+++ /dev/null
-/**************************************************************************
- *
- * 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 "i830_common.h"
-
-#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_tris.h"
-#include "intel_ioctl.h"
-#include "intel_batchbuffer.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_multi_draw_arrays
-#define need_GL_EXT_secondary_color
-#define need_GL_NV_vertex_program
-#include "extension_helper.h"
-
-#ifndef VERBOSE
-int VERBOSE = 0;
-#endif
-
-#if DEBUG_LOCKING
-char *prevLockFile;
-int prevLockLine;
-#endif
-
-/***************************************
- * Mesa's Driver Functions
- ***************************************/
-
-#define DRIVER_DATE "20050225"
-
-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;
- }
-}
-
-static void intelBufferSize(GLframebuffer *buffer,
- GLuint *width, GLuint *height)
-{
- GET_CURRENT_CONTEXT(ctx);
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- /* Need to lock to make sure the driDrawable is uptodate. This
- * information is used to resize Mesa's software buffers, so it has
- * to be correct.
- */
- LOCK_HARDWARE(intel);
- if (intel->driDrawable) {
- *width = intel->driDrawable->w;
- *height = intel->driDrawable->h;
- }
- else {
- *width = 0;
- *height = 0;
- }
- UNLOCK_HARDWARE(intel);
-}
-
-
-/**
- * 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_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_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions },
- { "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[] =
-{
- { "fall", DEBUG_FALLBACKS },
- { "tex", DEBUG_TEXTURE },
- { "ioctl", DEBUG_IOCTL },
- { "prim", DEBUG_PRIMS },
- { "vert", DEBUG_VERTS },
- { "state", DEBUG_STATE },
- { "verb", DEBUG_VERBOSE },
- { "dri", DEBUG_DRI },
- { "dma", DEBUG_DMA },
- { "san", DEBUG_SANITY },
- { "sync", DEBUG_SYNC },
- { "sleep", DEBUG_SLEEP },
- { "pix", DEBUG_PIXEL },
- { 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 intelInitDriverFunctions( struct dd_function_table *functions )
-{
- _mesa_init_driver_functions( functions );
-
- functions->Clear = intelClear;
- functions->Flush = intelglFlush;
- functions->Finish = intelFinish;
- functions->GetBufferSize = intelBufferSize;
- 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 );
-}
-
-static void intel_emit_invarient_state( GLcontext *ctx )
-{
-}
-
-
-
-GLboolean intelInitContext( intelContextPtr 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;
-
-
- (void) memset( intel->texture_heaps, 0, sizeof( intel->texture_heaps ) );
- make_empty_list( & intel->swapped );
-
- driParseConfigFiles (&intel->optionCache, &intelScreen->optionCache,
- intel->driScreen->myNum, "i915");
-
- ctx->Const.MaxTextureMaxAnisotropy = 2.0;
-
- 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;
-
- /* 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_stencil = mesaVis->stencilBits && mesaVis->depthBits == 24;
- intel->hw_stipple = 1;
-
- switch(mesaVis->depthBits) {
- case 0: /* what to do in this case? */
- case 16:
- intel->depth_scale = 1.0/0xffff;
- intel->polygon_offset_scale = 1.0/0xffff;
- intel->depth_clear_mask = ~0;
- intel->ClearDepth = 0xffff;
- break;
- case 24:
- intel->depth_scale = 1.0/0xffffff;
- intel->polygon_offset_scale = 2.0/0xffffff; /* req'd to pass glean */
- intel->depth_clear_mask = 0x00ffffff;
- intel->stencil_clear_mask = 0xff000000;
- intel->ClearDepth = 0x00ffffff;
- 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);
-
- driInitExtensions( ctx, card_extensions, GL_TRUE );
-
- 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" );
- }
-
-/* driInitTextureObjects( ctx, & intel->swapped, */
-/* DRI_TEXMGR_DO_TEXTURE_1D | */
-/* DRI_TEXMGR_DO_TEXTURE_2D | */
-/* DRI_TEXMGR_DO_TEXTURE_RECT ); */
-
-
- intelInitBatchBuffer(&intel->ctx);
- intel->prim.flush = intel_emit_invarient_state;
- intel->prim.primitive = ~0;
-
-
-#if DO_DEBUG
- INTEL_DEBUG = driParseDebugString( getenv( "INTEL_DEBUG" ),
- debug_control );
- INTEL_DEBUG |= driParseDebugString( getenv( "INTEL_DEBUG" ),
- debug_control );
-#endif
-
-#ifndef VERBOSE
- if (getenv("INTEL_VERBOSE"))
- VERBOSE=1;
-#endif
-
- if (getenv("INTEL_NO_RAST") ||
- getenv("INTEL_NO_RAST")) {
- fprintf(stderr, "disabling 3D rasterization\n");
- FALLBACK(intel, INTEL_FALLBACK_USER, 1);
- }
-
- return GL_TRUE;
-}
-
-void intelDestroyContext(__DRIcontextPrivate *driContextPriv)
-{
- intelContextPtr intel = (intelContextPtr) 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 */
-
- intelDestroyBatchBuffer(&intel->ctx);
-
-
- if ( release_texture_heaps ) {
- /* This share group is about to go away, free our private
- * texture object data.
