/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * 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 "glheader.h"
-#include "context.h"
-#include "matrix.h"
-#include "simple_list.h"
-#include "extensions.h"
-#include "framebuffer.h"
-#include "imports.h"
-#include "points.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/extensions.h"
+#include "main/fbobject.h"
+#include "main/framebuffer.h"
+#include "main/imports.h"
+#include "main/points.h"
+#include "main/renderbuffer.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
-
-#include "tnl/t_pipeline.h"
-#include "tnl/t_vertex.h"
-
#include "drivers/common/driverfuncs.h"
+#include "drivers/common/meta.h"
-#include "intel_screen.h"
-
-#include "i830_dri.h"
-
+#include "intel_chipset.h"
#include "intel_buffers.h"
#include "intel_tex.h"
-#include "intel_span.h"
-#include "intel_tris.h"
-#include "intel_ioctl.h"
#include "intel_batchbuffer.h"
-#include "intel_blit.h"
+#include "intel_clear.h"
+#include "intel_extensions.h"
#include "intel_pixel.h"
#include "intel_regions.h"
#include "intel_buffer_objects.h"
#include "intel_fbo.h"
-#include "intel_decode.h"
-#include "intel_bufmgr_ttm.h"
+#include "intel_bufmgr.h"
+#include "intel_screen.h"
+#include "intel_mipmap_tree.h"
-#include "drirenderbuffer.h"
-#include "vblank.h"
#include "utils.h"
-#include "xmlpool.h" /* for symbolic values of enum-type options */
-#ifndef INTEL_DEBUG
-int INTEL_DEBUG = (0);
-#endif
+#include "util/debug.h"
+#include "util/ralloc.h"
-#define need_GL_ARB_multisample
-#define need_GL_ARB_point_parameters
-#define need_GL_ARB_texture_compression
-#define need_GL_ARB_vertex_buffer_object
-#define need_GL_ARB_vertex_program
-#define need_GL_ARB_window_pos
-#define need_GL_EXT_blend_color
-#define need_GL_EXT_blend_equation_separate
-#define need_GL_EXT_blend_func_separate
-#define need_GL_EXT_blend_minmax
-#define need_GL_EXT_cull_vertex
-#define need_GL_EXT_fog_coord
-#define need_GL_EXT_framebuffer_object
-#define need_GL_EXT_multi_draw_arrays
-#define need_GL_EXT_secondary_color
-#define need_GL_NV_vertex_program
-#include "extension_helper.h"
+int INTEL_DEBUG = (0);
+const char *const i915_vendor_string = "Intel Open Source Technology Center";
-#define DRIVER_DATE "20061102"
+const char *
+i915_get_renderer_string(unsigned deviceID)
+{
+ const char *chipset;
+ static char buffer[128];
-_glthread_Mutex lockMutex;
-static GLboolean lockMutexInit = GL_FALSE;
+ switch (deviceID) {
+#undef CHIPSET
+#define CHIPSET(id, symbol, str) case id: chipset = str; break;
+#include "pci_ids/i915_pci_ids.h"
+ default:
+ chipset = "Unknown Intel Chipset";
+ break;
+ }
+ (void) driGetRendererString(buffer, chipset, 0);
+ return buffer;
+}
static const GLubyte *
-intelGetString(GLcontext * ctx, GLenum name)
+intelGetString(struct gl_context * ctx, GLenum name)
{
- const char *chipset;
- static char buffer[128];
+ const struct intel_context *const intel = intel_context(ctx);
switch (name) {
case GL_VENDOR:
- return (GLubyte *) "Tungsten Graphics, Inc";
- break;
+ return (GLubyte *) i915_vendor_string;
case GL_RENDERER:
- switch (intel_context(ctx)->intelScreen->deviceID) {
- case PCI_CHIP_845_G:
- chipset = "Intel(R) 845G";
- break;
- case PCI_CHIP_I830_M:
- chipset = "Intel(R) 830M";
- break;
- case PCI_CHIP_I855_GM:
- chipset = "Intel(R) 852GM/855GM";
- break;
- case PCI_CHIP_I865_G:
- chipset = "Intel(R) 865G";
- break;
- case PCI_CHIP_I915_G:
- chipset = "Intel(R) 915G";
- break;
- case PCI_CHIP_I915_GM:
- chipset = "Intel(R) 915GM";
- break;
- case PCI_CHIP_I945_G:
- chipset = "Intel(R) 945G";
+ return
+ (GLubyte *) i915_get_renderer_string(intel->intelScreen->deviceID);
+
+ default:
+ return NULL;
+ }
+}
+
+#define flushFront(screen) ((screen)->image.loader ? (screen)->image.loader->flushFrontBuffer : (screen)->dri2.loader->flushFrontBuffer)
+
+static void
+intel_flush_front(struct gl_context *ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ __DRIcontext *driContext = intel->driContext;
+ __DRIdrawable *driDrawable = driContext->driDrawablePriv;
+ __DRIscreen *const screen = intel->intelScreen->driScrnPriv;
+
+ if (intel->front_buffer_dirty && _mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ if (flushFront(screen) &&
+ driDrawable &&
+ driDrawable->loaderPrivate) {
+ flushFront(screen)(driDrawable, driDrawable->loaderPrivate);
+
+ /* We set the dirty bit in intel_prepare_render() if we're
+ * front buffer rendering once we get there.
