573 lines
16 KiB
C
573 lines
16 KiB
C
/**************************************************************************
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Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/*
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* Authors:
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* Keith Whitwell <keith@tungstengraphics.com>
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*
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*/
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#include "main/glheader.h"
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#include "main/context.h"
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#include "main/simple_list.h"
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#include "main/imports.h"
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#include "main/points.h"
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#include "swrast/swrast.h"
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#include "swrast_setup/swrast_setup.h"
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#include "tnl/tnl.h"
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#include "vbo/vbo.h"
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#include "tnl/t_pipeline.h"
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#include "drivers/common/driverfuncs.h"
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#include "i810screen.h"
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#include "i810_dri.h"
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#include "i810state.h"
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#include "i810tex.h"
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#include "i810span.h"
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#include "i810tris.h"
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#include "i810vb.h"
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#include "i810ioctl.h"
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#include "drirenderbuffer.h"
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#include "utils.h"
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#ifndef I810_DEBUG
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int I810_DEBUG = (0);
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#endif
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PUBLIC const char __driConfigOptions[] = { 0 };
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const GLuint __driNConfigOptions = 0;
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#define DRIVER_DATE "20050821"
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static const GLubyte *i810GetString( GLcontext *ctx, GLenum name )
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{
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static char buffer[128];
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switch (name) {
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case GL_VENDOR:
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return (GLubyte *)"Keith Whitwell";
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case GL_RENDERER: {
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i810ContextPtr imesa = I810_CONTEXT(ctx);
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const char * chipset;
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switch (imesa->i810Screen->deviceID) {
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case PCI_CHIP_I810: chipset = "i810"; break;
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case PCI_CHIP_I810_DC100: chipset = "i810 DC-100"; break;
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case PCI_CHIP_I810_E: chipset = "i810E"; break;
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case PCI_CHIP_I815: chipset = "i815"; break;
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default: chipset = "Unknown i810-class Chipset"; break;
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}
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(void) driGetRendererString( buffer, chipset, DRIVER_DATE, 0 );
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return (GLubyte *) buffer;
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}
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default:
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return 0;
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}
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}
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static void i810BufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
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{
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GET_CURRENT_CONTEXT(ctx);
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i810ContextPtr imesa = I810_CONTEXT(ctx);
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/* Need to lock to make sure the driDrawable is uptodate. This
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* information is used to resize Mesa's software buffers, so it has
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* to be correct.
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*/
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LOCK_HARDWARE(imesa);
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*width = imesa->driDrawable->w;
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*height = imesa->driDrawable->h;
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UNLOCK_HARDWARE(imesa);
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}
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/* Extension strings exported by the i810 driver.
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*/
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static const struct dri_extension card_extensions[] =
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{
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{ "GL_ARB_multitexture", NULL },
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{ "GL_ARB_texture_env_add", NULL },
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{ "GL_ARB_texture_env_combine", NULL },
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{ "GL_ARB_texture_env_crossbar", NULL },
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{ "GL_ARB_texture_mirrored_repeat", NULL },
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{ "GL_EXT_stencil_wrap", NULL },
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{ "GL_EXT_texture_edge_clamp", NULL },
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{ "GL_EXT_texture_env_combine", NULL },
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{ "GL_EXT_texture_lod_bias", NULL },
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{ "GL_EXT_texture_rectangle", NULL },
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{ "GL_MESA_ycbcr_texture", NULL },
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{ "GL_NV_blend_square", NULL },
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{ NULL, NULL }
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};
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extern const struct tnl_pipeline_stage _i810_render_stage;
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static const struct tnl_pipeline_stage *i810_pipeline[] = {
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&_tnl_vertex_transform_stage,
