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 <stdio.h>
  35
  36 static const char* r600_get_vendor(struct pipe_screen* pscreen)
  37 {
  38         return "X.Org";
  39 }
  40
  41 static const char* r600_get_name(struct pipe_screen* pscreen)
  42 {
  43         return "R600/R700 (HD2XXX,HD3XXX,HD4XXX)";
  44 }
  45
  46 static int r600_get_param(struct pipe_screen* pscreen, int param)
  47 {
  48         switch (param) {
  49         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  50         case PIPE_CAP_MAX_COMBINED_SAMPLERS:
  51                 return 16;
  52         case PIPE_CAP_NPOT_TEXTURES:
  53                 return 1;
  54         case PIPE_CAP_TWO_SIDED_STENCIL:
  55                 return 1;
  56         case PIPE_CAP_GLSL:
  57                 return 1;
  58         case PIPE_CAP_DUAL_SOURCE_BLEND:
  59                 return 1;
  60         case PIPE_CAP_ANISOTROPIC_FILTER:
  61                 return 1;
  62         case PIPE_CAP_POINT_SPRITE:
  63                 return 1;
  64         case PIPE_CAP_MAX_RENDER_TARGETS:
  65                 /* FIXME some r6xx are buggy and can only do 4 */
  66                 return 8;
  67         case PIPE_CAP_OCCLUSION_QUERY:
  68                 return 1;
  69         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  70                 return 1;
  71         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  72         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  73         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  74                 /* FIXME not sure here */
  75                 return 13;
  76         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  77                 return 1;
  78         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  79                 return 1;
  80         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  81                 /* FIXME allow this once infrastructure is there */
  82                 return 0;
  83         case PIPE_CAP_TGSI_CONT_SUPPORTED:
  84                 return 0;
  85         case PIPE_CAP_BLEND_EQUATION_SEPARATE:
  86                 return 1;
  87         case PIPE_CAP_SM3:
  88                 return 1;
  89         case PIPE_CAP_INDEP_BLEND_ENABLE:
  90                 return 1;
  91         case PIPE_CAP_INDEP_BLEND_FUNC:
  92                 /* FIXME allow this */
  93                 return 0;
  94         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
  95         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
  96                 return 1;
  97         case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
  98         case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
  99                 return 0;
 100         default:
 101                 debug_printf("r600: unknown param %d\n", param);
 102                 return 0;
 103         }
 104 }
 105
 106 static float r600_get_paramf(struct pipe_screen* pscreen, int param)
 107 {
 108         switch (param) {
 109         case PIPE_CAP_MAX_LINE_WIDTH:
 110         case PIPE_CAP_MAX_LINE_WIDTH_AA:
 111         case PIPE_CAP_MAX_POINT_WIDTH:
 112         case PIPE_CAP_MAX_POINT_WIDTH_AA:
 113                 return 8192.0f;
 114         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 115                 return 16.0f;
 116         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 117                 return 16.0f;
 118         default:
 119                 debug_printf("r600: unsupported paramf %d\n", param);
 120                 return 0.0f;
 121         }
 122 }
 123
 124 static boolean r600_is_format_supported(struct pipe_screen* screen,
 125                                         enum pipe_format format,
 126                                         enum pipe_texture_target target,
 127                                         unsigned usage,
 128                                         unsigned geom_flags)
 129 {
 130         if (target >= PIPE_MAX_TEXTURE_TYPES) {
 131                 debug_printf("r600: unsupported texture type %d\n", target);
 132                 return FALSE;
 133         }
 134         switch (format) {
 135         case PIPE_FORMAT_B4G4R4A4_UNORM:
 136         case PIPE_FORMAT_B5G6R5_UNORM:
 137         case PIPE_FORMAT_B5G5R5A1_UNORM:
 138         case PIPE_FORMAT_A8_UNORM:
 139         case PIPE_FORMAT_L8_UNORM:
 140         case PIPE_FORMAT_A8R8G8B8_SRGB:
 141         case PIPE_FORMAT_R8G8B8A8_SRGB:
 142         case PIPE_FORMAT_DXT1_RGB:
 143         case PIPE_FORMAT_DXT1_RGBA:
 144         case PIPE_FORMAT_DXT3_RGBA:
 145         case PIPE_FORMAT_DXT5_RGBA:
 146         case PIPE_FORMAT_UYVY:
 147         case PIPE_FORMAT_L8_SRGB:
 148         case PIPE_FORMAT_L8A8_SRGB:
 149         case PIPE_FORMAT_L8A8_UNORM:
 150         case PIPE_FORMAT_A8R8G8B8_UNORM:
 151         case PIPE_FORMAT_X8R8G8B8_UNORM:
 152         case PIPE_FORMAT_R8G8B8A8_UNORM:
 153         case PIPE_FORMAT_R8G8B8X8_UNORM:
 154         case PIPE_FORMAT_B8G8R8A8_UNORM:
 155         case PIPE_FORMAT_B8G8R8X8_UNORM:
 156         case PIPE_FORMAT_A8B8G8R8_SRGB:
 157         case PIPE_FORMAT_B8G8R8A8_SRGB:
 158         case PIPE_FORMAT_I8_UNORM:
 159         case PIPE_FORMAT_Z16_UNORM:
 160         case PIPE_FORMAT_X8Z24_UNORM:
 161         case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
 162         case PIPE_FORMAT_Z32_UNORM:
 163         case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
 164         case PIPE_FORMAT_Z24X8_UNORM:
 165                 return TRUE;
 166         default:
 167                 /* Unknown format... */
 168                 break;
 169         }
 170         return FALSE;
 171 }
 172
 173 struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 174                                                 struct pipe_resource *texture,
 175                                                 struct pipe_subresource sr,
 176                                                 unsigned usage,
 177                                                 const struct pipe_box *box)
 178 {
 179         struct r600_texture *rtex = (struct r600_texture*)texture;
 180         struct r600_transfer *trans;
 181
 182         trans = CALLOC_STRUCT(r600_transfer);
 183         if (trans == NULL)
 184                 return NULL;
 185         pipe_resource_reference(&trans->transfer.resource, texture);
 186         trans->transfer.sr = sr;
 187         trans->transfer.usage = usage;
 188         trans->transfer.box = *box;
 189         trans->transfer.stride = rtex->stride[sr.level];
 190         trans->offset = r600_texture_get_offset(rtex, sr.level, box->z, sr.face);
 191         return &trans->transfer;
 192 }
 193
 194 void r600_texture_transfer_destroy(struct pipe_context *ctx,
 195                                    struct pipe_transfer *trans)
 196 {
 197         pipe_resource_reference(&trans->resource, NULL);
 198         FREE(trans);
 199 }
 200
 201 void* r600_texture_transfer_map(struct pipe_context *ctx,
 202                                 struct pipe_transfer* transfer)
 203 {
 204         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 205         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 206         char *map;
 207         enum pipe_format format = rtex->b.b.format;
 208
 209         map = pipe_buffer_map(ctx, rtex->buffer,
 210                               transfer->usage,
 211                               &rtransfer->buffer_transfer);
 212
 213         if (!map) {
 214                 return NULL;
 215         }
 216
 217         return map + rtransfer->offset +
 218                 transfer->box.y / util_format_get_blockheight(format) * transfer->stride +
 219                 transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
 220 }
 221
 222 void r600_texture_transfer_unmap(struct pipe_context *ctx,
 223                                  struct pipe_transfer* transfer)
 224 {
 225         struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
 226         struct r600_texture *rtex = (struct r600_texture*)transfer->resource;
 227
 228         pipe_buffer_unmap(ctx, rtex->buffer, rtransfer->buffer_transfer);
 229 }
 230
 231 static void r600_destroy_screen(struct pipe_screen* pscreen)
 232 {
 233         struct r600_screen* rscreen = r600_screen(pscreen);
 234
 235         if (rscreen == NULL)
 236                 return;
 237         FREE(rscreen);
 238 }
 239
 240 struct pipe_screen *radeon_create_screen(struct radeon *rw)
 241 {
 242         struct r600_screen* rscreen;
 243
 244         rscreen = CALLOC_STRUCT(r600_screen);
 245         if (rscreen == NULL) {
 246                 return NULL;
 247         }
 248         rscreen->rw = rw;
 249         rscreen->screen.winsys = (struct pipe_winsys*)rw;
 250         rscreen->screen.destroy = r600_destroy_screen;
 251         rscreen->screen.get_name = r600_get_name;
 252         rscreen->screen.get_vendor = r600_get_vendor;
 253         rscreen->screen.get_param = r600_get_param;
 254         rscreen->screen.get_paramf = r600_get_paramf;
 255         rscreen->screen.is_format_supported = r600_is_format_supported;
 256         rscreen->screen.context_create = r600_create_context;
 257         r600_init_screen_texture_functions(&rscreen->screen);
 258         r600_init_screen_resource_functions(rscreen);
 259         return &rscreen->screen;
 260 }