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Diffstat (limited to 'src/mesa/drivers/dri/unichrome/via_context.c')
-rw-r--r--src/mesa/drivers/dri/unichrome/via_context.c1185
1 files changed, 1185 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_context.c b/src/mesa/drivers/dri/unichrome/via_context.c
new file mode 100644
index 0000000000..f38dec03ff
--- /dev/null
+++ b/src/mesa/drivers/dri/unichrome/via_context.c
@@ -0,0 +1,1185 @@
+/*
+ * 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.
+ */
+
+#include "glheader.h"
+#include "context.h"
+/*#include "mem.h"*/
+#include "matrix.h"
+#include "simple_list.h"
+#include "extensions.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_vb.h"
+#include "via_ioctl.h"
+#include "via_fb.h"
+
+#ifndef _SOLO
+#include <X11/Xlibint.h>
+#endif
+#include <stdio.h>
+#include "macros.h"
+
+viaContextPtr current_mesa;
+GLuint VIA_DEBUG = 0;
+GLuint DRAW_FRONT = 0;
+#define DMA_SIZE 2
+GLuint VIA_PERFORMANCE = 0;
+#ifdef PERFORMANCE_MEASURE
+GLuint busy = 0;
+GLuint idle = 0;
+hash_element hash_table[HASH_TABLE_SIZE][HASH_TABLE_DEPTH];
+#endif
+/*=* John Sheng [2003.5.31] agp tex *=*/
+extern GLuint agpFullCount;
+
+static GLboolean
+AllocateBuffer(viaContextPtr vmesa)
+{
+ vmesa->front_base = vmesa->driScreen->pFB;
+ if (vmesa->drawType == GLX_PBUFFER_BIT) {
+ if (vmesa->front.map)
+ via_free_front_buffer(vmesa);
+ if (!via_alloc_front_buffer(vmesa))
+ return GL_FALSE;
+ }
+
+ if (vmesa->hasBack) {
+ if (vmesa->back.map)
+ via_free_back_buffer(vmesa);
+ if (!via_alloc_back_buffer(vmesa))
+ return GL_FALSE;
+ }
+
+ if (vmesa->hasDepth || vmesa->hasStencil) {
+ if (vmesa->depth.map)
+ via_free_depth_buffer(vmesa);
+ if (!via_alloc_depth_buffer(vmesa)) {
+ via_free_depth_buffer(vmesa);
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
+}
+
+static const GLubyte *viaGetString(GLcontext *ctx, GLenum name)
+{
+ switch (name) {
+ case GL_VENDOR:
+ return (GLubyte *)"VIA Technology";
+ case GL_RENDERER:
+ return (GLubyte *)"Mesa DRI VIA CLE266 20020221";
+ default:
+ return 0;
+ }
+}
+
+void viaReAllocateBuffers(GLframebuffer *drawbuffer)
+{
+ GLcontext *ctx;
+ viaContextPtr vmesa = current_mesa;
+
+ ctx = vmesa->glCtx;
+ ctx->DrawBuffer->Width = drawbuffer->Width;
+ ctx->DrawBuffer->Height = drawbuffer->Height;
+
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ ctx->DrawBuffer->Accum = 0;
+
+ vmesa->driDrawable->w = ctx->DrawBuffer->Width;
+ vmesa->driDrawable->h = ctx->DrawBuffer->Height;
+ LOCK_HARDWARE(vmesa);
+
+ /* Allocate back & depth buffer */
+ {
+ int w, h, bpp;
+ w = vmesa->driDrawable->w;
+ h = vmesa->driDrawable->h;
+ /* back buffer */
+ bpp = vmesa->viaScreen->bitsPerPixel;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "driScreen->fbBPP = %d\n", bpp);
+#endif
+ if (bpp == 32) {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+ vmesa->back.size = w * h * bpp / 8;
+ vmesa->back.pitch = w << 2;
+ }
+ else {
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
+ vmesa->back.size = w * h * bpp / 8;
+ vmesa->back.pitch = w << 1;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "resizebuffer backbuffer: w = %d h = %d bpp = %d sizs = %d\n",
+ w, h, bpp, vmesa->back.size);
+#endif
+ /* depth buffer */
+ w = vmesa->driDrawable->w;
+ if (vmesa->hasDepth && vmesa->hasStencil) {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 24\n");
+ if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
+#endif
+ }
+ else if (vmesa->hasDepth) {
