--- /dev/null
- uint32_t frame;
+/**************************************************************************
+
+Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+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, sublicense, 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 NONINFRINGEMENT.
+IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+/*
+ - Scissor implementation
+ - buffer swap/copy ioctls
+ - finish/flush
+ - state emission
+ - cmdbuffer management
+*/
+
+#include <errno.h>
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/api_arrayelt.h"
+#include "main/enums.h"
+#include "main/colormac.h"
+#include "main/light.h"
+#include "main/framebuffer.h"
+#include "main/simple_list.h"
+#include "main/renderbuffer.h"
+#include "swrast/swrast.h"
+#include "vbo/vbo.h"
+#include "tnl/tnl.h"
+#include "tnl/t_pipeline.h"
+#include "swrast_setup/swrast_setup.h"
+
+#include "dri_util.h"
+#include "vblank.h"
+
+#include "radeon_common.h"
+#include "radeon_bocs_wrapper.h"
+#include "radeon_lock.h"
+#include "radeon_drm.h"
+#include "radeon_mipmap_tree.h"
+
+#define DEBUG_CMDBUF 0
+
+/* =============================================================
+ * Scissoring
+ */
+
+static GLboolean intersect_rect(drm_clip_rect_t * out,
+ drm_clip_rect_t * a, drm_clip_rect_t * b)
+{
+ *out = *a;
+ if (b->x1 > out->x1)
+ out->x1 = b->x1;
+ if (b->y1 > out->y1)
+ out->y1 = b->y1;
+ if (b->x2 < out->x2)
+ out->x2 = b->x2;
+ if (b->y2 < out->y2)
+ out->y2 = b->y2;
+ if (out->x1 >= out->x2)
+ return GL_FALSE;
+ if (out->y1 >= out->y2)
+ return GL_FALSE;
+ return GL_TRUE;
+}
+
+void radeonRecalcScissorRects(radeonContextPtr radeon)
+{
+ drm_clip_rect_t *out;
+ int i;
+
+ /* Grow cliprect store?
+ */
+ if (radeon->state.scissor.numAllocedClipRects < radeon->numClipRects) {
+ while (radeon->state.scissor.numAllocedClipRects <
+ radeon->numClipRects) {
+ radeon->state.scissor.numAllocedClipRects += 1; /* zero case */
+ radeon->state.scissor.numAllocedClipRects *= 2;
+ }
+
+ if (radeon->state.scissor.pClipRects)
+ FREE(radeon->state.scissor.pClipRects);
+
+ radeon->state.scissor.pClipRects =
+ MALLOC(radeon->state.scissor.numAllocedClipRects *
+ sizeof(drm_clip_rect_t));
+
+ if (radeon->state.scissor.pClipRects == NULL) {
+ radeon->state.scissor.numAllocedClipRects = 0;
+ return;
+ }
+ }
+
+ out = radeon->state.scissor.pClipRects;
+ radeon->state.scissor.numClipRects = 0;
+
+ for (i = 0; i < radeon->numClipRects; i++) {
+ if (intersect_rect(out,
+ &radeon->pClipRects[i],
+ &radeon->state.scissor.rect)) {
+ radeon->state.scissor.numClipRects++;
+ out++;
+ }
+ }
+}
+
+static void radeon_get_cliprects(radeonContextPtr radeon,
+ struct drm_clip_rect **cliprects,
+ unsigned int *num_cliprects,
+ int *x_off, int *y_off)
+{
+ __DRIdrawablePrivate *dPriv = radeon->dri.drawable;
+ struct radeon_framebuffer *rfb = dPriv->driverPrivate;
+
+ if (radeon->constant_cliprect) {
+ radeon->fboRect.x1 = 0;
+ radeon->fboRect.y1 = 0;
+ radeon->fboRect.x2 = radeon->glCtx->DrawBuffer->Width;
+ radeon->fboRect.y2 = radeon->glCtx->DrawBuffer->Height;
+
+ *cliprects = &radeon->fboRect;
+ *num_cliprects = 1;
+ *x_off = 0;
+ *y_off = 0;
+ } else if (radeon->front_cliprects ||
+ rfb->pf_active || dPriv->numBackClipRects == 0) {
+ *cliprects = dPriv->pClipRects;
+ *num_cliprects = dPriv->numClipRects;
+ *x_off = dPriv->x;
+ *y_off = dPriv->y;
+ } else {
+ *num_cliprects = dPriv->numBackClipRects;
+ *cliprects = dPriv->pBackClipRects;
+ *x_off = dPriv->backX;
+ *y_off = dPriv->backY;
+ }
+}
+
+/**
+ * Update cliprects and scissors.
