| /********************************************************** |
| * 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_public.h" |
| #include "svga_context.h" |
| #include "svga_format.h" |
| #include "svga_screen.h" |
| #include "svga_resource_texture.h" |
| #include "svga_resource.h" |
| #include "svga_debug.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 ) |
| { |
| const char *build = "", *llvm = "", *mutex = ""; |
| static char name[100]; |
| #ifdef DEBUG |
| /* Only return internal details in the DEBUG version: |
| */ |
| build = "build: DEBUG;"; |
| mutex = "mutex: " PIPE_ATOMIC ";"; |
| #ifdef HAVE_LLVM |
| llvm = "LLVM;"; |
| #endif |
| #else |
| build = "build: RELEASE;"; |
| #endif |
| |
| util_snprintf(name, sizeof(name), "SVGA3D; %s %s %s", build, mutex, llvm); |
| return name; |
| } |
| |
| |
| |
| |
| static float |
| svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param) |
| { |
| struct svga_screen *svgascreen = svga_screen(screen); |
| struct svga_winsys_screen *sws = svgascreen->sws; |
| SVGA3dDevCapResult result; |
| |
| switch (param) { |
| case PIPE_CAPF_MAX_LINE_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_LINE_WIDTH_AA: |
| return 7.0; |
| |
| case PIPE_CAPF_MAX_POINT_WIDTH: |
| /* fall-through */ |
| case PIPE_CAPF_MAX_POINT_WIDTH_AA: |
| return svgascreen->maxPointSize; |
| |
| case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: |
| if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY, &result)) |
| return 4.0; |
| return result.u; |
| |
| case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: |
| return 15.0; |
| 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; |
| } |
| |
| debug_printf("Unexpected PIPE_CAPF_ query %u\n", param); |
| return 0; |
| } |
| |
| |
| static int |
| svga_get_param(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_COMBINED_SAMPLERS: |
| return 16; |
| case PIPE_CAP_NPOT_TEXTURES: |
| return 1; |
| case PIPE_CAP_TWO_SIDED_STENCIL: |
| return 1; |
| case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: |
| return 0; |
| 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_TEXTURE_SWIZZLE: |
| return 1; |
| case PIPE_CAP_USER_VERTEX_BUFFERS: |
| case PIPE_CAP_USER_INDEX_BUFFERS: |
| return 0; |
| case PIPE_CAP_USER_CONSTANT_BUFFERS: |
| return 1; |
| case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: |
| return 16; |
| |
| 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_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS), |
| 12 /* 2048x2048 */); |
| |
| 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; |
| |
| case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: |
| return 1; |
| |
| case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: |
| return 1; /* The color outputs of vertex shaders are not clamped */ |
| case PIPE_CAP_VERTEX_COLOR_CLAMPED: |
| return 0; /* The driver can't clamp vertex colors */ |
| case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: |
| return 0; /* The driver can't clamp fragment colors */ |
| |
| case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: |
| return 1; /* expected for GL_ARB_framebuffer_object */ |
| |
| case PIPE_CAP_GLSL_FEATURE_LEVEL: |
| return 120; |
| |
| /* Unsupported features */ |
| case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: |
| case PIPE_CAP_TEXTURE_MIRROR_CLAMP: |
| case PIPE_CAP_SM3: |
| case PIPE_CAP_SHADER_STENCIL_EXPORT: |
| case PIPE_CAP_DEPTH_CLIP_DISABLE: |
| case PIPE_CAP_SEAMLESS_CUBE_MAP: |
| case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: |
| case PIPE_CAP_INDEP_BLEND_ENABLE: |
| case PIPE_CAP_INDEP_BLEND_FUNC: |
| case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: |
| case PIPE_CAP_PRIMITIVE_RESTART: |
| case PIPE_CAP_TGSI_INSTANCEID: |
| case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: |
| case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: |
| case PIPE_CAP_SCALED_RESOLVE: |
| case PIPE_CAP_MIN_TEXEL_OFFSET: |
| case PIPE_CAP_MAX_TEXEL_OFFSET: |
| case PIPE_CAP_CONDITIONAL_RENDER: |
| case PIPE_CAP_TEXTURE_BARRIER: |
| case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: |
| case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: |
| 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_COMPUTE: |
| case PIPE_CAP_START_INSTANCE: |
