| /************************************************************************** |
| * |
| * 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: |
| 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_DEPTHSTENCIL_CLEAR_SEPARATE: |
| 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; |
| |
| /* 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_TIMER_QUERY: |
| 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: |
| 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; |
| } |