+ */
+void radeonSetCliprects(radeonContextPtr radeon)
+{
+ __DRIdrawablePrivate *const drawable = radeon->dri.drawable;
+ __DRIdrawablePrivate *const readable = radeon->dri.readable;
+ struct radeon_framebuffer *const draw_rfb = drawable->driverPrivate;
+ struct radeon_framebuffer *const read_rfb = readable->driverPrivate;
+ int x_off, y_off;
+
+ radeon_get_cliprects(radeon, &radeon->pClipRects,
+ &radeon->numClipRects, &x_off, &y_off);
+
+ if ((draw_rfb->base.Width != drawable->w) ||
+ (draw_rfb->base.Height != drawable->h)) {
+ _mesa_resize_framebuffer(radeon->glCtx, &draw_rfb->base,
+ drawable->w, drawable->h);
+ draw_rfb->base.Initialized = GL_TRUE;
+ }
+
+ if (drawable != readable) {
+ if ((read_rfb->base.Width != readable->w) ||
+ (read_rfb->base.Height != readable->h)) {
+ _mesa_resize_framebuffer(radeon->glCtx, &read_rfb->base,
+ readable->w, readable->h);
+ read_rfb->base.Initialized = GL_TRUE;
+ }
+ }
+
+ if (radeon->state.scissor.enabled)
+ radeonRecalcScissorRects(radeon);
+
+}
+
+
+
+void radeonUpdateScissor( GLcontext *ctx )
+{
+ radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
+
+ if ( rmesa->dri.drawable ) {
+ __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
+
+ int x = ctx->Scissor.X;
+ int y = dPriv->h - ctx->Scissor.Y - ctx->Scissor.Height;
+ int w = ctx->Scissor.X + ctx->Scissor.Width - 1;
+ int h = dPriv->h - ctx->Scissor.Y - 1;
+
+ rmesa->state.scissor.rect.x1 = x + dPriv->x;
+ rmesa->state.scissor.rect.y1 = y + dPriv->y;
+ rmesa->state.scissor.rect.x2 = w + dPriv->x + 1;
+ rmesa->state.scissor.rect.y2 = h + dPriv->y + 1;
+
+ radeonRecalcScissorRects( rmesa );
+ }
+}
+
+/* =============================================================
+ * Scissoring
+ */
+
+void radeonScissor(GLcontext* ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ if (ctx->Scissor.Enabled) {
+ /* We don't pipeline cliprect changes */
+ radeon_firevertices(radeon);
+ radeonUpdateScissor(ctx);
+ }
+}
+
+
+/* ================================================================
+ * SwapBuffers with client-side throttling
+ */
+
+static uint32_t radeonGetLastFrame(radeonContextPtr radeon)
+{
+ drm_radeon_getparam_t gp;
+ int ret;
++ uint32_t frame = 0;
+
+ gp.param = RADEON_PARAM_LAST_FRAME;
+ gp.value = (int *)&frame;
+ ret = drmCommandWriteRead(radeon->dri.fd, DRM_RADEON_GETPARAM,
+ &gp, sizeof(gp));
+ if (ret) {
+ fprintf(stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__,
+ ret);
+ exit(1);
+ }
+
+ return frame;
+}
+
+uint32_t radeonGetAge(radeonContextPtr radeon)
+{
+ drm_radeon_getparam_t gp;
+ int ret;
+ uint32_t age;
+
+ gp.param = RADEON_PARAM_LAST_CLEAR;
+ gp.value = (int *)&age;
+ ret = drmCommandWriteRead(radeon->dri.fd, DRM_RADEON_GETPARAM,
+ &gp, sizeof(gp));
+ if (ret) {
+ fprintf(stderr, "%s: drmRadeonGetParam: %d\n", __FUNCTION__,
+ ret);
+ exit(1);
+ }
+
+ return age;
+}
+
+static void radeonEmitIrqLocked(radeonContextPtr radeon)
+{
+ drm_radeon_irq_emit_t ie;
+ int ret;
+
+ ie.irq_seq = &radeon->iw.irq_seq;
+ ret = drmCommandWriteRead(radeon->dri.fd, DRM_RADEON_IRQ_EMIT,
+ &ie, sizeof(ie));
+ if (ret) {
+ fprintf(stderr, "%s: drmRadeonIrqEmit: %d\n", __FUNCTION__,
+ ret);
+ exit(1);
+ }
+}
+
+static void radeonWaitIrq(radeonContextPtr radeon)
+{
+ int ret;
+
+ do {
+ ret = drmCommandWrite(radeon->dri.fd, DRM_RADEON_IRQ_WAIT,
+ &radeon->iw, sizeof(radeon->iw));
+ } while (ret && (errno == EINTR || errno == EBUSY));
+
+ if (ret) {
+ fprintf(stderr, "%s: drmRadeonIrqWait: %d\n", __FUNCTION__,
+ ret);
+ exit(1);
+ }
+}
+
+static void radeonWaitForFrameCompletion(radeonContextPtr radeon)
+{
+ drm_radeon_sarea_t *sarea = radeon->sarea;
+
+ if (radeon->do_irqs) {
+ if (radeonGetLastFrame(radeon) < sarea->last_frame) {
+ if (!radeon->irqsEmitted) {
