src/gallium/drivers/r600/r600_screen.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Jerome Glisse
  25  *      Corbin Simpson
  26  */
  27 #include <util/u_inlines.h>
  28 #include <util/u_format.h>
  29 #include <util/u_memory.h>
  30 #include "r600_resource.h"
  31 #include "r600_screen.h"
  32 #include "r600_texture.h"
  33 #include "r600_context.h"
  34 #include "r600_public.h"
  35 #include <stdio.h>
  36
  37 static const char* r600_get_vendor(struct pipe_screen* pscreen)
  38 {
  39         return "X.Org";
  40 }
  41
  42 static const char* r600_get_name(struct pipe_screen* pscreen)
  43 {
  44         return "R600/R700 (HD2XXX,HD3XXX,HD4XXX)";
  45 }
  46
  47 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
  48 {
  49         switch (param) {
  50         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  51         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
  52                 return 16;
  53         case PIPE_CAP_NPOT_TEXTURES:
  54                 return 1;
  55         case PIPE_CAP_TWO_SIDED_STENCIL:
  56                 return 1;
  57         case PIPE_CAP_GLSL:
  58                 return 1;
  59         case PIPE_CAP_DUAL_SOURCE_BLEND:
  60                 return 1;
  61         case PIPE_CAP_ANISOTROPIC_FILTER:
  62                 return 1;
  63         case PIPE_CAP_POINT_SPRITE:
  64                 return 1;
  65         case PIPE_CAP_MAX_RENDER_TARGETS:
  66                 /* FIXME some r6xx are buggy and can only do 4 */
  67                 return 8;
  68         case PIPE_CAP_OCCLUSION_QUERY:
  69                 return 1;
  70         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  71                 return 1;
  72         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  73         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  74         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  75                 /* FIXME not sure here */
  76                 return 13;
  77         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  78                 return 1;
  79         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  80                 return 1;
  81         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  82                 /* FIXME allow this once infrastructure is there */
  83                 return 0;
  84         case PIPE_CAP_TGSI_CONT_SUPPORTED:
  85                 return 0;
  86         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  87                 return 1;
  88         case PIPE_CAP_SM3:
  89                 return 1;
  90         case PIPE_CAP_INDEP_BLEND_ENABLE:
  91                 return 1;
  92         case PIPE_CAP_INDEP_BLEND_FUNC:
  93                 /* FIXME allow this */
  94                 return 0;
  95         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
  96                 return 1;
  97         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
  98         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
  99                 return 1;
 100         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 101         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 102                 return 0;
 103         default:
 104                 debug_printf("r600: unknown param %d\n", param);
 105                 return 0;
 106         }
 107 }
 108
 109 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 110 {
 111         switch (param) {
 112         case PIPE_CAP_MAX_LINE_WIDTH:
 113         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 114         case PIPE_CAP_MAX_POINT_WIDTH:
 115         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 116                 return 8192.0f;
 117         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 118                 return 16.0f;
 119         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 120                 return 16.0f;
 121         default:
 122                 debug_printf("r600: unsupported paramf %d\n", param);
 123                 return 0.0f;
 124         }
 125 }
 126
 127 static boolean r600_is_format_supported(struct pipe_screen* screen,
 128                                         enum pipe_format format,
 129                                         enum pipe_texture_target target,
 130                                         unsigned sample_count,
 131                                         unsigned bindings,
 132                                         unsigned geom_flags)
 133 {
 134         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 135                 debug_printf("r600: unsupported texture type %d\n", target);
 136                 return FALSE;
 137         }
 138         switch (format) {
 139         case PIPE_FORMAT_B4G4R4A4_UNORM:
 140         case PIPE_FORMAT_B5G6R5_UNORM:
 141         case PIPE_FORMAT_B5G5R5A1_UNORM:
 142         case PIPE_FORMAT_A8_UNORM:
 143         case PIPE_FORMAT_L8_UNORM:
