--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2003 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.
+ *
+ **************************************************************************/
+
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+#include "drm-uapi/drm_fourcc.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/framebuffer.h"
+#include "main/renderbuffer.h"
+#include "main/texobj.h"
+#include "main/hash.h"
+#include "main/fbobject.h"
+#include "main/version.h"
+#include "swrast/s_renderbuffer.h"
+
+#include "utils.h"
+#include "util/xmlpool.h"
+#include "util/u_memory.h"
+
+static const __DRIconfigOptionsExtension i915_config_options = {
+ .base = { __DRI_CONFIG_OPTIONS, 1 },
+ .xml =
+
+DRI_CONF_BEGIN
+ DRI_CONF_SECTION_PERFORMANCE
+ /* Options correspond to DRI_CONF_BO_REUSE_DISABLED,
+ * DRI_CONF_BO_REUSE_ALL
+ */
+ DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 1, "0:1")
+ DRI_CONF_DESC_BEGIN("Buffer object reuse")
+ DRI_CONF_ENUM(0, "Disable buffer object reuse")
+ DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects")
+ DRI_CONF_DESC_END
+ DRI_CONF_OPT_END
+
+ DRI_CONF_OPT_BEGIN_B(fragment_shader, "true")
+ DRI_CONF_DESC("Enable limited ARB_fragment_shader support on 915/945.")
+ DRI_CONF_OPT_END
+
+ DRI_CONF_SECTION_END
+ DRI_CONF_SECTION_QUALITY
+ DRI_CONF_SECTION_END
+ DRI_CONF_SECTION_DEBUG
+ DRI_CONF_ALWAYS_FLUSH_BATCH("false")
+ DRI_CONF_ALWAYS_FLUSH_CACHE("false")
+ DRI_CONF_DISABLE_THROTTLING("false")
+ DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN("false")
+ DRI_CONF_DISABLE_GLSL_LINE_CONTINUATIONS("false")
+ DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED("false")
+
+ DRI_CONF_OPT_BEGIN_B(stub_occlusion_query, "false")
+ DRI_CONF_DESC("Enable stub ARB_occlusion_query support on 915/945.")
+ DRI_CONF_OPT_END
+
+ DRI_CONF_OPT_BEGIN_B(shader_precompile, "true")
+ DRI_CONF_DESC("Perform code generation at shader link time.")
+ DRI_CONF_OPT_END
+ DRI_CONF_SECTION_END
+DRI_CONF_END
+};
+
+#include "intel_batchbuffer.h"
+#include "intel_buffers.h"
+#include "intel_bufmgr.h"
+#include "intel_chipset.h"
+#include "intel_fbo.h"
+#include "intel_mipmap_tree.h"
+#include "intel_screen.h"
+#include "intel_tex.h"
+#include "intel_regions.h"
+
+#include "drm-uapi/i915_drm.h"
+
+/**
+ * For debugging purposes, this returns a time in seconds.
+ */
+double
+get_time(void)
+{
+ struct timespec tp;
+
+ clock_gettime(CLOCK_MONOTONIC, &tp);
+
+ return tp.tv_sec + tp.tv_nsec / 1000000000.0;
+}
+
+void
+aub_dump_bmp(struct gl_context *ctx)
+{
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+
+ for (int i = 0; i < fb->_NumColorDrawBuffers; i++) {
+ struct intel_renderbuffer *irb =
+ intel_renderbuffer(fb->_ColorDrawBuffers[i]);
+
+ if (irb && irb->mt) {
+ enum aub_dump_bmp_format format;
+
+ switch (irb->Base.Base.Format) {
+ case MESA_FORMAT_B8G8R8A8_UNORM:
+ case MESA_FORMAT_B8G8R8X8_UNORM:
+ format = AUB_DUMP_BMP_FORMAT_ARGB_8888;
+ break;
+ default:
+ continue;
+ }
+
+ assert(irb->mt->region->pitch % irb->mt->region->cpp == 0);
+ drm_intel_gem_bo_aub_dump_bmp(irb->mt->region->bo,
+ irb->draw_x,
+ irb->draw_y,
+ irb->Base.Base.Width,
+ irb->Base.Base.Height,
+ format,
+ irb->mt->region->pitch,
+ 0);
+ }
+ }
+}
+
+static const __DRItexBufferExtension intelTexBufferExtension = {
+ .base = { __DRI_TEX_BUFFER, 3 },
+
+ .setTexBuffer = intelSetTexBuffer,
+ .setTexBuffer2 = intelSetTexBuffer2,
+ .releaseTexBuffer = NULL,
+};
+
+static void
+intelDRI2Flush(__DRIdrawable *drawable)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct intel_context *intel = intel_context(ctx);
+ if (intel == NULL)
+ return;
+
+ INTEL_FIREVERTICES(intel);
+
+ intel->need_throttle = true;
+
+ if (intel->batch.used)
+ intel_batchbuffer_flush(intel);
+
+ if (INTEL_DEBUG & DEBUG_AUB) {
+ aub_dump_bmp(ctx);
+ }
+}
+
+static const struct __DRI2flushExtensionRec intelFlushExtension = {
+ .base = { __DRI2_FLUSH, 3 },
+
+ .flush = intelDRI2Flush,
+ .invalidate = dri2InvalidateDrawable,
+};
+
+static struct intel_image_format intel_image_formats[] = {
+ { DRM_FORMAT_ARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } },
+
+ { __DRI_IMAGE_FOURCC_SARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_SARGB8, 4 } } },
+
+ { DRM_FORMAT_XRGB8888, __DRI_IMAGE_COMPONENTS_RGB, 1,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_XRGB8888, 4 }, } },
+
+ { DRM_FORMAT_YUV410, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { DRM_FORMAT_YUV411, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { DRM_FORMAT_YUV420, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { DRM_FORMAT_YUV422, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { DRM_FORMAT_YUV444, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { DRM_FORMAT_NV12, __DRI_IMAGE_COMPONENTS_Y_UV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 1, __DRI_IMAGE_FORMAT_GR88, 2 } } },
+
+ { DRM_FORMAT_NV16, __DRI_IMAGE_COMPONENTS_Y_UV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 0, __DRI_IMAGE_FORMAT_GR88, 2 } } },
+
+ /* For YUYV and UYVY buffers, we set up two overlapping DRI images
+ * and treat them as planar buffers in the compositors.
