Merge branch 'master' into gallium-texture-transfer

Conflicts:

	src/mesa/state_tracker/st_cb_accum.c
	src/mesa/state_tracker/st_cb_drawpixels.c

1 files changed, 288 insertions, 0 deletions

diff --git a/src/gallium/winsys/drm/radeon/radeon_screen.c b/src/gallium/winsys/drm/radeon/radeon_screen.c
new file mode 100644
index 00000000000..e31caff0bf8
--- /dev/null
+++ b/src/gallium/winsys/drm/radeon/radeon_screen.c
@@ -0,0 +1,288 @@
+/* 
+ * Copyright © 2008 Jérôme Glisse
+ * 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 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 THE COPYRIGHT HOLDERS, AUTHORS
+ * 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ */
+/*
+ * Authors:
+ *      Jérôme Glisse <[email protected]>
+ */
+#include <stdio.h>
+#include "pipe/p_screen.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_context.h"
+#include "pipe/p_state.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_context.h"
+#include "utils.h"
+#include "xf86drm.h"
+#include "drm.h"
+#include "dri_util.h"
+#include "radeon_screen.h"
+#include "radeon_context.h"
+#include "radeon_buffer.h"
+#include "radeon_bo.h"
+#include "radeon_bo_gem.h"
+#include "radeon_drm.h"
+
+extern const struct dri_extension radeon_card_extensions[];
+
+static const __DRIextension *radeon_screen_extensions[] = {
+    &driReadDrawableExtension,
+    &driCopySubBufferExtension.base,
+    &driSwapControlExtension.base,
+    &driFrameTrackingExtension.base,
+    &driMediaStreamCounterExtension.base,
+    NULL
+};
+
+static __DRIconfig **radeon_fill_in_modes(unsigned pixel_bits,
+                                       unsigned depth_bits,
+                                       GLboolean have_back_buffer)
+{
+    __DRIconfig **configs;
+    unsigned depth_buffer_factor;
+    unsigned back_buffer_factor;
+    unsigned num_modes;
+    GLenum fb_format;
+    GLenum fb_type;
+    uint8_t depth_bits_array[3];
+    uint8_t stencil_bits_array[3];
+    uint8_t msaa_samples_array[1];
+    /* TODO: pageflipping ? */
+    static const GLenum back_buffer_modes[] = {
+        GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+    };
+
+    stencil_bits_array[0] = 0;
+    stencil_bits_array[1] = 0;
+    if (depth_bits == 24) {
+        stencil_bits_array[2] = 8;
+        num_modes = 3;
+    }
+
+    depth_bits_array[0] = 0;
+    depth_bits_array[1] = depth_bits;
+    depth_bits_array[2] = depth_bits;
+    depth_buffer_factor = (depth_bits == 24) ? 3 : 2;
+
+    back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+    msaa_samples_array[0] = 0;
+
+    if (pixel_bits == 16) {
+        fb_format = GL_RGB;
+        fb_type = GL_UNSIGNED_SHORT_5_6_5;
+    } else {
+        fb_format = GL_BGRA;
+        fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
+    }
+
+    configs = (__DRIconfig **)driCreateConfigs(fb_format,
+                                               fb_type,
+                                               depth_bits_array,
+                                               stencil_bits_array,
+                                               depth_buffer_factor,
+                                               back_buffer_modes,
+                                               back_buffer_factor,
+                                               msaa_samples_array,
+                                               1);
+    if (configs == NULL) {
+        fprintf(stderr, "[%s:%u] Error creating FBConfig!\n",
+                __FILE__, __LINE__);
+        return NULL;
+    }
+    return configs;
+}
+
+static void radeon_screen_destroy(__DRIscreenPrivate *dri_screen)
+{
+     struct radeon_screen *radeon_screen = (struct radeon_screen*)dri_screen->private;
+
+     radeon_bo_manager_gem_dtor(radeon_screen->bom); 
+     dri_screen = NULL;
+     free(radeon_screen);
+}
+
+static const __DRIconfig **radeon_screen_init(__DRIscreenPrivate *dri_screen)
+{
+    struct radeon_screen *radeon_screen;
+
+    /* Calling driInitExtensions here, with a NULL context pointer,
+     * does not actually enable the extensions.  It just makes sure
+     * that all the dispatch offsets for all the extensions that
+     * *might* be enables are known.  This is needed because the
+     * dispatch offsets need to be known when _mesa_context_create is
+     * called, but we can't enable the extensions until we have a
+     * context pointer.
+     *
+     * Hello chicken.  Hello egg.  How are you two today?
+     */
+    driInitExtensions(NULL, radeon_card_extensions, GL_FALSE);
+
+    radeon_screen = calloc(1, sizeof(struct radeon_screen));
+    if (radeon_screen == NULL) {
+        fprintf(stderr, "\nERROR!  Allocating private area failed\n");
+        return NULL;
+    }
+    dri_screen->private = (void*)radeon_screen;
