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/**************************************************************************
*
* Copyright 2003 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 "i830_dri.h"
#include "intel_screen.h"
#include "intel_context.h"
#include "intel_swapbuffers.h"
#include "intel_winsys.h"
#include "intel_batchbuffer.h"
#include "state_tracker/st_public.h"
#include "pipe/p_defines.h"
#include "pipe/p_context.h"
#include "utils.h"
#ifdef DEBUG
int __intel_debug = 0;
#endif
#define need_GL_ARB_multisample
#define need_GL_ARB_point_parameters
#define need_GL_ARB_texture_compression
#define need_GL_ARB_vertex_buffer_object
#define need_GL_ARB_vertex_program
#define need_GL_ARB_window_pos
#define need_GL_EXT_blend_color
#define need_GL_EXT_blend_equation_separate
#define need_GL_EXT_blend_func_separate
#define need_GL_EXT_blend_minmax
#define need_GL_EXT_cull_vertex
#define need_GL_EXT_fog_coord
#define need_GL_EXT_framebuffer_object
#define need_GL_EXT_multi_draw_arrays
#define need_GL_EXT_secondary_color
#define need_GL_NV_vertex_program
#include "extension_helper.h"
/**
* Extension strings exported by the intel driver.
*
* \note
* It appears that ARB_texture_env_crossbar has "disappeared" compared to the
* old i830-specific driver.
*/
const struct dri_extension card_extensions[] = {
{"GL_ARB_multisample", GL_ARB_multisample_functions},
{"GL_ARB_multitexture", NULL},
{"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
{"GL_ARB_texture_border_clamp", NULL},
{"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
{"GL_ARB_texture_cube_map", NULL},
{"GL_ARB_texture_env_add", NULL},
{"GL_ARB_texture_env_combine", NULL},
{"GL_ARB_texture_env_dot3", NULL},
{"GL_ARB_texture_mirrored_repeat", NULL},
{"GL_ARB_texture_rectangle", NULL},
{"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
{"GL_ARB_pixel_buffer_object", NULL},
{"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
{"GL_ARB_window_pos", GL_ARB_window_pos_functions},
{"GL_EXT_blend_color", GL_EXT_blend_color_functions},
{"GL_EXT_blend_equation_separate", GL_EXT_blend_equation_separate_functions},
{"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
{"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
{"GL_EXT_blend_subtract", NULL},
{"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
{"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
{"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
{"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
{"GL_EXT_packed_depth_stencil", NULL},
{"GL_EXT_pixel_buffer_object", NULL},
{"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
{"GL_EXT_stencil_wrap", NULL},
{"GL_EXT_texture_edge_clamp", NULL},
{"GL_EXT_texture_env_combine", NULL},
{"GL_EXT_texture_env_dot3", NULL},
{"GL_EXT_texture_filter_anisotropic", NULL},
{"GL_EXT_texture_lod_bias", NULL},
{"GL_3DFX_texture_compression_FXT1", NULL},
{"GL_APPLE_client_storage", NULL},
{"GL_MESA_pack_invert", NULL},
{"GL_MESA_ycbcr_texture", NULL},
{"GL_NV_blend_square", NULL},
{"GL_NV_vertex_program", GL_NV_vertex_program_functions},
{"GL_NV_vertex_program1_1", NULL},
{"GL_SGIS_generate_mipmap", NULL },
{NULL, NULL}
};
#ifdef DEBUG
static const struct dri_debug_control debug_control[] = {
{"ioctl", DEBUG_IOCTL},
{"bat", DEBUG_BATCH},
{"lock", DEBUG_LOCK},
{"swap", DEBUG_SWAP},
{NULL, 0}
};
#endif
GLboolean
intelCreateContext(const __GLcontextModes * visual,
__DRIcontextPrivate * driContextPriv,
void *sharedContextPrivate)
{
struct intel_context *intel = CALLOC_STRUCT(intel_context);
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = intel_screen(sPriv);
drmI830Sarea *saPriv = intelScreen->sarea;
int fthrottle_mode;
GLboolean havePools;
struct pipe_context *pipe;
