diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_context.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_context.c | 782 |
1 files changed, 0 insertions, 782 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_context.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_context.c deleted file mode 100644 index 4c18eba9b..000000000 --- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_context.c +++ /dev/null @@ -1,782 +0,0 @@ -/* - * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. - * Copyright 2001-2003 S3 Graphics, Inc. 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 - * VIA, S3 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. - */ - -/** - * \file via_context.c - * - * \author John Sheng (presumably of either VIA Technologies or S3 Graphics) - * \author Others at VIA Technologies? - * \author Others at S3 Graphics? - */ - -#include "glheader.h" -#include "context.h" -#include "matrix.h" -#include "state.h" -#include "simple_list.h" -#include "extensions.h" -#include "framebuffer.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 "drivers/common/driverfuncs.h" - -#include "via_screen.h" -#include "via_dri.h" - -#include "via_state.h" -#include "via_tex.h" -#include "via_span.h" -#include "via_tris.h" -#include "via_ioctl.h" -#include "via_fb.h" - -#include <stdio.h> -#include "macros.h" - -#define need_GL_ARB_multisample -#define need_GL_ARB_point_parameters -#define need_GL_EXT_fog_coord -#define need_GL_EXT_secondary_color -#include "extension_helper.h" - -#define DRIVER_DATE "20050526" - -#include "vblank.h" -#include "utils.h" - -GLuint VIA_DEBUG = 0; - -/** - * Return various strings for \c glGetString. - * - * \sa glGetString - */ -static const GLubyte *viaGetString(GLcontext *ctx, GLenum name) -{ - static char buffer[128]; - unsigned offset; - - - switch (name) { - case GL_VENDOR: - return (GLubyte *)"VIA Technology"; - - case GL_RENDERER: { - static const char * const chipset_names[] = { - "UniChrome", - "CastleRock (CLE266)", - "UniChrome (KM400)", - "UniChrome (K8M800)", - "UniChrome (PM8x0/CN400)", - }; - struct via_context *vmesa = VIA_CONTEXT(ctx); - unsigned id = vmesa->viaScreen->deviceID; - - offset = driGetRendererString( buffer, - chipset_names[(id > VIA_PM800) ? 0 : id], - DRIVER_DATE, 0 ); - return (GLubyte *)buffer; - } - - default: - return NULL; - } -} - - -/** - * Calculate a width that satisfies the hardware's alignment requirements. - * On the Unichrome hardware, each scanline must be aligned to a multiple of - * 16 pixels. - * - * \param width Minimum buffer width, in pixels. - * - * \returns A pixel width that meets the alignment requirements. - */ -static __inline__ unsigned -buffer_align( unsigned width ) -{ - return (width + 0x0f) & ~0x0f; -} - - -/** - * Calculate the framebuffer parameters for all buffers (front, back, depth, - * and stencil) associated with the specified context. - * - * \warning - * This function also calls \c AllocateBuffer to actually allocate the - * buffers. - * - * \sa AllocateBuffer - */ -static GLboolean -calculate_buffer_parameters( struct via_context *vmesa ) -{ - const unsigned shift = vmesa->viaScreen->bitsPerPixel / 16; - const unsigned extra = 32; - unsigned w; - unsigned