+ /*=* John Sheng [2003.6.16] patch viewperf drv-08 draw nothing */
+ /*if(vmesa->viaScreen->bitsPerPixel == 32)*/
+ /*vmesa->depthBits = 16;*/
+
+ if (vmesa->depthBits == 16) {
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
+ vmesa->depth.size = w * h * 2;
+ vmesa->depth.pitch = w << 1;
+ vmesa->depth.bpp = 16;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 16\n");
+#endif
+ }
+ else {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 32\n");
+#endif
+ }
+ }
+ else if (vmesa->hasStencil) {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
+#endif
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "resizebuffer depthbuffer: w = %d h = %d bpp = %d sizs = %d\n",
+ w, h, vmesa->depth.bpp, vmesa->depth.size);
+#endif
+ /*=* John Sheng [2003.5.31] flip *=*/
+ {
+ if(vmesa->viaScreen->width == vmesa->driDrawable->w &&
+ vmesa->viaScreen->height == vmesa->driDrawable->h) {
+ vmesa->back.pitch = vmesa->front.pitch;
+ vmesa->back.size = vmesa->front.size;
+ }
+ }
+
+ if (!AllocateBuffer(vmesa)) {
+ FREE(vmesa);
+ }
+ }
+ UNLOCK_HARDWARE(vmesa);
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
+static void viaBufferSize(GLframebuffer *buffer, GLuint *width, GLuint *height)
+
+{
+ /* MESA5.0 */
+ viaContextPtr vmesa = current_mesa;
+ *width = vmesa->driDrawable->w;
+ *height = vmesa->driDrawable->h;
+}
+
+static void viaInitExtensions(GLcontext *ctx)
+{
+ _mesa_enable_imaging_extensions(ctx);
+ _mesa_enable_extension(ctx, "GL_ARB_multitexture");
+ _mesa_enable_extension(ctx, "GL_ARB_texture_env_add");
+ _mesa_enable_extension(ctx, "GL_EXT_texture_env_add");
+ _mesa_enable_extension(ctx, "GL_EXT_stencil_wrap");
+ _mesa_enable_extension(ctx, "GL_EXT_texture_lod_bias");
+ /*=* John Sheng [2003.7.18] texture combine *=*/
+ _mesa_enable_extension(ctx, "GL_ARB_texture_env_combine");
+ _mesa_enable_extension(ctx, "GL_EXT_texture_env_combine");
+ /*=* John Sheng [2003.7.18] texture dot3 *=*/
+ _mesa_enable_extension(ctx, "GL_ARB_texture_env_dot3");
+ _mesa_enable_extension(ctx, "GL_EXT_texture_env_dot3");
+ /*=* John Sheng [2003.7.18] point parameters */
+ _mesa_enable_extension(ctx, "GL_ARB_point_parameters");
+ _mesa_enable_extension(ctx, "GL_EXT_point_parameters");
+}
+
+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 */
+ &_via_render_stage, /* ADD: modification from _tnl_render_stage */
+#endif
+ &_tnl_render_stage,
+ 0,
+};
+
+
+static GLboolean
+AllocateDmaBuffer(const GLvisual *visual, viaContextPtr vmesa)
+{
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ if (vmesa->dma[0].map && vmesa->dma[1].map)
+ via_free_dma_buffer(vmesa);
+
+ if (!via_alloc_dma_buffer(vmesa)) {
+ if (vmesa->front.map)
+ via_free_front_buffer(vmesa);
+ if (vmesa->back.map)
+ via_free_back_buffer(vmesa);
+ if (vmesa->depth.map)
+ via_free_depth_buffer(vmesa);
+
+ return GL_FALSE;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+static void
+InitVertexBuffer(viaContextPtr vmesa)
+{
+ GLuint *addr;
+
+ addr = (GLuint *)vmesa->dma[0].map;
+ *addr = 0xF210F110;
+ *addr = (HC_ParaType_NotTex << 16);
+ *addr = 0xcccccccc;
+ *addr = 0xdddddddd;
+
+ addr = (GLuint *)vmesa->dma[1].map;
+ *addr = 0xF210F110;
+ *addr = (HC_ParaType_NotTex << 16);
+ *addr = 0xcccccccc;
+ *addr = 0xdddddddd;
+
+ vmesa->dmaIndex = 0;
+ vmesa->dmaLow = DMA_OFFSET;
+ vmesa->dmaHigh = vmesa->dma[0].size;
+ vmesa->dmaAddr = (unsigned char *)vmesa->dma[0].map;
+ vmesa->dmaLastPrim = vmesa->dmaLow;
+}
+
+static void
+FreeBuffer(viaContextPtr vmesa)
+{
