/************************************************************************** * * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include "util/u_memory.h" #include "pipe/p_winsys.h" #include "util/u_string.h" #include "i915_reg.h" #include "i915_context.h" #include "i915_screen.h" #include "i915_texture.h" static const char * i915_get_vendor( struct pipe_screen *pscreen ) { return "Tungsten Graphics, Inc."; } static const char * i915_get_name( struct pipe_screen *pscreen ) { static char buffer[128]; const char *chipset; switch (i915_screen(pscreen)->pci_id) { case PCI_CHIP_I915_G: chipset = "915G"; break; case PCI_CHIP_I915_GM: chipset = "915GM"; break; case PCI_CHIP_I945_G: chipset = "945G"; break; case PCI_CHIP_I945_GM: chipset = "945GM"; break; case PCI_CHIP_I945_GME: chipset = "945GME"; break; case PCI_CHIP_G33_G: chipset = "G33"; break; case PCI_CHIP_Q35_G: chipset = "Q35"; break; case PCI_CHIP_Q33_G: chipset = "Q33"; break; default: chipset = "unknown"; break; } util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset); return buffer; } static int i915_get_param(struct pipe_screen *screen, int param) { switch (param) { case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: return 8; case PIPE_CAP_NPOT_TEXTURES: return 1; case PIPE_CAP_TWO_SIDED_STENCIL: return 1; case PIPE_CAP_GLSL: return 0; case PIPE_CAP_S3TC: return 0; case PIPE_CAP_ANISOTROPIC_FILTER: return 0; case PIPE_CAP_POINT_SPRITE: return 0; case PIPE_CAP_MAX_RENDER_TARGETS: return 1; case PIPE_CAP_OCCLUSION_QUERY: return 0; case PIPE_CAP_TEXTURE_SHADOW_MAP: return 1; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: return 11; /* max 1024x1024 */ case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return 8; /* max 128x128x128 */ case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return 11; /* max 1024x1024 */ default: return 0; } } static float i915_get_paramf(struct pipe_screen *screen, int param) { switch (param) { case PIPE_CAP_MAX_LINE_WIDTH: /* fall-through */ case PIPE_CAP_MAX_LINE_WIDTH_AA: return 7.5; case PIPE_CAP_MAX_POINT_WIDTH: /* fall-through */ case PIPE_CAP_MAX_POINT_WIDTH_AA: return 255.0; case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: return 4.0; case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: return 16.0; default: return 0; } } static boolean i915_is_format_supported( struct pipe_screen *screen, enum pipe_format format, enum pipe_texture_target target, unsigned tex_usage, unsigned geom_flags ) { static const enum pipe_format tex_supported[] = { PIPE_FORMAT_R8G8B8A8_UNORM, PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_FORMAT_R5G6B5_UNORM, PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_A8_UNORM, PIPE_FORMAT_I8_UNORM, PIPE_FORMAT_A8L8_UNORM, PIPE_FORMAT_YCBCR, PIPE_FORMAT_YCBCR_REV, PIPE_FORMAT_S8Z24_UNORM, PIPE_FORMAT_NONE /* list terminator */ }; static const enum pipe_format surface_supported[] = { PIPE_FORMAT_A8R8G8B8_UNORM, PIPE_FORMAT_R5G6B5_UNORM, PIPE_FORMAT_S8Z24_UNORM, /*PIPE_FORMAT_R16G16B16A16_SNORM,*/ PIPE_FORMAT_NONE /* list terminator */ }; const enum pipe_format *list; uint i; if(tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) list = surface_supported; else list = tex_supported; for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) { if (list[i] == format) return TRUE; } return FALSE; } static void i915_destroy_screen( struct pipe_screen *screen ) { struct pipe_winsys *winsys = screen->winsys; if(winsys->destroy) winsys->destroy(winsys); FREE(screen); } static void * i915_surface_map( struct pipe_screen *screen, struct pipe_surface *surface, unsigned flags ) { char *map = screen->winsys->buffer_map( screen->winsys, surface->buffer, flags ); if (map == NULL) return NULL; if (surface->texture && (flags & PIPE_BUFFER_USAGE_CPU_WRITE)) { /* Do something to notify contexts of a texture change. */ /* i915_screen(screen)->timestamp++; */ } return map + surface->offset; } static void i915_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface) { screen->winsys->buffer_unmap( screen->winsys, surface->buffer ); } /** * Create a new i915_screen object */ struct pipe_screen * i915_create_screen(struct pipe_winsys *winsys, uint pci_id) { struct i915_screen *i915screen = CALLOC_STRUCT(i915_screen); if (!i915screen) return NULL; switch (pci_id) { case PCI_CHIP_I915_G: case PCI_CHIP_I915_GM: i915screen->is_i945 = FALSE; break; case PCI_CHIP_I945_G: case PCI_CHIP_I945_GM: case PCI_CHIP_I945_GME: case PCI_CHIP_G33_G: case PCI_CHIP_Q33_G: case PCI_CHIP_Q35_G: i915screen->is_i945 = TRUE; break; default: debug_printf("%s: unknown pci id 0x%x, cannot create screen\n", __FUNCTION__, pci_id); return NULL; } i915screen->pci_id = pci_id; i915screen->screen.winsys = winsys; i915screen->screen.destroy = i915_destroy_screen; i915screen->screen.get_name = i915_get_name; i915screen->screen.get_vendor = i915_get_vendor; i915screen->screen.get_param = i915_get_param; i915screen->screen.get_paramf = i915_get_paramf; i915screen->screen.is_format_supported = i915_is_format_supported; i915screen->screen.surface_map = i915_surface_map; i915screen->screen.surface_unmap = i915_surface_unmap; i915_init_screen_texture_functions(&i915screen->screen); return &i915screen->screen; }