| /************************************************************************** |
| * |
| * 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 "util/u_simple_screen.h" |
| #include "pipe/internal/p_winsys_screen.h" |
| #include "pipe/p_defines.h" |
| #include "pipe/p_screen.h" |
| |
| #include "sp_texture.h" |
| #include "sp_winsys.h" |
| #include "sp_screen.h" |
| |
| |
| static const char * |
| softpipe_get_vendor(struct pipe_screen *screen) |
| { |
| return "VMware, Inc."; |
| } |
| |
| |
| static const char * |
| softpipe_get_name(struct pipe_screen *screen) |
| { |
| return "softpipe"; |
| } |
| |
| |
| static int |
| softpipe_get_param(struct pipe_screen *screen, int param) |
| { |
| switch (param) { |
| case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: |
| return PIPE_MAX_SAMPLERS; |
| case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS: |
| return PIPE_MAX_VERTEX_SAMPLERS; |
| case PIPE_CAP_MAX_COMBINED_SAMPLERS: |
| return PIPE_MAX_SAMPLERS + PIPE_MAX_VERTEX_SAMPLERS; |
| case PIPE_CAP_NPOT_TEXTURES: |
| return 1; |
| case PIPE_CAP_TWO_SIDED_STENCIL: |
| return 1; |
| case PIPE_CAP_GLSL: |
| return 1; |
| case PIPE_CAP_ANISOTROPIC_FILTER: |
| return 0; |
| case PIPE_CAP_POINT_SPRITE: |
| return 1; |
| case PIPE_CAP_MAX_RENDER_TARGETS: |
| return PIPE_MAX_COLOR_BUFS; |
| case PIPE_CAP_OCCLUSION_QUERY: |
| return 1; |
| case PIPE_CAP_TEXTURE_MIRROR_CLAMP: |
| return 1; |
| case PIPE_CAP_TEXTURE_MIRROR_REPEAT: |
| return 1; |
| case PIPE_CAP_TEXTURE_SHADOW_MAP: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: |
| return 13; /* max 4Kx4K */ |
| case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: |
| return 9; /* max 256x256x256 */ |
| case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: |
| return 13; /* max 4Kx4K */ |
| case PIPE_CAP_TGSI_CONT_SUPPORTED: |
| return 1; |
| case PIPE_CAP_BLEND_EQUATION_SEPARATE: |
| return 1; |
| default: |
| return 0; |
| } |
| } |
| |
| |
| static float |
| softpipe_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 255.0; /* arbitrary */ |
| case PIPE_CAP_MAX_POINT_WIDTH: |
| /* fall-through */ |
| case PIPE_CAP_MAX_POINT_WIDTH_AA: |
| return 255.0; /* arbitrary */ |
| case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: |
| return 16.0; /* not actually signficant at this time */ |
| case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: |
| return 16.0; /* arbitrary */ |
| default: |
| return 0; |
| } |
| } |
| |
| |
| /** |
| * Query format support for creating a texture, drawing surface, etc. |
| * \param format the format to test |
| * \param type one of PIPE_TEXTURE, PIPE_SURFACE |
| */ |
| static boolean |
| softpipe_is_format_supported( struct pipe_screen *screen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned tex_usage, |
| unsigned geom_flags ) |
| { |
| assert(target == PIPE_TEXTURE_1D || |
| target == PIPE_TEXTURE_2D || |
| target == PIPE_TEXTURE_3D || |
| target == PIPE_TEXTURE_CUBE); |
| |
| switch(format) { |
| case PIPE_FORMAT_L16_UNORM: |
| case PIPE_FORMAT_YCBCR_REV: |
| case PIPE_FORMAT_YCBCR: |
| case PIPE_FORMAT_DXT1_RGB: |
| case PIPE_FORMAT_DXT1_RGBA: |
| case PIPE_FORMAT_DXT3_RGBA: |
| case PIPE_FORMAT_DXT5_RGBA: |
| case PIPE_FORMAT_Z32_FLOAT: |
| return FALSE; |
| default: |
| return TRUE; |
| } |
| } |
| |
| |
| static void |
| softpipe_destroy_screen( struct pipe_screen *screen ) |
| { |
| struct pipe_winsys *winsys = screen->winsys; |
| |
| if(winsys->destroy) |
| winsys->destroy(winsys); |
| |
| FREE(screen); |
| } |
| |
| |
| |
| /** |
| * Create a new pipe_screen object |
| * Note: we're not presently subclassing pipe_screen (no softpipe_screen). |
| */ |
| struct pipe_screen * |
| softpipe_create_screen(struct pipe_winsys *winsys) |
| { |
| struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen); |
| |
| if (!screen) |
| return NULL; |
| |
| screen->base.winsys = winsys; |
| |
| screen->base.destroy = softpipe_destroy_screen; |
| |
| screen->base.get_name = softpipe_get_name; |
| screen->base.get_vendor = softpipe_get_vendor; |
| screen->base.get_param = softpipe_get_param; |
| screen->base.get_paramf = softpipe_get_paramf; |
| screen->base.is_format_supported = softpipe_is_format_supported; |
| |
| softpipe_init_screen_texture_funcs(&screen->base); |
| u_simple_screen_init(&screen->base); |
| |
| return &screen->base; |
| } |