 144         case PIPE_FORMAT_A8R8G8B8_SRGB:
 145         case PIPE_FORMAT_R8G8B8A8_SRGB:
 146         case PIPE_FORMAT_DXT1_RGB:
 147         case PIPE_FORMAT_DXT1_RGBA:
 148         case PIPE_FORMAT_DXT3_RGBA:
 149         case PIPE_FORMAT_DXT5_RGBA:
 150         case PIPE_FORMAT_UYVY:
 151         case PIPE_FORMAT_L8_SRGB:
 152         case PIPE_FORMAT_L8A8_SRGB:
 153         case PIPE_FORMAT_L8A8_UNORM:
 154         case PIPE_FORMAT_A8R8G8B8_UNORM:
 155         case PIPE_FORMAT_X8R8G8B8_UNORM:
 156         case PIPE_FORMAT_R8G8B8A8_UNORM:
 157         case PIPE_FORMAT_R8G8B8X8_UNORM:
 158         case PIPE_FORMAT_B8G8R8A8_UNORM:
 159         case PIPE_FORMAT_B8G8R8X8_UNORM:
 160         case PIPE_FORMAT_A8B8G8R8_SRGB:
 161         case PIPE_FORMAT_B8G8R8A8_SRGB:
 162         case PIPE_FORMAT_I8_UNORM:
 163         case PIPE_FORMAT_Z16_UNORM:
 164         case PIPE_FORMAT_X8Z24_UNORM:
 165         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
 166         case PIPE_FORMAT_Z32_UNORM:
 167         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
 168         case PIPE_FORMAT_Z24X8_UNORM:
 169                 return TRUE;
 170         default:
 171                 /* Unknown format... */
 172                 break;
 173         }
 174         return FALSE;
 175 }
 176
 177 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 178                                                 struct pipe_resource *texture,
 179                                                 struct pipe_subresource sr,
 180                                                 unsigned usage,
 181                                                 const struct pipe_box *box)
 182 {
 183         struct r600_texture *rtex = (struct r600_texture*)texture;
 184         struct r600_transfer *trans;
 185
 186         trans = CALLOC_STRUCT(r600_transfer);
 187         if (trans == NULL)
 188                 return NULL;
 189         pipe_resource_reference(&trans->transfer.resource, texture);
 190         trans->transfer.sr = sr;
 191         trans->transfer.usage = usage;
 192         trans->transfer.box = *box;
 193         trans->transfer.stride = rtex->stride[sr.level];
 194         trans->offset = r600_texture_get_offset(rtex, sr.level, box->z, sr.face);
 195         return &trans->transfer;
 196 }
 197
 198 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 199                                    struct pipe_transfer *trans)
 200 {
 201         pipe_resource_reference(&trans->resource, NULL);
 202         FREE(trans);
 203 }
 204
 205 void* r600_texture_transfer_map(struct pipe_context *ctx,
 206                                 struct pipe_transfer* transfer)
 207 {
 208         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 209         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 210         char *map;
 211         enum pipe_format format = rtex->b.b.format;
 212
 213         map = pipe_buffer_map(ctx, rtex->buffer,
 214                               transfer->usage,
 215                               &rtransfer->buffer_transfer);
 216
 217         if (!map) {
 218                 return NULL;
 219         }
 220
 221         return map + rtransfer->offset +
 222                 transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
 223                 transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
 224 }
 225
 226 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 227                                  struct pipe_transfer* transfer)
 228 {
 229         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 230         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 231
 232         pipe_buffer_unmap(ctx, rtex->buffer, rtransfer->buffer_transfer);
 233 }
 234
 235 static void r600_destroy_screen(struct pipe_screen* pscreen)
 236 {
 237         struct r600_screen* rscreen = r600_screen(pscreen);
 238
 239         if (rscreen == NULL)
 240                 return;
 241         FREE(rscreen);
 242 }
 243
 244 struct pipe_screen *r600_screen_create(struct radeon *rw)
 245 {
 246         struct r600_screen* rscreen;
 247
 248         rscreen = CALLOC_STRUCT(r600_screen);
 249         if (rscreen == NULL) {
 250                 return NULL;
 251         }
 252         rscreen->rw = rw;
 253         rscreen->screen.winsys = (struct pipe_winsys*)rw;
 254         rscreen->screen.destroy = r600_destroy_screen;
 255         rscreen->screen.get_name = r600_get_name;
 256         rscreen->screen.get_vendor = r600_get_vendor;
 257         rscreen->screen.get_param = r600_get_param;
 258         rscreen->screen.get_paramf = r600_get_paramf;
 259         rscreen->screen.is_format_supported = r600_is_format_supported;
 260         rscreen->screen.context_create = r600_create_context;
 261         r600_init_screen_texture_functions(&rscreen->screen);
 262         r600_init_screen_resource_functions(rscreen);
 263         return &rscreen->screen;
 264 }