/* * Copyright 2008 Corbin Simpson * Copyright 2010 Marek Olšák * * 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 * on 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 * THE AUTHOR(S) AND/OR THEIR 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_format.h" #include "util/u_format_s3tc.h" #include "util/u_memory.h" #include "r300_context.h" #include "r300_texture.h" #include "r300_screen_buffer.h" #include "r300_state_inlines.h" #include "r300_winsys.h" #include "r300_public.h" /* Return the identifier behind whom the brave coders responsible for this * amalgamation of code, sweat, and duct tape, routinely obscure their names. * * ...I should have just put "Corbin Simpson", but I'm not that cool. * * (Or egotistical. Yet.) */ static const char* r300_get_vendor(struct pipe_screen* pscreen) { return "X.Org R300 Project"; } static const char* chip_families[] = { "R300", "R350", "R360", "RV350", "RV370", "RV380", "R420", "R423", "R430", "R480", "R481", "RV410", "RS400", "RC410", "RS480", "RS482", "RS600", "RS690", "RS740", "RV515", "R520", "RV530", "R580", "RV560", "RV570" }; static const char* r300_get_name(struct pipe_screen* pscreen) { struct r300_screen* r300screen = r300_screen(pscreen); return chip_families[r300screen->caps.family]; } static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param) { struct r300_screen* r300screen = r300_screen(pscreen); boolean is_r400 = r300screen->caps.is_r400; boolean is_r500 = r300screen->caps.is_r500; /* XXX extended shader capabilities of r400 unimplemented */ is_r400 = FALSE; switch (param) { /* Supported features (boolean caps). */ case PIPE_CAP_NPOT_TEXTURES: case PIPE_CAP_TWO_SIDED_STENCIL: case PIPE_CAP_GLSL: /* I'll be frank. This is a lie. * * We don't truly support GLSL on any of this driver's chipsets. * To be fair, no chipset supports the full GLSL specification * to the best of our knowledge, but some of the less esoteric * features are still missing here. * * Rather than cripple ourselves intentionally, I'm going to set * this flag, and as Gallium's interface continues to change, I * hope that this single monolithic GLSL enable can slowly get * split down into many different pieces and the state tracker * will handle fallbacks transparently, like it should. * * ~ C. */ case PIPE_CAP_ANISOTROPIC_FILTER: case PIPE_CAP_POINT_SPRITE: case PIPE_CAP_OCCLUSION_QUERY: case PIPE_CAP_TEXTURE_SHADOW_MAP: case PIPE_CAP_TEXTURE_MIRROR_CLAMP: case PIPE_CAP_TEXTURE_MIRROR_REPEAT: case PIPE_CAP_BLEND_EQUATION_SEPARATE: case PIPE_CAP_TEXTURE_SWIZZLE: return 1; /* Unsupported features (boolean caps). */ case PIPE_CAP_TIMER_QUERY: case PIPE_CAP_DUAL_SOURCE_BLEND: case PIPE_CAP_TGSI_CONT_SUPPORTED: case PIPE_CAP_INDEP_BLEND_ENABLE: case PIPE_CAP_INDEP_BLEND_FUNC: case PIPE_CAP_DEPTH_CLAMP: /* XXX implemented, but breaks Regnum Online */ return 0; /* Texturing. */ case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: case PIPE_CAP_MAX_COMBINED_SAMPLERS: return r300screen->caps.num_tex_units; case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS: return 0; case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: /* 13 == 4096, 12 == 2048 */ return is_r500 ? 13 : 12; /* Render targets. */ case PIPE_CAP_MAX_RENDER_TARGETS: return 4; /* General shader limits and features. */ case PIPE_CAP_SM3: return is_r500 ? 1 : 0; case PIPE_CAP_MAX_CONST_BUFFERS: return 1; case PIPE_CAP_MAX_CONST_BUFFER_SIZE: return 256; case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: return 1; /* Fragment coordinate conventions. */ 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: return is_r500 || is_r400 ? 