| /************************************************************************** |
| * |
| * 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 "pipe/p_inlines.h" |
| #include "util/u_memory.h" |
| #include "util/u_string.h" |
| |
| #include "i915_reg.h" |
| #include "i915_context.h" |
| #include "i915_screen.h" |
| #include "i915_buffer.h" |
| #include "i915_texture.h" |
| #include "intel_winsys.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)->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; |
| default: |
| chipset = "unknown"; |
| break; |
| } |
| |
| util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset); |
| return buffer; |
| } |
| |
| static int |
| i915_get_param(struct pipe_screen *screen, int param) |
| { |
| switch (param) { |
| case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: |
| return 8; |
| case PIPE_CAP_NPOT_TEXTURES: |
| return 1; |
| case PIPE_CAP_TWO_SIDED_STENCIL: |
| return 1; |
| case PIPE_CAP_GLSL: |
| return 0; |
| case PIPE_CAP_ANISOTROPIC_FILTER: |
| return 0; |
| case PIPE_CAP_POINT_SPRITE: |
| return 0; |
| case PIPE_CAP_MAX_RENDER_TARGETS: |
| return 1; |
| case PIPE_CAP_OCCLUSION_QUERY: |
| return 0; |
| case PIPE_CAP_TEXTURE_SHADOW_MAP: |
| return 1; |
| case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: |
| return 11; /* max 1024x1024 */ |
| case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: |
| return 8; /* max 128x128x128 */ |
| case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: |
| return 11; /* max 1024x1024 */ |
| default: |
| return 0; |
| } |
| } |
| |
| static float |
| i915_get_paramf(struct pipe_screen *screen, int param) |
| { |
| switch (param) { |
| case PIPE_CAP_MAX_LINE_WIDTH: |
| /* fall-through */ |
| case PIPE_CAP_MAX_LINE_WIDTH_AA: |
| return 7.5; |
| |
| case PIPE_CAP_MAX_POINT_WIDTH: |
| /* fall-through */ |
| case PIPE_CAP_MAX_POINT_WIDTH_AA: |
| return 255.0; |
| |
| case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: |
| return 4.0; |
| |
| case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: |
| return 16.0; |
| |
| default: |
| return 0; |
| } |
| } |
| |
| static boolean |
| i915_is_format_supported(struct pipe_screen *screen, |
| enum pipe_format format, |
| enum pipe_texture_target target, |
| unsigned tex_usage, |
| unsigned geom_flags) |
| { |
| static const enum pipe_format tex_supported[] = { |
| PIPE_FORMAT_R8G8B8A8_UNORM, |
| PIPE_FORMAT_A8R8G8B8_UNORM, |
| PIPE_FORMAT_R5G6B5_UNORM, |
| PIPE_FORMAT_L8_UNORM, |
| PIPE_FORMAT_A8_UNORM, |
| PIPE_FORMAT_I8_UNORM, |
| PIPE_FORMAT_A8L8_UNORM, |
| PIPE_FORMAT_YCBCR, |
| PIPE_FORMAT_YCBCR_REV, |
| PIPE_FORMAT_S8Z24_UNORM, |
| PIPE_FORMAT_NONE /* list terminator */ |
| }; |
| static const enum pipe_format surface_supported[] = { |
| PIPE_FORMAT_A8R8G8B8_UNORM, |
| PIPE_FORMAT_R5G6B5_UNORM, |
| PIPE_FORMAT_S8Z24_UNORM, |
| PIPE_FORMAT_NONE /* list terminator */ |
| }; |
| const enum pipe_format *list; |
| uint i; |
| |
| if(tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) |
| list = surface_supported; |
| else |
| list = tex_supported; |
| |
| 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 int |
| i915_fence_signalled(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence, |
| unsigned flags) |
| { |
| struct i915_screen *is = i915_screen(screen); |
| |
| return is->iws->fence_signalled(is->iws, fence); |
| } |
| |
| static int |
| i915_fence_finish(struct pipe_screen *screen, |
| struct pipe_fence_handle *fence, |
| unsigned flags) |
| { |
| struct i915_screen *is = i915_screen(screen); |
| |
| return is->iws->fence_finish(is->iws, fence); |
| } |
| |
| |
| /* |
| * Generic functions |
| */ |
| |
| |
| 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_create_screen(struct intel_winsys *iws, uint pci_id) |
| { |
| struct i915_screen *is = CALLOC_STRUCT(i915_screen); |
| |
| if (!is) |
| return NULL; |
| |
| switch (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: |
| is->is_i945 = TRUE; |
| break; |
| |
| default: |
| debug_printf("%s: unknown pci id 0x%x, cannot create screen\n", |
| __FUNCTION__, pci_id); |
| return NULL; |
| } |
| |
| is->pci_id = pci_id; |
| is->iws = iws; |
| |
| is->base.winsys = NULL; |
| |
| is->base.destroy = i915_destroy_screen; |
| |
| is->base.get_name = i915_get_name; |
| is->base.get_vendor = i915_get_vendor; |
| is->base.get_param = i915_get_param; |
| is->base.get_paramf = i915_get_paramf; |
| is->base.is_format_supported = i915_is_format_supported; |
| |
| is->base.fence_reference = i915_fence_reference; |
| is->base.fence_signalled = i915_fence_signalled; |
| is->base.fence_finish = i915_fence_finish; |
| |
| i915_init_screen_texture_functions(is); |
| i915_init_screen_buffer_functions(is); |
| |
| return &is->base; |
| } |