+ * Plane 0 is GR88 and samples YU or YV pairs and places Y into
+ * the R component, while plane 1 is ARGB/ABGR and samples YUYV/UYVY
+ * clusters and places pairs and places U into the G component and
+ * V into A. This lets the texture sampler interpolate the Y
+ * components correctly when sampling from plane 0, and interpolate
+ * U and V correctly when sampling from plane 1. */
+ { DRM_FORMAT_YUYV, __DRI_IMAGE_COMPONENTS_Y_XUXV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 },
+ { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } },
+ { DRM_FORMAT_UYVY, __DRI_IMAGE_COMPONENTS_Y_UXVX, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 },
+ { 0, 1, 0, __DRI_IMAGE_FORMAT_ABGR8888, 4 } } }
+};
+
+static __DRIimage *
+intel_allocate_image(int dri_format, void *loaderPrivate)
+{
+ __DRIimage *image;
+
+ image = calloc(1, sizeof *image);
+ if (image == NULL)
+ return NULL;
+
+ image->dri_format = dri_format;
+ image->offset = 0;
+
+ image->format = driImageFormatToGLFormat(dri_format);
+ if (dri_format != __DRI_IMAGE_FORMAT_NONE &&
+ image->format == MESA_FORMAT_NONE) {
+ free(image);
+ return NULL;
+ }
+
+ image->internal_format = _mesa_get_format_base_format(image->format);
+ image->data = loaderPrivate;
+
+ return image;
+}
+
+/**
+ * Sets up a DRIImage structure to point to our shared image in a region
+ */
+static void
+intel_setup_image_from_mipmap_tree(struct intel_context *intel, __DRIimage *image,
+ struct intel_mipmap_tree *mt, GLuint level,
+ GLuint zoffset)
+{
+ unsigned int draw_x, draw_y;
+ uint32_t mask_x, mask_y;
+
+ intel_miptree_check_level_layer(mt, level, zoffset);
+
+ intel_region_get_tile_masks(mt->region, &mask_x, &mask_y);
+ intel_miptree_get_image_offset(mt, level, zoffset, &draw_x, &draw_y);
+
+ image->width = mt->level[level].width;
+ image->height = mt->level[level].height;
+ image->tile_x = draw_x & mask_x;
+ image->tile_y = draw_y & mask_y;
+
+ image->offset = intel_region_get_aligned_offset(mt->region,
+ draw_x & ~mask_x,
+ draw_y & ~mask_y);
+
+ intel_region_reference(&image->region, mt->region);
+}
+
+static void
+intel_setup_image_from_dimensions(__DRIimage *image)
+{
+ image->width = image->region->width;
+ image->height = image->region->height;
+ image->tile_x = 0;
+ image->tile_y = 0;
+}
+
+static __DRIimage *
+intel_create_image_from_name(__DRIscreen *screen,
+ int width, int height, int format,
+ int name, int pitch, void *loaderPrivate)
+{
+ struct intel_screen *intelScreen = screen->driverPrivate;
+ __DRIimage *image;
+ int cpp;
+
+ image = intel_allocate_image(format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
+ if (image->format == MESA_FORMAT_NONE)
+ cpp = 1;
+ else
+ cpp = _mesa_get_format_bytes(image->format);
+ image->region = intel_region_alloc_for_handle(intelScreen,
+ cpp, width, height,
+ pitch * cpp, name, "image");
+ if (image->region == NULL) {
+ free(image);
+ return NULL;
+ }
+
+ intel_setup_image_from_dimensions(image);
+
+ return image;
+}
+
+static __DRIimage *
+intel_create_image_from_renderbuffer(__DRIcontext *context,
+ int renderbuffer, void *loaderPrivate)
+{
+ __DRIimage *image;
+ struct intel_context *intel = context->driverPrivate;
+ struct gl_renderbuffer *rb;
+ struct intel_renderbuffer *irb;
+
+ rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer);
+ if (!rb) {
+ _mesa_error(&intel->ctx,
+ GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
+ return NULL;
+ }
+
+ irb = intel_renderbuffer(rb);
+ image = calloc(1, sizeof *image);
+ if (image == NULL)
+ return NULL;
+
+ image->internal_format = rb->InternalFormat;
+ image->format = rb->Format;
+ image->offset = 0;
+ image->data = loaderPrivate;
+ intel_region_reference(&image->region, irb->mt->region);
+ intel_setup_image_from_dimensions(image);
+ image->dri_format = driGLFormatToImageFormat(image->format);
+
+ rb->NeedsFinishRenderTexture = true;
+ return image;
+}
+
+static __DRIimage *
+intel_create_image_from_texture(__DRIcontext *context, int target,
+ unsigned texture, int zoffset,
+ int level,
+ unsigned *error,