struct pipe_winsys *winsys;
struct st_context *st_share = NULL;
if (sharedContextPrivate) {
st_share = ((struct intel_context *) sharedContextPrivate)->st;
}
driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
intel->driScreen = sPriv;
intel->sarea = saPriv;
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
intel->driScreen->myNum, "i915");
/*
* memory pools
*/
DRM_LIGHT_LOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext);
havePools = intelCreatePools(sPriv);
DRM_UNLOCK(sPriv->fd, &sPriv->pSAREA->lock, driContextPriv->hHWContext);
if (!havePools)
return GL_FALSE;
/* Dri stuff */
intel->hHWContext = driContextPriv->hHWContext;
intel->driFd = sPriv->fd;
intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock;
fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
intel->iw.irq_seq = -1;
intel->irqsEmitted = 0;
intel->batch = intel_batchbuffer_alloc(intel);
intel->last_swap_fence = NULL;
intel->first_swap_fence = NULL;
#ifdef DEBUG
__intel_debug = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
#endif
winsys = intel_create_pipe_winsys( intel );
/*
* Pipe-related setup
*/
if (!getenv("INTEL_HW")) {
pipe = intel_create_softpipe( intel, winsys );
}
else {
switch (intel->intelScreen->deviceID) {
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_I915_G:
case PCI_CHIP_I915_GM:
pipe = intel_create_i915simple( intel, winsys );
break;
default:
fprintf(stderr, "Unknown PCIID %x in %s, using software driver\n",
intel->intelScreen->deviceID, __FUNCTION__);
pipe = intel_create_softpipe( intel, winsys );
break;
}
}
intel->st = st_create_context(pipe, visual, st_share);
return GL_TRUE;
}
void
intelDestroyContext(__DRIcontextPrivate * driContextPriv)
{
struct intel_context *intel = intel_context(driContextPriv);
assert(intel); /* should never be null */
if (intel) {
st_flush(intel->st);
intel_batchbuffer_free(intel->batch);
if (intel->last_swap_fence) {
driFenceFinish(intel->last_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
driFenceUnReference(intel->last_swap_fence);
intel->last_swap_fence = NULL;
}
if (intel->first_swap_fence) {
driFenceFinish(intel->first_swap_fence, DRM_FENCE_TYPE_EXE, GL_TRUE);
driFenceUnReference(intel->first_swap_fence);
intel->first_swap_fence = NULL;
}
if (intel->intelScreen->dummyContext == intel)
intel->intelScreen->dummyContext = NULL;
st_destroy_context(intel->st);
free(intel);
}
}
GLboolean
intelUnbindContext(__DRIcontextPrivate * driContextPriv)
{
struct intel_context *intel = intel_context(driContextPriv);
st_flush(intel->st);
/* XXX make_current(NULL)? */
return GL_TRUE;
}
GLboolean
intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
__DRIdrawablePrivate * driDrawPriv,
__DRIdrawablePrivate * driReadPriv)
{
if (driContextPriv) {
struct intel_context *intel = intel_context(driContextPriv);
struct intel_framebuffer *draw_fb = intel_framebuffer(driDrawPriv);
struct intel_framebuffer *read_fb = intel_framebuffer(driReadPriv);
assert(draw_fb->stfb);
assert(read_fb->stfb);
/* This is for situations in which we need a rendering context but
* there may not be any currently bound.
*/
intel->intelScreen->dummyContext = intel;
st_make_current(intel->st, draw_fb->stfb, read_fb->stfb);
if ((intel->driDrawable != driDrawPriv) ||
(intel->lastStamp != driDrawPriv->lastStamp)) {
intel->driDrawable = driDrawPriv;
intelUpdateWindowSize(driDrawPriv);
intel->lastStamp = driDrawPriv->lastStamp;
}
/* The size of the draw buffer will have been updated above.
* If the readbuffer is a different window, check/update its size now.
*/
if (driReadPriv != driDrawPriv) {
intelUpdateWindowSize(driReadPriv);
}
}
else {
st_make_current(NULL, NULL, NULL);
}
return GL_TRUE;
}
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