| /************************************************************************** |
| * |
| * 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_defines.h" |
| #include "pipe/p_screen.h" |
| |
| #include "lp_texture.h" |
| #include "lp_buffer.h" |
| #include "lp_winsys.h" |
| #include "lp_jit.h" |
| #include "lp_screen.h" |
| |
| |
| static const char * |
| llvmpipe_get_vendor(struct pipe_screen *screen) |
| { |
| return "VMware, Inc."; |
| } |
| |
| |
| static const char * |
| llvmpipe_get_name(struct pipe_screen *screen) |
| { |
| return "llvmpipe"; |
| } |
| |
| |
| static int |
| llvmpipe_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_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 |
| llvmpipe_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 |
| llvmpipe_is_format_supported( struct pipe_screen *_screen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned tex_usage, |
| unsigned geom_flags ) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct llvmpipe_winsys *winsys = screen->winsys; |
| |
| assert(target == PIPE_TEXTURE_1D || |
| target == PIPE_TEXTURE_2D || |
| target == PIPE_TEXTURE_3D || |
| target == PIPE_TEXTURE_CUBE); |
| |
| if(format == PIPE_FORMAT_Z16_UNORM) |
| return FALSE; |
| if(format == PIPE_FORMAT_S8_UNORM) |
| return FALSE; |
| |
| switch(format) { |
| case PIPE_FORMAT_DXT1_RGB: |
| case PIPE_FORMAT_DXT1_RGBA: |
| case PIPE_FORMAT_DXT3_RGBA: |
| case PIPE_FORMAT_DXT5_RGBA: |
| return FALSE; |
| default: |
| break; |
| } |
| |
| if(tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) |
| return winsys->is_displaytarget_format_supported(winsys, format); |
| |
| return TRUE; |
| } |
| |
| |
| static struct pipe_buffer * |
| llvmpipe_surface_buffer_create(struct pipe_screen *screen, |
| unsigned width, unsigned height, |
| enum pipe_format format, |
| unsigned tex_usage, |
| unsigned usage, |
| unsigned *stride) |
| { |
| /* This function should never be used */ |
| assert(0); |
| return NULL; |
| } |
| |
| |
| static void |
| llvmpipe_flush_frontbuffer(struct pipe_screen *_screen, |
| struct pipe_surface *surface, |
| void *context_private) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct llvmpipe_winsys *winsys = screen->winsys; |
| struct llvmpipe_texture *texture = llvmpipe_texture(surface->texture); |
| |
| assert(texture->dt); |
| if (texture->dt) |
| winsys->displaytarget_display(winsys, texture->dt, context_private); |
| } |
| |
| |
| static void |
| llvmpipe_destroy_screen( struct pipe_screen *_screen ) |
| { |
| struct llvmpipe_screen *screen = llvmpipe_screen(_screen); |
| struct llvmpipe_winsys *winsys = screen->winsys; |
| |
| lp_jit_screen_cleanup(screen); |
| |
| if(winsys->destroy) |
| winsys->destroy(winsys); |
| |
| FREE(screen); |
| } |
| |
| |
| |
| /** |
| * Create a new pipe_screen object |
| * Note: we're not presently subclassing pipe_screen (no llvmpipe_screen). |
| */ |
| struct pipe_screen * |
| llvmpipe_create_screen(struct llvmpipe_winsys *winsys) |
| { |
| struct llvmpipe_screen *screen = CALLOC_STRUCT(llvmpipe_screen); |
| |
| if (!screen) |
| return NULL; |
| |
| screen->winsys = winsys; |
| |
| screen->base.destroy = llvmpipe_destroy_screen; |
| |
| screen->base.get_name = llvmpipe_get_name; |
| screen->base.get_vendor = llvmpipe_get_vendor; |
| screen->base.get_param = llvmpipe_get_param; |
| screen->base.get_paramf = llvmpipe_get_paramf; |
| screen->base.is_format_supported = llvmpipe_is_format_supported; |
| |
| screen->base.surface_buffer_create = llvmpipe_surface_buffer_create; |
| screen->base.flush_frontbuffer = llvmpipe_flush_frontbuffer; |
| |
| llvmpipe_init_screen_texture_funcs(&screen->base); |
| llvmpipe_init_screen_buffer_funcs(&screen->base); |
| |
| lp_jit_screen_init(screen); |
| |
| return &screen->base; |
| } |