+ void *loaderPrivate)
+{
+ __DRIimage *image;
+ struct intel_context *intel = context->driverPrivate;
+ struct gl_texture_object *obj;
+ struct intel_texture_object *iobj;
+ GLuint face = 0;
+
+ obj = _mesa_lookup_texture(&intel->ctx, texture);
+ if (!obj || obj->Target != target) {
+ *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+ return NULL;
+ }
+
+ if (target == GL_TEXTURE_CUBE_MAP)
+ face = zoffset;
+
+ _mesa_test_texobj_completeness(&intel->ctx, obj);
+ iobj = intel_texture_object(obj);
+ if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
+ *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+ return NULL;
+ }
+
+ if (level < obj->BaseLevel || level > obj->_MaxLevel) {
+ *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+ return NULL;
+ }
+
+ if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < zoffset) {
+ *error = __DRI_IMAGE_ERROR_BAD_MATCH;
+ return NULL;
+ }
+ image = calloc(1, sizeof *image);
+ if (image == NULL) {
+ *error = __DRI_IMAGE_ERROR_BAD_ALLOC;
+ return NULL;
+ }
+
+ image->internal_format = obj->Image[face][level]->InternalFormat;
+ image->format = obj->Image[face][level]->TexFormat;
+ image->data = loaderPrivate;
+ intel_setup_image_from_mipmap_tree(intel, image, iobj->mt, level, zoffset);
+ image->dri_format = driGLFormatToImageFormat(image->format);
+ if (image->dri_format == __DRI_IMAGE_FORMAT_NONE) {
+ *error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
+ free(image);
+ return NULL;
+ }
+
+ *error = __DRI_IMAGE_ERROR_SUCCESS;
+ return image;
+}
+
+static void
+intel_destroy_image(__DRIimage *image)
+{
+ intel_region_release(&image->region);
+ free(image);
+}
+
+static __DRIimage *
+intel_create_image(__DRIscreen *screen,
+ int width, int height, int format,
+ unsigned int use,
+ void *loaderPrivate)
+{
+ __DRIimage *image;
+ struct intel_screen *intelScreen = screen->driverPrivate;
+ uint32_t tiling;
+ int cpp;
+
+ tiling = I915_TILING_X;
+ if (use & __DRI_IMAGE_USE_CURSOR) {
+ if (width != 64 || height != 64)
+ return NULL;
+ tiling = I915_TILING_NONE;
+ }
+
+ if (use & __DRI_IMAGE_USE_LINEAR)
+ tiling = I915_TILING_NONE;
+
+ image = intel_allocate_image(format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
+ cpp = _mesa_get_format_bytes(image->format);
+ image->region =
+ intel_region_alloc(intelScreen, tiling, cpp, width, height, true);
+ if (image->region == NULL) {
+ free(image);
+ return NULL;
+ }
+
+ intel_setup_image_from_dimensions(image);
+
+ return image;
+}
+
+static GLboolean
+intel_query_image(__DRIimage *image, int attrib, int *value)
+{
+ switch (attrib) {
+ case __DRI_IMAGE_ATTRIB_STRIDE:
+ *value = image->region->pitch;
+ return true;
+ case __DRI_IMAGE_ATTRIB_HANDLE:
+ *value = image->region->bo->handle;
+ return true;
+ case __DRI_IMAGE_ATTRIB_NAME:
+ return intel_region_flink(image->region, (uint32_t *) value);
+ case __DRI_IMAGE_ATTRIB_FORMAT:
+ *value = image->dri_format;
+ return true;
+ case __DRI_IMAGE_ATTRIB_WIDTH:
+ *value = image->region->width;
+ return true;
+ case __DRI_IMAGE_ATTRIB_HEIGHT:
+ *value = image->region->height;
+ return true;
+ case __DRI_IMAGE_ATTRIB_COMPONENTS:
+ if (image->planar_format == NULL)
+ return false;
+ *value = image->planar_format->components;
+ return true;
+ case __DRI_IMAGE_ATTRIB_FD:
+ return !drm_intel_bo_gem_export_to_prime(image->region->bo, value);
+ default:
+ return false;
+ }
+}
+
+static __DRIimage *
+intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
+{
+ __DRIimage *image;
+
+ image = calloc(1, sizeof *image);
+ if (image == NULL)
+ return NULL;
+
+ intel_region_reference(&image->region, orig_image->region);
+ if (image->region == NULL) {
+ free(image);
+ return NULL;
+ }
+
+ image->internal_format = orig_image->internal_format;
+ image->planar_format = orig_image->planar_format;
+ image->dri_format = orig_image->dri_format;
+ image->format = orig_image->format;
+ image->offset = orig_image->offset;
+ image->width = orig_image->width;
+ image->height = orig_image->height;
+ image->tile_x = orig_image->tile_x;
+ image->tile_y = orig_image->tile_y;
