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         struct r600_screen *screen = r600_screen(pscreen);
  45         enum radeon_family family = radeon_get_family(screen->rw);
  46
  47         if (family >= CHIP_R600 && family < CHIP_RV770)
  48                 return "R600 (HD2XXX,HD3XXX)";
  49         else
  50                 return "R700 (HD4XXX)";
  51 }
  52
  53 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
  54 {
  55         switch (param) {
  56         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  57         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
  58                 return 16;
  59         case PIPE_CAP_NPOT_TEXTURES:
  60                 return 1;
  61         case PIPE_CAP_TWO_SIDED_STENCIL:
  62                 return 1;
  63         case PIPE_CAP_GLSL:
  64                 return 1;
  65         case PIPE_CAP_DUAL_SOURCE_BLEND:
  66                 return 1;
  67         case PIPE_CAP_ANISOTROPIC_FILTER:
  68                 return 1;
  69         case PIPE_CAP_POINT_SPRITE:
  70                 return 1;
  71         case PIPE_CAP_MAX_RENDER_TARGETS:
  72                 /* FIXME some r6xx are buggy and can only do 4 */
  73                 return 8;
  74         case PIPE_CAP_OCCLUSION_QUERY:
  75                 return 1;
  76         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  77                 return 1;
  78         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  79         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  80         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  81                 /* FIXME not sure here */
  82                 return 13;
  83         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  84                 return 1;
  85         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  86                 return 1;
  87         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  88                 /* FIXME allow this once infrastructure is there */
  89                 return 0;
  90         case PIPE_CAP_TGSI_CONT_SUPPORTED:
  91                 return 0;
  92         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  93                 return 1;
  94         case PIPE_CAP_SM3:
  95                 return 1;
  96         case PIPE_CAP_INDEP_BLEND_ENABLE:
  97                 return 1;
  98         case PIPE_CAP_INDEP_BLEND_FUNC:
  99                 /* FIXME allow this */
 100                 return 0;
 101         case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 102                 return 1;
 103         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 104         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 105                 return 1;
 106         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 107         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 108                 return 0;
 109         default:
 110                 debug_printf("r600: unknown param %d\n", param);
 111                 return 0;
 112         }
 113 }
 114
 115 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 116 {
 117         switch (param) {
 118         case PIPE_CAP_MAX_LINE_WIDTH:
 119         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 120         case PIPE_CAP_MAX_POINT_WIDTH:
 121         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 122                 return 8192.0f;
 123         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 124                 return 16.0f;
 125         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 126                 return 16.0f;
 127         default:
 128                 debug_printf("r600: unsupported paramf %d\n", param);
 129                 return 0.0f;
 130         }
 131 }
 132
 133 static boolean r600_is_format_supported(struct pipe_screen* screen,
 134                                         enum pipe_format format,
 135                                         enum pipe_texture_target target,
 136                                         unsigned sample_count,
 137                                         unsigned bindings,
 138                                         unsigned geom_flags)
 139 {
 140         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 141                 debug_printf("r600: unsupported texture type %d\n", target);
 142                 return FALSE;
 143         }
 144         switch (format) {
 145         case PIPE_FORMAT_B4G4R4A4_UNORM:
 146         case PIPE_FORMAT_B5G6R5_UNORM:
 147         case PIPE_FORMAT_B5G5R5A1_UNORM:
 148         case PIPE_FORMAT_A8_UNORM:
 149         case PIPE_FORMAT_L8_UNORM:
 150         case PIPE_FORMAT_A8R8G8B8_SRGB:
 151         case PIPE_FORMAT_R8G8B8A8_SRGB:
 152         case PIPE_FORMAT_DXT1_RGB:
 153         case PIPE_FORMAT_DXT1_RGBA:
 154         case PIPE_FORMAT_DXT3_RGBA:
 155         case PIPE_FORMAT_DXT5_RGBA:
 156         case PIPE_FORMAT_UYVY:
 157         case PIPE_FORMAT_L8_SRGB:
 158         case PIPE_FORMAT_L8A8_SRGB:
 159         case PIPE_FORMAT_L8A8_UNORM:
 160         case PIPE_FORMAT_A8R8G8B8_UNORM:
 161         case PIPE_FORMAT_X8R8G8B8_UNORM:
 162         case PIPE_FORMAT_R8G8B8A8_UNORM:
 163         case PIPE_FORMAT_R8G8B8X8_UNORM:
 164         case PIPE_FORMAT_B8G8R8A8_UNORM:
 165         case PIPE_FORMAT_B8G8R8X8_UNORM:
 166         case PIPE_FORMAT_A8B8G8R8_SRGB:
 167         case PIPE_FORMAT_B8G8R8A8_SRGB:
 168         case PIPE_FORMAT_I8_UNORM:
 169         case PIPE_FORMAT_Z16_UNORM:
 170         case PIPE_FORMAT_X8Z24_UNORM:
 171         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
 172         case PIPE_FORMAT_Z32_UNORM:
 173         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
 174         case PIPE_FORMAT_Z24X8_UNORM:
 175                 return TRUE;
 176         default:
 177                 /* Unknown format... */
 178                 break;
 179         }
 180         return FALSE;
 181 }
 182
 183 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 184                                                 struct pipe_resource *texture,
 185                                                 struct pipe_subresource sr,
 186                                                 unsigned usage,
 187                                                 const struct pipe_box *box)
 188 {
 189         struct r600_texture *rtex = (struct r600_texture*)texture;
 190         struct r600_transfer *trans;
 191
 192         trans = CALLOC_STRUCT(r600_transfer);
 193         if (trans == NULL)
 194                 return NULL;
 195         pipe_resource_reference(&trans->transfer.resource, texture);
 196         trans->transfer.sr = sr;
 197         trans->transfer.usage = usage;
 198         trans->transfer.box = *box;
 199         trans->transfer.stride = rtex->stride[sr.level];
 200         trans->offset = r600_texture_get_offset(rtex, sr.level, box->z, sr.face);
 201         return &trans->transfer;
 202 }
 203
 204 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 205                                    struct pipe_transfer *trans)
 206 {
 207         pipe_resource_reference(&trans->resource, NULL);
 208         FREE(trans);
 209 }
 210
 211 void* r600_texture_transfer_map(struct pipe_context *ctx,
 212                                 struct pipe_transfer* transfer)
 213 {
 214         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 215         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 216         char *map;
 217         enum pipe_format format = rtex->b.b.format;
 218
 219         map = pipe_buffer_map(ctx, rtex->buffer,
 220                               transfer->usage,
 221                               &rtransfer->buffer_transfer);
 222
 223         if (!map) {
 224                 return NULL;
 225         }
 226
 227         return map + rtransfer->offset +
 228                 transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
 229                 transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
 230 }
 231
 232 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 233                                  struct pipe_transfer* transfer)
 234 {
 235         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 236         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 237
 238         pipe_buffer_unmap(ctx, rtex->buffer, rtransfer->buffer_transfer);
 239 }
 240
 241 static void r600_destroy_screen(struct pipe_screen* pscreen)
 242 {
 243         struct r600_screen* rscreen = r600_screen(pscreen);
 244
 245         if (rscreen == NULL)
 246                 return;
 247         FREE(rscreen);
 248 }
 249
 250 struct pipe_screen *r600_screen_create(struct radeon *rw)
 251 {
 252         struct r600_screen* rscreen;
 253
 254         rscreen = CALLOC_STRUCT(r600_screen);
 255         if (rscreen == NULL) {
 256                 return NULL;
 257         }
 258         rscreen->rw = rw;
 259         rscreen->screen.winsys = (struct pipe_winsys*)rw;
 260         rscreen->screen.destroy = r600_destroy_screen;
 261         rscreen->screen.get_name = r600_get_name;
 262         rscreen->screen.get_vendor = r600_get_vendor;
 263         rscreen->screen.get_param = r600_get_param;
 264         rscreen->screen.get_paramf = r600_get_paramf;
 265         rscreen->screen.is_format_supported = r600_is_format_supported;
 266         rscreen->screen.context_create = r600_create_context;
 267         r600_init_screen_texture_functions(&rscreen->screen);
 268         r600_init_screen_resource_functions(rscreen);
 269         return &rscreen->screen;
 270 }