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Diffstat (limited to 'src/gallium/winsys/drm/radeon/radeon_screen.c')
-rw-r--r--src/gallium/winsys/drm/radeon/radeon_screen.c288
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 0000000000..e31caff0bf
--- /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 <glisse@freedesktop.org>
+ */
+#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,
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-06 05:41:49 +0000