+ if (vmesa->front.map)
+ via_free_front_buffer(vmesa);
+
+ if (vmesa->back.map)
+ via_free_back_buffer(vmesa);
+
+ if (vmesa->depth.map)
+ via_free_depth_buffer(vmesa);
+
+ if (vmesa->dma[0].map && vmesa->dma[1].map)
+ via_free_dma_buffer(vmesa);
+}
+
+GLboolean
+viaCreateContext(const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ GLcontext *ctx, *shareCtx;
+ viaContextPtr 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 = (viaContextPtr) CALLOC_STRUCT(via_context_t);
+ if (!vmesa) {
+ return GL_FALSE;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ current_mesa = vmesa;
+ /* pick back buffer */
+ if (mesaVis->doubleBufferMode) {
+ vmesa->hasBack = GL_TRUE;
+ }
+ else {
+ vmesa->hasBack = GL_FALSE;
+ }
+ /* pick z buffer */
+ if (mesaVis->haveDepthBuffer) {
+ vmesa->hasDepth = GL_TRUE;
+ vmesa->depthBits = mesaVis->depthBits;
+ }
+ else {
+ vmesa->hasDepth = GL_FALSE;
+ vmesa->depthBits = 0;
+ }
+ /* pick stencil buffer */
+ if (mesaVis->haveStencilBuffer) {
+ vmesa->hasStencil = GL_TRUE;
+ vmesa->stencilBits = mesaVis->stencilBits;
+ }
+ else {
+ vmesa->hasStencil = GL_FALSE;
+ vmesa->stencilBits = 0;
+ }
+
+ _mesa_init_driver_functions(&functions);
+ viaInitTextureFuncs(&functions);
+
+ /* Allocate the Mesa context */
+ if (sharedContextPrivate)
+ shareCtx = ((viaContextPtr) sharedContextPrivate)->glCtx;
+ else
+ shareCtx = NULL;
+
+ vmesa->glCtx = _mesa_create_context(mesaVis, shareCtx, &functions, (void*) vmesa);
+
+ vmesa->shareCtx = shareCtx;
+
+ if (!vmesa->glCtx) {
+ FREE(vmesa);
+ return GL_FALSE;
+ }
+ driContextPriv->driverPrivate = vmesa;
+
+ ctx = vmesa->glCtx;
+
+ /* check */
+ /*=* John Sheng [2003.7.2] for visual config number can't excess 8 *=*/
+ /*if (viaScreen->textureSize < 2 * 1024 * 1024) {
+ ctx->Const.MaxTextureLevels = 9;
+ }
+ else if (viaScreen->textureSize < 8 * 1024 * 1024) {
+ ctx->Const.MaxTextureLevels = 10;
+ }
+ else {
+ ctx->Const.MaxTextureLevels = 11;
+ }*/
+ ctx->Const.MaxTextureLevels = 11;
+
+ ctx->Const.MaxTextureUnits = 2;
+
+ 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 = 3.0;
+ ctx->Const.MaxPointSizeAA = 3.0;
+ 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 to match hardware characteristics:
+ */
+ _swrast_allow_pixel_fog(ctx, GL_FALSE);
+ _swrast_allow_vertex_fog(ctx, GL_TRUE);
+
+#ifndef _SOLO
+ vmesa->display = dpy;
+ vmesa->display = sPriv->display;
+#endif
+
+ vmesa->hHWContext = driContextPriv->hHWContext;
+ vmesa->driFd = sPriv->fd;
+ vmesa->driHwLock = &sPriv->pSAREA->lock;
+
+ vmesa->viaScreen = viaScreen;
+ vmesa->driScreen = sPriv;
+ vmesa->sarea = saPriv;
+ vmesa->glBuffer = NULL;
+
+ vmesa->texHeap = mmInit(0, viaScreen->textureSize);
+ vmesa->stippleInHw = 1;
+ vmesa->renderIndex = ~0;
+ vmesa->dirty = VIA_UPLOAD_ALL;
+ vmesa->uploadCliprects = GL_TRUE;
+ vmesa->needUploadAllState = 1;
+
+ make_empty_list(&vmesa->TexObjList);
+ make_empty_list(&vmesa->SwappedOut);
+
+ vmesa->CurrentTexObj[0] = 0;
+ vmesa->CurrentTexObj[1] = 0;
+
+ vmesa->dma[0].size = DMA_SIZE * 1024 * 1024;
+ vmesa->dma[1].size = DMA_SIZE * 1024 * 1024;
+
+ _math_matrix_ctr(&vmesa->ViewportMatrix);
+
+ viaInitExtensions(ctx);
+ viaInitStateFuncs(ctx);
+ viaInitTextures(ctx);
+ viaInitTriFuncs(ctx);
+ viaInitSpanFuncs(ctx);
+ viaInitIoctlFuncs(ctx);
+ viaInitVB(ctx);
+ viaInitState(ctx);
+
+ if (getenv("VIA_DEBUG"))
+ VIA_DEBUG = 1;
+ else
+ VIA_DEBUG = 0;
+
+ if (getenv("DRAW_FRONT"))
+ DRAW_FRONT = 1;
+ else
+ DRAW_FRONT = 0;
+
+#ifdef PERFORMANCE_MEASURE