+ */
+ intel->front_buffer_dirty = false;
+ }
+ }
+}
+
+static void
+intel_update_image_buffers(struct intel_context *intel, __DRIdrawable *drawable);
+
+static unsigned
+intel_bits_per_pixel(const struct intel_renderbuffer *rb)
+{
+ return _mesa_get_format_bytes(intel_rb_format(rb)) * 8;
+}
+
+static void
+intel_query_dri2_buffers(struct intel_context *intel,
+ __DRIdrawable *drawable,
+ __DRIbuffer **buffers,
+ int *count);
+
+static void
+intel_process_dri2_buffer(struct intel_context *intel,
+ __DRIdrawable *drawable,
+ __DRIbuffer *buffer,
+ struct intel_renderbuffer *rb,
+ const char *buffer_name);
+
+static void
+intel_update_dri2_buffers(struct intel_context *intel, __DRIdrawable *drawable)
+{
+ __DRIbuffer *buffers = NULL;
+ int i, count;
+ const char *region_name;
+ struct intel_renderbuffer *rb;
+ struct gl_framebuffer *fb = drawable->driverPrivate;
+
+ intel_query_dri2_buffers(intel, drawable, &buffers, &count);
+
+ if (buffers == NULL)
+ return;
+
+ for (i = 0; i < count; i++) {
+ switch (buffers[i].attachment) {
+ case __DRI_BUFFER_FRONT_LEFT:
+ rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
+ region_name = "dri2 front buffer";
break;
- case PCI_CHIP_I945_GM:
- chipset = "Intel(R) 945GM";
+
+ case __DRI_BUFFER_FAKE_FRONT_LEFT:
+ rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
+ region_name = "dri2 fake front buffer";
break;
- case PCI_CHIP_I945_GME:
- chipset = "Intel(R) 945GME";
+
+ case __DRI_BUFFER_BACK_LEFT:
+ rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
+ region_name = "dri2 back buffer";
break;
- case PCI_CHIP_G33_G:
- chipset = "Intel(R) G33";
- break;
- case PCI_CHIP_Q35_G:
- chipset = "Intel(R) Q35";
- break;
- case PCI_CHIP_Q33_G:
- chipset = "Intel(R) Q33";
- break;
+
+ case __DRI_BUFFER_DEPTH:
+ case __DRI_BUFFER_HIZ:
+ case __DRI_BUFFER_DEPTH_STENCIL:
+ case __DRI_BUFFER_STENCIL:
+ case __DRI_BUFFER_ACCUM:
default:
- chipset = "Unknown Intel Chipset";
- break;
+ fprintf(stderr,
+ "unhandled buffer attach event, attachment type %d\n",
+ buffers[i].attachment);
+ return;
}
- (void) driGetRendererString(buffer, chipset, DRIVER_DATE, 0);
- return (GLubyte *) buffer;
-
- default:
- return NULL;
+ intel_process_dri2_buffer(intel, drawable, &buffers[i], rb, region_name);
}
}
+void
+intel_update_renderbuffers(__DRIcontext *context, __DRIdrawable *drawable)
+{
+ struct intel_context *intel = context->driverPrivate;
+ __DRIscreen *screen = intel->intelScreen->driScrnPriv;
+
+ /* Set this up front, so that in case our buffers get invalidated
+ * while we're getting new buffers, we don't clobber the stamp and
+ * thus ignore the invalidate. */
+ drawable->lastStamp = drawable->dri2.stamp;
+
+ if (unlikely(INTEL_DEBUG & DEBUG_DRI))
+ fprintf(stderr, "enter %s, drawable %p\n", __func__, drawable);
+
+ if (screen->image.loader)
+ intel_update_image_buffers(intel, drawable);
+ else
+ intel_update_dri2_buffers(intel, drawable);
+
+ driUpdateFramebufferSize(&intel->ctx, drawable);
+}
/**
- * Extension strings exported by the intel driver.
+ * intel_prepare_render should be called anywhere that curent read/drawbuffer
+ * state is required.
