/************************************************************************** * * 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_format.h" #include "util/u_format_s3tc.h" #include "util/u_video.h" #include "os/os_time.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" #include "draw/draw_context.h" #include "vl/vl_decoder.h" #include "vl/vl_video_buffer.h" #include "state_tracker/sw_winsys.h" #include "tgsi/tgsi_exec.h" #include "sp_texture.h" #include "sp_screen.h" #include "sp_context.h" #include "sp_fence.h" #include "sp_public.h" DEBUG_GET_ONCE_BOOL_OPTION(use_llvm, "SOFTPIPE_USE_LLVM", FALSE) 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, enum pipe_cap param) { switch (param) { case PIPE_CAP_MAX_COMBINED_SAMPLERS: return 2 * PIPE_MAX_SAMPLERS; /* VS + FS */ case PIPE_CAP_NPOT_TEXTURES: return 1; case PIPE_CAP_TWO_SIDED_STENCIL: return 1; case PIPE_CAP_SM3: return 1; case PIPE_CAP_ANISOTROPIC_FILTER: return 1; case PIPE_CAP_POINT_SPRITE: return 1; case PIPE_CAP_MAX_RENDER_TARGETS: return PIPE_MAX_COLOR_BUFS; case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: return 1; case PIPE_CAP_OCCLUSION_QUERY: return 1; case PIPE_CAP_TIMER_QUERY: return 1; case PIPE_CAP_TEXTURE_MIRROR_CLAMP: return 1; case PIPE_CAP_TEXTURE_SHADOW_MAP: return 1; case PIPE_CAP_TEXTURE_SWIZZLE: return 1; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: return SP_MAX_TEXTURE_2D_LEVELS; case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return SP_MAX_TEXTURE_3D_LEVELS; case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return SP_MAX_TEXTURE_CUBE_LEVELS; case PIPE_CAP_BLEND_EQUATION_SEPARATE: return 1; case PIPE_CAP_INDEP_BLEND_ENABLE: return 1; case PIPE_CAP_INDEP_BLEND_FUNC: return 1; case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT: case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER: case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER: return 1; case PIPE_CAP_DEPTH_CLIP_DISABLE: return 0; case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: return PIPE_MAX_SO_BUFFERS; case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: return 16*4; case PIPE_CAP_PRIMITIVE_RESTART: return 1; case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: return 0; case PIPE_CAP_SHADER_STENCIL_EXPORT: return 1; case PIPE_CAP_TGSI_INSTANCEID: case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: return 1; case PIPE_CAP_SEAMLESS_CUBE_MAP: case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: return 0; case PIPE_CAP_SCALED_RESOLVE: return 0; case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: return 256; /* for GL3 */ case PIPE_CAP_MIN_TEXEL_OFFSET: return -8; case PIPE_CAP_MAX_TEXEL_OFFSET: return 7; case PIPE_CAP_CONDITIONAL_RENDER: return 1; case PIPE_CAP_TEXTURE_BARRIER: return 0; case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */ case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */ return 1; case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: return 0; case PIPE_CAP_GLSL_FEATURE_LEVEL: return 130; case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: return 0; case PIPE_CAP_COMPUTE: return 0; case PIPE_CAP_USER_VERTEX_BUFFERS: case PIPE_CAP_USER_INDEX_BUFFERS: case PIPE_CAP_USER_CONSTANT_BUFFERS: return 1; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 16; case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME: case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_START_INSTANCE: return 0; case PIPE_CAP_QUERY_TIMESTAMP: return 1; } /* should only get here on unhandled cases */ debug_printf("Unexpected PIPE_CAP %d query\n", param); return 0; } static int softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param) { struct softpipe_screen *sp_screen = softpipe_screen(screen); switch(shader) { case PIPE_SHADER_FRAGMENT: return tgsi_exec_get_shader_param(param); case PIPE_SHADER_VERTEX: case PIPE_SHADER_GEOMETRY: switch (param) { case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: if (sp_screen->use_llvm) /* Softpipe doesn't yet know how to tell draw/llvm about textures */ return 0; else return PIPE_MAX_SAMPLERS; default: if (sp_screen->use_llvm) return draw_get_shader_param(shader, param); else return draw_get_shader_param_no_llvm(shader, param); } default: return 0; } } static float softpipe_get_paramf(struct pipe_screen *screen, enum pipe_capf param) { switch (param) { case