/************************************************************************** * * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. * 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, 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 TUNGSTEN GRAPHICS AND/OR ITS 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 "draw/draw_context.h" #include "util/u_format.h" #include "util/u_format_s3tc.h" #include "util/u_inlines.h" #include "util/u_memory.h" #include "util/u_string.h" #include "i915_reg.h" #include "i915_debug.h" #include "i915_context.h" #include "i915_screen.h" #include "i915_resource.h" #include "i915_winsys.h" #include "i915_public.h" /* * Probe functions */ static const char * i915_get_vendor(struct pipe_screen *screen) { return "VMware, Inc."; } static const char * i915_get_name(struct pipe_screen *screen) { static char buffer[128]; const char *chipset; switch (i915_screen(screen)->iws->pci_id) { case PCI_CHIP_I915_G: chipset = "915G"; break; case PCI_CHIP_I915_GM: chipset = "915GM"; break; case PCI_CHIP_I945_G: chipset = "945G"; break; case PCI_CHIP_I945_GM: chipset = "945GM"; break; case PCI_CHIP_I945_GME: chipset = "945GME"; break; case PCI_CHIP_G33_G: chipset = "G33"; break; case PCI_CHIP_Q35_G: chipset = "Q35"; break; case PCI_CHIP_Q33_G: chipset = "Q33"; break; case PCI_CHIP_PINEVIEW_G: chipset = "Pineview G"; break; case PCI_CHIP_PINEVIEW_M: chipset = "Pineview M"; break; default: chipset = "unknown"; break; } util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset); return buffer; } static int i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap) { switch(shader) { case PIPE_SHADER_VERTEX: switch (cap) { case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS: if (debug_get_bool_option("DRAW_USE_LLVM", TRUE)) return PIPE_MAX_SAMPLERS; else return 0; default: return draw_get_shader_param(shader, cap); } case PIPE_SHADER_FRAGMENT: /* XXX: some of these are just shader model 2.0 values, fix this! */ switch(cap) { case PIPE_SHADER_CAP_MAX_INSTRUCTIONS: return I915_MAX_ALU_INSN + I915_MAX_TEX_INSN; case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS: return I915_MAX_ALU_INSN; case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS: return I915_MAX_TEX_INSN; case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS: return 8; case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH: return 0; case PIPE_SHADER_CAP_MAX_INPUTS: return 10; case PIPE_SHADER_CAP_MAX_CONSTS: return 32; case PIPE_SHADER_CAP_MAX_CONST_BUFFERS: return 1; case PIPE_SHADER_CAP_MAX_TEMPS: return 12; /* XXX: 12 -> 32 ? */ case PIPE_SHADER_CAP_MAX_ADDRS: return 0; case PIPE_SHADER_CAP_MAX_PREDS: return 0; case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED: case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED: return 0; case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR: case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR: case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: 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 I915_TEX_UNITS; default: debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap); return 0; } break; default: return 0; } } static int i915_get_param(struct pipe_screen *screen, enum pipe_cap cap) { struct i915_screen *is = i915_screen(screen); switch (cap) { /* Supported features (boolean caps). */ case PIPE_CAP_ANISOTROPIC_FILTER: case PIPE_CAP_NPOT_TEXTURES: case PIPE_CAP_POINT_SPRITE: case PIPE_CAP_PRIMITIVE_RESTART: /* draw module */ case PIPE_CAP_TEXTURE_SHADOW_MAP: case PIPE_CAP_TWO_SIDED_STENCIL: case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR: