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authorKristian Høgsberg <krh@redhat.com>2008-02-22 18:06:19 -0500
committerKristian Høgsberg <krh@redhat.com>2008-02-22 21:44:00 -0500
commitdd1d66fc4ab5d7064113a2017a431c3461598b91 (patch)
treee09343282afaeddb69547133097a435981239b56 /src/mesa/drivers/dri/intel/intel_context.c
parentc99fa92ff84e927c82e1231d96921fda9a2b0852 (diff)
intel: Merge intel_context.c from i915 and i965.
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_context.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_context.c307
1 files changed, 215 insertions, 92 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c
index 1c340f7940..d4c2b0f70c 100644
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -51,8 +51,6 @@
#include "intel_chipset.h"
#include "intel_buffers.h"
#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_tris.h"
#include "intel_ioctl.h"
#include "intel_batchbuffer.h"
#include "intel_blit.h"
@@ -71,12 +69,14 @@
int INTEL_DEBUG = (0);
#endif
+#define need_GL_NV_point_sprite
#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_ARB_occlusion_query
#define need_GL_EXT_blend_color
#define need_GL_EXT_blend_equation_separate
#define need_GL_EXT_blend_func_separate
@@ -87,15 +87,17 @@ int INTEL_DEBUG = (0);
#define need_GL_EXT_multi_draw_arrays
#define need_GL_EXT_secondary_color
#define need_GL_NV_vertex_program
-#include "extension_helper.h"
+#define need_GL_ATI_separate_stencil
+#define need_GL_EXT_point_parameters
+#define need_GL_VERSION_2_0
+#define need_GL_VERSION_2_1
+#define need_GL_ARB_shader_objects
+#define need_GL_ARB_vertex_shader
+#include "extension_helper.h"
#define DRIVER_DATE "20061102"
-_glthread_Mutex lockMutex;
-static GLboolean lockMutexInit = GL_FALSE;
-
-
static const GLubyte *
intelGetString(GLcontext * ctx, GLenum name)
{
@@ -148,6 +150,25 @@ intelGetString(GLcontext * ctx, GLenum name)
case PCI_CHIP_Q33_G:
chipset = "Intel(R) Q33";
break;
+ 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_I946_GZ:
+ chipset = "Intel(R) 946GZ";
+ break;
+ case PCI_CHIP_I965_GM:
+ chipset = "Intel(R) 965GM";
+ break;
+ case PCI_CHIP_I965_GME:
+ chipset = "Intel(R) 965GME/GLE";
+ break;
+ case PCI_CHIP_IGD_GM:
+ chipset = "Intel(R) Integrated Graphics Device";
+ break;
default:
chipset = "Unknown Intel Chipset";
break;
@@ -161,14 +182,18 @@ intelGetString(GLcontext * ctx, GLenum name)
}
}
-
/**
* 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_NV_point_sprite", GL_NV_point_sprite_functions},
{"GL_ARB_texture_border_clamp", NULL},
{"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
{"GL_ARB_texture_cube_map", NULL},
@@ -176,7 +201,12 @@ const struct dri_extension card_extensions[] = {
{"GL_ARB_texture_env_combine", NULL},
{"GL_ARB_texture_env_dot3", NULL},
{"GL_ARB_texture_mirrored_repeat", NULL},
+ {"GL_ARB_texture_non_power_of_two", NULL },
{"GL_ARB_texture_rectangle", NULL},
+ {"GL_NV_texture_rectangle", NULL},
+ {"GL_EXT_texture_rectangle", NULL},
+ {"GL_ARB_point_sprite", NULL},
+ {"GL_ARB_point_parameters", NULL},
{"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
{"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
{"GL_ARB_window_pos", GL_ARB_window_pos_functions},
@@ -185,10 +215,12 @@ const struct dri_extension card_extensions[] = {
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_logic_op", NULL},