+ if (getenv("VIA_PERFORMANCE"))
+ VIA_PERFORMANCE = 1;
+ else
+ VIA_PERFORMANCE = 0;
+
+ {
+ int i, j;
+ for (i = 0; i < HASH_TABLE_SIZE; i++) {
+ for (j = 0; j < HASH_TABLE_DEPTH; j ++) {
+ hash_table[i][j].count = 0;
+ sprintf(hash_table[i][j].func, "%s", "NULL");
+ }
+ }
+ }
+#endif
+
+ if (!AllocateDmaBuffer(mesaVis, vmesa)) {
+ fprintf(stderr ,"AllocateDmaBuffer fail\n");
+ FREE(vmesa);
+ return GL_FALSE;
+ }
+
+ InitVertexBuffer(vmesa);
+
+ vmesa->regMMIOBase = (GLuint *)((GLuint)viaScreen->reg);
+ vmesa->pnGEMode = (GLuint *)((GLuint)viaScreen->reg + 0x4);
+ vmesa->regEngineStatus = (GLuint *)((GLuint)viaScreen->reg + 0x400);
+ vmesa->regTranSet = (GLuint *)((GLuint)viaScreen->reg + 0x43C);
+ vmesa->regTranSpace = (GLuint *)((GLuint)viaScreen->reg + 0x440);
+ vmesa->agpBase = viaScreen->agpBase;
+#ifdef DEBUG
+ if (VIA_DEBUG) {
+ fprintf(stderr, "regEngineStatus = %x\n", *vmesa->regEngineStatus);
+ }
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ {
+ GLboolean saam;
+ int count = 0, fbSize;
+#ifdef _SOLO
+ vmesa->saam = 0;
+#else
+ saam = XineramaIsActive(vmesa->display);
+ if (saam && vmesa->viaScreen->drixinerama) {
+ vmesa->xsi = XineramaQueryScreens(vmesa->display, &count);
+ /* Test RightOf or Down */
+ if (vmesa->xsi[0].x_org == 0 && vmesa->xsi[0].y_org == 0) {
+ if (vmesa->xsi[1].x_org == vmesa->xsi[1].width) {
+ vmesa->saam = RightOf;
+ }
+ else {
+ vmesa->saam = Down;
+ }
+ }
+ /* Test LeftOf or Up */
+ else if (vmesa->xsi[0].x_org == vmesa->xsi[0].width) {
+ vmesa->saam = LeftOf;
+ }
+ else if (vmesa->xsi[0].y_org == vmesa->xsi[0].height) {
+ vmesa->saam = Up;
+ }
+ else
+ vmesa->saam = 0;
+
+
+ fbSize = vmesa->viaScreen->fbSize;
+ }
+ else
+ vmesa->saam = 0;
+#endif
+ }
+
+ vmesa->pSaamRects = (XF86DRIClipRectPtr) malloc(sizeof(XF86DRIClipRectRec));
+ return GL_TRUE;
+}
+
+void
+viaDestroyContext(__DRIcontextPrivate *driContextPriv)
+{
+ viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ assert(vmesa); /* should never be null */
+ viaFlushPrimsLocked(vmesa);
+ WAIT_IDLE
+ if (vmesa) {
+ /*=* John Sheng [2003.5.31] flip *=*/
+ if(vmesa->doPageFlip) {
+ *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x43c)) = 0x00fe0000;
+ *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x440)) = 0x00001004;
+ WAIT_IDLE
+ *((volatile GLuint *)((GLuint)vmesa->regMMIOBase + 0x214)) = 0;
+ }
+ /*=* John Sheng [2003.5.31] agp tex *=*/
+ if(VIA_DEBUG) fprintf(stderr, "agpFullCount = %d\n", agpFullCount);
+
+ _swsetup_DestroyContext(vmesa->glCtx);
+ _tnl_DestroyContext(vmesa->glCtx);
+ _ac_DestroyContext(vmesa->glCtx);
+ _swrast_DestroyContext(vmesa->glCtx);
+ viaFreeVB(vmesa->glCtx);
+ FreeBuffer(vmesa);
+ /* free the Mesa context */
+ _mesa_destroy_context(vmesa->glCtx);
+ vmesa->glCtx->DriverCtx = NULL;
+ FREE(vmesa);
+ }
+
+ P_M_R;
+
+#ifdef PERFORMANCE_MEASURE
+ if (VIA_PERFORMANCE) fprintf(stderr, "idle = %d\n", idle);
+ if (VIA_PERFORMANCE) fprintf(stderr, "busy = %d\n", busy);
+#endif
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
+
+void viaXMesaSetFrontClipRects(viaContextPtr vmesa)
+{
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+
+ vmesa->numClipRects = dPriv->numClipRects;
+ vmesa->pClipRects = dPriv->pClipRects;
+ vmesa->drawX = dPriv->x;
+ vmesa->drawY = dPriv->y;
+ vmesa->drawW = dPriv->w;
+ vmesa->drawH = dPriv->h;
+
+ viaEmitDrawingRectangle(vmesa);
+ vmesa->uploadCliprects = GL_TRUE;
+}
+
+void viaXMesaSetBackClipRects(viaContextPtr vmesa)
+{