- */
- int i;
-
- for ( i = 0 ; i < intel->nr_heaps ; i++ ) {
- driDestroyTextureHeap( intel->texture_heaps[ i ] );
- intel->texture_heaps[ i ] = NULL;
- }
-
- assert( is_empty_list( & intel->swapped ) );
- }
-
- /* free the Mesa context */
- _mesa_destroy_context(&intel->ctx);
- }
-}
-
-void intelSetFrontClipRects( intelContextPtr intel )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
-
- if (!dPriv) return;
-
- intel->numClipRects = dPriv->numClipRects;
- intel->pClipRects = dPriv->pClipRects;
- intel->drawX = dPriv->x;
- intel->drawY = dPriv->y;
-}
-
-
-void intelSetBackClipRects( intelContextPtr intel )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
-
- if (!dPriv) return;
-
- if (intel->sarea->pf_enabled == 0 && dPriv->numBackClipRects == 0) {
- intel->numClipRects = dPriv->numClipRects;
- intel->pClipRects = dPriv->pClipRects;
- intel->drawX = dPriv->x;
- intel->drawY = dPriv->y;
- } else {
- intel->numClipRects = dPriv->numBackClipRects;
- intel->pClipRects = dPriv->pBackClipRects;
- intel->drawX = dPriv->backX;
- intel->drawY = dPriv->backY;
-
- if (dPriv->numBackClipRects == 1 &&
- dPriv->x == dPriv->backX &&
- dPriv->y == dPriv->backY) {
-
- /* Repeat the calculation of the back cliprect dimensions here
- * as early versions of dri.a in the Xserver are incorrect. Try
- * very hard not to restrict future versions of dri.a which
- * might eg. allocate truly private back buffers.
- */
- int x1, y1;
- int x2, y2;
-
- x1 = dPriv->x;
- y1 = dPriv->y;
- x2 = dPriv->x + dPriv->w;
- y2 = dPriv->y + dPriv->h;
-
- if (x1 < 0) x1 = 0;
- if (y1 < 0) y1 = 0;
- if (x2 > intel->intelScreen->width) x2 = intel->intelScreen->width;
- if (y2 > intel->intelScreen->height) y2 = intel->intelScreen->height;
-
- if (x1 == dPriv->pBackClipRects[0].x1 &&
- y1 == dPriv->pBackClipRects[0].y1) {
-
- dPriv->pBackClipRects[0].x2 = x2;
- dPriv->pBackClipRects[0].y2 = y2;
- }
- }
- }
-}
-
-
-void intelWindowMoved( intelContextPtr intel )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
-
- if (!intel->ctx.DrawBuffer) {
- intelSetFrontClipRects( intel );
- }
- else {
- driUpdateFramebufferSize(&intel->ctx, intel->driDrawable);
-
- switch (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0]) {
- case BUFFER_BIT_FRONT_LEFT:
- intelSetFrontClipRects( intel );
- break;
- case BUFFER_BIT_BACK_LEFT:
- intelSetBackClipRects( intel );
- break;
- default:
- /* glDrawBuffer(GL_NONE or GL_FRONT_AND_BACK): software fallback */
- intelSetFrontClipRects( intel );