+ while (radeonGetLastFrame(radeon) <
+ sarea->last_frame) ;
+ } else {
+ UNLOCK_HARDWARE(radeon);
+ radeonWaitIrq(radeon);
+ LOCK_HARDWARE(radeon);
+ }
+ radeon->irqsEmitted = 10;
+ }
+
+ if (radeon->irqsEmitted) {
+ radeonEmitIrqLocked(radeon);
+ radeon->irqsEmitted--;
+ }
+ } else {
+ while (radeonGetLastFrame(radeon) < sarea->last_frame) {
+ UNLOCK_HARDWARE(radeon);
+ if (radeon->do_usleeps)
+ DO_USLEEP(1);
+ LOCK_HARDWARE(radeon);
+ }
+ }
+}
+
+/* wait for idle */
+void radeonWaitForIdleLocked(radeonContextPtr radeon)
+{
+ int ret;
+ int i = 0;
+
+ do {
+ ret = drmCommandNone(radeon->dri.fd, DRM_RADEON_CP_IDLE);
+ if (ret)
+ DO_USLEEP(1);
+ } while (ret && ++i < 100);
+
+ if (ret < 0) {
+ UNLOCK_HARDWARE(radeon);
+ fprintf(stderr, "Error: R300 timed out... exiting\n");
+ exit(-1);
+ }
+}
+
+static void radeonWaitForIdle(radeonContextPtr radeon)
+{
+ LOCK_HARDWARE(radeon);
+ radeonWaitForIdleLocked(radeon);
+ UNLOCK_HARDWARE(radeon);
+}
+
+static void radeon_flip_renderbuffers(struct radeon_framebuffer *rfb)
+{
+ int current_page = rfb->pf_current_page;
+ int next_page = (current_page + 1) % rfb->pf_num_pages;
+ struct gl_renderbuffer *tmp_rb;
+
+ /* Exchange renderbuffers if necessary but make sure their
+ * reference counts are preserved.
+ */
+ if (rfb->color_rb[current_page] &&
+ rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer !=
+ &rfb->color_rb[current_page]->base) {
+ tmp_rb = NULL;
+ _mesa_reference_renderbuffer(&tmp_rb,
+ rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
+ tmp_rb = &rfb->color_rb[current_page]->base;
+ _mesa_reference_renderbuffer(&rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer, tmp_rb);
+ _mesa_reference_renderbuffer(&tmp_rb, NULL);
+ }
+
+ if (rfb->color_rb[next_page] &&
+ rfb->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer !=
+ &rfb->color_rb[next_page]->base) {
+ tmp_rb = NULL;
+ _mesa_reference_renderbuffer(&tmp_rb,
+ rfb->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer);
+ tmp_rb = &rfb->color_rb[next_page]->base;
+ _mesa_reference_renderbuffer(&rfb->base.Attachment[BUFFER_BACK_LEFT].Renderbuffer, tmp_rb);
+ _mesa_reference_renderbuffer(&tmp_rb, NULL);
+ }
+}
+
+/* Copy the back color buffer to the front color buffer.
+ */
+void radeonCopyBuffer( __DRIdrawablePrivate *dPriv,
+ const drm_clip_rect_t *rect)
+{
+ radeonContextPtr rmesa;
+ struct radeon_framebuffer *rfb;
+ GLint nbox, i, ret;
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ rmesa = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
+
+ LOCK_HARDWARE(rmesa);
+
+ rfb = dPriv->driverPrivate;
+
+ if ( RADEON_DEBUG & DEBUG_IOCTL ) {
+ fprintf( stderr, "\n%s( %p )\n\n", __FUNCTION__, (void *) rmesa->glCtx );
+ }
+
+ nbox = dPriv->numClipRects; /* must be in locked region */
+
+ for ( i = 0 ; i < nbox ; ) {
+ GLint nr = MIN2( i + RADEON_NR_SAREA_CLIPRECTS , nbox );
+ drm_clip_rect_t *box = dPriv->pClipRects;
+ drm_clip_rect_t *b = rmesa->sarea->boxes;
+ GLint n = 0;
+
+ for ( ; i < nr ; i++ ) {
+
+ *b = box[i];
+
+ if (rect)
+ {
+ if (rect->x1 > b->x1)
+ b->x1 = rect->x1;
+ if (rect->y1 > b->y1)
+ b->y1 = rect->y1;
+ if (rect->x2 < b->x2)
+ b->x2 = rect->x2;
+ if (rect->y2 < b->y2)
+ b->y2 = rect->y2;
+
+ if (b->x1 >= b->x2 || b->y1 >= b->y2)
+ continue;
+ }
+
+ b++;
+ n++;
+ }
+ rmesa->sarea->nbox = n;
+
+ if (!n)
+ continue;
+
+ ret = drmCommandNone( rmesa->dri.fd, DRM_RADEON_SWAP );
+
+ if ( ret ) {
+ fprintf( stderr, "DRM_RADEON_SWAP_BUFFERS: return = %d\n", ret );
+ UNLOCK_HARDWARE( rmesa );
+ exit( 1 );
+ }
+ }
+
+ UNLOCK_HARDWARE( rmesa );
+}
+
+static int radeonScheduleSwap(__DRIdrawablePrivate *dPriv, GLboolean *missed_target)
+{
+ radeonContextPtr rmesa;
+
+ rmesa = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