*/
-const struct dri_extension card_extensions[] = {
- {"GL_ARB_multisample", GL_ARB_multisample_functions},
- {"GL_ARB_multitexture", NULL},
- {"GL_ARB_point_parameters", GL_ARB_point_parameters_functions},
- {"GL_ARB_texture_border_clamp", NULL},
- {"GL_ARB_texture_compression", GL_ARB_texture_compression_functions},
- {"GL_ARB_texture_cube_map", NULL},
- {"GL_ARB_texture_env_add", NULL},
- {"GL_ARB_texture_env_combine", NULL},
- {"GL_ARB_texture_env_dot3", NULL},
- {"GL_ARB_texture_mirrored_repeat", NULL},
- {"GL_ARB_texture_rectangle", NULL},
- {"GL_ARB_vertex_buffer_object", GL_ARB_vertex_buffer_object_functions},
- {"GL_ARB_vertex_program", GL_ARB_vertex_program_functions},
- {"GL_ARB_window_pos", GL_ARB_window_pos_functions},
- {"GL_EXT_blend_color", GL_EXT_blend_color_functions},
- {"GL_EXT_blend_equation_separate",
- GL_EXT_blend_equation_separate_functions},
- {"GL_EXT_blend_func_separate", GL_EXT_blend_func_separate_functions},
- {"GL_EXT_blend_minmax", GL_EXT_blend_minmax_functions},
- {"GL_EXT_blend_subtract", NULL},
- {"GL_EXT_cull_vertex", GL_EXT_cull_vertex_functions},
- {"GL_EXT_fog_coord", GL_EXT_fog_coord_functions},
- {"GL_EXT_multi_draw_arrays", GL_EXT_multi_draw_arrays_functions},
-#if 1 /* XXX FBO temporary? */
- {"GL_EXT_packed_depth_stencil", NULL},
-#endif
- {"GL_EXT_secondary_color", GL_EXT_secondary_color_functions},
- {"GL_EXT_stencil_wrap", NULL},
- {"GL_EXT_texture_edge_clamp", NULL},
- {"GL_EXT_texture_env_combine", NULL},
- {"GL_EXT_texture_env_dot3", NULL},
- {"GL_EXT_texture_filter_anisotropic", NULL},
- {"GL_EXT_texture_lod_bias", NULL},
- {"GL_3DFX_texture_compression_FXT1", NULL},
- {"GL_APPLE_client_storage", NULL},
- {"GL_MESA_pack_invert", NULL},
- {"GL_MESA_ycbcr_texture", NULL},
- {"GL_NV_blend_square", NULL},
- {"GL_NV_vertex_program", GL_NV_vertex_program_functions},
- {"GL_NV_vertex_program1_1", NULL},
-/* { "GL_SGIS_generate_mipmap", NULL }, */
- {NULL, NULL}
-};
+void
+intel_prepare_render(struct intel_context *intel)
+{
+ __DRIcontext *driContext = intel->driContext;
+ __DRIdrawable *drawable;
+
+ drawable = driContext->driDrawablePriv;
+ if (drawable && drawable->dri2.stamp != driContext->dri2.draw_stamp) {
+ if (drawable->lastStamp != drawable->dri2.stamp)
+ intel_update_renderbuffers(driContext, drawable);
+ intel_draw_buffer(&intel->ctx);
+ driContext->dri2.draw_stamp = drawable->dri2.stamp;
+ }
-const struct dri_extension ttm_extensions[] = {
- {"GL_EXT_framebuffer_object", GL_EXT_framebuffer_object_functions},
- {"GL_ARB_pixel_buffer_object", NULL},
- {NULL, NULL}
-};
+ drawable = driContext->driReadablePriv;
+ if (drawable && drawable->dri2.stamp != driContext->dri2.read_stamp) {
+ if (drawable->lastStamp != drawable->dri2.stamp)
+ intel_update_renderbuffers(driContext, drawable);
+ driContext->dri2.read_stamp = drawable->dri2.stamp;
+ }
-extern const struct tnl_pipeline_stage _intel_render_stage;
-
-static const struct tnl_pipeline_stage *intel_pipeline[] = {
- &_tnl_vertex_transform_stage,
- &_tnl_vertex_cull_stage,
- &_tnl_normal_transform_stage,
- &_tnl_lighting_stage,
- &_tnl_fog_coordinate_stage,
- &_tnl_texgen_stage,
- &_tnl_texture_transform_stage,
- &_tnl_point_attenuation_stage,
- &_tnl_vertex_program_stage,
-#if 1
- &_intel_render_stage, /* ADD: unclipped rastersetup-to-dma */
-#endif
- &_tnl_render_stage,
- 0,
-};
+ /* If we're currently rendering to the front buffer, the rendering
+ * that will happen next will probably dirty the front buffer. So
+ * mark it as dirty here.
+ */
+ if (_mesa_is_front_buffer_drawing(intel->ctx.DrawBuffer))
+ intel->front_buffer_dirty = true;
+
+ /* Wait for the swapbuffers before the one we just emitted, so we
+ * don't get too many swaps outstanding for apps that are GPU-heavy
+ * but not CPU-heavy.
+ *
+ * We're using intelDRI2Flush (called from the loader before
+ * swapbuffer) and glFlush (for front buffer rendering) as the
+ * indicator that a frame is done and then throttle when we get
+ * here as we prepare to render the next frame. At this point for
+ * round trips for swap/copy and getting new buffers are done and
+ * we'll spend less time waiting on the GPU.
+ *
+ * Unfortunately, we don't have a handle to the batch containing
+ * the swap, and getting our hands on that doesn't seem worth it,
+ * so we just us the first batch we emitted after the last swap.