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+ /*=* John Sheng [2003.6.9] fix glxgears dirty screen */
+ /*if (vmesa->saam) {*/
+ vmesa->numClipRects = dPriv->numClipRects;
+ vmesa->pClipRects = dPriv->pClipRects;
+ vmesa->drawX = dPriv->x;
+ vmesa->drawY = dPriv->y;
+ vmesa->drawW = dPriv->w;
+ vmesa->drawH = dPriv->h;
+ /*}
+ else {
+ if (dPriv->numBackClipRects == 0) {
+ vmesa->numClipRects = dPriv->numClipRects;
+ vmesa->pClipRects = dPriv->pClipRects;
+ vmesa->drawX = dPriv->x;
+ vmesa->drawY = dPriv->y;
+ vmesa->drawW = dPriv->w;
+ vmesa->drawH = dPriv->h;
+ }
+ else {
+ vmesa->numClipRects = dPriv->numBackClipRects;
+ vmesa->pClipRects = dPriv->pBackClipRects;
+ vmesa->drawX = dPriv->backX;
+ vmesa->drawY = dPriv->backY;
+ vmesa->drawW = dPriv->w;
+ vmesa->drawH = dPriv->h;
+ }
+ }*/
+ viaEmitDrawingRectangle(vmesa);
+ vmesa->uploadCliprects = GL_TRUE;
+}
+
+void viaXMesaWindowMoved(viaContextPtr vmesa)
+{
+ GLuint bytePerPixel = vmesa->viaScreen->bitsPerPixel >> 3;
+ GLuint side = 0;
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+
+ GLuint destMask = vmesa->glCtx->Color._DrawDestMask;
+ if (destMask & FRONT_LEFT_BIT)
+ viaXMesaSetFrontClipRects(vmesa);
+ if (destMask & BACK_LEFT_BIT)
+ viaXMesaSetBackClipRects(vmesa);
+
+#ifdef _SOLO
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam &= ~S1;
+ vmesa->saam |= S0;
+#else
+ side = vmesa->saam & P_MASK;
+
+ switch (side) {
+ case RightOf:
+ /* full in screen 1 */
+ if (vmesa->drawX >= vmesa->xsi[0].width) {
+ vmesa->viaScreen->fbOffset = vmesa->viaScreen->fbSize;
+ vmesa->drawX = vmesa->drawX - vmesa->xsi[1].width;
+ vmesa->numClipRects = dPriv->numBackClipRects;
+ vmesa->pClipRects = dPriv->pBackClipRects;
+ vmesa->drawX = dPriv->backX;
+ vmesa->drawY = dPriv->backY;
+ vmesa->saam &= ~S0;
+ vmesa->saam |= S1;
+ }
+ /* full in screen 0 */
+ else if ((vmesa->drawX + vmesa->drawW) <= vmesa->xsi[0].width) {
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam &= ~S1;
+ vmesa->saam |= S0;
+ }
+ /* between screen 0 && screen 1 */
+ else {
+ vmesa->numSaamRects = dPriv->numBackClipRects;
+ vmesa->pSaamRects = dPriv->pBackClipRects;
+ vmesa->drawXSaam = dPriv->backX;
+ vmesa->drawYSaam = dPriv->backY;
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam |= S0;
+ vmesa->saam |= S1;
+ }
+ break;
+ case LeftOf:
+ /* full in screen 1 */
+ if (vmesa->drawX + vmesa->drawW <= 0) {
+ vmesa->viaScreen->fbOffset = vmesa->viaScreen->fbSize;
+ vmesa->drawX = vmesa->drawX + vmesa->xsi[1].width;
+ vmesa->numClipRects = dPriv->numBackClipRects;
+ vmesa->pClipRects = dPriv->pBackClipRects;
+ vmesa->drawX = dPriv->backX;
+ vmesa->drawY = dPriv->backY;
+ vmesa->saam &= ~S0;
+ vmesa->saam |= S1;
+ }
+ /* full in screen 0 */
+ else if (vmesa->drawX >= 0) {
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam &= ~S1;
+ vmesa->saam |= S0;
+ }
+ /* between screen 0 && screen 1 */
+ else {
+ vmesa->numSaamRects = dPriv->numBackClipRects;
+ vmesa->pSaamRects = dPriv->pBackClipRects;
+ vmesa->drawXSaam = dPriv->backX;
+ vmesa->drawYSaam = dPriv->backY;
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam |= S0;
+ vmesa->saam |= S1;
+ }
+ break;
+ case Down :
+ /* full in screen 1 */
+ if (vmesa->drawY >= vmesa->xsi[0].height) {
+ vmesa->viaScreen->fbOffset = vmesa->viaScreen->fbSize;
+ vmesa->drawY = vmesa->drawY - vmesa->xsi[1].height;
+ vmesa->numClipRects = dPriv->numBackClipRects;
+ vmesa->pClipRects = dPriv->pBackClipRects;
+ vmesa->drawX = dPriv->backX;
