diff options
Diffstat (limited to 'src/gallium/drivers/i915/i915_screen.c')
| -rw-r--r-- | src/gallium/drivers/i915/i915_screen.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c new file mode 100644 index 0000000000..f82426520c --- /dev/null +++ b/src/gallium/drivers/i915/i915_screen.c @@ -0,0 +1,334 @@ +/************************************************************************** + * + * 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 "util/u_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_surface.h" +#include "i915_resource.h" +#include "i915_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)->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; + default: + chipset = "unknown"; + break; + } + + util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset); + return buffer; +} + +static int +i915_get_param(struct pipe_screen *screen, enum pipe_cap param) +{ + switch (param) { + case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + return 8; + case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS: + return 0; + case PIPE_CAP_MAX_COMBINED_SAMPLERS: + 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_TIMER_QUERY: + return 0; + case PIPE_CAP_TEXTURE_SHADOW_MAP: + return 1; + 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_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; + case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE: + /* disable for now */ + return 0; + default: + return 0; + } +} + +static float +i915_get_paramf(struct pipe_screen *screen, enum pipe_cap 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 sample_count, + unsigned tex_usage, + unsigned geom_flags) +{ + static const enum pipe_format tex_supported[] = { + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_B8G8R8X8_UNORM, + PIPE_FORMAT_R8G8B8A8_UNORM, +#if 0 + PIPE_FORMAT_R8G8B8X8_UNORM, +#endif + PIPE_FORMAT_B5G6R5_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_Z24X8_UNORM, + PIPE_FORMAT_Z24_UNORM_S8_USCALED, + PIPE_FORMAT_NONE /* list terminator */ + }; + static const enum pipe_format render_supported[] = { + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_B5G6R5_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_USCALED, + PIPE_FORMAT_NONE /* list terminator */ + }; + const enum pipe_format *list; + uint i; + + 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 + 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_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: + 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.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.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_init_screen_surface_functions(is); + + return &is->base; +} |