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Diffstat (limited to 'src/gallium/state_trackers/dri/dri_screen.c')
-rw-r--r--src/gallium/state_trackers/dri/dri_screen.c354
1 files changed, 354 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
new file mode 100644
index 0000000000..884b6d5011
--- /dev/null
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -0,0 +1,354 @@
+/**************************************************************************
+ *
+ * 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 <keithw@vmware.com>
+ * Author: Jakob Bornecrantz <wallbraker@gmail.com>
+ */
+
+#include "utils.h"
+#include "vblank.h"
+#include "xmlpool.h"
+
+#include "dri_screen.h"
+#include "dri_context.h"
+#include "dri_drawable.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+#include "pipe/p_inlines.h"
+#include "pipe/p_format.h"
+#include "state_tracker/drm_api.h"
+#include "state_tracker/dri1_api.h"
+#include "state_tracker/st_public.h"
+#include "state_tracker/st_cb_fbo.h"
+
+PUBLIC const char __driConfigOptions[] =
+ DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
+ DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
+ DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
+ DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
+ /*DRI_CONF_FORCE_S3TC_ENABLE(false) */
+ DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+ DRI_CONF_SECTION_END DRI_CONF_END;
+
+ const uint __driNConfigOptions = 3;
+
+static const __DRItexBufferExtension dri2TexBufferExtension = {
+ { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
+ dri2_set_tex_buffer,
+ dri2_set_tex_buffer2,
+};
+
+ static const __DRIextension *dri_screen_extensions[] = {
+ &driReadDrawableExtension,
+ &driCopySubBufferExtension.base,
+ &driSwapControlExtension.base,
+ &driFrameTrackingExtension.base,
+ &driMediaStreamCounterExtension.base,
+ &dri2TexBufferExtension.base,
+ NULL
+ };
+
+struct dri1_api *__dri1_api_hooks = NULL;
+
+static const __DRIconfig **
+dri_fill_in_modes(struct dri_screen *screen,
+ unsigned pixel_bits)
+{
+ __DRIconfig **configs = NULL;
+ unsigned num_modes;
+ uint8_t depth_bits_array[5];
+ uint8_t stencil_bits_array[5];
+ uint8_t msaa_samples_array[1];
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ unsigned msaa_samples_factor;
+ struct pipe_screen *p_screen = screen->pipe_screen;
+ boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
+ boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
+
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ };
+
+ depth_bits_array[0] = 0;
+ stencil_bits_array[0] = 0;
+ depth_buffer_factor = 1;
+
+ pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8Z24_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24S8_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_R5G6B5_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+ pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+ pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8R8G8B8_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_RENDER_TARGET, 0);
+
+ if (pf_z16) {
+ depth_bits_array[depth_buffer_factor] = 16;
+ stencil_bits_array[depth_buffer_factor++] = 0;
+ }
+ if (pf_x8z24 || pf_z24x8) {
+ depth_bits_array[depth_buffer_factor] = 24;
+ stencil_bits_array[depth_buffer_factor++] = 0;
+ screen->d_depth_bits_last = pf_x8z24;
+ }
+ if (pf_s8z24 || pf_z24s8) {
+ depth_bits_array[depth_buffer_factor] = 24;
+ stencil_bits_array[depth_buffer_factor++] = 8;
+ screen->sd_depth_bits_last = pf_s8z24;
+ }
+ if (pf_z32) {
+ depth_bits_array[depth_buffer_factor] = 32;
+ stencil_bits_array[depth_buffer_factor++] = 0;
+ }
+
+ msaa_samples_array[0] = 0;
+ back_buffer_factor = 3;
+ msaa_samples_factor = 1;
+
+ num_modes =
+ depth_buffer_factor * back_buffer_factor * msaa_samples_factor * 4;
+
+ if (pixel_bits == 16 && pf_r5g6b5) {
+ configs = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+ depth_bits_array, stencil_bits_array,
+ depth_buffer_factor, back_buffer_modes,
+ back_buffer_factor,
+ msaa_samples_array, 1);
+ } else {
+ __DRIconfig **configs_a8r8g8b8 = NULL;
+ __DRIconfig **configs_x8r8g8b8 = NULL;
+
+ if (pf_a8r8g8b8)
+ configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
+ depth_bits_array,
+ stencil_bits_array,
+ depth_buffer_factor,
+ back_buffer_modes,
+ back_buffer_factor,
+ msaa_samples_array, 1);
+ if (pf_x8r8g8b8)
+ configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
+ depth_bits_array,
+ stencil_bits_array,
+ depth_buffer_factor,
+ back_buffer_modes,
+ back_buffer_factor,
+ msaa_samples_array, 1);
+
+ if (configs_a8r8g8b8 && configs_x8r8g8b8)
+ configs = driConcatConfigs(configs_x8r8g8b8, configs_a8r8g8b8);
+ else if (configs_a8r8g8b8)
+ configs = configs_a8r8g8b8;
+ else if (configs_x8r8g8b8)
+ configs = configs_x8r8g8b8;
+ else
+ configs = NULL;
+ }
+
+ if (configs == NULL) {
+ debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
+ return NULL;
+ }
+
+ return (const const __DRIconfig **)configs;
+}
+
+/**
+ * Get information about previous buffer swaps.
