diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_screen.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_screen.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c new file mode 100644 index 0000000000..0f12e0667e --- /dev/null +++ b/src/gallium/drivers/cell/ppu/cell_screen.c @@ -0,0 +1,210 @@ +/************************************************************************** + * + * 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/p_defines.h" +#include "pipe/p_screen.h" + +#include "cell/common.h" +#include "cell_context.h" +#include "cell_screen.h" +#include "cell_texture.h" +#include "cell_public.h" + +#include "state_tracker/sw_winsys.h" + + +static const char * +cell_get_vendor(struct pipe_screen *screen) +{ + return "VMware, Inc."; +} + + +static const char * +cell_get_name(struct pipe_screen *screen) +{ + return "Cell"; +} + + +static int +cell_get_param(struct pipe_screen *screen, enum pipe_cap param) +{ + switch (param) { + case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + return CELL_MAX_SAMPLERS; + case PIPE_CAP_MAX_COMBINED_SAMPLERS: + return CELL_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 1; + case PIPE_CAP_OCCLUSION_QUERY: + return 1; + case PIPE_CAP_TIMER_QUERY: + return 0; + case PIPE_CAP_TEXTURE_SHADOW_MAP: + return 10; + case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: + return CELL_MAX_TEXTURE_LEVELS; + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + return 8; /* max 128x128x128 */ + case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: + return CELL_MAX_TEXTURE_LEVELS; + case PIPE_CAP_TEXTURE_MIRROR_REPEAT: + return 1; /* XXX not really true */ + case PIPE_CAP_TEXTURE_MIRROR_CLAMP: + return 0; /* XXX to do */ + case PIPE_CAP_TGSI_CONT_SUPPORTED: + return 1; + case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: + return 1; + case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: + case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: + return 0; + case PIPE_CAP_BLEND_EQUATION_SEPARATE: + return 1; + default: + return 0; + } +} + + +static float +cell_get_paramf(struct pipe_screen *screen, enum pipe_cap 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 0.0; + + case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: + return 16.0; /* arbitrary */ + + default: + return 0; + } +} + + +static boolean +cell_is_format_supported( struct pipe_screen *screen, + enum pipe_format format, + enum pipe_texture_target target, + unsigned sample_count, + unsigned tex_usage, + unsigned geom_flags ) +{ + struct sw_winsys *winsys = cell_screen(screen)->winsys; + + if (sample_count > 1) + return FALSE; + + if (tex_usage & (PIPE_BIND_DISPLAY_TARGET | + PIPE_BIND_SCANOUT | + PIPE_BIND_SHARED)) { + if (!winsys->is_displaytarget_format_supported(winsys, tex_usage, format)) + return FALSE; + } + + /* only a few formats are known to work at this time */ + switch (format) { + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_I8_UNORM: + return TRUE; + default: + return FALSE; + } +} + + +static void +cell_destroy_screen( struct pipe_screen *screen ) +{ + struct cell_screen *sp_screen = cell_screen(screen); + struct sw_winsys *winsys = sp_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 cell_screen) but + * that would be the place to put SPU thread/context info... + */ +struct pipe_screen * +cell_create_screen(struct sw_winsys *winsys) +{ + struct cell_screen *screen = CALLOC_STRUCT(cell_screen); + + if (!screen) + return NULL; + + screen->winsys = winsys; + screen->base.winsys = NULL; + + screen->base.destroy = cell_destroy_screen; + + screen->base.get_name = cell_get_name; + screen->base.get_vendor = cell_get_vendor; + screen->base.get_param = cell_get_param; + screen->base.get_paramf = cell_get_paramf; + screen->base.is_format_supported = cell_is_format_supported; + screen->base.context_create = cell_create_context; + + cell_init_screen_texture_funcs(&screen->base); + + return &screen->base; +} |