+ */
+ if (intel->need_throttle && intel->first_post_swapbuffers_batch) {
+ if (!intel->disable_throttling)
+ drm_intel_bo_wait_rendering(intel->first_post_swapbuffers_batch);
+ drm_intel_bo_unreference(intel->first_post_swapbuffers_batch);
+ intel->first_post_swapbuffers_batch = NULL;
+ intel->need_throttle = false;
+ }
+}
+
+static void
+intel_noninvalidate_viewport(struct gl_context *ctx)
+{
+ struct intel_context *intel = intel_context(ctx);
+ __DRIcontext *driContext = intel->driContext;
+
+ intelCalcViewport(ctx);
+ if (_mesa_is_winsys_fbo(ctx->DrawBuffer)) {
+ dri2InvalidateDrawable(driContext->driDrawablePriv);
+ dri2InvalidateDrawable(driContext->driReadablePriv);
+ }
+}
-static const struct dri_debug_control debug_control[] = {
- {"tex", DEBUG_TEXTURE},
- {"state", DEBUG_STATE},
- {"ioctl", DEBUG_IOCTL},
- {"blit", DEBUG_BLIT},
- {"mip", DEBUG_MIPTREE},
- {"fall", DEBUG_FALLBACKS},
- {"verb", DEBUG_VERBOSE},
- {"bat", DEBUG_BATCH},
- {"pix", DEBUG_PIXEL},
- {"buf", DEBUG_BUFMGR},
- {"reg", DEBUG_REGION},
- {"fbo", DEBUG_FBO},
- {"lock", DEBUG_LOCK},
- {"sync", DEBUG_SYNC},
- {NULL, 0}
+static void
+intel_viewport(struct gl_context *ctx)
+{
+ intelCalcViewport(ctx);
+}
+
+static const struct debug_control debug_control[] = {
+ { "tex", DEBUG_TEXTURE},
+ { "state", DEBUG_STATE},
+ { "blit", DEBUG_BLIT},
+ { "mip", DEBUG_MIPTREE},
+ { "fall", DEBUG_PERF},
+ { "perf", DEBUG_PERF},
+ { "bat", DEBUG_BATCH},
+ { "pix", DEBUG_PIXEL},
+ { "buf", DEBUG_BUFMGR},
+ { "reg", DEBUG_REGION},
+ { "fbo", DEBUG_FBO},
+ { "fs", DEBUG_WM },
+ { "sync", DEBUG_SYNC},
+ { "dri", DEBUG_DRI },
+ { "stats", DEBUG_STATS },
+ { "wm", DEBUG_WM },
+ { "aub", DEBUG_AUB },
+ { NULL, 0 }
};
static void
-intelInvalidateState(GLcontext * ctx, GLuint new_state)
+intelInvalidateState(struct gl_context * ctx, GLuint new_state)
{
- _swrast_InvalidateState(ctx, new_state);
- _swsetup_InvalidateState(ctx, new_state);
+ struct intel_context *intel = intel_context(ctx);
+
+ if (ctx->swrast_context)
+ _swrast_InvalidateState(ctx, new_state);
_vbo_InvalidateState(ctx, new_state);
- _tnl_InvalidateState(ctx, new_state);
- _tnl_invalidate_vertex_state(ctx, new_state);
- intel_context(ctx)->NewGLState |= new_state;
-}
+ intel->NewGLState |= new_state;
+
+ if (intel->vtbl.invalidate_state)
+ intel->vtbl.invalidate_state( intel, new_state );
+}
void
-intelFlush(GLcontext * ctx)
+intel_flush_rendering_to_batch(struct gl_context *ctx)
{
struct intel_context *intel = intel_context(ctx);
_swrast_flush(ctx);
INTEL_FIREVERTICES(intel);
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-
- /* XXX: Need to do an MI_FLUSH here.
- */
}
void
-intelFinish(GLcontext * ctx)
+_intel_flush(struct gl_context *ctx, const char *file, int line)
{
struct intel_context *intel = intel_context(ctx);
- intelFlush(ctx);
- if (intel->batch->last_fence) {
- dri_fence_wait(intel->batch->last_fence);
- dri_fence_unreference(intel->batch->last_fence);
- intel->batch->last_fence = NULL;
- }
-}
-
-/** Driver-specific fence emit implementation for the fake memory manager. */
-static unsigned int
-intel_fence_emit(void *private)
-{
- struct intel_context *intel = (struct intel_context *)private;
- unsigned int fence;
- /* XXX: Need to emit a flush, if we haven't already (at least with the
- * current batchbuffer implementation, we have).
- */
+ intel_flush_rendering_to_batch(ctx);
- fence = intelEmitIrqLocked(intel);
-
- return fence;
+ if (intel->batch.used)
+ _intel_batchbuffer_flush(intel, file, line);
}
-/** Driver-specific fence wait implementation for the fake memory manager. */
-static int
-intel_fence_wait(void *private, unsigned int cookie)
+static void
+intel_glFlush(struct gl_context *ctx)
{
- struct intel_context *intel = (struct intel_context *)private;
-
- intelWaitIrq(intel, cookie);
+ struct intel_context *intel = intel_context(ctx);
- return 0;
+ intel_flush(ctx);
+ intel_flush_front(ctx);
+ if (_mesa_is_front_buffer_drawing(ctx->DrawBuffer))
+ intel->need_throttle = true;
}
-static GLboolean
-intel_init_bufmgr(struct intel_context *intel)
+void
+intelFinish(struct gl_context * ctx)
{
- intelScreenPrivate *intelScreen = intel->intelScreen;
- GLboolean ttm_disable = getenv("INTEL_NO_TTM") != NULL;
-
- /* If we've got a new enough DDX that's initializing TTM and giving us
- * object handles for the shared buffers, use that.