+ image->data = loaderPrivate;
+
+ memcpy(image->strides, orig_image->strides, sizeof(image->strides));
+ memcpy(image->offsets, orig_image->offsets, sizeof(image->offsets));
+
+ return image;
+}
+
+static GLboolean
+intel_validate_usage(__DRIimage *image, unsigned int use)
+{
+ if (use & __DRI_IMAGE_USE_CURSOR) {
+ if (image->region->width != 64 || image->region->height != 64)
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+static __DRIimage *
+intel_create_image_from_names(__DRIscreen *screen,
+ int width, int height, int fourcc,
+ int *names, int num_names,
+ int *strides, int *offsets,
+ void *loaderPrivate)
+{
+ struct intel_image_format *f = NULL;
+ __DRIimage *image;
+ int i, index;
+
+ if (screen == NULL || names == NULL || num_names != 1)
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
+ if (intel_image_formats[i].fourcc == fourcc) {
+ f = &intel_image_formats[i];
+ }
+ }
+
+ if (f == NULL)
+ return NULL;
+
+ image = intel_create_image_from_name(screen, width, height,
+ __DRI_IMAGE_FORMAT_NONE,
+ names[0], strides[0],
+ loaderPrivate);
+
+ if (image == NULL)
+ return NULL;
+
+ image->planar_format = f;
+ for (i = 0; i < f->nplanes; i++) {
+ index = f->planes[i].buffer_index;
+ image->offsets[index] = offsets[index];
+ image->strides[index] = strides[index];
+ }
+
+ return image;
+}
+
+static __DRIimage *
+intel_create_image_from_fds(__DRIscreen *screen,
+ int width, int height, int fourcc,
+ int *fds, int num_fds, int *strides, int *offsets,
+ void *loaderPrivate)
+{
+ struct intel_screen *intelScreen = screen->driverPrivate;
+ struct intel_image_format *f = NULL;
+ __DRIimage *image;
+ int i, index;
+
+ if (fds == NULL || num_fds != 1)
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
+ if (intel_image_formats[i].fourcc == fourcc) {
+ f = &intel_image_formats[i];
+ }
+ }
+
+ if (f == NULL)
+ return NULL;
+
+ image = intel_allocate_image(__DRI_IMAGE_FORMAT_NONE, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
+ image->region = intel_region_alloc_for_fd(intelScreen,
+ f->planes[0].cpp, width, height, strides[0],
+ height * strides[0], fds[0], "image");
+ if (image->region == NULL) {
+ free(image);
+ return NULL;
+ }
+
+ intel_setup_image_from_dimensions(image);
+
+ image->planar_format = f;
+ for (i = 0; i < f->nplanes; i++) {
+ index = f->planes[i].buffer_index;
+ image->offsets[index] = offsets[index];
+ image->strides[index] = strides[index];
+ }
+
+ return image;
+}
+
+
+static __DRIimage *
+intel_from_planar(__DRIimage *parent, int plane, void *loaderPrivate)
+{
+ int width, height, offset, stride, dri_format, index;
+ struct intel_image_format *f;
+ uint32_t mask_x, mask_y;
+ __DRIimage *image;
+
+ if (parent == NULL || parent->planar_format == NULL)
+ return NULL;
+
+ f = parent->planar_format;
+
+ if (plane >= f->nplanes)
+ return NULL;
+
+ width = parent->region->width >> f->planes[plane].width_shift;
+ height = parent->region->height >> f->planes[plane].height_shift;
+ dri_format = f->planes[plane].dri_format;
+ index = f->planes[plane].buffer_index;
+ offset = parent->offsets[index];
+ stride = parent->strides[index];
+
+ image = intel_allocate_image(dri_format, loaderPrivate);
+ if (image == NULL)
+ return NULL;
+
+ if (offset + height * stride > parent->region->bo->size) {
+ _mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds");
+ free(image);
+ return NULL;
+ }
+
+ image->region = calloc(sizeof(*image->region), 1);
+ if (image->region == NULL) {
+ free(image);
+ return NULL;
+ }
+
+ image->region->cpp = _mesa_get_format_bytes(image->format);
+ image->region->width = width;
+ image->region->height = height;
+ image->region->pitch = stride;
+ image->region->refcount = 1;
+ image->region->bo = parent->region->bo;
+ drm_intel_bo_reference(image->region->bo);
+ image->region->tiling = parent->region->tiling;
+ image->offset = offset;
+ intel_setup_image_from_dimensions(image);
+
+ intel_region_get_tile_masks(image->region, &mask_x, &mask_y);
+ if (offset & mask_x)
+ _mesa_warning(NULL,
+ "intel_create_sub_image: offset not on tile boundary");