PIPE_CAPF_MAX_LINE_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_LINE_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAPF_MAX_POINT_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_POINT_WIDTH_AA: return 255.0; /* arbitrary */ case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: return 16.0; case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: return 16.0; /* arbitrary */ case PIPE_CAPF_GUARD_BAND_LEFT: case PIPE_CAPF_GUARD_BAND_TOP: case PIPE_CAPF_GUARD_BAND_RIGHT: case PIPE_CAPF_GUARD_BAND_BOTTOM: return 0.0; } /* should only get here on unhandled cases */ debug_printf("Unexpected PIPE_CAPF %d query\n", param); return 0.0; } static int softpipe_get_video_param(struct pipe_screen *screen, enum pipe_video_profile profile, enum pipe_video_cap param) { switch (param) { case PIPE_VIDEO_CAP_SUPPORTED: return vl_profile_supported(screen, profile); case PIPE_VIDEO_CAP_NPOT_TEXTURES: return 0; case PIPE_VIDEO_CAP_MAX_WIDTH: case PIPE_VIDEO_CAP_MAX_HEIGHT: return vl_video_buffer_max_size(screen); case PIPE_VIDEO_CAP_PREFERED_FORMAT: return PIPE_FORMAT_NV12; case PIPE_VIDEO_CAP_PREFERS_INTERLACED: return false; case PIPE_VIDEO_CAP_SUPPORTS_INTERLACED: return false; case PIPE_VIDEO_CAP_SUPPORTS_PROGRESSIVE: return true; 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 sample_count, unsigned bind) { struct sw_winsys *winsys = softpipe_screen(screen)->winsys; const struct util_format_description *format_desc; assert(target == PIPE_BUFFER || target == PIPE_TEXTURE_1D || target == PIPE_TEXTURE_1D_ARRAY || target == PIPE_TEXTURE_2D || target == PIPE_TEXTURE_2D_ARRAY || target == PIPE_TEXTURE_RECT || target == PIPE_TEXTURE_3D || target == PIPE_TEXTURE_CUBE); format_desc = util_format_description(format); if (!format_desc) return FALSE; if (sample_count > 1) return FALSE; if (bind & (PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) { if(!winsys->is_displaytarget_format_supported(winsys, bind, format)) return FALSE; } if (bind & PIPE_BIND_RENDER_TARGET) { if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS) return FALSE; /* * Although possible, it is unnatural to render into compressed or YUV * surfaces. So disable these here to avoid going into weird paths * inside the state trackers. */ if (format_desc->block.width != 1 || format_desc->block.height != 1) return FALSE; } if (bind & PIPE_BIND_DEPTH_STENCIL) { if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS) return FALSE; } /* * All other operations (sampling, transfer, etc). */ if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { return util_format_s3tc_enabled; } /* * Everything else should be supported by u_format. */ return TRUE; } static void softpipe_destroy_screen( struct pipe_screen *screen ) { struct softpipe_screen *sp_screen = softpipe_screen(screen); struct sw_winsys *winsys = sp_screen->winsys; if(winsys->destroy) winsys->destroy(winsys); FREE(screen); } /* This is often overriden by the co-state tracker. */ static void softpipe_flush_frontbuffer(struct pipe_screen *_screen, struct pipe_resource *resource, unsigned level, unsigned layer, void *context_private) { struct softpipe_screen *screen = softpipe_screen(_screen); struct sw_winsys *winsys = screen->winsys; struct softpipe_resource *texture = softpipe_resource(resource); assert(texture->dt); if (texture->dt) winsys->displaytarget_display(winsys, texture->dt, context_private); } static uint64_t softpipe_get_timestamp(struct pipe_screen *_screen) { return os_time_get()*1000; } /** * Create a new pipe_screen object * Note: we're not presently subclassing pipe_screen (no softpipe_screen). */ struct pipe_screen * softpipe_create_screen(struct sw_winsys *winsys) { struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen); if (!screen) return NULL; screen->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_shader_param = softpipe_get_shader_param; screen->base.get_paramf = softpipe_get_paramf; screen->base.get_video_param = softpipe_get_video_param; screen->base.get_timestamp = softpipe_get_timestamp; screen->base.is_format_supported = softpipe_is_format_supported; screen->base.is_video_format_supported = vl_video_buffer_is_format_supported; screen->base.context_create = softpipe_create_context; screen->base.flush_frontbuffer = softpipe_flush_frontbuffer; screen->use_llvm = debug_get_option_use_llvm(); util_format_s3tc_init(); softpipe_init_screen_texture_funcs(&screen->base); softpipe_init_screen_fence_funcs(&screen->base); return &screen->base; }