- */
- intel->ttm = GL_FALSE;
- if (!ttm_disable &&
- intel->intelScreen->driScrnPriv->ddx_version.minor >= 9 &&
- intel->intelScreen->drmMinor >= 11 &&
- intel->intelScreen->front.bo_handle != -1)
- {
- intel->bufmgr = intel_bufmgr_ttm_init(intel->driFd,
- DRM_FENCE_TYPE_EXE,
- DRM_FENCE_TYPE_EXE |
- DRM_I915_FENCE_TYPE_RW,
- BATCH_SZ);
- if (intel->bufmgr != NULL)
- intel->ttm = GL_TRUE;
- }
- /* Otherwise, use the classic buffer manager. */
- if (intel->bufmgr == NULL) {
- if (ttm_disable) {
- fprintf(stderr, "TTM buffer manager disabled. Using classic.\n");
- } else {
- fprintf(stderr, "Failed to initialize TTM buffer manager. "
- "Falling back to classic.\n");
- }
+ struct intel_context *intel = intel_context(ctx);
- if (intelScreen->tex.size == 0) {
- fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
- __func__, __LINE__);
- return GL_FALSE;
- }
+ intel_flush(ctx);
+ intel_flush_front(ctx);
- intel->bufmgr = dri_bufmgr_fake_init(intelScreen->tex.offset,
- intelScreen->tex.map,
- intelScreen->tex.size,
- intel_fence_emit,
- intel_fence_wait,
- intel);
- }
-
- return GL_TRUE;
+ if (intel->batch.last_bo)
+ drm_intel_bo_wait_rendering(intel->batch.last_bo);
}
void
{
_mesa_init_driver_functions(functions);
- functions->Flush = intelFlush;
+ functions->Flush = intel_glFlush;
functions->Finish = intelFinish;
functions->GetString = intelGetString;
functions->UpdateState = intelInvalidateState;
- functions->CopyColorTable = _swrast_CopyColorTable;
- functions->CopyColorSubTable = _swrast_CopyColorSubTable;
- functions->CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
- functions->CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
intelInitTextureFuncs(functions);
- intelInitPixelFuncs(functions);
- intelInitStateFuncs(functions);
+ intelInitTextureImageFuncs(functions);
+ intelInitTextureSubImageFuncs(functions);
+ intelInitTextureCopyImageFuncs(functions);
+ intelInitClearFuncs(functions);
intelInitBufferFuncs(functions);
+ intelInitPixelFuncs(functions);
+ intelInitBufferObjectFuncs(functions);
+ intel_init_syncobj_functions(functions);
}
-
-GLboolean
+bool
intelInitContext(struct intel_context *intel,
- const __GLcontextModes * mesaVis,
- __DRIcontextPrivate * driContextPriv,
+ int api,
+ unsigned major_version,
+ unsigned minor_version,
+ uint32_t flags,
+ const struct gl_config * mesaVis,
+ __DRIcontext * driContextPriv,
void *sharedContextPrivate,
- struct dd_function_table *functions)
+ struct dd_function_table *functions,
+ unsigned *dri_ctx_error)
{
- GLcontext *ctx = &intel->ctx;
- GLcontext *shareCtx = (GLcontext *) sharedContextPrivate;
- __DRIscreenPrivate *sPriv = driContextPriv->driScreenPriv;
- intelScreenPrivate *intelScreen = (intelScreenPrivate *) sPriv->private;
- drmI830Sarea *saPriv = (drmI830Sarea *)
- (((GLubyte *) sPriv->pSAREA) + intelScreen->sarea_priv_offset);
- int fthrottle_mode;
-
- if (!_mesa_initialize_context(&intel->ctx,
- mesaVis, shareCtx,
- functions, (void *) intel))
- return GL_FALSE;
+ struct gl_context *ctx = &intel->ctx;
+ struct gl_context *shareCtx = (struct gl_context *) sharedContextPrivate;
+ __DRIscreen *sPriv = driContextPriv->driScreenPriv;
+ struct intel_screen *intelScreen = sPriv->driverPrivate;
+ int bo_reuse_mode;
+
+ /* Can't rely on invalidate events, fall back to glViewport hack */
+ if (!driContextPriv->driScreenPriv->dri2.useInvalidate)
+ functions->Viewport = intel_noninvalidate_viewport;
+ else
+ functions->Viewport = intel_viewport;
- driContextPriv->driverPrivate = intel;
intel->intelScreen = intelScreen;
- intel->driScreen = sPriv;
- intel->sarea = saPriv;
- /* Dri stuff */
- intel->hHWContext = driContextPriv->hHWContext;
- intel->driFd = sPriv->fd;
- intel->driHwLock = (drmLock *) & sPriv->pSAREA->lock;
+ if (!_mesa_initialize_context(&intel->ctx, api, mesaVis, shareCtx,
+ functions)) {
+ *dri_ctx_error = __DRI_CTX_ERROR_NO_MEMORY;
+ printf("%s: failed to init mesa context\n", __func__);
+ return false;
+ }
- intel->width = intelScreen->width;
- intel->height = intelScreen->height;
+ driContextPriv->driverPrivate = intel;
+ intel->driContext = driContextPriv;
- if (intelScreen->deviceID == PCI_CHIP_I865_G)
- intel->maxBatchSize = 4096;
- else
- intel->maxBatchSize = BATCH_SZ;
+ intel->gen = intelScreen->gen;
- if (!intel_init_bufmgr(intel))
- return GL_FALSE;
+ const int devID = intelScreen->deviceID;
- if (!lockMutexInit) {
- lockMutexInit = GL_TRUE;
- _glthread_INIT_MUTEX(lockMutex);
- }
+ intel->is_945 = IS_945(devID);
- driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
- intel->driScreen->myNum, "i915");
+ intel->has_swizzling = intel->intelScreen->hw_has_swizzling;
- ctx->Const.MaxTextureMaxAnisotropy = 2.0;
+ memset(&ctx->TextureFormatSupported,
+ 0, sizeof(ctx->TextureFormatSupported));
+
+ driParseConfigFiles(&intel->optionCache, &intelScreen->optionCache,
+ sPriv->myNum, "i915");
+ intel->maxBatchSize = 4096;
- /* This doesn't yet catch all non-conformant rendering, but it's a
- * start.
+ /* Estimate the size of the mappable aperture into the GTT. There's an
+ * ioctl to get the whole GTT size, but not one to get the mappable subset.
+ * It turns out it's basically always 256MB, though some ancient hardware
+ * was smaller.