- }
- }
-
- _mesa_resize_framebuffer(&intel->ctx,
- (GLframebuffer*)dPriv->driverPrivate,
- dPriv->w, dPriv->h);
-
- /* Set state we know depends on drawable parameters:
- */
- {
- GLcontext *ctx = &intel->ctx;
-
- if (intel->intelScreen->driScrnPriv->ddxMinor >= 7) {
- drmI830Sarea *sarea = intel->sarea;
- drm_clip_rect_t drw_rect = { .x1 = dPriv->x, .x2 = dPriv->x + dPriv->w,
- .y1 = dPriv->y, .y2 = dPriv->y + dPriv->h };
- drm_clip_rect_t pipeA_rect = { .x1 = sarea->pipeA_x,
- .x2 = sarea->pipeA_x + sarea->pipeA_w,
- .y1 = sarea->pipeA_y,
- .y2 = sarea->pipeA_y + sarea->pipeA_h };
- drm_clip_rect_t pipeB_rect = { .x1 = sarea->pipeB_x,
- .x2 = sarea->pipeB_x + sarea->pipeB_w,
- .y1 = sarea->pipeB_y,
- .y2 = sarea->pipeB_y + sarea->pipeB_h };
- GLint areaA = driIntersectArea( drw_rect, pipeA_rect );
- GLint areaB = driIntersectArea( drw_rect, pipeB_rect );
- GLuint flags = intel->vblank_flags;
-
- if (areaB > areaA || (areaA > 0 && areaB > 0)) {
- flags = intel->vblank_flags | VBLANK_FLAG_SECONDARY;
- } else {
- flags = intel->vblank_flags & ~VBLANK_FLAG_SECONDARY;
- }
-
- if (flags != intel->vblank_flags) {
- intel->vblank_flags = flags;
- driGetCurrentVBlank(dPriv, intel->vblank_flags, &intel->vbl_seq);
- }
- } else {
- intel->vblank_flags &= ~VBLANK_FLAG_SECONDARY;
- }
-
- ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
- ctx->Scissor.Width, ctx->Scissor.Height );
-
- ctx->Driver.DepthRange( ctx,
- ctx->Viewport.Near,
- ctx->Viewport.Far );
- }
-}
-
-GLboolean intelUnbindContext(__DRIcontextPrivate *driContextPriv)
-{
- return GL_TRUE;
-}
-
-GLboolean intelMakeCurrent(__DRIcontextPrivate *driContextPriv,
- __DRIdrawablePrivate *driDrawPriv,
- __DRIdrawablePrivate *driReadPriv)
-{
-
- if (driContextPriv) {
- intelContextPtr intel = (intelContextPtr) driContextPriv->driverPrivate;
-
- if ( intel->driDrawable != driDrawPriv ) {
- /* Shouldn't the readbuffer be stored also? */
- driDrawableInitVBlank( driDrawPriv, intel->vblank_flags,
- &intel->vbl_seq );
-
- intel->driDrawable = driDrawPriv;
- intelWindowMoved( intel );
- }
-
- _mesa_make_current(&intel->ctx,
- (GLframebuffer *) driDrawPriv->driverPrivate,
- (GLframebuffer *) driReadPriv->driverPrivate);
-
- intel->ctx.Driver.DrawBuffer( &intel->ctx, intel->ctx.Color.DrawBuffer[0] );
- } else {
- _mesa_make_current(NULL, NULL, NULL);
- }
-
- return GL_TRUE;
-}
-
-/**
- * Use the information in the sarea to update the screen parameters
- * related to screen rotation.