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&_tnl_normal_transform_stage,
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&_tnl_lighting_stage,
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&_tnl_fog_coordinate_stage,
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&_tnl_texgen_stage,
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&_tnl_texture_transform_stage,
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/* REMOVE: point attenuation stage */
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#if 1
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&_i810_render_stage, /* ADD: unclipped rastersetup-to-dma */
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#endif
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&_tnl_render_stage,
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0,
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};
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static const struct dri_debug_control debug_control[] =
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{
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{ "fall", DEBUG_FALLBACKS },
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{ "tex", DEBUG_TEXTURE },
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{ "ioctl", DEBUG_IOCTL },
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{ "prim", DEBUG_PRIMS },
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{ "vert", DEBUG_VERTS },
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{ "state", DEBUG_STATE },
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{ "verb", DEBUG_VERBOSE },
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{ "dri", DEBUG_DRI },
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{ "dma", DEBUG_DMA },
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{ "san", DEBUG_SANITY },
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{ "sync", DEBUG_SYNC },
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{ "sleep", DEBUG_SLEEP },
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{ NULL, 0 }
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};
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GLboolean
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i810CreateContext( gl_api api,
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const __GLcontextModes *mesaVis,
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__DRIcontext *driContextPriv,
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void *sharedContextPrivate )
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{
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GLcontext *ctx, *shareCtx;
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i810ContextPtr imesa;
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__DRIscreen *sPriv = driContextPriv->driScreenPriv;
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i810ScreenPrivate *i810Screen = (i810ScreenPrivate *)sPriv->private;
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I810SAREAPtr saPriv = (I810SAREAPtr)
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(((GLubyte *)sPriv->pSAREA) + i810Screen->sarea_priv_offset);
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struct dd_function_table functions;
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/* Allocate i810 context */
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imesa = (i810ContextPtr) CALLOC_STRUCT(i810_context_t);
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if (!imesa) {
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return GL_FALSE;
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}
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driContextPriv->driverPrivate = imesa;
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imesa->i810Screen = i810Screen;
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imesa->driScreen = sPriv;
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imesa->sarea = saPriv;
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imesa->glBuffer = NULL;
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/* Init default driver functions then plug in our I810-specific functions
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* (the texture functions are especially important)
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*/
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_mesa_init_driver_functions( &functions );
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i810InitIoctlFuncs( &functions );
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i810InitTextureFuncs( &functions );
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/* Allocate the Mesa context */
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if (sharedContextPrivate)
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shareCtx = ((i810ContextPtr) sharedContextPrivate)->glCtx;
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else
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shareCtx = NULL;
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imesa->glCtx = _mesa_create_context(mesaVis, shareCtx,
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&functions, (void*) imesa);
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if (!imesa->glCtx) {
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FREE(imesa);
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return GL_FALSE;
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}
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(void) memset( imesa->texture_heaps, 0, sizeof( imesa->texture_heaps ) );
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make_empty_list( & imesa->swapped );
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imesa->nr_heaps = 1;
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imesa->texture_heaps[0] = driCreateTextureHeap( 0, imesa,
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i810Screen->textureSize,
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12,
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I810_NR_TEX_REGIONS,
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imesa->sarea->texList,
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(unsigned *) & imesa->sarea->texAge, /* XXX we shouldn't cast! */
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& imesa->swapped,
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sizeof( struct i810_texture_object_t ),
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(destroy_texture_object_t *) i810DestroyTexObj );
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/* Set the maximum texture size small enough that we can guarentee
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* that both texture units can bind a maximal texture and have them
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* in memory at once.
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*/
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ctx = imesa->glCtx;
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ctx->Const.MaxTextureUnits = 2;
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ctx->Const.MaxTextureImageUnits = 2;
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ctx->Const.MaxTextureCoordUnits = 2;
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/* FIXME: driCalcualteMaxTextureLevels assumes that mipmaps are tightly
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* FIXME: packed, but they're not in Intel graphics hardware.
