonDeleteBufferObject(GLcontext * ctx, |
| 61 | struct gl_buffer_object *obj) |
| 62 | { |
| 63 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 64 | |
| 65 | if (obj->Pointer) { |
| 66 | radeon_bo_unmap(radeon_obj->bo); |
| 67 | } |
| 68 | |
| 69 | if (radeon_obj->bo) { |
| 70 | radeon_bo_unref(radeon_obj->bo); |
| 71 | } |
| 72 | |
| 73 | _mesa_free(radeon_obj); |
| 74 | } |
| 75 | |
| 76 | |
| 77 | /** |
| 78 | * Allocate space for and store data in a buffer object. Any data that was |
| 79 | * previously stored in the buffer object is lost. If data is NULL, |
| 80 | * memory will be allocated, but no copy will occur. |
Brian Paul | 2f6d2a9 | 2009-09-03 09:41:41 -0600 | [diff] [blame] | 81 | * Called via ctx->Driver.BufferData(). |
| 82 | * \return GL_TRUE for success, GL_FALSE if out of memory |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 83 | */ |
Brian Paul | 2f6d2a9 | 2009-09-03 09:41:41 -0600 | [diff] [blame] | 84 | static GLboolean |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 85 | radeonBufferData(GLcontext * ctx, |
| 86 | GLenum target, |
| 87 | GLsizeiptrARB size, |
| 88 | const GLvoid * data, |
| 89 | GLenum usage, |
| 90 | struct gl_buffer_object *obj) |
| 91 | { |
| 92 | radeonContextPtr radeon = RADEON_CONTEXT(ctx); |
| 93 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 94 | |
| 95 | radeon_obj->Base.Size = size; |
| 96 | radeon_obj->Base.Usage = usage; |
| 97 | |
| 98 | if (radeon_obj->bo != NULL) { |
| 99 | radeon_bo_unref(radeon_obj->bo); |
| 100 | radeon_obj->bo = NULL; |
| 101 | } |
| 102 | |
| 103 | if (size != 0) { |
| 104 | radeon_obj->bo = radeon_bo_open(radeon->radeonScreen->bom, |
| 105 | 0, |
| 106 | size, |
| 107 | 32, |
| 108 | RADEON_GEM_DOMAIN_GTT, |
| 109 | 0); |
Alex Deucher | c3380de | 2009-08-17 15:42:19 -0400 | [diff] [blame] | 110 | |
Brian Paul | 2f6d2a9 | 2009-09-03 09:41:41 -0600 | [diff] [blame] | 111 | if (!radeon_obj->bo) |
| 112 | return GL_FALSE; |
| 113 | |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 114 | if (data != NULL) { |
| 115 | radeon_bo_map(radeon_obj->bo, GL_TRUE); |
| 116 | |
| 117 | _mesa_memcpy(radeon_obj->bo->ptr, data, size); |
| 118 | |
| 119 | radeon_bo_unmap(radeon_obj->bo); |
| 120 | } |
| 121 | } |
Brian Paul | 2f6d2a9 | 2009-09-03 09:41:41 -0600 | [diff] [blame] | 122 | return GL_TRUE; |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 123 | } |
| 124 | |
| 125 | /** |
| 126 | * Replace data in a subrange of buffer object. If the data range |
| 127 | * specified by size + offset extends beyond the end of the buffer or |
| 128 | * if data is NULL, no copy is performed. |
| 129 | * Called via glBufferSubDataARB(). |
| 130 | */ |
| 131 | static void |
| 132 | radeonBufferSubData(GLcontext * ctx, |
| 133 | GLenum target, |
| 134 | GLintptrARB offset, |
| 135 | GLsizeiptrARB size, |
| 136 | const GLvoid * data, |
| 137 | struct gl_buffer_object *obj) |
| 138 | { |
| 139 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 140 | |
| 141 | radeon_bo_map(radeon_obj->bo, GL_TRUE); |