+ vmesa->drawY = dPriv->backY;
+ vmesa->saam &= ~S0;
+ vmesa->saam |= S1;
+ }
+ /* full in screen 0 */
+ else if ((vmesa->drawY + vmesa->drawH) <= vmesa->xsi[0].height) {
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam &= ~S1;
+ vmesa->saam |= S0;
+ }
+ /* between screen 0 && screen 1 */
+ else {
+ vmesa->numSaamRects = dPriv->numBackClipRects;
+ vmesa->pSaamRects = dPriv->pBackClipRects;
+ vmesa->drawXSaam = dPriv->backX;
+ vmesa->drawYSaam = dPriv->backY;
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam |= S0;
+ vmesa->saam |= S1;
+ }
+ break;
+ case Up :
+ /* full in screen 1 */
+ if ((vmesa->drawY + vmesa->drawH) <= 0) {
+ vmesa->viaScreen->fbOffset = vmesa->viaScreen->fbSize;
+ vmesa->drawY = vmesa->drawY + vmesa->xsi[1].height;
+ vmesa->numClipRects = dPriv->numBackClipRects;
+ vmesa->pClipRects = dPriv->pBackClipRects;
+ vmesa->drawX = dPriv->backX;
+ vmesa->drawY = dPriv->backY;
+ vmesa->saam &= ~S0;
+ vmesa->saam |= S1;
+ }
+ /* full in screen 0 */
+ else if (vmesa->drawY >= 0) {
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam &= ~S1;
+ vmesa->saam |= S0;
+ }
+ /* between screen 0 && screen 1 */
+ else {
+ vmesa->numSaamRects = dPriv->numBackClipRects;
+ vmesa->pSaamRects = dPriv->pBackClipRects;
+ vmesa->drawXSaam = dPriv->backX;
+ vmesa->drawYSaam = dPriv->backY;
+ vmesa->viaScreen->fbOffset = 0;
+ vmesa->saam |= S0;
+ vmesa->saam |= S1;
+ }
+ break;
+ default:
+ vmesa->viaScreen->fbOffset = 0;
+ }
+#endif
+
+ {
+ GLuint pitch, offset;
+ pitch = vmesa->front.pitch;
+ offset = vmesa->viaScreen->fbOffset + (vmesa->drawY * pitch + vmesa->drawX * bytePerPixel);
+ vmesa->drawXoff = (GLuint)((offset & 0x1f) / bytePerPixel);
+ if (vmesa->saam) {
+ if (vmesa->pSaamRects) {
+ offset = vmesa->viaScreen->fbOffset + (vmesa->pSaamRects[0].y1 * pitch +
+ vmesa->pSaamRects[0].x1 * bytePerPixel);
+ vmesa->drawXoffSaam = (GLuint)((offset & 0x1f) / bytePerPixel);
+ }
+ else
+ vmesa->drawXoffSaam = 0;
+ }
+ else
+ vmesa->drawXoffSaam = 0;
+ }
+
+ vmesa->glCtx->Driver.Viewport(vmesa->glCtx,0 ,0 ,0 ,0);
+}
+
+GLboolean
+viaUnbindContext(__DRIcontextPrivate *driContextPriv)
+{
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+GLboolean
+viaMakeCurrent(__DRIcontextPrivate *driContextPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ __DRIdrawablePrivate *driReadPriv)
+{
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+
+ if (VIA_DEBUG) {
+ fprintf(stderr, "driContextPriv = %08x\n", (GLuint)driContextPriv);
+ fprintf(stderr, "driContextPriv = %08x\n", (GLuint)driDrawPriv);
+ fprintf(stderr, "driContextPriv = %08x\n", (GLuint)driReadPriv);
+ }
+#endif
+
+ if (driContextPriv) {
+ viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;
+ current_mesa = vmesa;
+
+ vmesa->driDrawable = driDrawPriv;
+ if (vmesa->drawType == GLX_PBUFFER_BIT) {
+ int w, h, bpp;
+
+ w = vmesa->driDrawable->w;
+ h = vmesa->driDrawable->h;
+ bpp = vmesa->viaScreen->bitsPerPixel;
+ if (bpp == 32) {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ vmesa->front.size = w * h * bpp / 8;
+ vmesa->front.pitch = w << 2;
+ }
+ else {
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
+ vmesa->front.size = w * h * bpp / 8;
+ vmesa->front.pitch = w << 1;
+ }
+ }
+ /*=* John Sheng [2003.6.20] fix resolution 720x480/720x576 front pitch error *=*/
+ else {
+ GLuint w;
+ GLuint h;
+ GLuint bpp;
+ bpp = vmesa->viaScreen->bitsPerPixel;
+ h = vmesa->viaScreen->height;
+ w = vmesa->viaScreen->width;
+ if (bpp == 0x20) {