+ */
+static int
+dri_get_swap_info(__DRIdrawablePrivate * dPriv, __DRIswapInfo * sInfo)
+{
+ if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL)
+ return -1;
+ else
+ return 0;
+}
+
+static INLINE void
+dri_copy_version(struct dri1_api_version *dst,
+ const struct __DRIversionRec *src)
+{
+ dst->major = src->major;
+ dst->minor = src->minor;
+ dst->patch_level = src->patch;
+}
+
+static const __DRIconfig **
+dri_init_screen(__DRIscreenPrivate * sPriv)
+{
+ struct dri_screen *screen;
+ const __DRIconfig **configs;
+ struct dri1_create_screen_arg arg;
+
+ dri_init_extensions(NULL);
+
+ screen = CALLOC_STRUCT(dri_screen);
+ if (!screen)
+ return NULL;
+
+ screen->api = drm_api_create();
+ screen->sPriv = sPriv;
+ screen->fd = sPriv->fd;
+ screen->drmLock = (drmLock *) & sPriv->pSAREA->lock;
+
+ sPriv->private = (void *)screen;
+ sPriv->extensions = dri_screen_extensions;
+
+ arg.base.mode = DRM_CREATE_DRI1;
+ arg.lf = &dri1_lf;
+ arg.ddx_info = sPriv->pDevPriv;
+ arg.ddx_info_size = sPriv->devPrivSize;
+ arg.sarea = sPriv->pSAREA;
+ dri_copy_version(&arg.ddx_version, &sPriv->ddx_version);
+ dri_copy_version(&arg.dri_version, &sPriv->dri_version);
+ dri_copy_version(&arg.drm_version, &sPriv->drm_version);
+ arg.api = NULL;
+
+ screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg.base);
+
+ if (!screen->pipe_screen || !arg.api) {
+ debug_printf("%s: failed to create dri1 screen\n", __FUNCTION__);
+ goto out_no_screen;
+ }
+
+ __dri1_api_hooks = arg.api;
+
+ screen->pipe_screen->flush_frontbuffer = dri1_flush_frontbuffer;
+ driParseOptionInfo(&screen->optionCache,
+ __driConfigOptions, __driNConfigOptions);
+
+ /**
+ * FIXME: If the driver supports format conversion swapbuffer blits, we might
+ * want to support other color bit depths than the server is currently
+ * using.
+ */
+
+ configs = dri_fill_in_modes(screen, sPriv->fbBPP);
+ if (!configs)
+ goto out_no_configs;
+
+ return configs;
+ out_no_configs:
+ screen->pipe_screen->destroy(screen->pipe_screen);
+ out_no_screen:
+ FREE(screen);
+ return NULL;
+}
+
+/**
+ * This is the driver specific part of the createNewScreen entry point.
+ *
+ * Returns the __GLcontextModes supported by this driver.
+ */
+static const __DRIconfig **
+dri_init_screen2(__DRIscreenPrivate * sPriv)
+{
+ struct dri_screen *screen;
+ struct drm_create_screen_arg arg;
+
+ /* Set up dispatch table to cope with all known extensions */
+ dri_init_extensions(NULL);
+
+ screen = CALLOC_STRUCT(dri_screen);
+ if (!screen)
+ goto fail;
+
+ screen->api = drm_api_create();
+ screen->sPriv = sPriv;
+ screen->fd = sPriv->fd;
+ sPriv->private = (void *)screen;
+ sPriv->extensions = dri_screen_extensions;
+ arg.mode = DRM_CREATE_NORMAL;
+
+ screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, &arg);
+ if (!screen->pipe_screen) {
+ debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
+ goto fail;
+ }
+
+ /* We need to hook in here */
+ screen->pipe_screen->flush_frontbuffer = dri_flush_frontbuffer;
+
+ driParseOptionInfo(&screen->optionCache,
+ __driConfigOptions, __driNConfigOptions);
+
+ return dri_fill_in_modes(screen, 32);
+ fail:
+ return NULL;
+}
+
+static void
+dri_destroy_screen(__DRIscreenPrivate * sPriv)
+{
+ struct dri_screen *screen = dri_screen(sPriv);
+
+ screen->pipe_screen->destroy(screen->pipe_screen);
+ FREE(screen);
+ sPriv->private = NULL;
+}
+
+PUBLIC const struct __DriverAPIRec driDriverAPI = {
+ .InitScreen = dri_init_screen,
+ .DestroyScreen = dri_destroy_screen,
+ .CreateContext = dri_create_context,
+ .DestroyContext = dri_destroy_context,
+ .CreateBuffer = dri_create_buffer,
+ .DestroyBuffer = dri_destroy_buffer,
+ .SwapBuffers = dri_swap_buffers,
+ .MakeCurrent = dri_make_current,
+ .UnbindContext = dri_unbind_context,
+ .GetSwapInfo = dri_get_swap_info,
+ .GetDrawableMSC = driDrawableGetMSC32,
+ .WaitForMSC = driWaitForMSC32,
+ .CopySubBuffer = dri_copy_sub_buffer,
+ .InitScreen = dri_init_screen,
+ .InitScreen2 = dri_init_screen2,
+};
+
+/* vim: set sw=3 ts=8 sts=3 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-04 21:59:46 +0000