+ radeon_firevertices(rmesa);
+
+ LOCK_HARDWARE( rmesa );
+
+ if (!dPriv->numClipRects) {
+ UNLOCK_HARDWARE(rmesa);
+ usleep(10000); /* throttle invisible client 10ms */
+ return 0;
+ }
+
+ radeonWaitForFrameCompletion(rmesa);
+
+ UNLOCK_HARDWARE(rmesa);
+ driWaitForVBlank(dPriv, missed_target);
+
+ return 0;
+}
+
+static GLboolean radeonPageFlip( __DRIdrawablePrivate *dPriv )
+{
+ radeonContextPtr radeon;
+ GLint ret;
+ __DRIscreenPrivate *psp;
+ struct radeon_renderbuffer *rrb;
+ struct radeon_framebuffer *rfb;
+
+ assert(dPriv);
+ assert(dPriv->driContextPriv);
+ assert(dPriv->driContextPriv->driverPrivate);
+
+ radeon = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
+ rfb = dPriv->driverPrivate;
+ rrb = (void *)rfb->base.Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+
+ psp = dPriv->driScreenPriv;
+
+ LOCK_HARDWARE(radeon);
+
+ if ( RADEON_DEBUG & DEBUG_IOCTL ) {
+ fprintf(stderr, "%s: pfCurrentPage: %d %d\n", __FUNCTION__,
+ radeon->sarea->pfCurrentPage, radeon->sarea->pfState);
+ }
+ drm_clip_rect_t *box = dPriv->pClipRects;
+ drm_clip_rect_t *b = radeon->sarea->boxes;
+ b[0] = box[0];
+ radeon->sarea->nbox = 1;
+
+ ret = drmCommandNone( radeon->dri.fd, DRM_RADEON_FLIP );
+
+ UNLOCK_HARDWARE(radeon);
+
+ if ( ret ) {
+ fprintf( stderr, "DRM_RADEON_FLIP: return = %d\n", ret );
+ return GL_FALSE;
+ }
+
+ if (!rfb->pf_active)
+ return GL_FALSE;
+
+ rfb->pf_current_page = radeon->sarea->pfCurrentPage;
+ radeon_flip_renderbuffers(rfb);
+ radeon_draw_buffer(radeon->glCtx, &rfb->base);
+
+ return GL_TRUE;
+}
+
+
+/**
+ * Swap front and back buffer.
+ */
+void radeonSwapBuffers(__DRIdrawablePrivate * dPriv)
+{
+ int64_t ust;
+ __DRIscreenPrivate *psp;
+
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ radeonContextPtr radeon;
+ GLcontext *ctx;
+
+ radeon = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
+ ctx = radeon->glCtx;
+
+ if (ctx->Visual.doubleBufferMode) {
+ GLboolean missed_target;
+ struct radeon_framebuffer *rfb = dPriv->driverPrivate;
+ _mesa_notifySwapBuffers(ctx);/* flush pending rendering comands */
+
+ radeonScheduleSwap(dPriv, &missed_target);
+
+ if (rfb->pf_active) {
+ radeonPageFlip(dPriv);
+ } else {
+ radeonCopyBuffer(dPriv, NULL);
+ }
+
+ psp = dPriv->driScreenPriv;
+
+ rfb->swap_count++;
+ (*psp->systemTime->getUST)( & ust );
+ if ( missed_target ) {
+ rfb->swap_missed_count++;
+ rfb->swap_missed_ust = ust - rfb->swap_ust;
+ }
+
+ rfb->swap_ust = ust;
+ radeon->hw.all_dirty = GL_TRUE;
+ }
+ } else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ _mesa_problem(NULL, "%s: drawable has no context!",
+ __FUNCTION__);
+ }
+}
+
+void radeonCopySubBuffer(__DRIdrawablePrivate * dPriv,
+ int x, int y, int w, int h )
+{
+ if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
+ radeonContextPtr radeon;
+ GLcontext *ctx;
+
+ radeon = (radeonContextPtr) dPriv->driContextPriv->driverPrivate;
+ ctx = radeon->glCtx;
+
+ 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 */
+ radeonCopyBuffer(dPriv, &rect);
+ }
+ } else {
+ /* XXX this shouldn't be an error but we can't handle it for now */
+ _mesa_problem(NULL, "%s: drawable has no context!",
+ __FUNCTION__);
+ }
+}
+
+void radeon_draw_buffer(GLcontext *ctx, struct gl_framebuffer *fb)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ struct radeon_renderbuffer *rrbDepth = NULL, *rrbStencil = NULL,
+ *rrbColor = NULL;
+
+
+ if (!fb) {
+ /* this can happen during the initial context initialization */
+ return;
+ }
+
+ /* radeons only handle 1 color draw so far */
+ if (fb->_NumColorDrawBuffers != 1) {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DRAW_BUFFER, GL_TRUE);
+ return;
+ }
+
+ /* Do this here, note core Mesa, since this function is called from
+ * many places within the driver.