*/
- if (getenv("INTEL_STRICT_CONFORMANCE")) {
- intel->strict_conformance = 1;
+ uint32_t gtt_size = 256 * 1024 * 1024;
+ if (intel->gen == 2)
+ gtt_size = 128 * 1024 * 1024;
+
+ /* We don't want to map two objects such that a memcpy between them would
+ * just fault one mapping in and then the other over and over forever. So
+ * we would need to divide the GTT size by 2. Additionally, some GTT is
+ * taken up by things like the framebuffer and the ringbuffer and such, so
+ * be more conservative.
+ */
+ intel->max_gtt_map_object_size = gtt_size / 4;
+
+ intel->bufmgr = intelScreen->bufmgr;
+
+ bo_reuse_mode = driQueryOptioni(&intel->optionCache, "bo_reuse");
+ switch (bo_reuse_mode) {
+ case DRI_CONF_BO_REUSE_DISABLED:
+ break;
+ case DRI_CONF_BO_REUSE_ALL:
+ intel_bufmgr_gem_enable_reuse(intel->bufmgr);
+ break;
}
ctx->Const.MinLineWidth = 1.0;
ctx->Const.MinLineWidthAA = 1.0;
- ctx->Const.MaxLineWidth = 3.0;
- ctx->Const.MaxLineWidthAA = 3.0;
- ctx->Const.LineWidthGranularity = 1.0;
+ ctx->Const.MaxLineWidth = 7.0;
+ ctx->Const.MaxLineWidthAA = 7.0;
+ ctx->Const.LineWidthGranularity = 0.5;
ctx->Const.MinPointSize = 1.0;
ctx->Const.MinPointSizeAA = 1.0;
ctx->Const.MaxPointSizeAA = 3.0;
ctx->Const.PointSizeGranularity = 1.0;
+ ctx->Const.StripTextureBorder = GL_TRUE;
+
/* reinitialize the context point state.
- * It depend on constants in __GLcontextRec::Const
+ * It depend on constants in __struct gl_contextRec::Const
*/
_mesa_init_point(ctx);
- ctx->Const.MaxColorAttachments = 4; /* XXX FBO: review this */
+ ctx->Const.MaxRenderbufferSize = 2048;
- /* Initialize the software rasterizer and helper modules. */
_swrast_CreateContext(ctx);
_vbo_CreateContext(ctx);
- _tnl_CreateContext(ctx);
- _swsetup_CreateContext(ctx);
-
- /* Install the customized pipeline: */
- _tnl_destroy_pipeline(ctx);
- _tnl_install_pipeline(ctx, intel_pipeline);
-
- /* Configure swrast to match hardware characteristics: */
- _swrast_allow_pixel_fog(ctx, GL_FALSE);
- _swrast_allow_vertex_fog(ctx, GL_TRUE);
-
- intel->hw_stipple = 1;
+ if (ctx->swrast_context) {
+ _tnl_CreateContext(ctx);
+ _swsetup_CreateContext(ctx);
- /* XXX FBO: this doesn't seem to be used anywhere */
- switch (mesaVis->depthBits) {
- case 0: /* what to do in this case? */
- case 16:
- intel->polygon_offset_scale = 1.0 / 0xffff;
- break;
- case 24:
- intel->polygon_offset_scale = 2.0 / 0xffffff; /* req'd to pass glean */
- break;
- default:
- assert(0);
- break;
+ /* Configure swrast to match hardware characteristics: */
+ _swrast_allow_pixel_fog(ctx, false);
+ _swrast_allow_vertex_fog(ctx, true);
}
- /* Initialize swrast, tnl driver tables: */
- intelInitSpanFuncs(ctx);
- intelInitTriFuncs(ctx);
+ _mesa_meta_init(ctx);
+ intel->hw_stipple = 1;
intel->RenderIndex = ~0;
- fthrottle_mode = driQueryOptioni(&intel->optionCache, "fthrottle_mode");
- intel->irqsEmitted = 0;
-
- intel->do_irqs = (intel->intelScreen->irq_active &&
- fthrottle_mode == DRI_CONF_FTHROTTLE_IRQS);
-
- intel->do_usleeps = (fthrottle_mode == DRI_CONF_FTHROTTLE_USLEEPS);
+ intelInitExtensions(ctx);
- _math_matrix_ctr(&intel->ViewportMatrix);
+ INTEL_DEBUG = parse_debug_string(getenv("INTEL_DEBUG"), debug_control);
+ if (INTEL_DEBUG & DEBUG_BUFMGR)
+ dri_bufmgr_set_debug(intel->bufmgr, true);
+ if (INTEL_DEBUG & DEBUG_PERF)
+ intel->perf_debug = true;
- /* Disable imaging extension until convolution is working in
- * teximage paths:
- */
- driInitExtensions(ctx, card_extensions,
-/* GL_TRUE, */
- GL_FALSE);
+ if (INTEL_DEBUG & DEBUG_AUB)
+ drm_intel_bufmgr_gem_set_aub_dump(intel->bufmgr, true);
- if (intel->ttm)
- driInitExtensions(ctx, ttm_extensions, GL_FALSE);