+    dri_screen->extensions = radeon_screen_extensions;
+    radeon_screen->dri_screen = dri_screen;
+
+    radeon_screen->bom = radeon_bo_manager_gem_ctor(dri_screen->fd);
+    if (radeon_screen->bom == NULL) {
+        radeon_screen_destroy(dri_screen);
+        return NULL;
+    }
+
+    return driConcatConfigs(radeon_fill_in_modes(16, 16, 1),
+                            radeon_fill_in_modes(32, 24, 1));
+}
+
+static boolean radeon_buffer_create(__DRIscreenPrivate *dri_screen,
+                                 __DRIdrawablePrivate *dri_drawable,
+                                 const __GLcontextModes *visual,
+                                 boolean is_pixmap)
+{
+    if (is_pixmap) {
+        /* TODO: implement ? */
+        return GL_FALSE;
+    } else {
+        enum pipe_format color_format, depth_format, stencil_format;
+        struct radeon_framebuffer *radeon_fb;
+
+        radeon_fb = calloc(1, sizeof(struct radeon_framebuffer));
+        if (radeon_fb == NULL) {
+            return GL_FALSE;
+        }
+
+        switch (visual->redBits) {
+        case 5:
+            color_format = PIPE_FORMAT_R5G6B5_UNORM;
+            break;
+        default:
+            color_format = PIPE_FORMAT_A8R8G8B8_UNORM;
+            break;
+        }
+
+        switch (visual->depthBits) {
+        case 24:
+            depth_format = PIPE_FORMAT_S8Z24_UNORM;
+            break;
+        case 16:
+            depth_format = PIPE_FORMAT_Z16_UNORM;
+            break;
+        default:
+            depth_format = PIPE_FORMAT_NONE;
+            break;
+        }
+
+        switch (visual->stencilBits) {
+        case 8:
+            /* force depth format */
+            depth_format = PIPE_FORMAT_S8Z24_UNORM;
+            stencil_format = PIPE_FORMAT_S8Z24_UNORM;
+            break;
+        default:
+            stencil_format = PIPE_FORMAT_NONE;
+            break;
+        }
+
+        radeon_fb->st_framebuffer = st_create_framebuffer(visual,
+                                                       color_format,
+                                                       depth_format,
+                                                       stencil_format,
+                                                       dri_drawable->w,
+                                                       dri_drawable->h,
+                                                       (void*)radeon_fb);
+        if (radeon_fb->st_framebuffer == NULL) {
+            free(radeon_fb);
+            return GL_FALSE;
+        }
+        dri_drawable->driverPrivate = (void *) radeon_fb;
+
+        radeon_fb->attachments = (1 << __DRI_BUFFER_FRONT_LEFT);
+        if (visual->doubleBufferMode) {
+            radeon_fb->attachments |= (1 << __DRI_BUFFER_BACK_LEFT);
+        }
+        if (visual->depthBits || visual->stencilBits) {
+            radeon_fb->attachments |= (1 << __DRI_BUFFER_DEPTH);
+        }
+
+        return GL_TRUE;
+    }
+}
+
+static void radeon_buffer_destroy(__DRIdrawablePrivate * dri_drawable)
+{
+   struct radeon_framebuffer *radeon_fb;
+   
+   radeon_fb = dri_drawable->driverPrivate;
+   assert(radeon_fb->st_framebuffer);
+   st_unreference_framebuffer(radeon_fb->st_framebuffer);
+   free(radeon_fb);
+}
+
+static void radeon_swap_buffers(__DRIdrawablePrivate *dri_drawable)
+{
+    struct radeon_framebuffer *radeon_fb;
+    struct pipe_surface *back_surf = NULL;
+
+    radeon_fb = dri_drawable->driverPrivate;
+    assert(radeon_fb);
+    assert(radeon_fb->st_framebuffer);
+
+    st_get_framebuffer_surface(radeon_fb->st_framebuffer,
+                               ST_SURFACE_BACK_LEFT,
+                               &back_surf);
+    if (back_surf) {
+        st_notify_swapbuffers(radeon_fb->st_framebuffer);
+        /* TODO: do we want to do anythings ? */
+        st_notify_swapbuffers_complete(radeon_fb->st_framebuffer);
+    }
+}
+
+/**
+ * Called via glXCopySubBufferMESA() to copy a subrect of the back
+ * buffer to the front buffer/screen.
+ */
+static void radeon_copy_sub_buffer(__DRIdrawablePrivate *dri_drawable,
+                         int x, int y, int w, int h)
+{
+    /* TODO: ... */
+}
+
+const struct __DriverAPIRec driDriverAPI = {
+    .InitScreen           = NULL,
+    .DestroyScreen        = radeon_screen_destroy,
+    .CreateContext        = radeon_context_create,
+    .DestroyContext       = radeon_context_destroy,
+    .CreateBuffer         = radeon_buffer_create,
+    .DestroyBuffer        = radeon_buffer_destroy,
+    .SwapBuffers          = radeon_swap_buffers,
+    .MakeCurrent          = radeon_context_bind,
+    .UnbindContext        = radeon_context_unbind,
+    .CopySubBuffer        = radeon_copy_sub_buffer,
+    .InitScreen2          = radeon_screen_init,
+};