+ */
+ if (ctx->NewState & (_NEW_BUFFERS | _NEW_COLOR | _NEW_PIXEL)) {
+ /* this updates the DrawBuffer->_NumColorDrawBuffers fields, etc */
+ _mesa_update_framebuffer(ctx);
+ /* this updates the DrawBuffer's Width/Height if it's a FBO */
+ _mesa_update_draw_buffer_bounds(ctx);
+ }
+
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /* this may occur when we're called by glBindFrameBuffer() during
+ * the process of someone setting up renderbuffers, etc.
+ */
+ /*_mesa_debug(ctx, "DrawBuffer: incomplete user FBO\n");*/
+ return;
+ }
+
+ if (fb->Name)
+ ;/* do something depthy/stencily TODO */
+
+
+ /* none */
+ if (fb->Name == 0) {
+ if (fb->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
+ rrbColor = (void *)fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
+ radeon->front_cliprects = GL_TRUE;
+ } else {
+ rrbColor = (void *)fb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
+ radeon->front_cliprects = GL_FALSE;
+ }
+ } else {
+ /* user FBO in theory */
+ struct radeon_renderbuffer *rrb;
+ rrb = (void *)fb->_ColorDrawBuffers[0];
+ rrbColor = rrb;
+ radeon->constant_cliprect = GL_TRUE;
+ }
+
+ if (rrbColor == NULL)
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DRAW_BUFFER, GL_TRUE);
+ else
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DRAW_BUFFER, GL_FALSE);
+
+
+
+ if (fb->_DepthBuffer && fb->_DepthBuffer->Wrapped) {
+ rrbDepth = (struct radeon_renderbuffer *)fb->_DepthBuffer->Wrapped;
+ if (rrbDepth && rrbDepth->bo) {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DEPTH_BUFFER, GL_FALSE);
+ } else {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DEPTH_BUFFER, GL_TRUE);
+ }
+ } else {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_DEPTH_BUFFER, GL_FALSE);
+ rrbDepth = NULL;
+ }
+
+ /* TODO stencil things */
+ if (fb->_StencilBuffer && fb->_StencilBuffer->Wrapped) {
+ rrbStencil = (struct radeon_renderbuffer *)fb->_DepthBuffer->Wrapped;
+ if (rrbStencil && rrbStencil->bo) {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_STENCIL_BUFFER, GL_FALSE);
+ /* need to re-compute stencil hw state */
+ if (ctx->Driver.Enable != NULL)
+ ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
+ else
+ ctx->NewState |= _NEW_STENCIL;
+ if (!rrbDepth)
+ rrbDepth = rrbStencil;
+ } else {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_STENCIL_BUFFER, GL_TRUE);
+ }
+ } else {
+ radeon->vtbl.fallback(ctx, RADEON_FALLBACK_STENCIL_BUFFER, GL_FALSE);
+ if (ctx->Driver.Enable != NULL)
+ ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
+ else
+ ctx->NewState |= _NEW_STENCIL;
+ }
+
+ /* Update culling direction which changes depending on the
+ * orientation of the buffer:
+ */
+ if (ctx->Driver.FrontFace)
+ ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
+ else
+ ctx->NewState |= _NEW_POLYGON;
+
+ /*
+ * Update depth test state
+ */
+ if (ctx->Driver.Enable) {
+ if (ctx->Depth.Test && fb->Visual.depthBits > 0) {
+ ctx->Driver.Enable(ctx, GL_DEPTH_TEST, GL_TRUE);
+ } else {
+ ctx->Driver.Enable(ctx, GL_DEPTH_TEST, GL_FALSE);
+ }
+ } else {
+ ctx->NewState |= _NEW_DEPTH;
+ }
+
+ radeon->state.depth.rrb = rrbDepth;
+
+ radeon->state.color.rrb = rrbColor;
+
+ /* update viewport since it depends on window size */
+ if (ctx->Driver.Viewport) {
+ ctx->Driver.Viewport(ctx, ctx->Viewport.X, ctx->Viewport.Y,
+ ctx->Viewport.Width, ctx->Viewport.Height);
+ } else {
+ ctx->NewState |= _NEW_VIEWPORT;
+ }
+
+ /* Set state we know depends on drawable parameters:
+ */
+ if (ctx->Driver.Scissor)
+ ctx->Driver.Scissor(ctx, ctx->Scissor.X, ctx->Scissor.Y,
+ ctx->Scissor.Width, ctx->Scissor.Height);
+ radeon->NewGLState |= _NEW_SCISSOR;
+}
+
+/**
+ * Called via glDrawBuffer.
