diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915tex/intel_context.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915tex/intel_context.c | 707 |
1 files changed, 707 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915tex/intel_context.c b/src/mesa/drivers/dri/i915tex/intel_context.c new file mode 100644 index 00000000000..3d51a6341c7 --- /dev/null +++ b/src/mesa/drivers/dri/i915tex/intel_context.c @@ -0,0 +1,707 @@ +/************************************************************************** + * + * 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 "glheader.h" +#include "context.h" +#include "matrix.h" +#include "simple_list.h" +#include "extensions.h" +#include "framebuffer.h" +#include "imports.h" + +#include "swrast/swrast.h" +#include "swrast_setup/swrast_setup.h" +#include "tnl/tnl.h" +#include "array_cache/acache.h" + +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +#include "drivers/common/driverfuncs.h" + +#include "intel_screen.h" + +#include "i830_dri.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" +#include "intel_pixel.h" +#include "intel_regions.h" +#include "intel_buffer_objects.h" +#include "intel_fbo.h" + +#include "vblank.h" +#include "utils.h" +#include "xmlpool.h" /* for symbolic values of enum-type options */ +#ifndef INTEL_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" + + +#define DRIVER_DATE "20060929" + +_glthread_Mutex lockMutex; +static GLboolean lockMutexInit = GL_FALSE; + + +static const GLubyte * +intelGetString(GLcontext * ctx, GLenum name) +{ + const char *chipset; + static char buffer[128]; + + switch (name) { + case GL_VENDOR: + return (GLubyte *) "Tungsten Graphics, Inc"; + break; + + case GL_RENDERER: + switch (intel_context(ctx)->intelScreen->deviceID) { + case PCI_CHIP_845_G: + chipset = "Intel(R) 845G"; + break; + case PCI_CHIP_I830_M: + chipset = "Intel(R) 830M"; + break; + case PCI_CHIP_I855_GM: + chipset = "Intel(R) 852GM/855GM"; + break; + case PCI_CHIP_I865_G: + chipset = "Intel(R) 865G"; + break; + case PCI_CHIP_I915_G: + chipset = "Intel(R) 915G"; + break; + case PCI_CHIP_I915_GM: + chipset = "Intel(R) 915GM"; + break; + case PCI_CHIP_I945_G: + chipset = "Intel(R) 945G"; + break; + case PCI_CHIP_I945_GM: + chipset = "Intel(R) 945GM"; + break; + default: + chipset = "Unknown Intel Chipset"; + break; + } + + (void) driGetRendererString(buffer, chipset, DRIVER_DATE, 0); + return (GLubyte *) buffer; + + default: + return NULL; + } +} + + +/** + * 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}, +#if 1 /* XXX FBO temporary? */ + {"GL_EXT_packed_depth_stencil", NULL}, +#endif + {"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} +}; + +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_arb_vertex_program_stage, + &_tnl_vertex_program_stage, +#if 1 + &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */ +#endif + &_tnl_render_stage, + 0, +}; + + +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}, + {NULL, 0} +}; + + +static void +intelInvalidateState(GLcontext * ctx, GLuint new_state) +{ + _swrast_InvalidateState(ctx, new_state); + _swsetup_InvalidateState(ctx, new_state); + _ac_InvalidateState(ctx, new_state); + _tnl_InvalidateState(ctx, new_state); + _tnl_invalidate_vertex_state(ctx, new_state); + intel_context(ctx)->NewGLState |= new_state; +} + + +void +intelFlush(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + + if (intel->Fallback) + _swrast_flush(ctx); + + INTEL_FIREVERTICES(intel); + + if (intel->batch->map != intel->batch->ptr) + intel_batchbuffer_flush(intel->batch); + + /* XXX: Need to do an MI_FLUSH here. + */ +} + + +/** + * Check if we need to rotate/warp the front color buffer to the + * rotated screen. We generally need to do this when we get a glFlush + * or glFinish after drawing to the front color buffer. + */ +static void +intelCheckFrontRotate(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == + BUFFER_BIT_FRONT_LEFT) { + intelScreenPrivate *screen = intel->intelScreen; + if (screen->current_rotation != 0) { + __DRIdrawablePrivate *dPriv = intel->driDrawable; + intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT); + } + } +} + + +/** + * Called via glFlush. + */ +static void +intelglFlush(GLcontext * ctx) +{ + intelFlush(ctx); + intelCheckFrontRotate(ctx); +} + +void +intelFinish(GLcontext * ctx) +{ + struct intel_context *intel = intel_context(ctx); + intelFlush(ctx); + if (intel->batch->last_fence) { + driFenceFinish(intel->batch->last_fence, + 0, GL_FALSE); + driFenceUnReference(intel->batch->last_fence); + intel->batch->last_fence = NULL; + } + intelCheckFrontRotate(ctx); +} + + +void +intelInitDriverFunctions(struct dd_function_table *functions) +{ + _mesa_init_driver_functions(functions); + + functions->Flush = intelglFlush; + 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; + + intelInitTextureFuncs(functions); + intelInitPixelFuncs(functions); + intelInitStateFuncs(functions); + intelInitBufferFuncs(functions); +} + + +GLboolean +intelInitContext(struct intel_context *intel, + const __GLcontextModes * mesaVis, + __DRIcontextPrivate * driContextPriv, + void *sharedContextPrivate, + struct dd_function_table *functions) +{ + GLcontext *ctx = &intel->ctx; + GLcontext *shareCtx = (GLcontext *) sharedContextPrivate; + __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + drmI830Sarea *saPriv = (drmI830Sarea *) + (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset); + int fthrottle_mode; + + if (!_mesa_initialize_context(&intel->ctx, + mesaVis, shareCtx, + functions, (void *) intel)) + return GL_FALSE; + + driContextPriv->driverPrivate = intel; + intel->intelScreen = intelScreen; + intel->driScreen = sPriv; + intel->sarea = saPriv; + + if (!lockMutexInit) { + lockMutexInit = GL_TRUE; + _glthread_INIT_MUTEX(lockMutex); + } + + driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache, + intel->driScreen->myNum, "i915"); + + ctx->Const.MaxTextureMaxAnisotropy = 2.0; + + /* This doesn't yet catch all non-conformant rendering, but it's a + * start. + */ + if (getenv("INTEL_STRICT_CONFORMANCE")) { + 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; + + ctx->Const.MinPointSize = 1.0; + ctx->Const.MinPointSizeAA = 1.0; + ctx->Const.MaxPointSize = 255.0; + ctx->Const.MaxPointSizeAA = 3.0; + ctx->Const.PointSizeGranularity = 1.0; + + ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */ + + /* Initialize the software rasterizer and helper modules. */ + _swrast_CreateContext(ctx); + _ac_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); + + /* Dri stuff */ + intel->hHWContext = driContextPriv->hHWContext; + intel->driFd = sPriv->fd; + intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock; + + intel->hw_stipple = 1; + + /* XXX FBO: this doesn't seem to be used anywhere */ + switch (mesaVis->depthBits) { + case 0: /* what to do in this case? */ + case 16: + intel->polygon_offset_scale = 1.0 / 0xffff; + break; + case 24: + intel->polygon_offset_scale = 2.0 / 0xffffff; /* req'd to pass glean */ + break; + default: + assert(0); + break; + } + + /* Initialize swrast, tnl driver tables: */ + intelInitSpanFuncs(ctx); + intelInitTriFuncs(ctx); + + + intel->RenderIndex = ~0; + + fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode"); + intel->iw.irq_seq = -1; + intel->irqsEmitted = 0; + + intel->do_irqs = (intel->intelScreen->irq_active && + fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS); + + intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS); + + intel->vblank_flags = (intel->intelScreen->irq_active != 0) + ? driGetDefaultVBlankFlags(&intel->optionCache) : VBLANK_FLAG_NO_IRQ; + + (*dri_interface->getUST) (&intel->swap_ust); + _math_matrix_ctr(&intel->ViewportMatrix); + + /* Disable imaging extension until convolution is working in + * teximage paths: + */ + driInitExtensions(ctx, card_extensions, +/* GL_TRUE, */ + GL_FALSE); + + + intel->batch = intel_batchbuffer_alloc(intel); + intel->last_swap_fence = NULL; + intel->first_swap_fence = NULL; + + intel_bufferobj_init(intel); + intel_fbo_init(intel); + + if (intel->ctx.Mesa_DXTn) { + _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); + _mesa_enable_extension(ctx, "GL_S3_s3tc"); + } + else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) { + _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc"); + } + + intel->prim.primitive = ~0; + + +#if DO_DEBUG + INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control); +#endif + + if (getenv("INTEL_NO_RAST")) { + fprintf(stderr, "disabling 3D rasterization\n"); + FALLBACK(intel, INTEL_FALLBACK_USER, 1); + } + + return GL_TRUE; +} + +void +intelDestroyContext(__DRIcontextPrivate * driContextPriv) +{ + struct intel_context *intel = + (struct intel_context *) driContextPriv->driverPrivate; + + assert(intel); /* should never be null */ + if (intel) { + GLboolean release_texture_heaps; + + INTEL_FIREVERTICES(intel); + + intel->vtbl.destroy(intel); + + release_texture_heaps = (intel->ctx.Shared->RefCount == 1); + _swsetup_DestroyContext(&intel->ctx); + _tnl_DestroyContext(&intel->ctx); + _ac_DestroyContext(&intel->ctx); + + _swrast_DestroyContext(&intel->ctx); + intel->Fallback = 0; /* don't call _swrast_Flush later */ + + 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 (release_texture_heaps) { + /* This share group is about to go away, free our private + * texture object data. + */ + if (INTEL_DEBUG & DEBUG_TEXTURE) + fprintf(stderr, "do something to free texture heaps\n"); + } + + /* free the Mesa context */ + _mesa_free_context_data(&intel->ctx); + } +} + +GLboolean +intelUnbindContext(__DRIcontextPrivate * driContextPriv) +{ + return GL_TRUE; +} + +GLboolean +intelMakeCurrent(__DRIcontextPrivate * driContextPriv, + __DRIdrawablePrivate * driDrawPriv, + __DRIdrawablePrivate * driReadPriv) +{ + + if (driContextPriv) { + struct intel_context *intel = + (struct intel_context *) driContextPriv->driverPrivate; + GLframebuffer *drawFb = (GLframebuffer *) driDrawPriv->driverPrivate; + GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate; + + + /* XXX FBO temporary fix-ups! */ + /* if the renderbuffers don't have regions, init them from the context */ + { + struct intel_renderbuffer *irbFront + = intel_get_renderbuffer(drawFb, BUFFER_FRONT_LEFT); + struct intel_renderbuffer *irbBack + = intel_get_renderbuffer(drawFb, BUFFER_BACK_LEFT); + struct intel_renderbuffer *irbDepth + = intel_get_renderbuffer(drawFb, BUFFER_DEPTH); + struct intel_renderbuffer *irbStencil + = intel_get_renderbuffer(drawFb, BUFFER_STENCIL); + + if (irbFront && !irbFront->region) { + intel_region_reference(&irbFront->region, intel->intelScreen->front_region); + } + if (irbBack && !irbBack->region) { + intel_region_reference(&irbBack->region, intel->intelScreen->back_region); + } + if (irbDepth && !irbDepth->region) { + intel_region_reference(&irbDepth->region, intel->intelScreen->depth_region); + } + if (irbStencil && !irbStencil->region) { + intel_region_reference(&irbStencil->region, intel->intelScreen->depth_region); + } + } + + _mesa_make_current(&intel->ctx, drawFb, readFb); + + /* The drawbuffer won't always be updated by _mesa_make_current: + */ + if (intel->ctx.DrawBuffer == drawFb) { + + if (intel->driDrawable != driDrawPriv) { + driDrawableInitVBlank(driDrawPriv, intel->vblank_flags, &intel->vbl_seq); + intel->driDrawable = driDrawPriv; + intelWindowMoved(intel); + } + + intel_draw_buffer(&intel->ctx, drawFb); + } + } + else { + _mesa_make_current(NULL, NULL, NULL); + } + + return GL_TRUE; +} + +static void +intelContendedLock(struct intel_context *intel, GLuint flags) +{ + __DRIdrawablePrivate *dPriv = intel->driDrawable; + __DRIscreenPrivate *sPriv = intel->driScreen; + intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private; + drmI830Sarea *sarea = intel->sarea; + + drmGetLock(intel->driFd, intel->hHWContext, flags); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - got contended lock\n", __progname); + + /* If the window moved, may need to set a new cliprect now. + * + * NOTE: This releases and regains the hw lock, so all state + * checking must be done *after* this call: + */ + if (dPriv) + DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv); + + if (sarea->width != intelScreen->width || + sarea->height != intelScreen->height || + sarea->rotation != intelScreen->current_rotation) { + + intelUpdateScreenRotation(sPriv, sarea); + + /* + * This will drop the outstanding batchbuffer on the floor + * FIXME: This should be done for all contexts? + */ + + intel_batchbuffer_reset(intel->batch); + + /* lose all primitives */ + intel->prim.primitive = ~0; + intel->prim.start_ptr = 0; + intel->prim.flush = 0; + + /* re-emit all state */ + intel->vtbl.lost_hardware(intel); + + /* force window update */ + intel->lastStamp = 0; + } + + + /* Drawable changed? + */ + if (dPriv && intel->lastStamp != dPriv->lastStamp) { + intelWindowMoved(intel); + intel->lastStamp = dPriv->lastStamp; + } +} + + +extern _glthread_Mutex lockMutex; + + +/* Lock the hardware and validate our state. + */ +void LOCK_HARDWARE( struct intel_context *intel ) +{ + char __ret=0; + + _glthread_LOCK_MUTEX(lockMutex); + assert(!intel->locked); + + if (intel->swap_scheduled) { + drmVBlank vbl; + vbl.request.type = DRM_VBLANK_ABSOLUTE; + if ( intel->vblank_flags & VBLANK_FLAG_SECONDARY ) { + vbl.request.type |= DRM_VBLANK_SECONDARY; + } + vbl.request.sequence = intel->vbl_seq; + drmWaitVBlank(intel->driFd, &vbl); + intel->swap_scheduled = 0; + } + + DRM_CAS(intel->driHwLock, intel->hHWContext, + (DRM_LOCK_HELD|intel->hHWContext), __ret); + + if (__ret) + intelContendedLock( intel, 0 ); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - locked\n", __progname); + + intel->locked = 1; +} + + + /* Unlock the hardware using the global current context + */ +void UNLOCK_HARDWARE( struct intel_context *intel ) +{ + intel->locked = 0; + + DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext); + + _glthread_UNLOCK_MUTEX(lockMutex); + + if (INTEL_DEBUG & DEBUG_LOCK) + _mesa_printf("%s - unlocked\n", __progname); +} + |