2008-02-26 20:15:14 -07:00
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/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "pipe/p_util.h"
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#include "pipe/p_winsys.h"
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#include "i915_reg.h"
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2008-02-27 15:59:09 +09:00
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#include "i915_context.h"
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2008-02-26 20:15:14 -07:00
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#include "i915_screen.h"
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#include "i915_texture.h"
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static const char *
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i915_get_vendor( struct pipe_screen *pscreen )
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{
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return "Tungsten Graphics, Inc.";
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}
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static const char *
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i915_get_name( struct pipe_screen *pscreen )
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{
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static char buffer[128];
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const char *chipset;
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switch (i915_screen(pscreen)->pci_id) {
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case PCI_CHIP_I915_G:
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chipset = "915G";
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break;
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case PCI_CHIP_I915_GM:
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chipset = "915GM";
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break;
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case PCI_CHIP_I945_G:
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chipset = "945G";
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break;
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case PCI_CHIP_I945_GM:
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chipset = "945GM";
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break;
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case PCI_CHIP_I945_GME:
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chipset = "945GME";
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break;
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case PCI_CHIP_G33_G:
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chipset = "G33";
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break;
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case PCI_CHIP_Q35_G:
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chipset = "Q35";
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break;
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case PCI_CHIP_Q33_G:
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chipset = "Q33";
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break;
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default:
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chipset = "unknown";
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break;
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}
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sprintf(buffer, "i915 (chipset: %s)", chipset);
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return buffer;
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}
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2008-02-27 10:15:37 -07:00
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static int
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i915_get_param(struct pipe_screen *screen, int param)
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{
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switch (param) {
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case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
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return 8;
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case PIPE_CAP_NPOT_TEXTURES:
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return 1;
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case PIPE_CAP_TWO_SIDED_STENCIL:
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return 1;
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case PIPE_CAP_GLSL:
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return 0;
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case PIPE_CAP_S3TC:
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return 0;
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case PIPE_CAP_ANISOTROPIC_FILTER:
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return 0;
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case PIPE_CAP_POINT_SPRITE:
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return 0;
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case PIPE_CAP_MAX_RENDER_TARGETS:
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return 1;
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case PIPE_CAP_OCCLUSION_QUERY:
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return 0;
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case PIPE_CAP_TEXTURE_SHADOW_MAP:
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return 1;
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case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
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return 11; /* max 1024x1024 */
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case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
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return 8; /* max 128x128x128 */
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case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
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return 11; /* max 1024x1024 */
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default:
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return 0;
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}
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}
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static float
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i915_get_paramf(struct pipe_screen *screen, int param)
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{
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switch (param) {
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case PIPE_CAP_MAX_LINE_WIDTH:
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/* fall-through */
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case PIPE_CAP_MAX_LINE_WIDTH_AA:
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return 7.5;
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case PIPE_CAP_MAX_POINT_WIDTH:
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/* fall-through */
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case PIPE_CAP_MAX_POINT_WIDTH_AA:
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return 255.0;
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case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
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return 4.0;
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case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
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return 16.0;
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default:
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return 0;
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}
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}
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2008-02-26 20:15:14 -07:00
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static void
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i915_destroy_screen( struct pipe_screen *screen )
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{
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FREE(screen);
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}
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/**
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* Create a new i915_screen object
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*/
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struct pipe_screen *
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i915_create_screen(struct pipe_winsys *winsys, uint pci_id)
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{
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struct i915_screen *i915screen = CALLOC_STRUCT(i915_screen);
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if (!i915screen)
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return NULL;
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switch (pci_id) {
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case PCI_CHIP_I915_G:
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case PCI_CHIP_I915_GM:
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i915screen->is_i945 = FALSE;
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break;
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case PCI_CHIP_I945_G:
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case PCI_CHIP_I945_GM:
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case PCI_CHIP_I945_GME:
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case PCI_CHIP_G33_G:
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case PCI_CHIP_Q33_G:
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case PCI_CHIP_Q35_G:
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i915screen->is_i945 = TRUE;
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break;
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default:
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winsys->printf(winsys,
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"%s: unknown pci id 0x%x, cannot create screen\n",
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__FUNCTION__, pci_id);
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return NULL;
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}
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i915screen->pci_id = pci_id;
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i915screen->screen.winsys = winsys;
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i915screen->screen.destroy = i915_destroy_screen;
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i915screen->screen.get_name = i915_get_name;
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i915screen->screen.get_vendor = i915_get_vendor;
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2008-02-27 10:15:37 -07:00
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i915screen->screen.get_param = i915_get_param;
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i915screen->screen.get_paramf = i915_get_paramf;
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2008-02-26 20:15:14 -07:00
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i915_init_screen_texture_functions(&i915screen->screen);
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return &i915screen->screen;
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}
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