h; - - /* Allocate front-buffer */ - if (vmesa->drawType == GLX_PBUFFER_BIT) { - w = vmesa->driDrawable->w; - h = vmesa->driDrawable->h; - - vmesa->front.bpp = vmesa->viaScreen->bitsPerPixel; - vmesa->front.pitch = buffer_align( w ) << shift; - vmesa->front.size = vmesa->front.pitch * h; - - if (vmesa->front.map) - via_free_draw_buffer(vmesa, &vmesa->front); - if (!via_alloc_draw_buffer(vmesa, &vmesa->front)) - return GL_FALSE; - - } else { - w = vmesa->viaScreen->width; - h = vmesa->viaScreen->height; - - vmesa->front.bpp = vmesa->viaScreen->bitsPerPixel; - vmesa->front.pitch = buffer_align( w ) << shift; - vmesa->front.size = vmesa->front.pitch * h; - if (getenv("ALTERNATE_SCREEN")) - vmesa->front.offset = vmesa->front.size; - else - vmesa->front.offset = 0; - vmesa->front.map = (char *) vmesa->driScreen->pFB; - } - - - /* Allocate back-buffer */ - if (vmesa->hasBack) { - vmesa->back.bpp = vmesa->viaScreen->bitsPerPixel; - vmesa->back.pitch = (buffer_align( vmesa->driDrawable->w ) << shift); - vmesa->back.pitch += extra; - vmesa->back.pitch = MIN2(vmesa->back.pitch, vmesa->front.pitch); - vmesa->back.size = vmesa->back.pitch * vmesa->driDrawable->h; - if (vmesa->back.map) - via_free_draw_buffer(vmesa, &vmesa->back); - if (!via_alloc_draw_buffer(vmesa, &vmesa->back)) - return GL_FALSE; - } - else { - if (vmesa->back.map) - via_free_draw_buffer(vmesa, &vmesa->back); - (void) memset( &vmesa->back, 0, sizeof( vmesa->back ) ); - } - - - /* Allocate depth-buffer */ - if ( vmesa->hasStencil || vmesa->hasDepth ) { - vmesa->depth.bpp = vmesa->depthBits; - if (vmesa->depth.bpp == 24) - vmesa->depth.bpp = 32; - - vmesa->depth.pitch = (buffer_align( vmesa->driDrawable->w ) * - (vmesa->depth.bpp/8)) + extra; - vmesa->depth.size = vmesa->depth.pitch * vmesa->driDrawable->h; - - if (vmesa->depth.map) - via_free_draw_buffer(vmesa, &vmesa->depth); - if (!via_alloc_draw_buffer(vmesa, &vmesa->depth)) { - return GL_FALSE; - } - } - else { - if (vmesa->depth.map) - via_free_draw_buffer(vmesa, &vmesa->depth); - (void) memset( & vmesa->depth, 0, sizeof( vmesa->depth ) ); - } - - if( vmesa->viaScreen->width == vmesa->driDrawable->w && - vmesa->viaScreen->height == vmesa->driDrawable->h ) { - vmesa->doPageFlip = vmesa->allowPageFlip; - assert(vmesa->back.pitch == vmesa->front.pitch); - } - else - vmesa->doPageFlip = GL_FALSE; - - return GL_TRUE; -} - - -void viaReAllocateBuffers(GLcontext *ctx, GLframebuffer *drawbuffer, - GLuint width, GLuint height) -{ - struct via_context *vmesa = VIA_CONTEXT(ctx); - -#if 0 - _swrast_alloc_buffers( drawbuffer ); -#else - _mesa_resize_framebuffer(ctx, drawbuffer, width, height); -#endif - - calculate_buffer_parameters( vmesa ); -} - -static void viaBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height) -{ - GET_CURRENT_CONTEXT(ctx); - struct via_context *vmesa = VIA_CONTEXT(ctx); - *width = vmesa->driDrawable->w; - *height = vmesa->driDrawable->h; -} - -/* Extension strings exported by the Unichrome 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_env_add", NULL }, - { "GL_ARB_texture_env_combine", NULL }, -/* { "GL_ARB_texture_env_dot3", NULL }, */ - { "GL_ARB_texture_mirrored_repeat", NULL }, - { "GL_EXT_fog_coord", GL_EXT_fog_coord_functions }, - { "GL_EXT_secondary_color", GL_EXT_secondary_color_functions }, - { "GL_EXT_stencil_wrap", NULL }, - { "GL_EXT_texture_env_combine", NULL }, -/* { "GL_EXT_texture_env_dot3", NULL }, */ - { "GL_EXT_texture_lod_bias", NULL }, - { "GL_NV_blend_square", NULL }, - { NULL, NULL } -}; - -extern const struct tnl_pipeline_stage _via_fastrender_stage; -extern const struct tnl_pipeline_stage _via_render_stage; - -static const struct tnl_pipeline_stage *via_pipeline[] = { - &_tnl_vertex_transform_stage, - &_tnl_normal_transform_stage, - &_tnl_lighting_stage, - &_tnl_fog_coordinate_stage, - &_tnl_texgen_stage, - &_tnl_texture_transform_stage, - /* REMOVE: point attenuation stage */ -#if 1 - &_via_fastrender_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 }, - { "2d", DEBUG_2D }, - { NULL, 0 } -}; - - -static GLboolean -AllocateDmaBuffer(struct via_context *vmesa) -{ - if (vmesa->dma) - via_free_dma_buffer(vmesa); - - if (!via_alloc_dma_buffer(vmesa)) - return GL_FALSE; - - vmesa->dmaLow = 0; - vmesa->dmaCliprectAddr = ~0; - return GL_TRUE; -} - -static void -FreeBuffer(struct via_context *vmesa) -{ - if (vmesa->front.map && vmesa->drawType == GLX_PBUFFER_BIT) - via_free_draw_buffer(vmesa, &vmesa->front); - - if (vmesa->back.map) - via_free_draw_buffer(vmesa, &vmesa->back); - - if (vmesa->depth.map) - via_free_draw_buffer(vmesa, &vmesa->depth); - - if (vmesa->breadcrumb.map) - via_free_draw_buffer(vmesa, &vmesa->breadcrumb); - - if (vmesa->dma) - via_free_dma_buffer(vmesa); -} - - -GLboolean -viaCreateContext(const __GLcontextModes *visual, - __DRIcontextPrivate *driContextPriv, - void *sharedContextPrivate) -{ - GLcontext *ctx, *shareCtx; - struct via_context *vmesa; - __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv; - viaScreenPrivate *viaScreen = (viaScreenPrivate *)sPriv->private; - drm_via_sarea_t *saPriv = (drm_via_sarea_t *) - (((GLubyte *)sPriv->pSAREA) + viaScreen->sareaPrivOffset); - struct dd_function_table functions; - - /* Allocate via context */ - vmesa = (struct via_context *) CALLOC_STRUCT(via_context); - if (!vmesa) { - return GL_FALSE; - } - - /* Parse configuration files. - */ - driParseConfigFiles (&vmesa->optionCache, &viaScreen->optionCache, - sPriv->myNum, "via"); - - /* pick back buffer */ - vmesa->hasBack = visual->doubleBufferMode; - - switch(visual->depthBits) { - case 0: - vmesa->hasDepth = GL_FALSE; - vmesa->depthBits = 0; - vmesa->depth_max = 1.0; - break; - case 16: - vmesa->hasDepth = GL_TRUE; - vmesa->depthBits = visual->depthBits; - vmesa->have_hw_stencil = GL_FALSE; - vmesa->depth_max = (GLfloat)0xffff; - vmesa->depth_clear_mask = 0xf << 28; - vmesa->ClearDepth = 0xffff; - vmesa->polygon_offset_scale = 1.0 / vmesa->depth_max; - break; - case 24: - vmesa->hasDepth = GL_TRUE; - vmesa->depthBits = visual->depthBits; - vmesa->depth_max = (GLfloat) 0xffffff; - vmesa->depth_clear_mask = 0xe << 28; - vmesa->ClearDepth = 0xffffff00; - - assert(visual->haveStencilBuffer); - assert(visual->stencilBits == 8); - - vmesa->have_hw_stencil = GL_TRUE; - vmesa->stencilBits = visual->stencilBits; - vmesa->stencil_clear_mask = 0x1 << 28; - vmesa->polygon_offset_scale = 2.0 / vmesa->depth_max; - break; - case 32: - vmesa->hasDepth = GL_TRUE; - vmesa->depthBits = visual->depthBits; - assert(!visual->haveStencilBuffer); - vmesa->have_hw_stencil = GL_FALSE; - vmesa->depth_max = (GLfloat)0xffffffff; - vmesa->depth_clear_mask = 0xf << 28; - vmesa->ClearDepth = 0xffffffff; - vmesa->polygon_offset_scale = 2.0 / vmesa->depth_max; - break; - default: - assert(0); - break; - } - - make_empty_list(&vmesa->freed_tex_buffers); - make_empty_list(&vmesa->tex_image_list[VIA_MEM_VIDEO]); - make_empty_list(&vmesa->tex_image_list[VIA_MEM_AGP]); - make_empty_list(&vmesa->tex_image_list[VIA_MEM_SYSTEM]); - - _mesa_init_driver_functions(&functions); - viaInitTextureFuncs(&functions); - - /* Allocate the Mesa context */ - if (sharedContextPrivate) - shareCtx = ((struct via_context *) sharedContextPrivate)->glCtx; - else - shareCtx = NULL; - - vmesa->glCtx = _mesa_create_context(visual, shareCtx, &functions, - (void*) vmesa); - - vmesa->shareCtx = shareCtx; - - if (!vmesa->glCtx) { - FREE(vmesa); - return GL_FALSE; - } - driContextPriv->driverPrivate = vmesa; - - ctx = vmesa->glCtx; - - ctx->Const.MaxTextureLevels = 10; - ctx->Const.MaxTextureUnits = 2; - ctx->Const.MaxTextureImageUnits = ctx->Const.MaxTextureUnits; - ctx->Const.MaxTextureCoordUnits = ctx->Const.MaxTextureUnits; - - 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; - - ctx->Const.MinPointSize = 1.0; - ctx->Const.MinPointSizeAA = 1.0; - ctx->Const.MaxPointSize = 1.0; - ctx->Const.MaxPointSizeAA = 1.0; - ctx->Const.PointSizeGranularity = 1.0; - - ctx->Driver.GetBufferSize = viaBufferSize; -/* ctx->Driver.ResizeBuffers = _swrast_alloc_buffers; *//* FIXME ?? */ - ctx->Driver.GetString = viaGetString; - - ctx->DriverCtx = (void *)vmesa; - vmesa->glCtx = ctx; - - /* 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, via_pipeline); - - /* Configure swrast and T&L to match hardware characteristics: - */ - _swrast_allow_pixel_fog(ctx, GL_FALSE); - _swrast_allow_vertex_fog(ctx, GL_TRUE); - _tnl_allow_pixel_fog(ctx, GL_FALSE); - _tnl_allow_vertex_fog(ctx, GL_TRUE); - -/* vmesa->display = dpy; */ - vmesa->display = sPriv->display; - - vmesa->hHWContext = driContextPriv->hHWContext; - vmesa->driFd = sPriv->fd; - vmesa->driHwLock = &sPriv->pSAREA->lock; - - vmesa->viaScreen = viaScreen; - vmesa->driScreen = sPriv; - vmesa->sarea = saPriv; - - vmesa->renderIndex = ~0; - vmesa->setupIndex = ~0; - vmesa->hwPrimitive = GL_POLYGON+1; - - /* KW: Hardwire this. Was previously set bogusly in - * viaCreateBuffer. Needs work before PBUFFER can be used: - */ - vmesa->drawType = GLX_WINDOW_BIT; - - - _math_matrix_ctr(&vmesa->ViewportMatrix); - - /* Do this early, before VIA_FLUSH_DMA can be called: - */ - if (!AllocateDmaBuffer(vmesa)) { - fprintf(stderr ,"AllocateDmaBuffer fail\n"); - FreeBuffer(vmesa); - FREE(vmesa); - return GL_FALSE; - } - - /* Allocate a small piece of fb memory for synchronization: - */ - vmesa->breadcrumb.bpp = 32; - vmesa->breadcrumb.pitch = buffer_align( 64 ) << 2; - vmesa->breadcrumb.size = vmesa->breadcrumb.pitch; - - if (!via_alloc_draw_buffer(vmesa, &vmesa->breadcrumb)) { - fprintf(stderr ,"AllocateDmaBuffer fail\n"); - FreeBuffer(vmesa); - FREE(vmesa); - return GL_FALSE; - } - - driInitExtensions( ctx, card_extensions, GL_TRUE ); - viaInitStateFuncs(ctx); - viaInitTriFuncs(ctx); - viaInitSpanFuncs(ctx); - viaInitIoctlFuncs(ctx); - viaInitState(ctx); - - if (getenv("VIA_DEBUG")) - VIA_DEBUG = driParseDebugString( getenv( "VIA_DEBUG" ), - debug_control ); - - if (getenv("VIA_NO_RAST")) - FALLBACK(vmesa, VIA_FALLBACK_USER_DISABLE, 1); - - /* I don't understand why this isn't working: - */ - vmesa->vblank_flags = - vmesa->viaScreen->irqEnabled ? - driGetDefaultVBlankFlags(&vmesa->optionCache) : VBLANK_FLAG_NO_IRQ; - - /* Hack this up in its place: - */ - vmesa->vblank_flags = (getenv("VIA_VSYNC") ? - VBLANK_FLAG_SYNC : VBLANK_FLAG_NO_IRQ); - - if (getenv("VIA_PAGEFLIP")) - vmesa->allowPageFlip = 1; - - (*dri_interface->getUST)( &vmesa->swap_ust ); - - - vmesa->regMMIOBase = (GLuint *)((unsigned long)viaScreen->reg); - vmesa->pnGEMode = (GLuint *)((unsigned long)viaScreen->reg + 0x4); - vmesa->regEngineStatus = (GLuint *)((unsigned long)viaScreen->reg + 0x400); - vmesa->regTranSet = (GLuint *)((unsigned long)viaScreen->reg + 0x43C); - vmesa->regTranSpace = (GLuint *)((unsigned long)viaScreen->reg + 0x440); - vmesa->agpBase = viaScreen->agpBase; - - - return GL_TRUE; -} - -void -viaDestroyContext(__DRIcontextPrivate *driContextPriv) -{ - GET_CURRENT_CONTEXT(ctx); - struct via_context *vmesa = - (struct via_context *)driContextPriv->driverPrivate; - struct via_context *current = ctx ? VIA_CONTEXT(ctx) : NULL; - assert(vmesa); /* should never be null */ - - /* check if we're deleting the currently bound context */ - if (vmesa == current) { - VIA_FLUSH_DMA(vmesa); - _mesa_make_current(NULL, NULL, NULL); - } - - if (vmesa) { - viaWaitIdle(vmesa, GL_FALSE); - if (vmesa->doPageFlip) { - LOCK_HARDWARE(vmesa); - if (vmesa->pfCurrentOffset != 0) { - fprintf(stderr, "%s - reset pf\n", __FUNCTION__); - viaResetPageFlippingLocked(vmesa); - } - UNLOCK_HARDWARE(vmesa); - } - - _swsetup_DestroyContext(vmesa->glCtx); - _tnl_DestroyContext(vmesa->glCtx); - _ac_DestroyContext(vmesa->glCtx); - _swrast_DestroyContext(vmesa->glCtx); - /* free the Mesa context */ - _mesa_destroy_context(vmesa->glCtx); - /* release our data */ - FreeBuffer(vmesa); - - assert (is_empty_list(&vmesa->tex_image_list[VIA_MEM_AGP])); - assert (is_empty_list(&vmesa->tex_image_list[VIA_MEM_VIDEO])); - assert (is_empty_list(&vmesa->tex_image_list[VIA_MEM_SYSTEM])); - assert (is_empty_list(&vmesa->freed_tex_buffers)); - - FREE(vmesa); - } -} - - -void viaXMesaWindowMoved(struct via_context *vmesa) -{ - __DRIdrawablePrivate *dPriv = vmesa->driDrawable; - GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3; - - if (!dPriv) - return; - - switch (vmesa->glCtx->DrawBuffer->_ColorDrawBufferMask[0]) { - case BUFFER_BIT_BACK_LEFT: - if (dPriv->numBackClipRects == 0) { - vmesa->numClipRects = dPriv->numClipRects; - vmesa->pClipRects = dPriv->pClipRects; - } - else { - vmesa->numClipRects = dPriv->numBackClipRects; - vmesa->pClipRects = dPriv->pBackClipRects; - } - break; - case BUFFER_BIT_FRONT_LEFT: - vmesa->numClipRects = dPriv->numClipRects; - vmesa->pClipRects = dPriv->pClipRects; - break; - default: - vmesa->numClipRects = 0; - break; - } - - if (vmesa->drawW != dPriv->w || - vmesa->drawH != dPriv->h) - calculate_buffer_parameters( vmesa ); - - vmesa->drawXoff = (GLuint)(((dPriv->x * bytePerPixel) & 0x1f) / - bytePerPixel); - vmesa->drawX = dPriv->x - vmesa->drawXoff; - vmesa->drawY = dPriv->y; - vmesa->drawW = dPriv->w; - vmesa->drawH = dPriv->h; - - vmesa->front.orig = (vmesa->front.offset + - vmesa->drawY * vmesa->front.pitch + - vmesa->drawX * bytePerPixel); - - vmesa->front.origMap = (vmesa->front.map + - vmesa->drawY * vmesa->front.pitch + - vmesa->drawX * bytePerPixel); - - vmesa->back.orig = vmesa->back.offset; - vmesa->depth.orig = vmesa->depth.offset; - vmesa->back.origMap = vmesa->back.map; - vmesa->depth.origMap = vmesa->depth.map; - - viaCalcViewport(vmesa->glCtx); -} - -GLboolean -viaUnbindContext(__DRIcontextPrivate *driContextPriv) -{ - return GL_TRUE; -} - -GLboolean -viaMakeCurrent(__DRIcontextPrivate *driContextPriv, - __DRIdrawablePrivate *driDrawPriv, - __DRIdrawablePrivate *driReadPriv) -{ - if (VIA_DEBUG & DEBUG_DRI) { - fprintf(stderr, "driContextPriv = %016lx\n", (unsigned long)driContextPriv); - fprintf(stderr, "driDrawPriv = %016lx\n", (unsigned long)driDrawPriv); - fprintf(stderr, "driReadPriv = %016lx\n", (unsigned long)driReadPriv); - } - - if (driContextPriv) { - struct via_context *vmesa = - (struct via_context *)driContextPriv->driverPrivate; - GLcontext *ctx = vmesa->glCtx; - - if ( vmesa->driDrawable != driDrawPriv ) { - driDrawableInitVBlank( driDrawPriv, vmesa->vblank_flags ); - vmesa->driDrawable = driDrawPriv; - if ( ! calculate_buffer_parameters( vmesa ) ) { - return GL_FALSE; - } - } - - _mesa_make_current(vmesa->glCtx, - (GLframebuffer *)driDrawPriv->driverPrivate, - (GLframebuffer *)driReadPriv->driverPrivate); - - - ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] ); - - viaXMesaWindowMoved(vmesa); - ctx->Driver.Scissor(vmesa->glCtx, - vmesa->glCtx->Scissor.X, - vmesa->glCtx->Scissor.Y, - vmesa->glCtx->Scissor.Width, - vmesa->glCtx->Scissor.Height); - } - else { - _mesa_make_current(NULL, NULL, NULL); - } - - return GL_TRUE; -} - -void viaGetLock(struct via_context *vmesa, GLuint flags) -{ - __DRIdrawablePrivate *dPriv = vmesa->driDrawable; - __DRIscreenPrivate *sPriv = vmesa->driScreen; - - drmGetLock(vmesa->driFd, vmesa->hHWContext, flags); - - DRI_VALIDATE_DRAWABLE_INFO( sPriv, dPriv ); - - if (vmesa->sarea->ctxOwner != vmesa->hHWContext) { - vmesa->sarea->ctxOwner = vmesa->hHWContext; - vmesa->newEmitState = ~0; - } - - if (vmesa->lastStamp != dPriv->lastStamp) { - viaXMesaWindowMoved(vmesa); - vmesa->newEmitState = ~0; - vmesa->lastStamp = dPriv->lastStamp; - } - - if (vmesa->doPageFlip && - vmesa->pfCurrentOffset != vmesa->sarea->pfCurrentOffset) { - fprintf(stderr, "%s - reset pf\n", __FUNCTION__); - viaResetPageFlippingLocked(vmesa); - } -} - - -void -viaSwapBuffers(__DRIdrawablePrivate *drawablePrivate) -{ - __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *)drawablePrivate; - - if (dPriv && - dPriv->driContextPriv && - dPriv->driContextPriv->driverPrivate) { - struct via_context *vmesa = - (struct via_context *)dPriv->driContextPriv->driverPrivate; - GLcontext *ctx = vmesa->glCtx; - - _mesa_notifySwapBuffers(ctx); - - if (ctx->Visual.doubleBufferMode) { - if (vmesa->doPageFlip) { - viaPageFlip(dPriv); - } - else { - viaCopyBuffer(dPriv); - } - } - else - VIA_FLUSH_DMA(vmesa); - } - else { - _mesa_problem(NULL, "viaSwapBuffers: drawable has no context!\n"); - } -} |