#include "dri_screen.h"
#include "dri_context.h"
#include "dri_drawable.h"
-#include "dri_st_api.h"
-#include "dri1_helper.h"
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
-
+
+static void
+swap_fences_unref(struct dri_drawable *draw);
+
+static boolean
+dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
+ const enum st_attachment_type *statts,
+ unsigned count,
+ struct pipe_resource **out)
+{
+ struct dri_drawable *drawable =
+ (struct dri_drawable *) stfbi->st_manager_private;
+ struct dri_screen *screen = dri_screen(drawable->sPriv);
+ unsigned statt_mask, new_mask;
+ boolean new_stamp;
+ int i;
+
+ statt_mask = 0x0;
+ for (i = 0; i < count; i++)
+ statt_mask |= (1 << statts[i]);
+
+ /* record newly allocated textures */
+ new_mask = (statt_mask & ~drawable->texture_mask);
+
+ /*
+ * dPriv->dri2.stamp is the server stamp. dPriv->lastStamp is the
+ * client stamp. It has the value of the server stamp when last
+ * checked.
+ */
+ new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp);
+
+ if (new_stamp || new_mask || screen->broken_invalidate) {
+ if (new_stamp && drawable->update_drawable_info)
+ drawable->update_drawable_info(drawable);
+
+ drawable->allocate_textures(drawable, statts, count);
+
+ /* add existing textures */
+ for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+ if (drawable->textures[i])
+ statt_mask |= (1 << i);
+ }
+
+ drawable->texture_stamp = drawable->dPriv->lastStamp;
+ drawable->texture_mask = statt_mask;
+ }
+
+ if (!out)
+ return TRUE;
+
+ for (i = 0; i < count; i++) {
+ out[i] = NULL;
+ pipe_resource_reference(&out[i], drawable->textures[statts[i]]);
+ }
+
+ return TRUE;
+}
+
+static boolean
+dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type statt)
+{
+ struct dri_drawable *drawable =
+ (struct dri_drawable *) stfbi->st_manager_private;
+
+ /* XXX remove this and just set the correct one on the framebuffer */
+ drawable->flush_frontbuffer(drawable, statt);
+
+ return TRUE;
+}
+
/**
* This is called when we need to set up GL rendering to a new X window.
*/
boolean
dri_create_buffer(__DRIscreen * sPriv,
__DRIdrawable * dPriv,
- const __GLcontextModes * visual, boolean isPixmap)
+ const struct gl_config * visual, boolean isPixmap)
{
struct dri_screen *screen = sPriv->private;
struct dri_drawable *drawable = NULL;
goto fail;
dri_fill_st_visual(&drawable->stvis, screen, visual);
- drawable->stfb = dri_create_st_framebuffer(drawable);
- if (drawable->stfb == NULL)
- goto fail;
+ /* setup the st_framebuffer_iface */
+ drawable->base.visual = &drawable->stvis;
+ drawable->base.flush_front = dri_st_framebuffer_flush_front;
+ drawable->base.validate = dri_st_framebuffer_validate;
+ drawable->base.st_manager_private = (void *) drawable;
+
+ drawable->screen = screen;
drawable->sPriv = sPriv;
drawable->dPriv = dPriv;
- dPriv->driverPrivate = (void *)drawable;
+ drawable->desired_fences = screen->default_throttle_frames;
+ if (drawable->desired_fences > DRI_SWAP_FENCES_MAX)
+ drawable->desired_fences = DRI_SWAP_FENCES_MAX;
- drawable->desired_fences = 2;
+ dPriv->driverPrivate = (void *)drawable;
+ p_atomic_set(&drawable->base.stamp, 1);
return GL_TRUE;
fail:
dri_destroy_buffer(__DRIdrawable * dPriv)
{
struct dri_drawable *drawable = dri_drawable(dPriv);
+ int i;
- dri1_swap_fences_clear(drawable);
-
- dri1_destroy_pipe_surface(drawable);
+ pipe_surface_reference(&drawable->drisw_surface, NULL);
- dri_destroy_st_framebuffer(drawable->stfb);
+ for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
+ pipe_resource_reference(&drawable->textures[i], NULL);
- drawable->desired_fences = 0;
+ swap_fences_unref(drawable);
FREE(drawable);
}
+/**
+ * Validate the texture at an attachment. Allocate the texture if it does not
+ * exist. Used by the TFP extension.
+ */
+static void
+dri_drawable_validate_att(struct dri_drawable *drawable,
+ enum st_attachment_type statt)
+{
+ enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
+ unsigned i, count = 0;
+
+ /* check if buffer already exists */
+ if (drawable->texture_mask & (1 << statt))
+ return;
+
+ /* make sure DRI2 does not destroy existing buffers */
+ for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
+ if (drawable->texture_mask & (1 << i)) {
+ statts[count++] = i;
+ }
+ }
+ statts[count++] = statt;
+
+ drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
+
+ drawable->base.validate(&drawable->base, statts, count, NULL);
+}
+
+/**
+ * These are used for GLX_EXT_texture_from_pixmap
+ */
+static void
+dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
+ GLint format, __DRIdrawable *dPriv)
+{
+ struct dri_context *ctx = dri_context(pDRICtx);
+ struct dri_drawable *drawable = dri_drawable(dPriv);
+ struct pipe_resource *pt;
+
+ dri_drawable_validate_att(drawable, ST_ATTACHMENT_FRONT_LEFT);
+
+ /* Use the pipe resource associated with the X drawable */
+ pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
+
+ if (pt) {
+ enum pipe_format internal_format = pt->format;
+
+ if (format == __DRI_TEXTURE_FORMAT_RGB) {
+ /* only need to cover the formats recognized by dri_fill_st_visual */
+ switch (internal_format) {
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ internal_format = PIPE_FORMAT_B8G8R8X8_UNORM;
+ break;
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ internal_format = PIPE_FORMAT_X8R8G8B8_UNORM;
+ break;
+ default:
+ break;
+ }
+ }
+
+ drawable->update_tex_buffer(drawable, ctx, pt);
+
+ ctx->st->teximage(ctx->st,
+ (target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
+ 0, internal_format, pt, FALSE);
+ }
+}
+
+static void
+dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
+ __DRIdrawable *dPriv)
+{
+ dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
+}
+
+const __DRItexBufferExtension driTexBufferExtension = {
+ { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+ dri_set_tex_buffer,
+ dri_set_tex_buffer2,
+ NULL,
+};
+
+/**
+ * Get the format and binding of an attachment.