+
+ return image;
+}
+
+static const __DRIimageExtension intelImageExtension = {
+ .base = { __DRI_IMAGE, 7 },
+
+ .createImageFromName = intel_create_image_from_name,
+ .createImageFromRenderbuffer = intel_create_image_from_renderbuffer,
+ .destroyImage = intel_destroy_image,
+ .createImage = intel_create_image,
+ .queryImage = intel_query_image,
+ .dupImage = intel_dup_image,
+ .validateUsage = intel_validate_usage,
+ .createImageFromNames = intel_create_image_from_names,
+ .fromPlanar = intel_from_planar,
+ .createImageFromTexture = intel_create_image_from_texture,
+ .createImageFromFds = intel_create_image_from_fds
+};
+
+static int
+i915_query_renderer_integer(__DRIscreen *psp, int param, unsigned int *value)
+{
+ const struct intel_screen *const intelScreen =
+ (struct intel_screen *) psp->driverPrivate;
+
+ switch (param) {
+ case __DRI2_RENDERER_VENDOR_ID:
+ value[0] = 0x8086;
+ return 0;
+ case __DRI2_RENDERER_DEVICE_ID:
+ value[0] = intelScreen->deviceID;
+ return 0;
+ case __DRI2_RENDERER_ACCELERATED:
+ value[0] = 1;
+ return 0;
+ case __DRI2_RENDERER_VIDEO_MEMORY: {
+ /* Once a batch uses more than 75% of the maximum mappable size, we
+ * assume that there's some fragmentation, and we start doing extra
+ * flushing, etc. That's the big cliff apps will care about.
+ */
+ size_t aper_size;
+ size_t mappable_size;
+
+ drm_intel_get_aperture_sizes(psp->fd, &mappable_size, &aper_size);
+
+ const unsigned gpu_mappable_megabytes =
+ (aper_size / (1024 * 1024)) * 3 / 4;
+
+ const long system_memory_pages = sysconf(_SC_PHYS_PAGES);
+ const long system_page_size = sysconf(_SC_PAGE_SIZE);
+
+ if (system_memory_pages <= 0 || system_page_size <= 0)
+ return -1;
+
+ const uint64_t system_memory_bytes = (uint64_t) system_memory_pages
+ * (uint64_t) system_page_size;
+
+ const unsigned system_memory_megabytes =
+ (unsigned) (system_memory_bytes / (1024 * 1024));
+
+ value[0] = MIN2(system_memory_megabytes, gpu_mappable_megabytes);
+ return 0;
+ }
+ case __DRI2_RENDERER_UNIFIED_MEMORY_ARCHITECTURE:
+ value[0] = 1;
+ return 0;
+ case __DRI2_RENDERER_HAS_TEXTURE_3D:
+ value[0] = 1;
+ return 0;
+ default:
+ return driQueryRendererIntegerCommon(psp, param, value);
+ }
+
+ return -1;
+}
+
+static int
+i915_query_renderer_string(__DRIscreen *psp, int param, const char **value)
+{
+ const struct intel_screen *intelScreen =
+ (struct intel_screen *) psp->driverPrivate;
+
+ switch (param) {
+ case __DRI2_RENDERER_VENDOR_ID:
+ value[0] = i915_vendor_string;
+ return 0;
+ case __DRI2_RENDERER_DEVICE_ID:
+ value[0] = i915_get_renderer_string(intelScreen->deviceID);
+ return 0;
+ default:
+ break;
+ }
+
+ return -1;
+}
+
+static const __DRI2rendererQueryExtension intelRendererQueryExtension = {
+ .base = { __DRI2_RENDERER_QUERY, 1 },
+
+ .queryInteger = i915_query_renderer_integer,
+ .queryString = i915_query_renderer_string
+};
+
+static const __DRIextension *intelScreenExtensions[] = {
+ &intelTexBufferExtension.base,
+ &intelFenceExtension.base,
+ &intelFlushExtension.base,
+ &intelImageExtension.base,
+ &intelRendererQueryExtension.base,
+ &dri2ConfigQueryExtension.base,
+ &dri2NoErrorExtension.base,
+ NULL
+};
+
+static bool
+intel_get_param(__DRIscreen *psp, int param, int *value)
+{
+ int ret;
+ struct drm_i915_getparam gp;
+
+ memset(&gp, 0, sizeof(gp));
+ gp.param = param;
+ gp.value = value;
+
+ ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
+ if (ret) {
+ if (ret != -EINVAL)
+ _mesa_warning(NULL, "drm_i915_getparam: %d", ret);
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+intel_get_boolean(__DRIscreen *psp, int param)
+{
+ int value = 0;
+ return intel_get_param(psp, param, &value) && value;
+}
+
+static void
+intelDestroyScreen(__DRIscreen * sPriv)
+{
+ struct intel_screen *intelScreen = sPriv->driverPrivate;
+
+ dri_bufmgr_destroy(intelScreen->bufmgr);
+ driDestroyOptionInfo(&intelScreen->optionCache);
+
+ free(intelScreen);
+ sPriv->driverPrivate = NULL;
+}
+
+
+/**
+ * This is called when we need to set up GL rendering to a new X window.