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ vmesa->front.size = w * h * bpp / 8;
+ vmesa->front.pitch = w << 2;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "viaScreen->bitsPerPixel = %d\n", 32);
+#endif
+ }
+ else if (bpp == 0x10) {
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
+ vmesa->front.size = w * h * bpp / 8;
+ vmesa->front.pitch = w << 1;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "viaScreen->bitsPerPixel = %d\n", 16);
+#endif
+ }
+ vmesa->front.offset = 0;
+ vmesa->front.map = (char *) vmesa->driScreen->pFB;
+ vmesa->front.size = w * h * vmesa->viaScreen->bitsPerPixel /8;
+ }
+
+ /* Allocate back & depth buffer */
+ {
+ int w, h, bpp;
+
+ w = vmesa->driDrawable->w;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent: w = %d\n", w);
+#endif
+ h = vmesa->driDrawable->h;
+
+ /* back buffer */
+ bpp = vmesa->viaScreen->bitsPerPixel;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "driScreen->fbBPP = %d\n", bpp);
+#endif
+ if (bpp == 32) {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+
+ vmesa->back.size = w * h * bpp / 8;
+ vmesa->back.pitch = w << 2;
+ }
+ else {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
+
+ vmesa->back.size = w * h * bpp / 8;
+ vmesa->back.pitch = w << 1;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent backbuffer: w = %d h = %d bpp = %d sizs = %d\n",
+ w, h, bpp, vmesa->back.size);
+#endif
+ /* depth buffer */
+ w = vmesa->driDrawable->w;
+
+ if (vmesa->hasDepth && vmesa->hasStencil) {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 24\n");
+ if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
+#endif
+ }
+ else if (vmesa->hasDepth) {
+
+ /*=* John Sheng [2003.6.16] patch viewperf drv-08 draw nothing */
+ /*if(vmesa->viaScreen->bitsPerPixel == 32)*/
+ /*vmesa->depthBits = 16;*/
+
+ if (vmesa->depthBits == 16) {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 2, BUFFER_ALIGNMENT) / 2 + 16;
+
+ vmesa->depth.size = w * h * 2;
+ vmesa->depth.pitch = w << 1;
+ vmesa->depth.bpp = 16;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 16\n");
+#endif
+ }
+ else {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "depthBits = 32\n");
+#endif
+ }
+ }
+ else if (vmesa->hasStencil) {
+ if (vmesa->drawType == GLX_PBUFFER_BIT)
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4;
+ else
+ w = BUFFER_ALIGN_WIDTH(w * 4, BUFFER_ALIGNMENT) / 4 + 8;
+
+ vmesa->depth.size = w * h * 4;
+ vmesa->depth.pitch = w << 2;
+ vmesa->depth.bpp = 32;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "StencilBits = 8\n");
+#endif
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "viaMakeCurrent depthbuffer: w = %d h = %d bpp = %d sizs = %d\n",
+ w, h, vmesa->depth.bpp, vmesa->depth.size);
+#endif
+ /*=* John Sheng [2003.5.31] flip *=*/
+ {
+ viaContextPtr vmesa = (viaContextPtr)driContextPriv->driverPrivate;
+ if(vmesa->viaScreen->width == vmesa->driDrawable->w &&
+ vmesa->viaScreen->height == vmesa->driDrawable->h) {
+ vmesa->doPageFlip = GL_FALSE;
+ vmesa->currentPage = 0;
+ vmesa->back.pitch = vmesa->front.pitch;
+ }
+ }
+
+ if (!AllocateBuffer(vmesa)) {
+ FREE(vmesa);
+ return GL_FALSE;
+ }
+ }
+ _mesa_make_current2(vmesa->glCtx,
+ (GLframebuffer *)driDrawPriv->driverPrivate,
+ (GLframebuffer *)driReadPriv->driverPrivate);
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "Context %d MakeCurrent\n", vmesa->hHWContext);
+#endif
+ viaXMesaWindowMoved(vmesa);
+ if (!vmesa->glCtx->Viewport.Width)
+ _mesa_set_viewport(vmesa->glCtx, 0, 0,
