diff options
Diffstat (limited to 'src/gallium/drivers/i965simple/brw_context.c')
| -rw-r--r-- | src/gallium/drivers/i965simple/brw_context.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965simple/brw_context.c b/src/gallium/drivers/i965simple/brw_context.c new file mode 100644 index 00000000000..5e58701e91c --- /dev/null +++ b/src/gallium/drivers/i965simple/brw_context.c @@ -0,0 +1,245 @@ +/* + Copyright (C) Intel Corp. 2006. All Rights Reserved. + Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to + develop this 3D driver. + + 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, sublicense, 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 NONINFRINGEMENT. + IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. + + **********************************************************************/ + /* + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + */ + + +#include "brw_context.h" +#include "brw_defines.h" +#include "brw_draw.h" +#include "brw_vs.h" +#include "brw_tex_layout.h" +#include "brw_winsys.h" + +#include "pipe/p_winsys.h" +#include "pipe/p_context.h" +#include "pipe/p_util.h" + +/*************************************** + * Mesa's Driver Functions + ***************************************/ + +#ifndef BRW_DEBUG +int BRW_DEBUG = (0); +#endif + +static void brw_destroy(struct pipe_context *pipe) +{ + struct brw_context *brw = brw_context(pipe); + + FREE(brw); +} + +static void brw_clear(struct pipe_context *pipe, struct pipe_surface *ps, + unsigned clearValue) +{ + int x, y, w, h; + /* FIXME: corny... */ + + x = 0; + y = 0; + w = ps->width; + h = ps->height; + + pipe->surface_fill(pipe, ps, x, y, w, h, clearValue); +} + + +static int +brw_get_param(struct pipe_context *pipe, 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_context *pipe, 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_context *pipe, + enum pipe_format format, uint type ) +{ +#if 0 + /* XXX: This is broken -- rewrite if still needed. */ + static const unsigned tex_supported[] = { + PIPE_FORMAT_U_R8_G8_B8_A8, + PIPE_FORMAT_U_A8_R8_G8_B8, + PIPE_FORMAT_U_R5_G6_B5, + PIPE_FORMAT_U_L8, + PIPE_FORMAT_U_A8, + PIPE_FORMAT_U_I8, + PIPE_FORMAT_U_L8_A8, + 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_U_A8_R8_G8_B8, + PIPE_FORMAT_U_R5_G6_B5, + }; + + /* + */ + static const unsigned z_stencil_supported[] = { + PIPE_FORMAT_U_Z16, + PIPE_FORMAT_U_Z32, + PIPE_FORMAT_S8_Z24, + }; + + 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 +} + + + + +struct pipe_context *brw_create(struct pipe_winsys *pipe_winsys, + struct brw_winsys *brw_winsys, + unsigned pci_id) +{ + struct brw_context *brw; + + pipe_winsys->printf(pipe_winsys, + "%s: creating brw_context with pci id 0x%x\n", + __FUNCTION__, pci_id); + + brw = CALLOC_STRUCT(brw_context); + if (brw == NULL) + return NULL; + + brw->winsys = brw_winsys; + brw->pipe.winsys = pipe_winsys; + + brw->pipe.destroy = brw_destroy; + brw->pipe.is_format_supported = brw_is_format_supported; + brw->pipe.get_param = brw_get_param; + brw->pipe.get_paramf = brw_get_paramf; + brw->pipe.clear = brw_clear; + brw->pipe.texture_create = brw_texture_create; + brw->pipe.texture_release = brw_texture_release; + + brw_init_surface_functions(brw); + brw_init_state_functions(brw); + brw_init_flush_functions(brw); + brw_init_string_functions(brw); + brw_init_draw_functions( brw ); + + + brw_init_state( brw ); + + brw->pci_id = pci_id; + brw->dirty = ~0; + brw->hardware_dirty = ~0; + + memset(&brw->wm.bind, ~0, sizeof(brw->wm.bind)); + + return &brw->pipe; +} + |