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*/
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driCalculateMaxTextureLevels( imesa->texture_heaps,
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imesa->nr_heaps,
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& ctx->Const,
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4,
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11, /* max 2D texture size is 2048x2048 */
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0, /* 3D textures unsupported */
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0, /* cube textures unsupported. */
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0, /* texture rectangles unsupported. */
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12,
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GL_FALSE,
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0 );
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ctx->Const.MinLineWidth = 1.0;
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ctx->Const.MinLineWidthAA = 1.0;
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ctx->Const.MaxLineWidth = 3.0;
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ctx->Const.MaxLineWidthAA = 3.0;
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ctx->Const.LineWidthGranularity = 1.0;
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ctx->Const.MinPointSize = 1.0;
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ctx->Const.MinPointSizeAA = 1.0;
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ctx->Const.MaxPointSize = 3.0;
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ctx->Const.MaxPointSizeAA = 3.0;
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ctx->Const.PointSizeGranularity = 1.0;
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/* reinitialize the context point state.
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* It depend on constants in __GLcontextRec::Const
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*/
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_mesa_init_point(ctx);
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ctx->Driver.GetBufferSize = i810BufferSize;
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ctx->Driver.GetString = i810GetString;
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/* Who owns who?
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*/
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ctx->DriverCtx = (void *) imesa;
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imesa->glCtx = ctx;
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/* Initialize the software rasterizer and helper modules.
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*/
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_swrast_CreateContext( ctx );
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_vbo_CreateContext( ctx );
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_tnl_CreateContext( ctx );
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_swsetup_CreateContext( ctx );
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/* Install the customized pipeline:
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*/
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_tnl_destroy_pipeline( ctx );
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_tnl_install_pipeline( ctx, i810_pipeline );
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/* Configure swrast and T&L to match hardware characteristics:
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*/
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_swrast_allow_pixel_fog( ctx, GL_FALSE );
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_swrast_allow_vertex_fog( ctx, GL_TRUE );
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_tnl_allow_pixel_fog( ctx, GL_FALSE );
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_tnl_allow_vertex_fog( ctx, GL_TRUE );
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/* Dri stuff
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*/
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imesa->hHWContext = driContextPriv->hHWContext;
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imesa->driFd = sPriv->fd;
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imesa->driHwLock = &sPriv->pSAREA->lock;
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imesa->stipple_in_hw = 1;
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imesa->RenderIndex = ~0;
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imesa->dirty = I810_UPLOAD_CTX|I810_UPLOAD_BUFFERS;
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imesa->upload_cliprects = GL_TRUE;
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imesa->CurrentTexObj[0] = 0;
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imesa->CurrentTexObj[1] = 0;
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_math_matrix_ctr( &imesa->ViewportMatrix );
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driInitExtensions( ctx, card_extensions, GL_TRUE );
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/* XXX these should really go right after _mesa_init_driver_functions() */
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i810InitStateFuncs( ctx );
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i810InitTriFuncs( ctx );
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i810InitSpanFuncs( ctx );
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i810InitVB( ctx );
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i810InitState( ctx );
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#if DO_DEBUG
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I810_DEBUG = driParseDebugString( getenv( "I810_DEBUG" ),
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debug_control );
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I810_DEBUG |= driParseDebugString( getenv( "INTEL_DEBUG" ),
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debug_control );
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#endif
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return GL_TRUE;
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}
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void
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i810DestroyContext(__DRIcontext *driContextPriv)
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{
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i810ContextPtr imesa = (i810ContextPtr) driContextPriv->driverPrivate;
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assert(imesa); /* should never be null */
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if (imesa) {
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GLboolean release_texture_heaps;
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release_texture_heaps = (imesa->glCtx->Shared->RefCount == 1);
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_swsetup_DestroyContext( imesa->glCtx );
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_tnl_DestroyContext( imesa->glCtx );
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_vbo_DestroyContext( imesa->glCtx );
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_swrast_DestroyContext( imesa->glCtx );
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i810FreeVB( imesa->glCtx );
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/* free the Mesa context */
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imesa->glCtx->DriverCtx = NULL;
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_mesa_destroy_context(imesa->glCtx);
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if ( release_texture_heaps ) {
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/* This share group is about to go away, free our private
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* texture object data.