case PIPE_CAP_BLEND_EQUATION_SEPARATE: case PIPE_CAP_TGSI_INSTANCEID: case PIPE_CAP_VERTEX_COLOR_CLAMPED: case PIPE_CAP_USER_VERTEX_BUFFERS: case PIPE_CAP_USER_INDEX_BUFFERS: case PIPE_CAP_USER_CONSTANT_BUFFERS: return 1; case PIPE_CAP_TGSI_TEXCOORD: return 0; /* Unsupported features (boolean caps). */ case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS: case PIPE_CAP_DEPTH_CLIP_DISABLE: case PIPE_CAP_INDEP_BLEND_ENABLE: case PIPE_CAP_INDEP_BLEND_FUNC: case PIPE_CAP_SHADER_STENCIL_EXPORT: case PIPE_CAP_TEXTURE_MIRROR_CLAMP: case PIPE_CAP_TEXTURE_SWIZZLE: case PIPE_CAP_QUERY_TIME_ELAPSED: case PIPE_CAP_SM3: case PIPE_CAP_SEAMLESS_CUBE_MAP: case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE: case PIPE_CAP_SCALED_RESOLVE: case PIPE_CAP_FRAGMENT_COLOR_CLAMPED: case PIPE_CAP_MIXED_COLORBUFFER_FORMATS: case PIPE_CAP_CONDITIONAL_RENDER: case PIPE_CAP_TEXTURE_BARRIER: case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS: case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS: case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION: case PIPE_CAP_START_INSTANCE: case PIPE_CAP_QUERY_TIMESTAMP: case PIPE_CAP_QUERY_PIPELINE_STATISTICS: case PIPE_CAP_TEXTURE_MULTISAMPLE: case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return 0; case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT: return 16; /* Features we can lie about (boolean caps). */ case PIPE_CAP_OCCLUSION_QUERY: return is->debug.lie ? 1 : 0; /* Texturing. */ case PIPE_CAP_MAX_COMBINED_SAMPLERS: return i915_get_shader_param(screen, PIPE_SHADER_VERTEX, PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS) + i915_get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS); case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: return I915_MAX_TEXTURE_2D_LEVELS; case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: return I915_MAX_TEXTURE_3D_LEVELS; case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: return I915_MAX_TEXTURE_2D_LEVELS; case PIPE_CAP_MIN_TEXEL_OFFSET: case PIPE_CAP_MAX_TEXEL_OFFSET: case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS: case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS: case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS: return 0; /* Render targets. */ case PIPE_CAP_MAX_RENDER_TARGETS: 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; default: debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap); return 0; } } static float i915_get_paramf(struct pipe_screen *screen, enum pipe_capf cap) { switch(cap) { case PIPE_CAPF_MAX_LINE_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_LINE_WIDTH_AA: return 7.5; case PIPE_CAPF_MAX_POINT_WIDTH: /* fall-through */ case PIPE_CAPF_MAX_POINT_WIDTH_AA: return 255.0; case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY: return 4.0; case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS: return 16.0; default: debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap); return 0; } } boolean i915_is_format_supported(struct pipe_screen *screen, enum pipe_format format, enum pipe_texture_target target, unsigned sample_count, unsigned tex_usage) { static const enum pipe_format tex_supported[] = { PIPE_FORMAT_B8G8R8A8_UNORM, PIPE_FORMAT_B8G8R8A8_SRGB, PIPE_FORMAT_B8G8R8X8_UNORM, PIPE_FORMAT_R8G8B8A8_UNORM, PIPE_FORMAT_R8G8B8X8_UNORM, PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM, PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_A8_UNORM, PIPE_FORMAT_I8_UNORM, PIPE_FORMAT_L8A8_UNORM, PIPE_FORMAT_UYVY, PIPE_FORMAT_YUYV, /* XXX why not? PIPE_FORMAT_Z16_UNORM, */ PIPE_FORMAT_DXT1_RGB, PIPE_FORMAT_DXT1_RGBA, PIPE_FORMAT_DXT3_RGBA, PIPE_FORMAT_DXT5_RGBA, PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_NONE /* list terminator */ }; static const enum pipe_format render_supported[] = { PIPE_FORMAT_B8G8R8A8_UNORM, PIPE_FORMAT_B8G8R8X8_UNORM, PIPE_FORMAT_R8G8B8A8_UNORM, PIPE_FORMAT_R8G8B8X8_UNORM, PIPE_FORMAT_B5G6R5_UNORM, PIPE_FORMAT_B10G10R10A2_UNORM, PIPE_FORMAT_L8_UNORM, PIPE_FORMAT_A8_UNORM, PIPE_FORMAT_I8_UNORM, PIPE_FORMAT_NONE /* list terminator */ }; static const enum pipe_format depth_supported[] = { /* XXX why not? PIPE_FORMAT_Z16_UNORM, */ PIPE_FORMAT_Z24X8_UNORM, PIPE_FORMAT_Z24_UNORM_S8_UINT, PIPE_FORMAT_NONE /* list terminator */ }; const enum pipe_format *list; uint i; if (!util_format_is_supported(format, tex_usage)) return FALSE; if (sample_count > 1) return FALSE; if(tex_usage & PIPE_BIND_DEPTH_STENCIL) list = depth_supported; else if (tex_usage & PIPE_BIND_RENDER_TARGET) list = render_supported; else if (tex_usage & PIPE_BIND_SAMPLER_VIEW) list = tex_supported; else return TRUE; /* PIPE_BIND_{VERTEX,INDEX}_BUFFER */ for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) { if (list[i] == format) return TRUE; } return FALSE; } /* * Fence functions */ static void i915_fence_reference(struct pipe_screen *screen, struct pipe_fence_handle **ptr, struct pipe_fence_handle *fence) { struct i915_screen *is = i915_screen(screen); is->iws->fence_reference(is->iws, ptr, fence); } static boolean i915_fence_signalled(struct pipe_screen *screen, struct pipe_fence_handle *fence) { struct i915_screen *is = i915_screen(screen); return is->iws->fence_signalled(is->iws, fence) == 1; } static boolean i915_fence_finish(struct pipe_screen *screen, struct pipe_fence_handle *fence, uint64_t timeout) { struct i915_screen *is = i915_screen(screen); return is->iws->fence_finish(is->iws, fence) == 1; } /* * Generic functions */ static void i915_flush_frontbuffer(struct pipe_screen *screen, struct pipe_resource *resource, unsigned level, unsigned layer, void *winsys_drawable_handle) { /* XXX: Dummy right now. */ (void)screen; (void)resource; (void)level; (void)layer; (void)winsys_drawable_handle; } static void i915_destroy_screen(struct pipe_screen *screen) { struct i915_screen *is = i915_screen(screen); if (is->iws) is->iws->destroy(is->iws); FREE(is); } /** * Create a new i915_screen object */ struct pipe_screen * i915_screen_create(struct i915_winsys *iws) { struct i915_screen *is = CALLOC_STRUCT(i915_screen); if (!is) return NULL; switch (iws->pci_id) { case PCI_CHIP_I915_G: case PCI_CHIP_I915_GM: is->is_i945 = FALSE; break; case PCI_CHIP_I945_G: case PCI_CHIP_I945_GM: case PCI_CHIP_I945_GME: case PCI_CHIP_G33_G: case PCI_CHIP_Q33_G: case PCI_CHIP_Q35_G: case PCI_CHIP_PINEVIEW_G: case PCI_CHIP_PINEVIEW_M: is->is_i945 = TRUE; break; default: debug_printf("%s: unknown pci id 0x%x, cannot create screen\n", __FUNCTION__, iws->pci_id); FREE(is); return NULL; } is->iws = iws; is->base.destroy = i915_destroy_screen; is->base.flush_frontbuffer = i915_flush_frontbuffer; is->base.get_name = i915_get_name; is->base.get_vendor = i915_get_vendor; is->base.get_param = i915_get_param; is->base.get_shader_param = i915_get_shader_param; is->base.get_paramf = i915_get_paramf; is->base.is_format_supported = i915_is_format_supported; is->base.context_create = i915_create_context; is->base.fence_reference = i915_fence_reference; is->base.fence_signalled = i915_fence_signalled; is->base.fence_finish = i915_fence_finish; i915_init_screen_resource_functions(is); i915_debug_init(is); util_format_s3tc_init(); return &is->base; }