+ intel_batchbuffer_init(intel);
- intel_recreate_static_regions(intel);
+ intel_fbo_init(intel);
- intel->batch = intel_batchbuffer_alloc(intel);
- intel->last_swap_fence = NULL;
- intel->first_swap_fence = NULL;
+ intel->use_early_z = driQueryOptionb(&intel->optionCache, "early_z");
- intel_bufferobj_init(intel);
- intel_fbo_init(intel);
+ intel->prim.primitive = ~0;
- if (intel->ctx.Mesa_DXTn) {
- _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
- _mesa_enable_extension(ctx, "GL_S3_s3tc");
- }
- else if (driQueryOptionb(&intel->optionCache, "force_s3tc_enable")) {
- _mesa_enable_extension(ctx, "GL_EXT_texture_compression_s3tc");
+ /* Force all software fallbacks */
+ if (driQueryOptionb(&intel->optionCache, "no_rast")) {
+ fprintf(stderr, "disabling 3D rasterization\n");
+ intel->no_rast = 1;
}
- intel->prim.primitive = ~0;
+ if (driQueryOptionb(&intel->optionCache, "always_flush_batch")) {
+ fprintf(stderr, "flushing batchbuffer before/after each draw call\n");
+ intel->always_flush_batch = 1;
+ }
-#if DO_DEBUG
- INTEL_DEBUG = driParseDebugString(getenv("INTEL_DEBUG"), debug_control);
- if (!intel->ttm && (INTEL_DEBUG & DEBUG_BUFMGR))
- dri_bufmgr_fake_set_debug(intel->bufmgr, GL_TRUE);
-#endif
+ if (driQueryOptionb(&intel->optionCache, "always_flush_cache")) {
+ fprintf(stderr, "flushing GPU caches before/after each draw call\n");
+ intel->always_flush_cache = 1;
+ }
- if (getenv("INTEL_NO_RAST")) {
- fprintf(stderr, "disabling 3D rasterization\n");
- FALLBACK(intel, INTEL_FALLBACK_USER, 1);
+ if (driQueryOptionb(&intel->optionCache, "disable_throttling")) {
+ fprintf(stderr, "disabling flush throttling\n");
+ intel->disable_throttling = 1;
}
- return GL_TRUE;
+ return true;
}
void
-intelDestroyContext(__DRIcontextPrivate * driContextPriv)
+intelDestroyContext(__DRIcontext * driContextPriv)
{
struct intel_context *intel =
(struct intel_context *) driContextPriv->driverPrivate;
+ struct gl_context *ctx = &intel->ctx;
assert(intel); /* should never be null */
if (intel) {
- GLboolean release_texture_heaps;
-
INTEL_FIREVERTICES(intel);
+ /* Dump a final BMP in case the application doesn't call SwapBuffers */
+ if (INTEL_DEBUG & DEBUG_AUB) {
+ intel_batchbuffer_flush(intel);
+ aub_dump_bmp(&intel->ctx);
+ }
+
+ _mesa_meta_free(&intel->ctx);
+
intel->vtbl.destroy(intel);
- release_texture_heaps = (intel->ctx.Shared->RefCount == 1);
- _swsetup_DestroyContext(&intel->ctx);
- _tnl_DestroyContext(&intel->ctx);
+ if (ctx->swrast_context) {
+ _swsetup_DestroyContext(&intel->ctx);
+ _tnl_DestroyContext(&intel->ctx);
+ }
_vbo_DestroyContext(&intel->ctx);
- _swrast_DestroyContext(&intel->ctx);
- intel->Fallback = 0; /* don't call _swrast_Flush later */
-
- intel_batchbuffer_free(intel->batch);
+ if (ctx->swrast_context)
+ _swrast_DestroyContext(&intel->ctx);
+ intel->Fallback = 0x0; /* don't call _swrast_Flush later */
- if (intel->last_swap_fence) {
- dri_fence_wait(intel->last_swap_fence);
- dri_fence_unreference(intel->last_swap_fence);
- intel->last_swap_fence = NULL;
- }
- if (intel->first_swap_fence) {
- dri_fence_wait(intel->first_swap_fence);
- dri_fence_unreference(intel->first_swap_fence);
- intel->first_swap_fence = NULL;
- }
+ intel_batchbuffer_free(intel);
- dri_bufmgr_destroy(intel->bufmgr);
+ free(intel->prim.vb);
+ intel->prim.vb = NULL;
+ drm_intel_bo_unreference(intel->prim.vb_bo);
+ intel->prim.vb_bo = NULL;
+ drm_intel_bo_unreference(intel->first_post_swapbuffers_batch);
+ intel->first_post_swapbuffers_batch = NULL;
- if (release_texture_heaps) {
- /* This share group is about to go away, free our private
- * texture object data.