{"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_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
+ {"GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions},
#if 1 /* XXX FBO temporary? */
{"GL_EXT_packed_depth_stencil", NULL},
#endif
@@ -199,6 +231,7 @@ const struct dri_extension card_extensions[] = {
{"GL_EXT_texture_env_dot3", NULL},
{"GL_EXT_texture_filter_anisotropic", NULL},
{"GL_EXT_texture_lod_bias", NULL},
+ {"GL_EXT_texture_sRGB", NULL},
{"GL_3DFX_texture_compression_FXT1", NULL},
{"GL_APPLE_client_storage", NULL},
{"GL_MESA_pack_invert", NULL},
@@ -210,60 +243,98 @@ const struct dri_extension card_extensions[] = {
{NULL, NULL}
};
+const struct dri_extension brw_extensions[] = {
+ { "GL_ARB_shading_language_100", GL_VERSION_2_0_functions},
+ { "GL_ARB_shading_language_120", GL_VERSION_2_1_functions},
+ { "GL_ARB_shader_objects", GL_ARB_shader_objects_functions},
+ { "GL_ARB_vertex_shader", GL_ARB_vertex_shader_functions},
+ { "GL_ARB_fragment_shader", NULL },
+ { "GL_ARB_draw_buffers", NULL },
+ {NULL, NULL}
+};
+
+const struct dri_extension arb_oc_extensions[] = {
+ {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions},
+ {NULL, NULL}
+};
+
const struct dri_extension ttm_extensions[] = {
{"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
{"GL_ARB_pixel_buffer_object", NULL},
{NULL, NULL}
};
-extern const struct tnl_pipeline_stage _intel_render_stage;
-
-static const struct tnl_pipeline_stage *intel_pipeline[] = {
- &_tnl_vertex_transform_stage,
- &_tnl_vertex_cull_stage,
- &_tnl_normal_transform_stage,
- &_tnl_lighting_stage,
- &_tnl_fog_coordinate_stage,
- &_tnl_texgen_stage,
- &_tnl_texture_transform_stage,
- &_tnl_point_attenuation_stage,
- &_tnl_vertex_program_stage,
-#if 1
- &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */
-#endif
- &_tnl_render_stage,
- 0,
-};
+/**
+ * Initializes potential list of extensions if ctx == NULL, or actually enables
+ * extensions for a context.
+ */
+static void intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging)
+{
+ struct intel_context *intel = ctx?intel_context(ctx):NULL;
+
+ /* Disable imaging extension until convolution is working in teximage paths.
+ */
+ enable_imaging = GL_FALSE;
+
+ driInitExtensions(ctx, card_extensions, enable_imaging);
+
+ if (intel == NULL || intel->ttm)
+ driInitExtensions(ctx, ttm_extensions, GL_FALSE);
+
+ if (intel == NULL || intel->intelScreen->drmMinor >= 8)
+ driInitExtensions(ctx, arb_oc_extensions, GL_FALSE);
+ if (intel == NULL || IS_965(intel->intelScreen->deviceID))
+ driInitExtensions(ctx, brw_extensions, GL_FALSE);
+}
static const struct dri_debug_control debug_control[] = {
- {"tex", DEBUG_TEXTURE},
- {"state", DEBUG_STATE},
- {"ioctl", DEBUG_IOCTL},
- {"blit", DEBUG_BLIT},
- {"mip", DEBUG_MIPTREE},
- {"fall", DEBUG_FALLBACKS},
- {"verb", DEBUG_VERBOSE},
- {"bat", DEBUG_BATCH},
- {"pix", DEBUG_PIXEL},
- {"buf", DEBUG_BUFMGR},
- {"reg", DEBUG_REGION},
- {"fbo", DEBUG_FBO},
- {"lock", DEBUG_LOCK},
- {"sync", DEBUG_SYNC},
- {NULL, 0}
+ { "tex", DEBUG_TEXTURE},
+ { "state", DEBUG_STATE},
+ { "ioctl", DEBUG_IOCTL},
+ { "blit", DEBUG_BLIT},
+ { "mip", DEBUG_MIPTREE},
+ { "fall", DEBUG_FALLBACKS},
+ { "verb", DEBUG_VERBOSE},
+ { "bat", DEBUG_BATCH},
+ { "pix", DEBUG_PIXEL},
+ { "buf", DEBUG_BUFMGR},
+ { "reg", DEBUG_REGION},
+ { "fbo", DEBUG_FBO},
+ { "lock", DEBUG_LOCK},
+ { "sync", DEBUG_SYNC},
+ { "prim", DEBUG_PRIMS },
+ { "vert", DEBUG_VERTS },