+ */
+void radeonDrawBuffer( GLcontext *ctx, GLenum mode )
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+
+ if (RADEON_DEBUG & DEBUG_DRI)
+ fprintf(stderr, "%s %s\n", __FUNCTION__,
+ _mesa_lookup_enum_by_nr( mode ));
+
+ radeon_firevertices(radeon); /* don't pipeline cliprect changes */
+
+ radeon_draw_buffer(ctx, ctx->DrawBuffer);
+}
+
+void radeonReadBuffer( GLcontext *ctx, GLenum mode )
+{
+ /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
+ if (ctx->ReadBuffer == ctx->DrawBuffer) {
+ /* This will update FBO completeness status.
+ * A framebuffer will be incomplete if the GL_READ_BUFFER setting
+ * refers to a missing renderbuffer. Calling glReadBuffer can set
+ * that straight and can make the drawing buffer complete.
+ */
+ radeon_draw_buffer(ctx, ctx->DrawBuffer);
+ }
+}
+
+
+/* Turn on/off page flipping according to the flags in the sarea:
+ */
+void radeonUpdatePageFlipping(radeonContextPtr radeon)
+{
+ struct radeon_framebuffer *rfb = radeon->dri.drawable->driverPrivate;
+
+ rfb->pf_active = radeon->sarea->pfState;
+ rfb->pf_current_page = radeon->sarea->pfCurrentPage;
+ rfb->pf_num_pages = 2;
+ radeon_flip_renderbuffers(rfb);
+ radeon_draw_buffer(radeon->glCtx, radeon->glCtx->DrawBuffer);
+}
+
+void radeon_window_moved(radeonContextPtr radeon)
+{
+ GLcontext *ctx = radeon->glCtx;
+ __DRIdrawablePrivate *dPriv = radeon->dri.drawable;
+ struct radeon_framebuffer *rfb = dPriv->driverPrivate;
+
+ if (!radeon->radeonScreen->driScreen->dri2.enabled) {
+ radeonUpdatePageFlipping(radeon);
+ }
+ radeonSetCliprects(radeon);
+}
+
+void radeon_viewport(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ __DRIcontext *driContext = radeon->dri.context;
+ void (*old_viewport)(GLcontext *ctx, GLint x, GLint y,
+ GLsizei w, GLsizei h);
+
+ if (!driContext->driScreenPriv->dri2.enabled)
+ return;
+
+ radeon_update_renderbuffers(driContext, driContext->driDrawablePriv);
+ if (driContext->driDrawablePriv != driContext->driReadablePriv)
+ radeon_update_renderbuffers(driContext, driContext->driReadablePriv);
+
+ old_viewport = ctx->Driver.Viewport;
+ ctx->Driver.Viewport = NULL;
+ radeon->dri.drawable = driContext->driDrawablePriv;
+ radeon_window_moved(radeon);
+ radeon_draw_buffer(ctx, radeon->glCtx->DrawBuffer);
+ ctx->Driver.Viewport = old_viewport;
+
+
+}
+static void radeon_print_state_atom(radeonContextPtr radeon, struct radeon_state_atom *state )
+{
+ int i;
+ int dwords = (*state->check)(radeon->glCtx, state);
+
+ fprintf(stderr, "emit %s %d/%d\n", state->name, state->cmd_size, dwords);
+
+ if (RADEON_DEBUG & DEBUG_VERBOSE)
+ for (i = 0 ; i < dwords; i++)
+ fprintf(stderr, "\t%s[%d]: %x\n", state->name, i, state->cmd[i]);
+
+}
+
+static INLINE void radeonEmitAtoms(radeonContextPtr radeon, GLboolean dirty)
+{
+ BATCH_LOCALS(radeon);
+ struct radeon_state_atom *atom;
+ int dwords;
+
+ if (radeon->vtbl.pre_emit_atoms)
+ radeon->vtbl.pre_emit_atoms(radeon);
+
+ /* Emit actual atoms */
+ foreach(atom, &radeon->hw.atomlist) {
+ if ((atom->dirty || radeon->hw.all_dirty) == dirty) {
+ dwords = (*atom->check) (radeon->glCtx, atom);
+ if (dwords) {
+ if (DEBUG_CMDBUF && RADEON_DEBUG & DEBUG_STATE) {
+ radeon_print_state_atom(radeon, atom);
+ }
+ if (atom->emit) {
+ (*atom->emit)(radeon->glCtx, atom);
+ } else {
+ BEGIN_BATCH_NO_AUTOSTATE(dwords);
+ OUT_BATCH_TABLE(atom->cmd, dwords);
+ END_BATCH();
+ }
+ atom->dirty = GL_FALSE;
+ } else {
+ if (DEBUG_CMDBUF && RADEON_DEBUG & DEBUG_STATE) {
+ fprintf(stderr, " skip state %s\n",
+ atom->name);
+ }
+ }
+ }
+ }
+
+ COMMIT_BATCH();
+}
+
+void radeonEmitState(radeonContextPtr radeon)
+{
+ if (RADEON_DEBUG & (DEBUG_STATE|DEBUG_PRIMS))
+ fprintf(stderr, "%s\n", __FUNCTION__);
+
+ if (radeon->vtbl.pre_emit_state)
+ radeon->vtbl.pre_emit_state(radeon);
+
+ /* this code used to return here but now it emits zbs */
+ if (radeon->cmdbuf.cs->cdw && !radeon->hw.is_dirty && !radeon->hw.all_dirty)
+ return;
+
+ /* To avoid going across the entire set of states multiple times, just check
+ * for enough space for the case of emitting all state, and inline the
+ * radeonAllocCmdBuf code here without all the checks.