- */
-static void
-intelUpdateScreenRotation(intelContextPtr intel,
- __DRIscreenPrivate *sPriv,
- drmI830Sarea *sarea)
-{
- intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
- intelRegion *colorBuf;
-
- intelUnmapScreenRegions(intelScreen);
-
- intelUpdateScreenFromSAREA(intelScreen, sarea);
-
- /* update the current hw offsets for the color and depth buffers */
- if (intel->ctx.DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_BACK_LEFT)
- colorBuf = &intelScreen->back;
- else
- colorBuf = &intelScreen->front;
- intel->vtbl.update_color_z_regions(intel, colorBuf, &intelScreen->depth);
-
- if (!intelMapScreenRegions(sPriv)) {
- fprintf(stderr, "ERROR Remapping screen regions!!!\n");
- }
-}
-
-void intelGetLock( intelContextPtr intel, GLuint flags )
-{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- __DRIscreenPrivate *sPriv = intel->driScreen;
- intelScreenPrivate *intelScreen = (intelScreenPrivate *)sPriv->private;
- drmI830Sarea * sarea = intel->sarea;
- unsigned i;
-
- drmGetLock(intel->driFd, intel->hHWContext, flags);
-
- /* 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 (dPriv && intel->lastStamp != dPriv->lastStamp) {
- intelWindowMoved( intel );
- intel->lastStamp = dPriv->lastStamp;
- }
-
- /* 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->width != intelScreen->width ||
- sarea->height != intelScreen->height ||
- sarea->rotation != intelScreen->current_rotation) {
- intelUpdateScreenRotation(intel, sPriv, sarea);
-
- /* This will drop the outstanding batchbuffer on the floor */
- intel->batch.ptr -= (intel->batch.size - intel->batch.space);
- intel->batch.space = intel->batch.size;
- /* lose all primitives */
- intel->prim.primitive = ~0;
- intel->prim.start_ptr = 0;
- intel->prim.flush = 0;
- intel->vtbl.lost_hardware( intel );
-
- intel->lastStamp = 0; /* force window update */
-
- /* Release batch buffer
- */
- intelDestroyBatchBuffer(&intel->ctx);
- intelInitBatchBuffer(&intel->ctx);
- intel->prim.flush = intel_emit_invarient_state;
-
- /* Still need to reset the global LRU?
- */
- intel_driReinitTextureHeap( intel->texture_heaps[0], intel->intelScreen->tex.size );
- }
-
- /* 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 < intel->nr_heaps ; i++ ) {
- DRI_AGE_TEXTURES( intel->texture_heaps[ i ] );
- }
-}
-
-
-void intelSwapBuffers( __DRIdrawablePrivate *dPriv )
-{
- if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
- intelContextPtr intel;
- GLcontext *ctx;
- intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
- ctx = &intel->ctx;
- if (ctx->Visual.doubleBufferMode) {
- intelScreenPrivate *screen = intel->intelScreen;
- _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
- if ( 0 /*intel->doPageFlip*/ ) { /* doPageFlip is never set !!! */
- intelPageFlip( dPriv );
- } else {
- intelCopyBuffer( dPriv, NULL );
- }
- if (screen->current_rotation != 0) {
- intelRotateWindow(intel, dPriv, BUFFER_BIT_FRONT_LEFT);
- }
- }
- } else {
- /* XXX this shouldn't be an error but we can't handle it for now */
- fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
- }
-}
-
-void intelCopySubBuffer( __DRIdrawablePrivate *dPriv,
- int x, int y, int w, int h )
-{
- if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
- intelContextPtr intel;
- GLcontext *ctx;
- intel = (intelContextPtr) dPriv->driContextPriv->driverPrivate;
- ctx = &intel->ctx;
- if (ctx->Visual.doubleBufferMode) {
- drm_clip_rect_t rect;
- rect.x1 = x + dPriv->x;
- rect.y1 = (dPriv->h - y - h) + dPriv->y;
- rect.x2 = rect.x1 + w;
- rect.y2 = rect.y1 + h;
- _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
- intelCopyBuffer( dPriv, &rect );
- }
- } else {
- /* XXX this shouldn't be an error but we can't handle it for now */