+ { "dri", DEBUG_DRI },
+ { "dma", DEBUG_DMA },
+ { "san", DEBUG_SANITY },
+ { "sleep", DEBUG_SLEEP },
+ { "stats", DEBUG_STATS },
+ { "tile", DEBUG_TILE },
+ { "sing", DEBUG_SINGLE_THREAD },
+ { "thre", DEBUG_SINGLE_THREAD },
+ { "wm", DEBUG_WM },
+ { "urb", DEBUG_URB },
+ { "vs", DEBUG_VS },
+ { NULL, 0 }
};
static void
intelInvalidateState(GLcontext * ctx, GLuint new_state)
{
+ struct intel_context *intel = intel_context(ctx);
+
_swrast_InvalidateState(ctx, new_state);
_swsetup_InvalidateState(ctx, new_state);
_vbo_InvalidateState(ctx, new_state);
_tnl_InvalidateState(ctx, new_state);
_tnl_invalidate_vertex_state(ctx, new_state);
- intel_context(ctx)->NewGLState |= new_state;
+
+ intel->NewGLState |= new_state;
+
+ if (intel->vtbl.invalidate_state)
+ intel->vtbl.invalidate_state( intel, new_state );
}
@@ -275,7 +346,8 @@ intelFlush(GLcontext * ctx)
if (intel->Fallback)
_swrast_flush(ctx);
- INTEL_FIREVERTICES(intel);
+ if (!IS_965(intel->intelScreen->deviceID))
+ INTEL_FIREVERTICES(intel);
if (intel->batch->map != intel->batch->ptr)
intel_batchbuffer_flush(intel->batch);
@@ -296,6 +368,37 @@ intelFinish(GLcontext * ctx)
}
}
+static void
+intelBeginQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ struct intel_context *intel = intel_context( ctx );
+ struct drm_i915_mmio io = {
+ .read_write = I915_MMIO_READ,
+ .reg = MMIO_REGS_PS_DEPTH_COUNT,
+ .data = &q->Result
+ };
+ intel->stats_wm++;
+ intelFinish(&intel->ctx);
+ drmCommandWrite(intel->driFd, DRM_I915_MMIO, &io, sizeof(io));
+}
+
+static void
+intelEndQuery(GLcontext *ctx, GLenum target, struct gl_query_object *q)
+{
+ struct intel_context *intel = intel_context( ctx );
+ GLuint64EXT tmp;
+ struct drm_i915_mmio io = {
+ .read_write = I915_MMIO_READ,
+ .reg = MMIO_REGS_PS_DEPTH_COUNT,
+ .data = &tmp
+ };
+ intelFinish(&intel->ctx);
+ drmCommandWrite(intel->driFd, DRM_I915_MMIO, &io, sizeof(io));
+ q->Result = tmp - q->Result;
+ q->Ready = GL_TRUE;
+ intel->stats_wm--;
+}
+
/** Driver-specific fence emit implementation for the fake memory manager. */
static unsigned int
intel_fence_emit(void *private)
@@ -381,13 +484,16 @@ intelInitDriverFunctions(struct dd_function_table *functions)
functions->Finish = intelFinish;
functions->GetString = intelGetString;
functions->UpdateState = intelInvalidateState;
+
functions->CopyColorTable = _swrast_CopyColorTable;
functions->CopyColorSubTable = _swrast_CopyColorSubTable;
functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
+ functions->BeginQuery = intelBeginQuery;
+ functions->EndQuery = intelEndQuery;
+
intelInitTextureFuncs(functions);
- intelInitPixelFuncs(functions);
intelInitStateFuncs(functions);
intelInitBufferFuncs(functions);
}
@@ -404,14 +510,15 @@ intelInitContext(struct intel_context *intel,
GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
__DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
- struct drm_i915_sarea *saPriv = (struct drm_i915_sarea *)
+ volatile struct drm_i915_sarea *saPriv = (struct drm_i915_sarea *)
(((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset);
int fthrottle_mode;
- if (!_mesa_initialize_context(&intel->ctx,
- mesaVis, shareCtx,
- functions, (void *) intel))
+ if (!_mesa_initialize_context(&intel->ctx, mesaVis, shareCtx,
+ functions, (void *) intel)) {
+ _mesa_printf("%s: failed to init mesa context\n", __FUNCTION__);
return GL_FALSE;
+ }
driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