+ */
+ rcommonEnsureCmdBufSpace(radeon, radeon->hw.max_state_size, __FUNCTION__);
+
+ if (!radeon->cmdbuf.cs->cdw) {
+ if (RADEON_DEBUG & DEBUG_STATE)
+ fprintf(stderr, "Begin reemit state\n");
+
+ radeonEmitAtoms(radeon, GL_FALSE);
+ }
+
+ if (RADEON_DEBUG & DEBUG_STATE)
+ fprintf(stderr, "Begin dirty state\n");
+
+ radeonEmitAtoms(radeon, GL_TRUE);
+ radeon->hw.is_dirty = GL_FALSE;
+ radeon->hw.all_dirty = GL_FALSE;
+
+}
+
+
+void radeonFlush(GLcontext *ctx)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ if (RADEON_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "%s %d\n", __FUNCTION__, radeon->cmdbuf.cs->cdw);
+
+ if (radeon->dma.flush)
+ radeon->dma.flush( ctx );
+
+ radeonEmitState(radeon);
+
+ if (radeon->cmdbuf.cs->cdw)
+ rcommonFlushCmdBuf(radeon, __FUNCTION__);
+}
+
+/* Make sure all commands have been sent to the hardware and have
+ * completed processing.
+ */
+void radeonFinish(GLcontext * ctx)
+{
+ radeonContextPtr radeon = RADEON_CONTEXT(ctx);
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ int i;
+
+ radeonFlush(ctx);
+
+ if (radeon->radeonScreen->kernel_mm) {
+ for (i = 0; i < fb->_NumColorDrawBuffers; i++) {
+ struct radeon_renderbuffer *rrb;
+ rrb = (struct radeon_renderbuffer *)fb->_ColorDrawBuffers[i];
+ if (rrb->bo)
+ radeon_bo_wait(rrb->bo);
+ }
+ } else if (radeon->do_irqs) {
+ LOCK_HARDWARE(radeon);
+ radeonEmitIrqLocked(radeon);
+ UNLOCK_HARDWARE(radeon);
+ radeonWaitIrq(radeon);
+ } else {
+ radeonWaitForIdle(radeon);
+ }
+}
+
+/* cmdbuffer */
+/**
+ * Send the current command buffer via ioctl to the hardware.
+ */
+int rcommonFlushCmdBufLocked(radeonContextPtr rmesa, const char *caller)
+{
+ int ret = 0;
+
+ if (rmesa->cmdbuf.flushing) {
+ fprintf(stderr, "Recursive call into r300FlushCmdBufLocked!\n");
+ exit(-1);
+ }
+ rmesa->cmdbuf.flushing = 1;
+
+ if (RADEON_DEBUG & DEBUG_IOCTL) {
+ fprintf(stderr, "%s from %s - %i cliprects\n",
+ __FUNCTION__, caller, rmesa->numClipRects);
+ }
+
+ if (rmesa->cmdbuf.cs->cdw) {
+ ret = radeon_cs_emit(rmesa->cmdbuf.cs);
+ rmesa->hw.all_dirty = GL_TRUE;
+ }
+ radeon_cs_erase(rmesa->cmdbuf.cs);
+ rmesa->cmdbuf.flushing = 0;
+ return ret;
+}
+
+int rcommonFlushCmdBuf(radeonContextPtr rmesa, const char *caller)
+{
+ int ret;
+
+ radeonReleaseDmaRegion(rmesa);
+
+ LOCK_HARDWARE(rmesa);
+ ret = rcommonFlushCmdBufLocked(rmesa, caller);
+ UNLOCK_HARDWARE(rmesa);
+
+ if (ret) {
+ fprintf(stderr, "drmRadeonCmdBuffer: %d\n", ret);
+ _mesa_exit(ret);
+ }
+
+ return ret;
+}
+
+/**
+ * Make sure that enough space is available in the command buffer
+ * by flushing if necessary.