| case PIPE_CAP_QUERY_TIMESTAMP: |
| return 0; |
| case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY: |
| return 1; |
| } |
| |
| debug_printf("Unexpected PIPE_CAP_ query %u\n", param); |
| return 0; |
| } |
| |
| static int svga_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param) |
| { |
| struct svga_screen *svgascreen = svga_screen(screen); |
| struct svga_winsys_screen *sws = svgascreen->sws; |
| SVGA3dDevCapResult result; |
| |
| switch (shader) |
| { |
| case PIPE_SHADER_FRAGMENT: |
| switch (param) |
| { |
| case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: |
| case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: |
| case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: |
| case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: |
| return 512; |
| case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: |
| return SVGA3D_MAX_NESTING_LEVEL; |
| case PIPE_SHADER_CAP_MAX_INPUTS: |
| return 10; |
| case PIPE_SHADER_CAP_MAX_CONSTS: |
| return 224; |
| case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: |
| return 1; |
| case PIPE_SHADER_CAP_MAX_TEMPS: |
| if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result)) |
| return 32; |
| return MIN2(result.u, SVGA3D_TEMPREG_MAX); |
| case PIPE_SHADER_CAP_MAX_ADDRS: |
| case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: |
| /* |
| * Although PS 3.0 has some addressing abilities it can only represent |
| * loops that can be statically determined and unrolled. Given we can |
| * only handle a subset of the cases that the state tracker already |
| * does it is better to defer loop unrolling to the state tracker. |
| */ |
| return 0; |
| case PIPE_SHADER_CAP_MAX_PREDS: |
| return 1; |
| case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: |
| return 1; |
| case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: |
| case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: |
| case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: |
| return 0; |
| case PIPE_SHADER_CAP_SUBROUTINES: |
| return 0; |
| case PIPE_SHADER_CAP_INTEGERS: |
| return 0; |
| case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: |
| return 16; |
| default: |
| debug_printf("Unexpected vertex shader query %u\n", param); |
| return 0; |
| } |
| break; |
| case PIPE_SHADER_VERTEX: |
| switch (param) |
| { |
| case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: |
| case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: |
| if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result)) |
| return 512; |
| return result.u; |
| case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: |
| case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: |
| /* XXX: until we have vertex texture support */ |
| return 0; |
| case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: |
| return SVGA3D_MAX_NESTING_LEVEL; |
| case PIPE_SHADER_CAP_MAX_INPUTS: |
| return 16; |
| case PIPE_SHADER_CAP_MAX_CONSTS: |
| return 256; |
| case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: |
| return 1; |
| case PIPE_SHADER_CAP_MAX_TEMPS: |
| if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result)) |
| return 32; |
| return MIN2(result.u, SVGA3D_TEMPREG_MAX); |
| case PIPE_SHADER_CAP_MAX_ADDRS: |
| return 1; |
| case PIPE_SHADER_CAP_MAX_PREDS: |
| return 1; |
| case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: |
| return 1; |
| case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: |
| case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: |
| return 1; |
| case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: |
| return 0; |
| case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: |
| return 1; |
| case PIPE_SHADER_CAP_SUBROUTINES: |
| return 0; |
| case PIPE_SHADER_CAP_INTEGERS: |
| return 0; |
| case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: |
| return 0; |
| default: |
| debug_printf("Unexpected vertex shader query %u\n", param); |
| return 0; |
| } |
| break; |
| case PIPE_SHADER_GEOMETRY: |
| /* no support for geometry shaders at this time */ |
| return 0; |
| default: |
| debug_printf("Unexpected shader type (%u) query\n", shader); |
| return 0; |
| } |
| return 0; |
| } |
| |
| |
| 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) |
| { |
