diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen.c | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c new file mode 100644 index 0000000000..54d9faeb72 --- /dev/null +++ b/src/gallium/drivers/svga/svga_screen.c @@ -0,0 +1,505 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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_inlines.h" +#include "util/u_string.h" +#include "util/u_math.h" + +#include "svga_winsys.h" +#include "svga_context.h" +#include "svga_screen.h" +#include "svga_resource_texture.h" +#include "svga_resource.h" +#include "svga_debug.h" +#include "svga_surface.h" + +#include "svga3d_shaderdefs.h" + + +#ifdef DEBUG +int SVGA_DEBUG = 0; + +static const struct debug_named_value svga_debug_flags[] = { + { "dma", DEBUG_DMA, NULL }, + { "tgsi", DEBUG_TGSI, NULL }, + { "pipe", DEBUG_PIPE, NULL }, + { "state", DEBUG_STATE, NULL }, + { "screen", DEBUG_SCREEN, NULL }, + { "tex", DEBUG_TEX, NULL }, + { "swtnl", DEBUG_SWTNL, NULL }, + { "const", DEBUG_CONSTS, NULL }, + { "viewport", DEBUG_VIEWPORT, NULL }, + { "views", DEBUG_VIEWS, NULL }, + { "perf", DEBUG_PERF, NULL }, + { "flush", DEBUG_FLUSH, NULL }, + { "sync", DEBUG_SYNC, NULL }, + { "cache", DEBUG_CACHE, NULL }, + DEBUG_NAMED_VALUE_END +}; +#endif + +static const char * +svga_get_vendor( struct pipe_screen *pscreen ) +{ + return "VMware, Inc."; +} + + +static const char * +svga_get_name( struct pipe_screen *pscreen ) +{ +#ifdef DEBUG + /* Only return internal details in the DEBUG version: + */ + return "SVGA3D; build: DEBUG; mutex: " PIPE_ATOMIC; +#else + return "SVGA3D; build: RELEASE; "; +#endif +} + + + + +static float +svga_get_paramf(struct pipe_screen *screen, enum pipe_cap param) +{ + struct svga_screen *svgascreen = svga_screen(screen); + struct svga_winsys_screen *sws = svgascreen->sws; + SVGA3dDevCapResult result; + + switch (param) { + case PIPE_CAP_MAX_LINE_WIDTH: + /* fall-through */ + case PIPE_CAP_MAX_LINE_WIDTH_AA: + return 7.0; + + case PIPE_CAP_MAX_POINT_WIDTH: + /* fall-through */ + case PIPE_CAP_MAX_POINT_WIDTH_AA: + /* Keep this to a reasonable size to avoid failures in + * conform/pntaa.c: + */ + return SVGA_MAX_POINTSIZE; + + case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: + if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY, &result)) + return 4.0; + return result.u; + + case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: + return 16.0; + + case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + return 16; + case PIPE_CAP_MAX_COMBINED_SAMPLERS: + return 16; + case PIPE_CAP_NPOT_TEXTURES: + return 1; + case PIPE_CAP_TWO_SIDED_STENCIL: + return 1; + case PIPE_CAP_GLSL: + return svgascreen->use_ps30 && svgascreen->use_vs30; + case PIPE_CAP_ANISOTROPIC_FILTER: + return 1; + case PIPE_CAP_POINT_SPRITE: + return 1; + case PIPE_CAP_MAX_RENDER_TARGETS: + if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_RENDER_TARGETS, &result)) + return 1; + if(!result.u) + return 1; + return MIN2(result.u, PIPE_MAX_COLOR_BUFS); + case PIPE_CAP_OCCLUSION_QUERY: + return 1; + case PIPE_CAP_TIMER_QUERY: + return 0; + case PIPE_CAP_TEXTURE_SHADOW_MAP: + return 1; + + case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: + { + unsigned levels = SVGA_MAX_TEXTURE_LEVELS; + if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH, &result)) + levels = MIN2(util_logbase2(result.u) + 1, levels); + else + levels = 12 /* 2048x2048 */; + if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT, &result)) + levels = MIN2(util_logbase2(result.u) + 1, levels); + else + levels = 12 /* 2048x2048 */; + return levels; + } + + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT, &result)) + return 8; /* max 128x128x128 */ + return MIN2(util_logbase2(result.u) + 1, SVGA_MAX_TEXTURE_LEVELS); + + case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: + /* + * No mechanism to query the host, and at least limited to 2048x2048 on + * certain hardware. + */ + return MIN2(screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS), + 12.0 /* 2048x2048 */); + + case PIPE_CAP_TEXTURE_MIRROR_REPEAT: /* req. for GL 1.4 */ + return 1; + + case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */ + 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; + + /* + * Fragment shader limits + */ + + case PIPE_CAP_MAX_FS_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS: + case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS: + return svgascreen->use_ps30 ? 