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*/
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unsigned int i;
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for ( i = 0 ; i < imesa->nr_heaps ; i++ ) {
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driDestroyTextureHeap( imesa->texture_heaps[ i ] );
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imesa->texture_heaps[ i ] = NULL;
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}
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assert( is_empty_list( & imesa->swapped ) );
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}
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FREE(imesa);
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}
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}
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void i810XMesaSetFrontClipRects( i810ContextPtr imesa )
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{
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__DRIdrawable *dPriv = imesa->driDrawable;
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imesa->numClipRects = dPriv->numClipRects;
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imesa->pClipRects = dPriv->pClipRects;
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imesa->drawX = dPriv->x;
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imesa->drawY = dPriv->y;
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i810EmitDrawingRectangle( imesa );
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imesa->upload_cliprects = GL_TRUE;
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}
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void i810XMesaSetBackClipRects( i810ContextPtr imesa )
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{
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__DRIdrawable *dPriv = imesa->driDrawable;
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if (imesa->sarea->pf_enabled == 0 && dPriv->numBackClipRects == 0)
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{
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imesa->numClipRects = dPriv->numClipRects;
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imesa->pClipRects = dPriv->pClipRects;
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imesa->drawX = dPriv->x;
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imesa->drawY = dPriv->y;
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} else {
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imesa->numClipRects = dPriv->numBackClipRects;
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imesa->pClipRects = dPriv->pBackClipRects;
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imesa->drawX = dPriv->backX;
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imesa->drawY = dPriv->backY;
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}
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i810EmitDrawingRectangle( imesa );
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imesa->upload_cliprects = GL_TRUE;
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}
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static void i810XMesaWindowMoved( i810ContextPtr imesa )
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{
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/* Determine current color drawing buffer */
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switch (imesa->glCtx->DrawBuffer->_ColorDrawBufferIndexes[0]) {
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case BUFFER_FRONT_LEFT:
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i810XMesaSetFrontClipRects( imesa );
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break;
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case BUFFER_BACK_LEFT:
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i810XMesaSetBackClipRects( imesa );
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break;
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default:
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/* glDrawBuffer(GL_NONE or GL_FRONT_AND_BACK): software fallback */
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i810XMesaSetFrontClipRects( imesa );
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}
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}
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GLboolean
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i810UnbindContext(__DRIcontext *driContextPriv)
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{
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i810ContextPtr imesa = (i810ContextPtr) driContextPriv->driverPrivate;
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if (imesa) {
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imesa->dirty = I810_UPLOAD_CTX|I810_UPLOAD_BUFFERS;
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if (imesa->CurrentTexObj[0]) imesa->dirty |= I810_UPLOAD_TEX0;
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if (imesa->CurrentTexObj[1]) imesa->dirty |= I810_UPLOAD_TEX1;
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}
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return GL_TRUE;
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}
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GLboolean
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i810MakeCurrent(__DRIcontext *driContextPriv,
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__DRIdrawable *driDrawPriv,
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__DRIdrawable *driReadPriv)
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{
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if (driContextPriv) {
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i810ContextPtr imesa = (i810ContextPtr) driContextPriv->driverPrivate;
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/* Shouldn't the readbuffer be stored also?
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*/
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imesa->driDrawable = driDrawPriv;
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_mesa_make_current(imesa->glCtx,
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(GLframebuffer *) driDrawPriv->driverPrivate,
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(GLframebuffer *) driReadPriv->driverPrivate);
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/* Are these necessary?