512 : 96; case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS: return is_r500 || is_r400 ? 512 : 64; case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS: return is_r500 || is_r400 ? 512 : 32; case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS: return is_r500 ? 511 : 4; case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH: return is_r500 ? 64 : 0; /* Actually unlimited on r500. */ case PIPE_CAP_MAX_FS_INPUTS: /* 2 colors + 8 texcoords are always supported * (minus fog and wpos). * * R500 has the ability to turn 3rd and 4th color into * additional texcoords but there is no two-sided color * selection then. However the facing bit can be used instead. */ return 10; case PIPE_CAP_MAX_FS_CONSTS: return is_r500 ? 256 : 32; case PIPE_CAP_MAX_FS_TEMPS: return is_r500 ? 128 : is_r400 ? 64 : 32; case PIPE_CAP_MAX_FS_ADDRS: return 0; case PIPE_CAP_MAX_FS_PREDS: return is_r500 ? 1 : 0; /* Vertex shader limits. */ case PIPE_CAP_MAX_VS_INSTRUCTIONS: case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS: return is_r500 ? 1024 : 256; case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS: case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS: return 0; case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH: return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */ case PIPE_CAP_MAX_VS_INPUTS: return 16; case PIPE_CAP_MAX_VS_CONSTS: return 256; case PIPE_CAP_MAX_VS_TEMPS: return 32; case PIPE_CAP_MAX_VS_ADDRS: return 1; /* XXX guessed */ case PIPE_CAP_MAX_VS_PREDS: return is_r500 ? 4 : 0; /* XXX guessed. */ case PIPE_CAP_GEOMETRY_SHADER4: return 0; default: fprintf(stderr, "r300: Implementation error: Bad param %d\n", param); return 0; } } static float r300_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param) { struct r300_screen* r300screen = r300_screen(pscreen); switch (param) { case PIPE_CAP_MAX_LINE_WIDTH: case PIPE_CAP_MAX_LINE_WIDTH_AA: case PIPE_CAP_MAX_POINT_WIDTH: case PIPE_CAP_MAX_POINT_WIDTH_AA: /* The maximum dimensions of the colorbuffer are our practical * rendering limits. 2048 pixels should be enough for anybody. */ if (r300screen->caps.is_r500) { return 4096.0f; } else if (r300screen->caps.is_r400) { return 4021.0f; } else { return 2560.0f; } case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: return 16.0f; case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: return 16.0f; default: fprintf(stderr, "r300: Implementation error: Bad paramf %d\n", param); return 0.0f; } } static boolean r300_is_format_supported(struct pipe_screen* screen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned usage, unsigned geom_flags) { uint32_t retval = 0; boolean is_r500 = r300_screen(screen)->caps.is_r500; boolean is_r400 = r300_screen(screen)->caps.is_r400; boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM || format == PIPE_FORMAT_R10G10B10X2_SNORM || format == PIPE_FORMAT_B10G10R10A2_UNORM || format == PIPE_FORMAT_R10SG10SB10SA2U_NORM; boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM || format == PIPE_FORMAT_RGTC1_SNORM; boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM || format == PIPE_FORMAT_RGTC2_SNORM; boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT || format == PIPE_FORMAT_R16G16_FLOAT || format == PIPE_FORMAT_R16G16B16_FLOAT || format == PIPE_FORMAT_R16G16B16A16_FLOAT; /* Check multisampling support. */ switch (sample_count) { case 0: case 1: break; case 2: case 3: case 4: case 6: return FALSE; #if 0 if (usage != PIPE_BIND_RENDER_TARGET || !util_format_is_rgba8_variant( util_format_description(format))) { return FALSE; } #endif break; default: return