diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_screen.c')
| -rw-r--r-- | src/gallium/drivers/i965simple/brw_screen.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_screen.c b/src/gallium/drivers/i965simple/brw_screen.c new file mode 100644 index 0000000000..b22e105f10 --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_screen.c @@ -0,0 +1,246 @@ +/************************************************************************** + * + * 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_memory.h" +#include "pipe/internal/p_winsys_screen.h" +#include "util/u_string.h" +#include "util/u_simple_screen.h" + +#include "brw_context.h" +#include "brw_screen.h" +#include "brw_tex_layout.h" + + +static const char * +brw_get_vendor( struct pipe_screen *screen ) +{ + return "Tungsten Graphics, Inc."; +} + + +static const char * +brw_get_name( struct pipe_screen *screen ) +{ + static char buffer[128]; + const char *chipset; + + switch (brw_screen(screen)->pci_id) { + case PCI_CHIP_I965_Q: + chipset = "Intel(R) 965Q"; + break; + case PCI_CHIP_I965_G: + case PCI_CHIP_I965_G_1: + chipset = "Intel(R) 965G"; + break; + case PCI_CHIP_I965_GM: + chipset = "Intel(R) 965GM"; + break; + case PCI_CHIP_I965_GME: + chipset = "Intel(R) 965GME/GLE"; + break; + default: + chipset = "unknown"; + break; + } + + util_snprintf(buffer, sizeof(buffer), "i965 (chipset: %s)", chipset); + return buffer; +} + + +static int +brw_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_S3TC: + 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 +brw_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 +brw_is_format_supported( struct pipe_screen *screen, + enum pipe_format format, + enum pipe_texture_target target, + unsigned tex_usage, + unsigned geom_flags ) +{ +#if 0 + /* XXX: This is broken -- rewrite if still needed. */ + static const unsigned 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_L8A8_UNORM, + PIPE_FORMAT_YCBCR, + PIPE_FORMAT_YCBCR_REV, + PIPE_FORMAT_S8_Z24, + }; + + + /* Actually a lot more than this - add later: + */ + static const unsigned render_supported[] = { + PIPE_FORMAT_A8R8G8B8_UNORM, + PIPE_FORMAT_R5G6B5_UNORM, + }; + + /* + */ + static const unsigned z_stencil_supported[] = { + PIPE_FORMAT_Z16_UNORM, + PIPE_FORMAT_Z32_UNORM, + PIPE_FORMAT_S8Z24_UNORM, + }; + + switch (type) { + case PIPE_RENDER_FORMAT: + *numFormats = Elements(render_supported); + return render_supported; + + case PIPE_TEX_FORMAT: + *numFormats = Elements(tex_supported); + return render_supported; + + case PIPE_Z_STENCIL_FORMAT: + *numFormats = Elements(render_supported); + return render_supported; + + default: + *numFormats = 0; + return NULL; + } +#else + switch (format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R5G6B5_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: + return TRUE; + default: + return FALSE; + }; + return FALSE; +#endif +} + + +static void +brw_destroy_screen( struct pipe_screen *screen ) +{ + struct pipe_winsys *winsys = screen->winsys; + + if(winsys->destroy) + winsys->destroy(winsys); + + FREE(screen); +} + + +/** + * Create a new brw_screen object + */ +struct pipe_screen * +brw_create_screen(struct pipe_winsys *winsys, uint pci_id) +{ + struct brw_screen *brwscreen = CALLOC_STRUCT(brw_screen); + + if (!brwscreen) + return NULL; + + brwscreen->pci_id = pci_id; + + brwscreen->screen.winsys = winsys; + + brwscreen->screen.destroy = brw_destroy_screen; + + brwscreen->screen.get_name = brw_get_name; + brwscreen->screen.get_vendor = brw_get_vendor; + brwscreen->screen.get_param = brw_get_param; + brwscreen->screen.get_paramf = brw_get_paramf; + brwscreen->screen.is_format_supported = brw_is_format_supported; + + brw_init_screen_texture_funcs(&brwscreen->screen); + u_simple_screen_init(&brwscreen->screen); + + return &brwscreen->screen; +} |