@@ -434,13 +541,9 @@ intelInitContext(struct intel_context *intel,
if (!intel_init_bufmgr(intel))
return GL_FALSE;
- if (!lockMutexInit) {
- lockMutexInit = GL_TRUE;
- _glthread_INIT_MUTEX(lockMutex);
- }
-
driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
- intel->driScreen->myNum, "i915");
+ intel->driScreen->myNum,
+ IS_965(intelScreen->deviceID) ? "i965" : "i915");
ctx->Const.MaxTextureMaxAnisotropy = 2.0;
@@ -451,11 +554,20 @@ intelInitContext(struct intel_context *intel,
intel->strict_conformance = 1;
}
- ctx->Const.MinLineWidth = 1.0;
- ctx->Const.MinLineWidthAA = 1.0;
- ctx->Const.MaxLineWidth = 3.0;
- ctx->Const.MaxLineWidthAA = 3.0;
- ctx->Const.LineWidthGranularity = 1.0;
+ if (intel->strict_conformance) {
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = 1.0;
+ ctx->Const.MaxLineWidthAA = 1.0;
+ ctx->Const.LineWidthGranularity = 1.0;
+ }
+ else {
+ ctx->Const.MinLineWidth = 1.0;
+ ctx->Const.MinLineWidthAA = 1.0;
+ ctx->Const.MaxLineWidth = 5.0;
+ ctx->Const.MaxLineWidthAA = 5.0;
+ ctx->Const.LineWidthGranularity = 0.5;
+ }
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
@@ -475,15 +587,12 @@ intelInitContext(struct intel_context *intel,
_vbo_CreateContext(ctx);
_tnl_CreateContext(ctx);
_swsetup_CreateContext(ctx);
-
- /* Install the customized pipeline: */
- _tnl_destroy_pipeline(ctx);
- _tnl_install_pipeline(ctx, intel_pipeline);
-
+
/* Configure swrast to match hardware characteristics: */
_swrast_allow_pixel_fog(ctx, GL_FALSE);
_swrast_allow_vertex_fog(ctx, GL_TRUE);
+ intel->hw_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
intel->hw_stipple = 1;
/* XXX FBO: this doesn't seem to be used anywhere */
@@ -500,10 +609,8 @@ intelInitContext(struct intel_context *intel,
break;
}
- /* Initialize swrast, tnl driver tables: */
- intelInitSpanFuncs(ctx);
- intelInitTriFuncs(ctx);
-
+ if (IS_965(intelScreen->deviceID))
+ intel->polygon_offset_scale /= 0xffff;
intel->RenderIndex = ~0;
@@ -517,15 +624,16 @@ intelInitContext(struct intel_context *intel,
_math_matrix_ctr(&intel->ViewportMatrix);
- /* Disable imaging extension until convolution is working in
- * teximage paths:
- */
- driInitExtensions(ctx, card_extensions,
-/* GL_TRUE, */
- GL_FALSE);
+ if (IS_965(intelScreen->deviceID) && !intel->intelScreen->irq_active) {
+ _mesa_printf("IRQs not active. Exiting\n");
+ exit(1);
+ }
- if (intel->ttm)
- driInitExtensions(ctx, ttm_extensions, GL_FALSE);
+ intelInitExtensions(ctx, GL_FALSE);
+
+ INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
+ if (INTEL_DEBUG & DEBUG_BUFMGR)
+ dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
if (!sPriv->dri2.enabled)
intel_recreate_static_regions(intel);
@@ -547,15 +655,11 @@ intelInitContext(struct intel_context *intel,
intel->prim.primitive = ~0;
-#if DO_DEBUG
- INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
- if (INTEL_DEBUG & DEBUG_BUFMGR)
- dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
-#endif
-
+ /* Force all software fallbacks */
if (driQueryOptionb(&intel->optionCache, "no_rast")) {
fprintf(stderr, "disabling 3D rasterization\n");
FALLBACK(intel, INTEL_FALLBACK_USER, 1);
+ intel->no_rast = 1;
}
/* Disable all hardware rendering (skip emitting batches and fences/waits
@@ -652,10 +756,12 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
intel_renderbuffer_set_region(intel_fb->color_rb[1],
intel->back_region);
}