| struct svga_screen *ss = svga_screen(screen); |
| SVGA3dSurfaceFormat svga_format; |
| SVGA3dSurfaceFormatCaps caps; |
| SVGA3dSurfaceFormatCaps mask; |
| |
| assert(tex_usage); |
| |
| if (sample_count > 1) { |
| return FALSE; |
| } |
| |
| svga_format = svga_translate_format(ss, format, tex_usage); |
| if (svga_format == SVGA3D_FORMAT_INVALID) { |
| return FALSE; |
| } |
| |
| /* |
| * Override host capabilities, so that we end up with the same |
| * visuals for all virtual hardware implementations. |
| */ |
| |
| if (tex_usage & PIPE_BIND_DISPLAY_TARGET) { |
| switch (svga_format) { |
| case SVGA3D_A8R8G8B8: |
| case SVGA3D_X8R8G8B8: |
| case SVGA3D_R5G6B5: |
| break; |
| |
| /* Often unsupported/problematic. This means we end up with the same |
| * visuals for all virtual hardware implementations. |
| */ |
| case SVGA3D_A4R4G4B4: |
| case SVGA3D_A1R5G5B5: |
| return FALSE; |
| |
| default: |
| return FALSE; |
| } |
| } |
| |
| /* |
| * Query the host capabilities. |
| */ |
| |
| svga_get_format_cap(ss, svga_format, &caps); |
| |
| 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; |
| } |
| |
| return (caps.value & mask.value) == mask.value; |
| } |
| |
| |
| 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 boolean |
| svga_fence_signalled(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence) |
| { |
| struct svga_winsys_screen *sws = svga_screen(screen)->sws; |
| return sws->fence_signalled(sws, fence, 0) == 0; |
| } |
| |
| |
| static boolean |
| svga_fence_finish(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence, |
| uint64_t timeout) |
| { |
| 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, 0) == 0; |
| } |
| |
| |
| 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; |
| boolean use_vs30, use_ps30; |
| |
| #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_shader_param = svga_get_shader_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_init_screen_resource_functions(svgascreen); |
| |
| if (sws->get_hw_version) { |
| svgascreen->hw_version = sws->get_hw_version(sws); |
| } else { |
| svgascreen->hw_version = SVGA3D_HWVERSION_WS65_B1; |
| } |
| |
| use_ps30 = |
| sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) && |
| result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE; |
| |
| use_vs30 = |
| sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) && |
| result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE; |
| |
| /* we require Shader model 3.0 or later */ |
| if (!use_ps30 || !use_vs30) |
| goto error2; |
| |
| /* |
| * The D16, D24X8, and D24S8 formats always do an implicit shadow compare |
| * when sampled from, where as the DF16, DF24, and D24S8_INT do not. So |
| * we prefer the later when available. |
| * |
| * This mimics hardware vendors extensions for D3D depth sampling. See also |
| * http://aras-p.info/texts/D3D9GPUHacks.html |
| */ |
| |
| { |
| boolean has_df16, has_df24, has_d24s8_int; |
| SVGA3dSurfaceFormatCaps caps; |
| SVGA3dSurfaceFormatCaps mask; |
| mask.value = 0; |
| mask.zStencil = 1; |
| mask.texture = 1; |
| |
| svgascreen->depth.z16 = SVGA3D_Z_D16; |
| svgascreen->depth.x8z24 = SVGA3D_Z_D24X8; |
| svgascreen->depth.s8z24 = SVGA3D_Z_D24S8; |
| |
| svga_get_format_cap(svgascreen, SVGA3D_Z_DF16, &caps); |
| has_df16 = (caps.value & mask.value) == mask.value; |
| |
| svga_get_format_cap(svgascreen, SVGA3D_Z_DF24, &caps); |
| has_df24 = (caps.value & mask.value) == mask.value; |
| |
| svga_get_format_cap(svgascreen, SVGA3D_Z_D24S8_INT, &caps); |
| has_d24s8_int = (caps.value & mask.value) == mask.value; |
| |
| /* XXX: We might want some other logic here. |
| * Like if we only have d24s8_int we should |
| * emulate the other formats with that. |
| */ |
| if (has_df16) { |
| svgascreen->depth.z16 = SVGA3D_Z_DF16; |
| } |
| if (has_df24) { |
| svgascreen->depth.x8z24 = SVGA3D_Z_DF24; |
| } |
| if (has_d24s8_int) { |
| svgascreen->depth.s8z24 = SVGA3D_Z_D24S8_INT; |
| } |
| } |
| |
| if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_POINT_SIZE, &result)) { |
| svgascreen->maxPointSize = 1.0F; |
| } else { |
| /* Keep this to a reasonable size to avoid failures in |
| * conform/pntaa.c: |
| */ |
| svgascreen->maxPointSize = MIN2(result.f, 80.0f); |
| } |
| |
| 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 |