+ *
+ * \param dwords The number of dwords we need to be free on the command buffer
+ */
+void rcommonEnsureCmdBufSpace(radeonContextPtr rmesa, int dwords, const char *caller)
+{
+ if ((rmesa->cmdbuf.cs->cdw + dwords + 128) > rmesa->cmdbuf.size ||
+ radeon_cs_need_flush(rmesa->cmdbuf.cs)) {
+ rcommonFlushCmdBuf(rmesa, caller);
+ }
+}
+
+void rcommonInitCmdBuf(radeonContextPtr rmesa)
+{
+ GLuint size;
+ /* Initialize command buffer */
+ size = 256 * driQueryOptioni(&rmesa->optionCache,
+ "command_buffer_size");
+ if (size < 2 * rmesa->hw.max_state_size) {
+ size = 2 * rmesa->hw.max_state_size + 65535;
+ }
+ if (size > 64 * 256)
+ size = 64 * 256;
+
+ if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA)) {
+ fprintf(stderr, "sizeof(drm_r300_cmd_header_t)=%zd\n",
+ sizeof(drm_r300_cmd_header_t));
+ fprintf(stderr, "sizeof(drm_radeon_cmd_buffer_t)=%zd\n",
+ sizeof(drm_radeon_cmd_buffer_t));
+ fprintf(stderr,
+ "Allocating %d bytes command buffer (max state is %d bytes)\n",
+ size * 4, rmesa->hw.max_state_size * 4);
+ }
+
+ if (rmesa->radeonScreen->kernel_mm) {
+ int fd = rmesa->radeonScreen->driScreen->fd;
+ rmesa->cmdbuf.csm = radeon_cs_manager_gem_ctor(fd);
+ } else {
+ rmesa->cmdbuf.csm = radeon_cs_manager_legacy_ctor(rmesa);
+ }
+ if (rmesa->cmdbuf.csm == NULL) {
+ /* FIXME: fatal error */
+ return;
+ }
+ rmesa->cmdbuf.cs = radeon_cs_create(rmesa->cmdbuf.csm, size);
+ assert(rmesa->cmdbuf.cs != NULL);
+ rmesa->cmdbuf.size = size;
+
+ if (!rmesa->radeonScreen->kernel_mm) {
+ radeon_cs_set_limit(rmesa->cmdbuf.cs, RADEON_GEM_DOMAIN_VRAM, rmesa->radeonScreen->texSize[0]);
+ radeon_cs_set_limit(rmesa->cmdbuf.cs, RADEON_GEM_DOMAIN_GTT, rmesa->radeonScreen->gartTextures.size);
+ } else {
+ struct drm_radeon_gem_info mminfo;
+
+ if (!drmCommandWriteRead(rmesa->dri.fd, DRM_RADEON_GEM_INFO, &mminfo, sizeof(mminfo)))
+ {
+ radeon_cs_set_limit(rmesa->cmdbuf.cs, RADEON_GEM_DOMAIN_VRAM, mminfo.vram_size);
+ radeon_cs_set_limit(rmesa->cmdbuf.cs, RADEON_GEM_DOMAIN_GTT, mminfo.gart_size);
+ }
+ }
+
+}
+/**
+ * Destroy the command buffer
+ */
+void rcommonDestroyCmdBuf(radeonContextPtr rmesa)
+{
+ radeon_cs_destroy(rmesa->cmdbuf.cs);
+ if (rmesa->radeonScreen->driScreen->dri2.enabled || rmesa->radeonScreen->kernel_mm) {
+ radeon_cs_manager_gem_dtor(rmesa->cmdbuf.csm);
+ } else {
+ radeon_cs_manager_legacy_dtor(rmesa->cmdbuf.csm);
+ }
+}
+
+void rcommonBeginBatch(radeonContextPtr rmesa, int n,
+ int dostate,
+ const char *file,
+ const char *function,
+ int line)
+{
+ rcommonEnsureCmdBufSpace(rmesa, n, function);
+ if (!rmesa->cmdbuf.cs->cdw && dostate) {
+ if (RADEON_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "Reemit state after flush (from %s)\n", function);
+ radeonEmitState(rmesa);
+ }
+ radeon_cs_begin(rmesa->cmdbuf.cs, n, file, function, line);
+
+ if (DEBUG_CMDBUF && RADEON_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr, "BEGIN_BATCH(%d) at %d, from %s:%i\n",
+ n, rmesa->cmdbuf.cs->cdw, function, line);
+
+}
+
+
+
projects / mesa.git / commitdiff