- fprintf(stderr, "%s: drawable has no context!\n", __FUNCTION__);
- }
-}
-
-void intelInitState( GLcontext *ctx )
-{
- /* Mesa should do this for us:
- */
- ctx->Driver.AlphaFunc( ctx,
- ctx->Color.AlphaFunc,
- ctx->Color.AlphaRef);
-
- ctx->Driver.BlendColor( ctx,
- ctx->Color.BlendColor );
-
- ctx->Driver.BlendEquationSeparate( ctx,
- ctx->Color.BlendEquationRGB,
- ctx->Color.BlendEquationA);
-
- ctx->Driver.BlendFuncSeparate( ctx,
- ctx->Color.BlendSrcRGB,
- ctx->Color.BlendDstRGB,
- ctx->Color.BlendSrcA,
- ctx->Color.BlendDstA);
-
- ctx->Driver.ColorMask( ctx,
- ctx->Color.ColorMask[RCOMP],
- ctx->Color.ColorMask[GCOMP],
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP]);
-
- ctx->Driver.CullFace( ctx, ctx->Polygon.CullFaceMode );
- ctx->Driver.DepthFunc( ctx, ctx->Depth.Func );
- ctx->Driver.DepthMask( ctx, ctx->Depth.Mask );
-
- ctx->Driver.Enable( ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled );
- ctx->Driver.Enable( ctx, GL_BLEND, ctx->Color.BlendEnabled );
- ctx->Driver.Enable( ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled );
- ctx->Driver.Enable( ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled );
- ctx->Driver.Enable( ctx, GL_CULL_FACE, ctx->Polygon.CullFlag );
- ctx->Driver.Enable( ctx, GL_DEPTH_TEST, ctx->Depth.Test );
- ctx->Driver.Enable( ctx, GL_DITHER, ctx->Color.DitherFlag );
- ctx->Driver.Enable( ctx, GL_FOG, ctx->Fog.Enabled );
- ctx->Driver.Enable( ctx, GL_LIGHTING, ctx->Light.Enabled );
- ctx->Driver.Enable( ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag );
- ctx->Driver.Enable( ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag );
- ctx->Driver.Enable( ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled );
- ctx->Driver.Enable( ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled );
- ctx->Driver.Enable( ctx, GL_TEXTURE_1D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_2D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_3D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE );
-
- ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color );
- ctx->Driver.Fogfv( ctx, GL_FOG_MODE, 0 );
- ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
- ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start );
- ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End );
-
- ctx->Driver.FrontFace( ctx, ctx->Polygon.FrontFace );
-
- {
- GLfloat f = (GLfloat)ctx->Light.Model.ColorControl;
- ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f );
- }
-
- ctx->Driver.LineWidth( ctx, ctx->Line.Width );
- ctx->Driver.LogicOpcode( ctx, ctx->Color.LogicOp );
- ctx->Driver.PointSize( ctx, ctx->Point.Size );
- ctx->Driver.PolygonStipple( ctx, (const GLubyte *)ctx->PolygonStipple );
- ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
- ctx->Scissor.Width, ctx->Scissor.Height );
- ctx->Driver.ShadeModel( ctx, ctx->Light.ShadeModel );
- ctx->Driver.StencilFuncSeparate( ctx, GL_FRONT,
- ctx->Stencil.Function[0],
- ctx->Stencil.Ref[0],
- ctx->Stencil.ValueMask[0] );
- ctx->Driver.StencilFuncSeparate( ctx, GL_BACK,
- ctx->Stencil.Function[1],
- ctx->Stencil.Ref[1],
- ctx->Stencil.ValueMask[1] );
- ctx->Driver.StencilMaskSeparate( ctx, GL_FRONT, ctx->Stencil.WriteMask[0] );
- ctx->Driver.StencilMaskSeparate( ctx, GL_BACK, ctx->Stencil.WriteMask[1] );
- ctx->Driver.StencilOpSeparate( ctx, GL_FRONT,
- ctx->Stencil.FailFunc[0],
- ctx->Stencil.ZFailFunc[0],
- ctx->Stencil.ZPassFunc[0]);
- ctx->Driver.StencilOpSeparate( ctx, GL_BACK,
- ctx->Stencil.FailFunc[1],
- ctx->Stencil.ZFailFunc[1],
- ctx->Stencil.ZPassFunc[1]);
-
-
- ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] );
-}
-
-
projects / mesa.git / blobdiff