512 : 96; + case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH: + return SVGA3D_MAX_NESTING_LEVEL; + case PIPE_CAP_MAX_FS_INPUTS: + return 10; + case PIPE_CAP_MAX_FS_CONSTS: + return svgascreen->use_vs30 ? 224 : 16; + case PIPE_CAP_MAX_FS_TEMPS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result)) + return svgascreen->use_ps30 ? 32 : 12; + return result.u; + case PIPE_CAP_MAX_FS_ADDRS: + return svgascreen->use_ps30 ? 1 : 0; + case PIPE_CAP_MAX_FS_PREDS: + return svgascreen->use_ps30 ? 1 : 0; + + /* + * Vertex shader limits + */ + case PIPE_CAP_MAX_VS_INSTRUCTIONS: + case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result)) + return svgascreen->use_vs30 ? 512 : 256; + return result.u; + case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS: + case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS: + /* XXX: until we have vertex texture support */ + return 0; + case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH: + return SVGA3D_MAX_NESTING_LEVEL; + case PIPE_CAP_MAX_VS_INPUTS: + return 16; + case PIPE_CAP_MAX_VS_CONSTS: + return 256; + case PIPE_CAP_MAX_VS_TEMPS: + if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result)) + return svgascreen->use_vs30 ? 32 : 12; + return result.u; + case PIPE_CAP_MAX_VS_ADDRS: + return svgascreen->use_vs30 ? 1 : 0; + case PIPE_CAP_MAX_VS_PREDS: + return svgascreen->use_vs30 ? 1 : 0; + + case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: + return 1; + + default: + return 0; + } +} + + +/* This is a fairly pointless interface + */ +static int +svga_get_param(struct pipe_screen *screen, enum pipe_cap param) +{ + return (int) svga_get_paramf( screen, param ); +} + + +static INLINE SVGA3dDevCapIndex +svga_translate_format_cap(enum pipe_format format) +{ + switch(format) { + + case PIPE_FORMAT_B8G8R8A8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8; + case PIPE_FORMAT_B8G8R8X8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8; + + case PIPE_FORMAT_B5G6R5_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_R5G6B5; + case PIPE_FORMAT_B5G5R5A1_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5; + case PIPE_FORMAT_B4G4R4A4_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4; + + case PIPE_FORMAT_Z16_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_Z_D16; + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8; + case PIPE_FORMAT_X8Z24_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_Z_D24X8; + + case PIPE_FORMAT_A8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_ALPHA8; + case PIPE_FORMAT_L8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_LUMINANCE8; + + case PIPE_FORMAT_DXT1_RGB: + case PIPE_FORMAT_DXT1_RGBA: + return SVGA3D_DEVCAP_SURFACEFMT_DXT1; + case PIPE_FORMAT_DXT3_RGBA: + return SVGA3D_DEVCAP_SURFACEFMT_DXT3; + case PIPE_FORMAT_DXT5_RGBA: + return SVGA3D_DEVCAP_SURFACEFMT_DXT5; + + default: + return SVGA3D_DEVCAP_MAX; + } +} + + +static boolean +svga_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 svga_winsys_screen *sws = svga_screen(screen)->sws; + SVGA3dDevCapIndex index; + SVGA3dDevCapResult result; + + assert(tex_usage); + + if (sample_count > 1) + return FALSE; + + /* Override host capabilities */ + if (tex_usage & PIPE_BIND_RENDER_TARGET) { + switch(format) { + + /* Often unsupported/problematic. This means we end up with the same + * visuals for all virtual hardware implementations. + */ + case PIPE_FORMAT_B4G4R4A4_UNORM: + case PIPE_FORMAT_B5G5R5A1_UNORM: + return FALSE; + + /* Simulate ability to render into compressed textures */ + case PIPE_FORMAT_DXT1_RGB: + case PIPE_FORMAT_DXT1_RGBA: + case PIPE_FORMAT_DXT3_RGBA: + case PIPE_FORMAT_DXT5_RGBA: + return TRUE; + + default: + break; + } + } + + /* Try to query the host */ + index = svga_translate_format_cap(format); + if( index < SVGA3D_DEVCAP_MAX && + sws->get_cap(sws, index, &result) ) + { + SVGA3dSurfaceFormatCaps mask; + + mask.value = 0; + if (tex_usage & PIPE_BIND_RENDER_TARGET) + mask.offscreenRenderTarget = 1; + if (tex_usage & PIPE_BIND_DEPTH_STENCIL) + mask.zStencil = 1; + if (tex_usage & PIPE_BIND_SAMPLER_VIEW) + mask.texture = 1; + + if ((result.u & mask.value) == mask.value) + return TRUE; + else + return FALSE; + } + + /* Use our translate functions directly rather than relying on a + * duplicated list of supported formats which is prone to getting + * out of sync: + */ + if(tex_usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DEPTH_STENCIL)) + return svga_translate_format_render(format) != SVGA3D_FORMAT_INVALID; + else + return svga_translate_format(format) != SVGA3D_FORMAT_INVALID; +} + + +static void +svga_fence_reference(struct pipe_screen *screen, + struct pipe_fence_handle **ptr, + struct pipe_fence_handle *fence) +{ + struct svga_winsys_screen *sws = svga_screen(screen)->sws; + sws->fence_reference(sws, ptr, fence); +} + + +static int +svga_fence_signalled(struct pipe_screen *screen, + struct pipe_fence_handle *fence, + unsigned flag) +{ + struct svga_winsys_screen *sws = svga_screen(screen)->sws; + return sws->fence_signalled(sws, fence, flag); +} + + +static int +svga_fence_finish(struct pipe_screen *screen, + struct pipe_fence_handle *fence, + unsigned flag) +{ + struct svga_winsys_screen *sws = svga_screen(screen)->sws; + + SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n", + __FUNCTION__, fence); + + return sws->fence_finish(sws, fence, flag); +} + + +static void +svga_destroy_screen( struct pipe_screen *screen ) +{ + struct svga_screen *svgascreen = svga_screen(screen); + + svga_screen_cache_cleanup(svgascreen); + + pipe_mutex_destroy(svgascreen->swc_mutex); + pipe_mutex_destroy(svgascreen->tex_mutex); + + svgascreen->sws->destroy(svgascreen->sws); + + FREE(svgascreen); +} + + +/** + * Create a new svga_screen object + */ +struct pipe_screen * +svga_screen_create(struct svga_winsys_screen *sws) +{ + struct svga_screen *svgascreen; + struct pipe_screen *screen; + SVGA3dDevCapResult result; + +#ifdef DEBUG + SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 ); +#endif + + svgascreen = CALLOC_STRUCT(svga_screen); + if (!svgascreen) + goto error1; + + svgascreen->debug.force_level_surface_view = + debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE); + svgascreen->debug.force_surface_view = + debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE); + svgascreen->debug.force_sampler_view = + debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE); + svgascreen->debug.no_surface_view = + debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE); + svgascreen->debug.no_sampler_view = + debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE); + + screen = &svgascreen->screen; + + screen->destroy = svga_destroy_screen; + screen->get_name = svga_get_name; + screen->get_vendor = svga_get_vendor; + screen->get_param = svga_get_param; + screen->get_paramf = svga_get_paramf; + screen->is_format_supported = svga_is_format_supported; + screen->context_create = svga_context_create; + screen->fence_reference = svga_fence_reference; + screen->fence_signalled = svga_fence_signalled; + screen->fence_finish = svga_fence_finish; + svgascreen->sws = sws; + + svga_screen_init_surface_functions(screen); + svga_init_screen_resource_functions(svgascreen); + + svgascreen->use_ps30 = + sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) && + result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE; + + svgascreen->use_vs30 = + sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) && + result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE; + +#if 1 + /* Shader model 2.0 is unsupported at the moment. */ + if(!svgascreen->use_ps30 || !svgascreen->use_vs30) + goto error2; +#else + if(debug_get_bool_option("SVGA_NO_SM30", FALSE)) + svgascreen->use_vs30 = svgascreen->use_ps30 = FALSE; +#endif + + pipe_mutex_init(svgascreen->tex_mutex); + pipe_mutex_init(svgascreen->swc_mutex); + + svga_screen_cache_init(svgascreen); + + return screen; +error2: + FREE(svgascreen); +error1: + return NULL; +} + +struct svga_winsys_screen * +svga_winsys_screen(struct pipe_screen *screen) +{ + return svga_screen(screen)->sws; +} + +#ifdef DEBUG +struct svga_screen * +svga_screen(struct pipe_screen *screen) +{ + assert(screen); + assert(screen->destroy == svga_destroy_screen); + return (struct svga_screen *)screen; +} +#endif |