diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen.c | 435 |
1 files changed, 435 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..3afcaffff5 --- /dev/null +++ b/src/gallium/drivers/svga/svga_screen.c @@ -0,0 +1,435 @@ +/********************************************************** + * 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 "pipe/p_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_screen_texture.h" +#include "svga_screen_buffer.h" +#include "svga_cmd.h" +#include "svga_debug.h" + +#include "svga_hw_reg.h" +#include "svga3d_shaderdefs.h" + + +#ifdef DEBUG +int SVGA_DEBUG = 0; + +static const struct debug_named_value svga_debug_flags[] = { + { "dma", DEBUG_DMA }, + { "tgsi", DEBUG_TGSI }, + { "pipe", DEBUG_PIPE }, + { "state", DEBUG_STATE }, + { "screen", DEBUG_SCREEN }, + { "tex", DEBUG_TEX }, + { "swtnl", DEBUG_SWTNL }, + { "const", DEBUG_CONSTS }, + { "viewport", DEBUG_VIEWPORT }, + { "views", DEBUG_VIEWS }, + { "perf", DEBUG_PERF }, + { "flush", DEBUG_FLUSH }, + { "sync", DEBUG_SYNC }, + {NULL, 0} +}; +#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, int 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 80.0; + + case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: + return 4.0; + + case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: + return 16.0; + + case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + 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_TEXTURE_SHADOW_MAP: + return 1; + case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: + return SVGA_MAX_TEXTURE_LEVELS; + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + return 8; /* max 128x128x128 */ + case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: + return SVGA_MAX_TEXTURE_LEVELS; + + 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; + + default: + return 0; + } +} + + +/* This is a fairly pointless interface + */ +static int +svga_get_param(struct pipe_screen *screen, int param) +{ + return (int) svga_get_paramf( screen, param ); +} + + +static INLINE SVGA3dDevCapIndex +svga_translate_format_cap(enum pipe_format format) +{ + switch(format) { + + case PIPE_FORMAT_A8R8G8B8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A8R8G8B8; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_X8R8G8B8; + + case PIPE_FORMAT_R5G6B5_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_R5G6B5; + case PIPE_FORMAT_A1R5G5B5_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A1R5G5B5; + case PIPE_FORMAT_A4R4G4B4_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_A4R4G4B4; + + case PIPE_FORMAT_Z16_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_Z_D16; + case PIPE_FORMAT_Z24S8_UNORM: + return SVGA3D_DEVCAP_SURFACEFMT_Z_D24S8; + case PIPE_FORMAT_Z24X8_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 tex_usage, + unsigned geom_flags ) +{ + struct svga_winsys_screen *sws = svga_screen(screen)->sws; + SVGA3dDevCapIndex index; + SVGA3dDevCapResult result; + + assert(tex_usage); + + /* Override host capabilities */ + if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) { + switch(format) { + + /* Often unsupported/problematic. This means we end up with the same + * visuals for all virtual hardware implementations. + */ + case PIPE_FORMAT_A4R4G4B4_UNORM: + case PIPE_FORMAT_A1R5G5B5_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_TEXTURE_USAGE_RENDER_TARGET) + mask.offscreenRenderTarget = 1; + if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) + mask.zStencil = 1; + if (tex_usage & PIPE_TEXTURE_USAGE_SAMPLER) + 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_TEXTURE_USAGE_RENDER_TARGET | PIPE_TEXTURE_USAGE_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; + 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->swc->destroy(svgascreen->swc); + + 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->fence_reference = svga_fence_reference; + screen->fence_signalled = svga_fence_signalled; + screen->fence_finish = svga_fence_finish; + svgascreen->sws = sws; + + svga_screen_init_texture_functions(screen); + svga_screen_init_buffer_functions(screen); + + 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 + + svgascreen->swc = sws->context_create(sws); + if(!svgascreen->swc) + goto error2; + + pipe_mutex_init(svgascreen->tex_mutex); + pipe_mutex_init(svgascreen->swc_mutex); + + LIST_INITHEAD(&svgascreen->cached_buffers); + + svga_screen_cache_init(svgascreen); + + return screen; +error2: + FREE(svgascreen); +error1: + return NULL; +} + +void svga_screen_flush( struct svga_screen *svgascreen, + struct pipe_fence_handle **pfence ) +{ + struct pipe_fence_handle *fence = NULL; + + SVGA_DBG(DEBUG_PERF, "%s\n", __FUNCTION__); + + pipe_mutex_lock(svgascreen->swc_mutex); + svgascreen->swc->flush(svgascreen->swc, &fence); + pipe_mutex_unlock(svgascreen->swc_mutex); + + svga_screen_cache_flush(svgascreen, fence); + + if(pfence) + *pfence = fence; + else + svgascreen->sws->fence_reference(svgascreen->sws, &fence, 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 |