+ */
+static GLboolean
+intelCreateBuffer(__DRIscreen * driScrnPriv,
+ __DRIdrawable * driDrawPriv,
+ const struct gl_config * mesaVis, GLboolean isPixmap)
+{
+ struct intel_renderbuffer *rb;
+ mesa_format rgbFormat;
+ struct gl_framebuffer *fb;
+
+ if (isPixmap)
+ return false;
+
+ fb = CALLOC_STRUCT(gl_framebuffer);
+ if (!fb)
+ return false;
+
+ _mesa_initialize_window_framebuffer(fb, mesaVis);
+
+ if (mesaVis->redBits == 5)
+ rgbFormat = MESA_FORMAT_B5G6R5_UNORM;
+ else if (mesaVis->sRGBCapable)
+ rgbFormat = MESA_FORMAT_B8G8R8A8_SRGB;
+ else if (mesaVis->alphaBits == 0)
+ rgbFormat = MESA_FORMAT_B8G8R8X8_UNORM;
+ else
+ rgbFormat = MESA_FORMAT_B8G8R8A8_UNORM;
+
+ /* setup the hardware-based renderbuffers */
+ rb = intel_create_renderbuffer(rgbFormat);
+ _mesa_attach_and_own_rb(fb, BUFFER_FRONT_LEFT, &rb->Base.Base);
+
+ if (mesaVis->doubleBufferMode) {
+ rb = intel_create_renderbuffer(rgbFormat);
+ _mesa_attach_and_own_rb(fb, BUFFER_BACK_LEFT, &rb->Base.Base);
+ }
+
+ /*
+ * Assert here that the gl_config has an expected depth/stencil bit
+ * combination: one of d24/s8, d16/s0, d0/s0. (See intelInitScreen2(),
+ * which constructs the advertised configs.)
+ */
+ if (mesaVis->depthBits == 24) {
+ assert(mesaVis->stencilBits == 8);
+
+ /*
+ * Use combined depth/stencil. Note that the renderbuffer is
+ * attached to two attachment points.
+ */
+ rb = intel_create_private_renderbuffer(MESA_FORMAT_Z24_UNORM_S8_UINT);
+ _mesa_attach_and_own_rb(fb, BUFFER_DEPTH, &rb->Base.Base);
+ _mesa_attach_and_reference_rb(fb, BUFFER_STENCIL, &rb->Base.Base);
+ }
+ else if (mesaVis->depthBits == 16) {
+ assert(mesaVis->stencilBits == 0);
+ rb = intel_create_private_renderbuffer(MESA_FORMAT_Z_UNORM16);
+ _mesa_attach_and_own_rb(fb, BUFFER_DEPTH, &rb->Base.Base);
+ }
+ else {
+ assert(mesaVis->depthBits == 0);
+ assert(mesaVis->stencilBits == 0);
+ }
+
+ /* now add any/all software-based renderbuffers we may need */
+ _swrast_add_soft_renderbuffers(fb,
+ false, /* never sw color */
+ false, /* never sw depth */
+ false, /* never sw stencil */
+ mesaVis->accumRedBits > 0,
+ false, /* never sw alpha */
+ false /* never sw aux */ );
+ driDrawPriv->driverPrivate = fb;
+
+ return true;
+}
+
+static void
+intelDestroyBuffer(__DRIdrawable * driDrawPriv)
+{
+ struct gl_framebuffer *fb = driDrawPriv->driverPrivate;
+
+ _mesa_reference_framebuffer(&fb, NULL);
+}
+
+/* There are probably better ways to do this, such as an
+ * init-designated function to register chipids and createcontext
+ * functions.