+ driDrawPriv->w, driDrawPriv->h);
+ }
+ else {
+ _mesa_make_current(0,0);
+ }
+
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+ return GL_TRUE;
+}
+
+void viaGetLock(viaContextPtr vmesa, GLuint flags)
+{
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+ __DRIscreenPrivate *sPriv = vmesa->driScreen;
+ drm_via_sarea_t *sarea = vmesa->sarea;
+ int me = vmesa->hHWContext;
+ __DRIdrawablePrivate *pdp;
+ __DRIscreenPrivate *psp;
+ pdp = dPriv;
+ psp = sPriv;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+ if (VIA_DEBUG) fprintf(stderr, "drmGetLock - in\n");
+#endif
+ drmGetLock(vmesa->driFd, vmesa->hHWContext, flags);
+
+ do {
+ DRM_UNLOCK(psp->fd, &psp->pSAREA->lock,
+ pdp->driContextPriv->hHWContext);
+ DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+#ifdef _SOLO
+ __driUtilUpdateDrawableInfo(dPriv);
+#else
+ __driUtilUpdateDrawableInfo(vmesa->display, psp->myNum, dPriv);
+#endif
+ DRM_SPINUNLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
+ DRM_LIGHT_LOCK(psp->fd, &psp->pSAREA->lock,
+ pdp->driContextPriv->hHWContext);
+ } while (0);
+
+ if (sarea->ctxOwner != me) {
+ vmesa->uploadCliprects = GL_TRUE;
+ sarea->ctxOwner = me;
+ }
+
+ viaXMesaWindowMoved(vmesa);
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
+
+void viaLock(viaContextPtr vmesa, GLuint flags)
+{
+ __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
+ __DRIscreenPrivate *sPriv = vmesa->driScreen;
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+
+ /*=* John Sheng [2003.6.16] for xf43 */
+ if(dPriv->pStamp == NULL)
+ dPriv->pStamp = &dPriv->lastStamp;
+
+ if (*(dPriv->pStamp) != dPriv->lastStamp || vmesa->saam) {
+ GLuint scrn;
+ scrn = vmesa->saam & S_MASK;
+
+ DRM_SPINLOCK(&sPriv->pSAREA->drawable_lock, sPriv->drawLockID);
+
+#ifdef _SOLO
+ __driUtilUpdateDrawableInfo(dPriv);
+#else
+ if (scrn == S1)
+ __driUtilUpdateDrawableInfo(vmesa->display, scrn, dPriv);
+ else
+ DRI_VALIDATE_DRAWABLE_INFO_ONCE(vmesa->display, scrn, dPriv);
+#endif
+
+ viaXMesaWindowMoved(vmesa);
+ DRM_SPINUNLOCK(&sPriv->pSAREA->drawable_lock, sPriv->drawLockID);
+ }
+
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+
+ return;
+}
+
+void viaUnLock(viaContextPtr vmesa, GLuint flags)
+{
+ drm_via_sarea_t *sarea = vmesa->sarea;
+ int me = vmesa->hHWContext;
+
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+ if (VIA_DEBUG) fprintf(stderr, "sarea->ctxOwner = %d\n", sarea->ctxOwner);
+ if (VIA_DEBUG) fprintf(stderr, "me = %d\n", me);
+#endif
+ if (sarea->ctxOwner == me) {
+ sarea->ctxOwner = 0;
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
+
+void
+viaSwapBuffers(__DRIdrawablePrivate *drawablePrivate)
+{
+ __DRIdrawablePrivate *dPriv = (__DRIdrawablePrivate *)drawablePrivate;
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - in\n", __FUNCTION__);
+#endif
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ viaContextPtr vmesa;
+ GLcontext *ctx;
+
+ vmesa = (viaContextPtr)dPriv->driContextPriv->driverPrivate;
+ ctx = vmesa->glCtx;
+ if (ctx->Visual.doubleBufferMode) {
+#ifdef _SOLO
+ _mesa_notifySwapBuffers(ctx);
+#else
+ _mesa_swapbuffers(ctx);
+#endif
+ if (vmesa->doPageFlip) {
+ viaPageFlip(dPriv);
+ }
+ else {
+ viaCopyBuffer(dPriv);
+ }
+ }
+ else
+ VIA_FIREVERTICES(vmesa);
+ }
+ else {
+ _mesa_problem(NULL, "viaSwapBuffers: drawable has no context!\n");
+ }
+#ifdef DEBUG
+ if (VIA_DEBUG) fprintf(stderr, "%s - out\n", __FUNCTION__);
+#endif
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-04 22:37:28 +0000