| 142 | |
| 143 | _mesa_memcpy(radeon_obj->bo->ptr + offset, data, size); |
| 144 | |
| 145 | radeon_bo_unmap(radeon_obj->bo); |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Called via glGetBufferSubDataARB() |
| 150 | */ |
| 151 | static void |
| 152 | radeonGetBufferSubData(GLcontext * ctx, |
| 153 | GLenum target, |
| 154 | GLintptrARB offset, |
| 155 | GLsizeiptrARB size, |
| 156 | GLvoid * data, |
| 157 | struct gl_buffer_object *obj) |
| 158 | { |
| 159 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 160 | |
| 161 | radeon_bo_map(radeon_obj->bo, GL_FALSE); |
| 162 | |
| 163 | _mesa_memcpy(data, radeon_obj->bo->ptr + offset, size); |
| 164 | |
| 165 | radeon_bo_unmap(radeon_obj->bo); |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Called via glMapBufferARB() |
| 170 | */ |
| 171 | static void * |
| 172 | radeonMapBuffer(GLcontext * ctx, |
| 173 | GLenum target, |
| 174 | GLenum access, |
| 175 | struct gl_buffer_object *obj) |
| 176 | { |
| 177 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 178 | |
| 179 | if (access == GL_WRITE_ONLY_ARB) { |
Maciej Cencora | 8d60c0b | 2009-06-11 16:00:03 +0200 | [diff] [blame] | 180 | ctx->Driver.Flush(ctx); |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 181 | } |
| 182 | |
| 183 | if (radeon_obj->bo == NULL) { |
| 184 | obj->Pointer = NULL; |
| 185 | return NULL; |
| 186 | } |
| 187 | |
| 188 | radeon_bo_map(radeon_obj->bo, access == GL_WRITE_ONLY_ARB); |
| 189 | |
Maciej Cencora | 4916a5a | 2009-09-20 13:54:59 +0200 | [diff] [blame] | 190 | obj->Pointer = radeon_obj->bo->ptr; |
| 191 | obj->Length = obj->Size; |
| 192 | obj->Offset = 0; |
| 193 | |
| 194 | return obj->Pointer; |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 195 | } |
| 196 | |
| 197 | |
| 198 | /** |
| 199 | * Called via glUnmapBufferARB() |
| 200 | */ |
| 201 | static GLboolean |
| 202 | radeonUnmapBuffer(GLcontext * ctx, |
| 203 | GLenum target, |
| 204 | struct gl_buffer_object *obj) |
| 205 | { |
| 206 | struct radeon_buffer_object *radeon_obj = get_radeon_buffer_object(obj); |
| 207 | |
| 208 | if (radeon_obj->bo != NULL) { |
| 209 | radeon_bo_unmap(radeon_obj->bo); |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 210 | } |
| 211 | |
Maciej Cencora | 4916a5a | 2009-09-20 13:54:59 +0200 | [diff] [blame] | 212 | obj->Pointer = NULL; |
| 213 | obj->Offset = 0; |
| 214 | obj->Length = 0; |
| 215 | |
Maciej Cencora | 6bcbeb0 | 2009-07-11 15:00:52 +0200 | [diff] [blame] | 216 | return GL_TRUE; |
| 217 | } |
| 218 | |
| 219 | void |
| 220 | radeonInitBufferObjectFuncs(struct dd_function_table *functions) |
| 221 | { |
| 222 | functions->NewBufferObject = radeonNewBufferObject; |
| 223 | functions->DeleteBuffer = radeonDeleteBufferObject; |
| 224 | functions->BufferData = radeonBufferData; |
| 225 | functions->BufferSubData = radeonBufferSubData; |
| 226 | functions->GetBufferSubData = radeonGetBufferSubData; |
| 227 | functions->MapBuffer = radeonMapBuffer; |
| 228 | functions->UnmapBuffer = radeonUnmapBuffer; |
| 229 | } |