+ */
+extern bool
+i830CreateContext(int api,
+ const struct gl_config *mesaVis,
+ __DRIcontext *driContextPriv,
+ unsigned major_version,
+ unsigned minor_version,
+ uint32_t flags,
+ unsigned *error,
+ void *sharedContextPrivate);
+
+extern bool
+i915CreateContext(int api,
+ const struct gl_config *mesaVis,
+ __DRIcontext *driContextPriv,
+ unsigned major_version,
+ unsigned minor_version,
+ uint32_t flags,
+ unsigned *error,
+ void *sharedContextPrivate);
+
+static GLboolean
+intelCreateContext(gl_api api,
+ const struct gl_config * mesaVis,
+ __DRIcontext * driContextPriv,
+ const struct __DriverContextConfig *ctx_config,
+ unsigned *error,
+ void *sharedContextPrivate)
+{
+ bool success = false;
+
+ __DRIscreen *sPriv = driContextPriv->driScreenPriv;
+ struct intel_screen *intelScreen = sPriv->driverPrivate;
+
+ if (ctx_config->flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_NO_ERROR)) {
+ *error = __DRI_CTX_ERROR_UNKNOWN_FLAG;
+ return false;
+ }
+
+ if (ctx_config->attribute_mask) {
+ *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE;
+ return false;
+ }
+
+ if (IS_GEN3(intelScreen->deviceID)) {
+ success = i915CreateContext(api, mesaVis, driContextPriv,
+ ctx_config->major_version,
+ ctx_config->minor_version,
+ ctx_config->flags,
+ error, sharedContextPrivate);
+ } else {
+ intelScreen->no_vbo = true;
+ success = i830CreateContext(api, mesaVis, driContextPriv,
+ ctx_config->major_version,
+ ctx_config->minor_version,
+ ctx_config->flags,
+ error, sharedContextPrivate);
+ }
+
+ if (success)
+ return true;
+
+ if (driContextPriv->driverPrivate != NULL)
+ intelDestroyContext(driContextPriv);
+
+ return false;
+}
+
+static bool
+intel_init_bufmgr(struct intel_screen *intelScreen)
+{
+ __DRIscreen *spriv = intelScreen->driScrnPriv;
+
+ intelScreen->no_hw = getenv("INTEL_NO_HW") != NULL;
+
+ intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ);
+ if (intelScreen->bufmgr == NULL) {
+ fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
+ __func__, __LINE__);
+ return false;
+ }
+
+ drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
+
+ if (!intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA)) {
+ fprintf(stderr, "[%s: %u] Kernel 2.6.39 required.\n", __func__, __LINE__);
+ return false;
+ }
+
+ return true;
+}
+
+static __DRIconfig**
+intel_screen_make_configs(__DRIscreen *dri_screen)
+{
+ static const mesa_format formats[] = {
+ MESA_FORMAT_B5G6R5_UNORM,
+ MESA_FORMAT_B8G8R8A8_UNORM,
+ MESA_FORMAT_B8G8R8X8_UNORM
+ };
+
+ /* __DRI_ATTRIB_SWAP_COPY is not supported due to page flipping. */
+ static const GLenum back_buffer_modes[] = {
+ __DRI_ATTRIB_SWAP_UNDEFINED, __DRI_ATTRIB_SWAP_NONE
+ };
+
+ static const uint8_t singlesample_samples[1] = {0};
+
+ uint8_t depth_bits[4], stencil_bits[4];
+ __DRIconfig **configs = NULL;
+
+ /* Generate singlesample configs without accumulation buffer. */
+ for (int i = 0; i < ARRAY_SIZE(formats); i++) {
+ __DRIconfig **new_configs;
+ int num_depth_stencil_bits = 2;
+
+ /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil
+ * buffer that has a different number of bits per pixel than the color
+ * buffer.
+ */
+ depth_bits[0] = 0;
+ stencil_bits[0] = 0;
+
+ if (formats[i] == MESA_FORMAT_B5G6R5_UNORM) {
+ depth_bits[1] = 16;
+ stencil_bits[1] = 0;
+ } else {
+ depth_bits[1] = 24;
+ stencil_bits[1] = 8;
+ }
+
+ new_configs = driCreateConfigs(formats[i],
+ depth_bits,
+ stencil_bits,
+ num_depth_stencil_bits,
+ back_buffer_modes, 2,
+ singlesample_samples, 1,
+ false, false, false);
+ configs = driConcatConfigs(configs, new_configs);
+ }
+
+ /* Generate the minimum possible set of configs that include an
+ * accumulation buffer.
+ */
+ for (int i = 0; i < ARRAY_SIZE(formats); i++) {
+ __DRIconfig **new_configs;
+
+ if (formats[i] == MESA_FORMAT_B5G6R5_UNORM) {
+ depth_bits[0] = 16;
+ stencil_bits[0] = 0;
+ } else {
+ depth_bits[0] = 24;
+ stencil_bits[0] = 8;
+ }
+
+ new_configs = driCreateConfigs(formats[i],
+ depth_bits, stencil_bits, 1,
+ back_buffer_modes, 1,
+ singlesample_samples, 1,
+ true, false, false);
+ configs = driConcatConfigs(configs, new_configs);
+ }
+
+ if (configs == NULL) {
+ fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
+ __LINE__);
+ return NULL;
+ }
+
+ return configs;
+}
+
+static void
+set_max_gl_versions(struct intel_screen *screen)
+{
+ __DRIscreen *psp = screen->driScrnPriv;
+
+ switch (screen->gen) {
+ case 3: {
+ bool has_fragment_shader = driQueryOptionb(&screen->optionCache, "fragment_shader");
+ bool has_occlusion_query = driQueryOptionb(&screen->optionCache, "stub_occlusion_query");
+
+ psp->max_gl_core_version = 0;
+ psp->max_gl_es1_version = 11;
+ psp->max_gl_es2_version = 20;
+
+ if (has_fragment_shader && has_occlusion_query) {
+ psp->max_gl_compat_version = 21;
+ } else {
+ psp->max_gl_compat_version = 14;
+ }
+ break;
+ }
+ case 2:
+ psp->max_gl_core_version = 0;
+ psp->max_gl_compat_version = 13;
+ psp->max_gl_es1_version = 11;
+ psp->max_gl_es2_version = 0;
+ break;
+ default:
+ assert(!"unrecognized intel_screen::gen");
+ break;
+ }
+}
+
+/**
+ * This is the driver specific part of the createNewScreen entry point.