+ */
+void
+dri_drawable_get_format(struct dri_drawable *drawable,
+ enum st_attachment_type statt,
+ enum pipe_format *format,
+ unsigned *bind)
+{
+ switch (statt) {
+ case ST_ATTACHMENT_FRONT_LEFT:
+ case ST_ATTACHMENT_BACK_LEFT:
+ case ST_ATTACHMENT_FRONT_RIGHT:
+ case ST_ATTACHMENT_BACK_RIGHT:
+ *format = drawable->stvis.color_format;
+ *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+ break;
+ case ST_ATTACHMENT_DEPTH_STENCIL:
+ *format = drawable->stvis.depth_stencil_format;
+ *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
+ break;
+ default:
+ *format = PIPE_FORMAT_NONE;
+ *bind = 0;
+ break;
+ }
+}
+
+
+/**
+ * swap_fences_pop_front - pull a fence from the throttle queue
+ *
+ * If the throttle queue is filled to the desired number of fences,
+ * pull fences off the queue until the number is less than the desired
+ * number of fences, and return the last fence pulled.
+ */
+static struct pipe_fence_handle *
+swap_fences_pop_front(struct dri_drawable *draw)
+{
+ struct pipe_screen *screen = draw->screen->base.screen;
+ struct pipe_fence_handle *fence = NULL;
+
+ if (draw->desired_fences == 0)
+ return NULL;
+
+ if (draw->cur_fences >= draw->desired_fences) {
+ screen->fence_reference(screen, &fence, draw->swap_fences[draw->tail]);
+ screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
+ draw->tail &= DRI_SWAP_FENCES_MASK;
+ --draw->cur_fences;
+ }
+ return fence;
+}
+
+
+/**
+ * swap_fences_push_back - push a fence onto the throttle queue
+ *
+ * push a fence onto the throttle queue and pull fences of the queue
+ * so that the desired number of fences are on the queue.
+ */
+static void
+swap_fences_push_back(struct dri_drawable *draw,
+ struct pipe_fence_handle *fence)
+{
+ struct pipe_screen *screen = draw->screen->base.screen;
+
+ if (!fence || draw->desired_fences == 0)
+ return;
+
+ while(draw->cur_fences == draw->desired_fences)
+ swap_fences_pop_front(draw);
+
+ draw->cur_fences++;
+ screen->fence_reference(screen, &draw->swap_fences[draw->head++],
+ fence);
+ draw->head &= DRI_SWAP_FENCES_MASK;
+}
+
+
+/**
+ * swap_fences_unref - empty the throttle queue
+ *
+ * pulls fences of the throttle queue until it is empty.
+ */
+static void
+swap_fences_unref(struct dri_drawable *draw)
+{
+ struct pipe_screen *screen = draw->screen->base.screen;
+
+ while(draw->cur_fences) {
+ screen->fence_reference(screen, &draw->swap_fences[draw->tail++], NULL);
+ draw->tail &= DRI_SWAP_FENCES_MASK;
+ --draw->cur_fences;
+ }
+}
+
+
+/**
+ * dri_throttle - A DRI2ThrottleExtension throttling function.
+ *
+ * pulls a fence off the throttling queue and waits for it if the
+ * number of fences on the throttling queue has reached the desired
+ * number.
+ *
+ * Then flushes to insert a fence at the current rendering position, and
+ * pushes that fence on the queue. This requires that the st_context_iface
+ * flush method returns a fence even if there are no commands to flush.
+ */
+static void
+dri_throttle(__DRIcontext *driCtx, __DRIdrawable *dPriv,
+ enum __DRI2throttleReason reason)
+{
+ struct dri_drawable *draw = dri_drawable(dPriv);
+ struct st_context_iface *ctxi;
+ struct pipe_screen *screen = draw->screen->base.screen;
+ struct pipe_fence_handle *fence;
+
+ if (reason != __DRI2_THROTTLE_SWAPBUFFER &&
+ reason != __DRI2_THROTTLE_FLUSHFRONT)
+ return;
+
+ fence = swap_fences_pop_front(draw);
+ if (fence) {
+ (void) screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
+ screen->fence_reference(screen, &fence, NULL);
+ }
+
+ if (driCtx == NULL)
+ return;
+
+ ctxi = dri_context(driCtx)->st;
+ ctxi->flush(ctxi, 0, &fence);
+ if (fence) {
+ swap_fences_push_back(draw, fence);
+ screen->fence_reference(screen, &fence, NULL);
+ }
+}
+
+
+const __DRI2throttleExtension dri2ThrottleExtension = {
+ .base = { __DRI2_THROTTLE, __DRI2_THROTTLE_VERSION },
+ .throttle = dri_throttle,
+};
+
+
/* vim: set sw=3 ts=8 sts=3 expandtab: */
projects / mesa.git / blobdiff