diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r--[l---------] | src/gallium/state_trackers/dri/sw/dri_drawable.c | 270 |
1 files changed, 269 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/dri/sw/dri_drawable.c b/src/gallium/state_trackers/dri/sw/dri_drawable.c index 0fc19be6ea6..7b8de3174be 120000..100644 --- a/src/gallium/state_trackers/dri/sw/dri_drawable.c +++ b/src/gallium/state_trackers/dri/sw/dri_drawable.c @@ -1 +1,269 @@ -../common/dri_drawable.c
\ No newline at end of file +/************************************************************************** + * + * Copyright 2009, VMware, 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 VMWARE 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. + * + **************************************************************************/ +/* + * Author: Keith Whitwell <[email protected]> + * Author: Jakob Bornecrantz <[email protected]> + */ + +#include "dri_screen.h" +#include "dri_context.h" +#include "dri_drawable.h" + +#include "pipe/p_screen.h" +#include "util/u_format.h" +#include "util/u_memory.h" +#include "util/u_inlines.h" + + +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->pStamp is the server stamp. It should be accessed with a lock, at + * least for DRI1. 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 struct gl_config * visual, boolean isPixmap) +{ + struct dri_screen *screen = sPriv->private; + struct dri_drawable *drawable = NULL; + + if (isPixmap) + goto fail; /* not implemented */ + + drawable = CALLOC_STRUCT(dri_drawable); + if (drawable == NULL) + goto fail; + + dri_fill_st_visual(&drawable->stvis, screen, visual); + + /* 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; + p_atomic_set(&drawable->base.stamp, 1); + + return GL_TRUE; +fail: + FREE(drawable); + return GL_FALSE; +} + +void +dri_destroy_buffer(__DRIdrawable * dPriv) +{ + struct dri_drawable *drawable = dri_drawable(dPriv); + int i; + + pipe_surface_reference(&drawable->drisw_surface, NULL); + + for (i = 0; i < ST_ATTACHMENT_COUNT; i++) + pipe_resource_reference(&drawable->textures[i], NULL); + + 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); + + 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; + } + } + + 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; + } +} + +/* vim: set sw=3 ts=8 sts=3 expandtab: */ |