+ * Called when using DRI2.
+ *
+ * \return the struct gl_config supported by this driver
+ */
+static const
+__DRIconfig **intelInitScreen2(__DRIscreen *psp)
+{
+ struct intel_screen *intelScreen;
+
+ if (psp->image.loader) {
+ } else if (psp->dri2.loader->base.version <= 2 ||
+ psp->dri2.loader->getBuffersWithFormat == NULL) {
+ fprintf(stderr,
+ "\nERROR! DRI2 loader with getBuffersWithFormat() "
+ "support required\n");
+ return false;
+ }
+
+ /* Allocate the private area */
+ intelScreen = calloc(1, sizeof *intelScreen);
+ if (!intelScreen) {
+ fprintf(stderr, "\nERROR! Allocating private area failed\n");
+ return false;
+ }
+ /* parse information in __driConfigOptions */
+ driParseOptionInfo(&intelScreen->optionCache, i915_config_options.xml);
+
+ intelScreen->driScrnPriv = psp;
+ psp->driverPrivate = (void *) intelScreen;
+
+ if (!intel_init_bufmgr(intelScreen))
+ return false;
+
+ intelScreen->deviceID = drm_intel_bufmgr_gem_get_devid(intelScreen->bufmgr);
+
+ if (IS_GEN3(intelScreen->deviceID)) {
+ intelScreen->gen = 3;
+ } else {
+ intelScreen->gen = 2;
+ }
+
+ set_max_gl_versions(intelScreen);
+
+ psp->extensions = intelScreenExtensions;
+
+ return (const __DRIconfig**) intel_screen_make_configs(psp);
+}
+
+struct intel_buffer {
+ __DRIbuffer base;
+ struct intel_region *region;
+};
+
+static __DRIbuffer *
+intelAllocateBuffer(__DRIscreen *screen,
+ unsigned attachment, unsigned format,
+ int width, int height)
+{
+ struct intel_buffer *intelBuffer;
+ struct intel_screen *intelScreen = screen->driverPrivate;
+
+ assert(attachment == __DRI_BUFFER_FRONT_LEFT ||
+ attachment == __DRI_BUFFER_BACK_LEFT);
+
+ intelBuffer = calloc(1, sizeof *intelBuffer);
+ if (intelBuffer == NULL)
+ return NULL;
+
+ /* The front and back buffers are color buffers, which are X tiled. */
+ intelBuffer->region = intel_region_alloc(intelScreen,
+ I915_TILING_X,
+ format / 8,
+ width,
+ height,
+ true);
+
+ if (intelBuffer->region == NULL) {
+ free(intelBuffer);
+ return NULL;
+ }
+
+ intel_region_flink(intelBuffer->region, &intelBuffer->base.name);
+
+ intelBuffer->base.attachment = attachment;
+ intelBuffer->base.cpp = intelBuffer->region->cpp;
+ intelBuffer->base.pitch = intelBuffer->region->pitch;
+
+ return &intelBuffer->base;
+}
+
+static void
+intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
+{
+ struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer;
+
+ intel_region_release(&intelBuffer->region);
+ free(intelBuffer);
+}
+
+
+static const struct __DriverAPIRec i915_driver_api = {
+ .InitScreen = intelInitScreen2,
+ .DestroyScreen = intelDestroyScreen,
+ .CreateContext = intelCreateContext,
+ .DestroyContext = intelDestroyContext,
+ .CreateBuffer = intelCreateBuffer,
+ .DestroyBuffer = intelDestroyBuffer,
+ .MakeCurrent = intelMakeCurrent,
+ .UnbindContext = intelUnbindContext,
+ .AllocateBuffer = intelAllocateBuffer,
+ .ReleaseBuffer = intelReleaseBuffer
+};
+
+static const struct __DRIDriverVtableExtensionRec i915_vtable = {
+ .base = { __DRI_DRIVER_VTABLE, 1 },
+ .vtable = &i915_driver_api,
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+static const __DRIextension *i915_driver_extensions[] = {
+ &driCoreExtension.base,
+ &driImageDriverExtension.base,
+ &driDRI2Extension.base,
+ &i915_vtable.base,
+ &i915_config_options.base,
+ NULL
+};
+
+PUBLIC const __DRIextension **__driDriverGetExtensions_i915(void)
+{
+ globalDriverAPI = &i915_driver_api;
+
+ return i915_driver_extensions;
+}
projects / mesa.git / blobdiff