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*/
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i810XMesaWindowMoved( imesa );
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}
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else {
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_mesa_make_current(NULL, NULL, NULL);
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}
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return GL_TRUE;
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}
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static void
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i810UpdatePageFlipping( i810ContextPtr imesa )
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{
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GLcontext *ctx = imesa->glCtx;
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int front = 0;
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/* Determine current color drawing buffer */
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switch (ctx->DrawBuffer->_ColorDrawBufferIndexes[0]) {
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case BUFFER_FRONT_LEFT:
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front = 1;
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break;
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case BUFFER_BACK_LEFT:
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front = 0;
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break;
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default:
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return;
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}
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if ( imesa->sarea->pf_current_page == 1 )
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front ^= 1;
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driFlipRenderbuffers(ctx->WinSysDrawBuffer, front);
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if (front) {
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imesa->BufferSetup[I810_DESTREG_DI1] = imesa->i810Screen->fbOffset | imesa->i810Screen->backPitchBits;
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} else {
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imesa->BufferSetup[I810_DESTREG_DI1] = imesa->i810Screen->backOffset | imesa->i810Screen->backPitchBits;
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}
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imesa->dirty |= I810_UPLOAD_BUFFERS;
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}
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void i810GetLock( i810ContextPtr imesa, GLuint flags )
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{
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__DRIdrawable *dPriv = imesa->driDrawable;
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__DRIscreen *sPriv = imesa->driScreen;
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I810SAREAPtr sarea = imesa->sarea;
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int me = imesa->hHWContext;
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unsigned i;
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drmGetLock(imesa->driFd, imesa->hHWContext, flags);
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/* If the window moved, may need to set a new cliprect now.
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*
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* NOTE: This releases and regains the hw lock, so all state
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* checking must be done *after* this call:
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*/
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DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
|
|
|
|
|
|
/* If we lost context, need to dump all registers to hardware.
|
|
* Note that we don't care about 2d contexts, even if they perform
|
|
* accelerated commands, so the DRI locking in the X server is even
|
|
* more broken than usual.
|
|
*/
|
|
if (sarea->ctxOwner != me) {
|
|
driUpdateFramebufferSize(imesa->glCtx, dPriv);
|
|
imesa->upload_cliprects = GL_TRUE;
|
|
imesa->dirty = I810_UPLOAD_CTX|I810_UPLOAD_BUFFERS;
|
|
if (imesa->CurrentTexObj[0]) imesa->dirty |= I810_UPLOAD_TEX0;
|
|
if (imesa->CurrentTexObj[1]) imesa->dirty |= I810_UPLOAD_TEX1;
|
|
sarea->ctxOwner = me;
|
|
}
|
|
|
|
/* Shared texture managment - if another client has played with
|
|
* texture space, figure out which if any of our textures have been
|
|
* ejected, and update our global LRU.
|
|
*/
|
|
for ( i = 0 ; i < imesa->nr_heaps ; i++ ) {
|
|
DRI_AGE_TEXTURES( imesa->texture_heaps[ i ] );
|
|
}
|
|
|
|
if (imesa->lastStamp != dPriv->lastStamp) {
|
|
i810UpdatePageFlipping( imesa );
|
|
i810XMesaWindowMoved( imesa );
|
|
imesa->lastStamp = dPriv->lastStamp;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
i810SwapBuffers( __DRIdrawable *dPriv )
|
|
{
|
|
if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
|
|
i810ContextPtr imesa;
|
|
GLcontext *ctx;
|
|
imesa = (i810ContextPtr) dPriv->driContextPriv->driverPrivate;
|
|
ctx = imesa->glCtx;
|
|
if (ctx->Visual.doubleBufferMode) {
|
|
_mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
|
|
if ( imesa->sarea->pf_active ) {
|
|
i810PageFlip( dPriv );
|
|
} else {
|
|
i810CopyBuffer( dPriv );
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
/* XXX this shouldn't be an error but we can't handle it for now */
|
|
_mesa_problem(NULL, "i810SwapBuffers: drawable has no context!\n");
|
|
}
|
|
}
|
|
|