FALSE; } /* Check sampler format support. */ if ((usage & PIPE_BIND_SAMPLER_VIEW) && /* ATI1N is r5xx-only. */ (is_r500 || !is_ati1n) && /* ATI2N is supported on r4xx-r5xx. */ (is_r400 || is_r500 || !is_ati2n) && r300_is_sampler_format_supported(format)) { retval |= PIPE_BIND_SAMPLER_VIEW; } /* Check colorbuffer format support. */ if ((usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED)) && /* 2101010 cannot be rendered to on non-r5xx. */ (is_r500 || !is_color2101010) && r300_is_colorbuffer_format_supported(format)) { retval |= usage & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_DISPLAY_TARGET | PIPE_BIND_SCANOUT | PIPE_BIND_SHARED); } /* Check depth-stencil format support. */ if (usage & PIPE_BIND_DEPTH_STENCIL && r300_is_zs_format_supported(format)) { retval |= PIPE_BIND_DEPTH_STENCIL; } /* Check vertex buffer format support. */ if (usage & PIPE_BIND_VERTEX_BUFFER && /* Half float is supported on >= RV350. */ (is_r400 || is_r500 || !is_half_float) && r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) { retval |= PIPE_BIND_VERTEX_BUFFER; } /* Transfers are always supported. */ if (usage & PIPE_BIND_TRANSFER_READ) retval |= PIPE_BIND_TRANSFER_READ; if (usage & PIPE_BIND_TRANSFER_WRITE) retval |= PIPE_BIND_TRANSFER_WRITE; return retval == usage; } static void r300_destroy_screen(struct pipe_screen* pscreen) { struct r300_screen* r300screen = r300_screen(pscreen); struct r300_winsys_screen *rws = r300_winsys_screen(pscreen); util_mempool_destroy(&r300screen->pool_buffers); if (rws) rws->destroy(rws); FREE(r300screen); } static void r300_fence_reference(struct pipe_screen *screen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { struct r300_fence **oldf = (struct r300_fence**)ptr; struct r300_fence *newf = (struct r300_fence*)fence; if (pipe_reference(&(*oldf)->reference, &newf->reference)) FREE(*oldf); *ptr = fence; } static int r300_fence_signalled(struct pipe_screen *screen, struct pipe_fence_handle *fence, unsigned flags) { struct r300_fence *rfence = (struct r300_fence*)fence; return rfence->signalled ? 0 : 1; /* 0 == success */ } static int r300_fence_finish(struct pipe_screen *screen, struct pipe_fence_handle *fence, unsigned flags) { struct r300_fence *rfence = (struct r300_fence*)fence; r300_finish(rfence->ctx); rfence->signalled = TRUE; return 0; /* 0 == success */ } struct pipe_screen* r300_screen_create(struct r300_winsys_screen *rws) { struct r300_screen *r300screen = CALLOC_STRUCT(r300_screen); if (!r300screen) { FREE(r300screen); return NULL; } r300screen->caps.pci_id = rws->get_value(rws, R300_VID_PCI_ID); r300screen->caps.num_frag_pipes = rws->get_value(rws, R300_VID_GB_PIPES); r300screen->caps.num_z_pipes = rws->get_value(rws, R300_VID_Z_PIPES); r300_init_debug(r300screen); r300_parse_chipset(&r300screen->caps); util_mempool_create(&r300screen->pool_buffers, sizeof(struct r300_buffer), 64, UTIL_MEMPOOL_SINGLETHREADED); r300screen->rws = rws; r300screen->screen.winsys = (struct pipe_winsys*)rws; r300screen->screen.destroy = r300_destroy_screen; r300screen->screen.get_name = r300_get_name; r300screen->screen.get_vendor = r300_get_vendor; r300screen->screen.get_param = r300_get_param; r300screen->screen.get_paramf = r300_get_paramf; r300screen->screen.is_format_supported = r300_is_format_supported; r300screen->screen.context_create = r300_create_context; r300screen->screen.fence_reference = r300_fence_reference; r300screen->screen.fence_signalled = r300_fence_signalled; r300screen->screen.fence_finish = r300_fence_finish; r300_init_screen_resource_functions(r300screen); util_format_s3tc_init(); return &r300screen->screen; }