+#if 0
if (intel_fb->color_rb[2]) {
intel_renderbuffer_set_region(intel_fb->color_rb[2],
intel->third_region);
}
+#endif
if (irbDepth) {
intel_renderbuffer_set_region(irbDepth, intel->depth_region);
}
@@ -677,6 +783,9 @@ intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
*/
if (intel->ctx.DrawBuffer == &intel_fb->Base) {
+ if (intel->driReadDrawable != driReadPriv)
+ intel->driReadDrawable = driReadPriv;
+
if (intel->driDrawable != driDrawPriv) {
if (driDrawPriv->swap_interval == (unsigned)-1) {
int i;
@@ -713,8 +822,9 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
{
__DRIdrawablePrivate *dPriv = intel->driDrawable;
__DRIscreenPrivate *sPriv = intel->driScreen;
- struct drm_i915_sarea *sarea = intel->sarea;
+ volatile struct drm_i915_sarea *sarea = intel->sarea;
int drawable_changed = 0;
+ int me = intel->hHWContext;
drmGetLock(intel->driFd, intel->hHWContext, flags);
@@ -733,6 +843,14 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
}
+ if (sarea && sarea->ctxOwner != me) {
+ if (INTEL_DEBUG & DEBUG_BUFMGR) {
+ fprintf(stderr, "Lost Context: sarea->ctxOwner %x me %x\n",
+ sarea->ctxOwner, me);
+ }
+ sarea->ctxOwner = me;
+ }
+
/* If the last consumer of the texture memory wasn't us, notify the fake
* bufmgr and record the new owner. We should have the memory shared
* between contexts of a single fake bufmgr, but this will at least make
@@ -743,11 +861,13 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
dri_bufmgr_fake_contended_lock_take(intel->bufmgr);
if (INTEL_DEBUG & DEBUG_BATCH)
intel_decode_context_reset();
+ if (INTEL_DEBUG & DEBUG_BUFMGR)
+ fprintf(stderr, "Lost Textures: sarea->texAge %x hw context %x\n",
+ sarea->ctxOwner, intel->hHWContext);
}
if (!sPriv->dri2.enabled) {
- if (sarea->width != intel->width ||
- sarea->height != intel->height) {
+ if (sarea->width != intel->width || sarea->height != intel->height) {
int numClipRects = intel->numClipRects;
/*
@@ -756,14 +876,16 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
*/
/*
- * This will essentially drop the outstanding batchbuffer on the floor.
+ * This will essentially drop the outstanding batchbuffer on
+ * the floor.
*/
intel->numClipRects = 0;
if (intel->Fallback)
_swrast_flush(&intel->ctx);
- INTEL_FIREVERTICES(intel);
+ if (!IS_965(intel->intelScreen->deviceID))
+ INTEL_FIREVERTICES(intel);
if (intel->batch->map != intel->batch->ptr)
intel_batchbuffer_flush(intel->batch);
@@ -790,15 +912,17 @@ intelContendedLock(struct intel_context *intel, GLuint flags)
}
+_glthread_DECLARE_STATIC_MUTEX(lockMutex);
/* Lock the hardware and validate our state.
*/
void LOCK_HARDWARE( struct intel_context *intel )
{
__DRIdrawablePrivate *dPriv = intel->driDrawable;
- char __ret=0;
+ char __ret = 0;
struct intel_framebuffer *intel_fb = NULL;
struct intel_renderbuffer *intel_rb = NULL;
+
_glthread_LOCK_MUTEX(lockMutex);
assert(!intel->locked);
@@ -830,18 +954,17 @@ void LOCK_HARDWARE( struct intel_context *intel )
DRM_CAS(intel->driHwLock, intel->hHWContext,
(DRM_LOCK_HELD|intel->hHWContext), __ret);
- intel->locked = 1;
-
if (__ret)
intelContendedLock( intel, 0 );
+ intel->locked = 1;
if (INTEL_DEBUG & DEBUG_LOCK)
_mesa_printf("%s - locked\n", __progname);
}
- /* Unlock the hardware using the global current context
- */
+/* Unlock the hardware using the global current context
+ */
void UNLOCK_HARDWARE( struct intel_context *intel )
{
intel->locked = 0;