| /* |
| * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * Copyright 2010 Marek Olšák <maraeo@gmail.com> |
| * |
| * 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: |
| 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_rv350 = r300_screen(screen)->caps.is_rv350; |
| boolean is_z24 = format == PIPE_FORMAT_X8Z24_UNORM || |
| format == PIPE_FORMAT_S8_USCALED_Z24_UNORM; |
| 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; |
| |
| switch (sample_count) { |
| case 0: |
| case 1: |
| break; |
| case 2: |
| case 3: |
| case 4: |
| case 6: |
| if (usage != PIPE_BIND_RENDER_TARGET || |
| !util_format_is_rgba8_variant( |
| util_format_description(format))) { |
| return FALSE; |
| } |
| break; |
| default: |
| return FALSE; |
| } |
| |
| /* Check sampler format support. */ |
| if ((usage & PIPE_BIND_SAMPLER_VIEW) && |
| /* Z24 cannot be sampled from on non-r5xx. */ |
| (is_r500 || !is_z24) && |
| /* 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_rv350 || !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); |
| |
| 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); |
| |
| 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; |
| } |
| |
| struct r300_winsys_screen * |
| r300_winsys_screen(struct pipe_screen *screen) |
| { |
| return r300_screen(screen)->rws; |
| } |