- */
- if (INTEL_DEBUG & DEBUG_TEXTURE)
- fprintf(stderr, "do something to free texture heaps\n");
- }
+ driDestroyOptionCache(&intel->optionCache);
/* free the Mesa context */
_mesa_free_context_data(&intel->ctx);
+
+ _math_matrix_dtr(&intel->ViewportMatrix);
+
+ ralloc_free(intel);
+ driContextPriv->driverPrivate = NULL;
}
}
GLboolean
-intelUnbindContext(__DRIcontextPrivate * driContextPriv)
+intelUnbindContext(__DRIcontext * driContextPriv)
{
- return GL_TRUE;
+ /* Unset current context and dispath table */
+ _mesa_make_current(NULL, NULL, NULL);
+
+ return true;
}
GLboolean
-intelMakeCurrent(__DRIcontextPrivate * driContextPriv,
- __DRIdrawablePrivate * driDrawPriv,
- __DRIdrawablePrivate * driReadPriv)
+intelMakeCurrent(__DRIcontext * driContextPriv,
+ __DRIdrawable * driDrawPriv,
+ __DRIdrawable * driReadPriv)
{
+ struct intel_context *intel;
+ GET_CURRENT_CONTEXT(curCtx);
- if (driContextPriv) {
- struct intel_context *intel =
- (struct intel_context *) driContextPriv->driverPrivate;
- struct intel_framebuffer *intel_fb =
- (struct intel_framebuffer *) driDrawPriv->driverPrivate;
- GLframebuffer *readFb = (GLframebuffer *) driReadPriv->driverPrivate;
-
-
- /* XXX FBO temporary fix-ups! */
- /* if the renderbuffers don't have regions, init them from the context */
- {
- struct intel_renderbuffer *irbDepth
- = intel_get_renderbuffer(&intel_fb->Base, BUFFER_DEPTH);
- struct intel_renderbuffer *irbStencil
- = intel_get_renderbuffer(&intel_fb->Base, BUFFER_STENCIL);
-
- if (intel_fb->color_rb[0] && !intel_fb->color_rb[0]->region) {
- intel_region_reference(&intel_fb->color_rb[0]->region,
- intel->front_region);
- }
- if (intel_fb->color_rb[1] && !intel_fb->color_rb[1]->region) {
- intel_region_reference(&intel_fb->color_rb[1]->region,
- intel->back_region);
- }
- if (intel_fb->color_rb[2] && !intel_fb->color_rb[2]->region) {
- intel_region_reference(&intel_fb->color_rb[2]->region,
- intel->third_region);
- }
- if (irbDepth && !irbDepth->region) {
- intel_region_reference(&irbDepth->region, intel->depth_region);
- }
- if (irbStencil && !irbStencil->region) {
- intel_region_reference(&irbStencil->region, intel->depth_region);
- }
- }
+ if (driContextPriv)
+ intel = (struct intel_context *) driContextPriv->driverPrivate;
+ else
+ intel = NULL;
- /* set GLframebuffer size to match window, if needed */
- driUpdateFramebufferSize(&intel->ctx, driDrawPriv);
+ /* According to the glXMakeCurrent() man page: "Pending commands to
+ * the previous context, if any, are flushed before it is released."
+ * But only flush if we're actually changing contexts.
+ */
+ if (intel_context(curCtx) && intel_context(curCtx) != intel) {
+ _mesa_flush(curCtx);
+ }
- if (driReadPriv != driDrawPriv) {
- driUpdateFramebufferSize(&intel->ctx, driReadPriv);
+ if (driContextPriv) {
+ struct gl_context *ctx = &intel->ctx;
+ struct gl_framebuffer *fb, *readFb;
+
+ if (driDrawPriv == NULL && driReadPriv == NULL) {
+ fb = _mesa_get_incomplete_framebuffer();
+ readFb = _mesa_get_incomplete_framebuffer();
+ } else {
+ fb = driDrawPriv->driverPrivate;
+ readFb = driReadPriv->driverPrivate;
+ driContextPriv->dri2.draw_stamp = driDrawPriv->dri2.stamp - 1;
+ driContextPriv->dri2.read_stamp = driReadPriv->dri2.stamp - 1;
}
- _mesa_make_current(&intel->ctx, &intel_fb->Base, readFb);
+ intel_prepare_render(intel);
+ _mesa_make_current(ctx, fb, readFb);
- /* The drawbuffer won't always be updated by _mesa_make_current:
- */
- if (intel->ctx.DrawBuffer == &intel_fb->Base) {
-
- if (intel->driDrawable != driDrawPriv) {
- if (driDrawPriv->swap_interval == (unsigned)-1) {
- int i;
-
- driDrawPriv->vblFlags = (intel->intelScreen->irq_active != 0)
- ? driGetDefaultVBlankFlags(&intel->optionCache)
- : VBLANK_FLAG_NO_IRQ;
-
- (*dri_interface->getUST) (&intel_fb->swap_ust);
- driDrawableInitVBlank(driDrawPriv);
- intel_fb->vbl_waited = driDrawPriv->vblSeq;
-
- for (i = 0; i < (intel->intelScreen->third.handle ? 3 : 2); i++) {
- if (intel_fb->color_rb[i])
- intel_fb->color_rb[i]->vbl_pending = driDrawPriv->vblSeq;
- }
- }
- intel->driDrawable = driDrawPriv;
- intelWindowMoved(intel);
- }
-
- intel_draw_buffer(&intel->ctx, &intel_fb->Base);
- }
+ /* We do this in intel_prepare_render() too, but intel->ctx.DrawBuffer
+ * is NULL at that point. We can't call _mesa_makecurrent()
+ * first, since we need the buffer size for the initial
+ * viewport. So just call intel_draw_buffer() again here. */
+ intel_draw_buffer(ctx);
}
else {
_mesa_make_current(NULL, NULL, NULL);
}
- return GL_TRUE;
+ return true;
}
+/**
+ * \brief Query DRI2 to obtain a DRIdrawable's buffers.
+ *
+ * To determine which DRI buffers to request, examine the renderbuffers
+ * attached to the drawable's framebuffer. Then request the buffers with
+ * DRI2GetBuffers() or DRI2GetBuffersWithFormat().
+ *
+ * This is called from intel_update_renderbuffers().
+ *
+ * \param drawable Drawable whose buffers are queried.
+ * \param buffers [out] List of buffers returned by DRI2 query.
+ * \param buffer_count [out] Number of buffers returned.
+ *
+ * \see intel_update_renderbuffers()
+ * \see DRI2GetBuffers()
+ * \see DRI2GetBuffersWithFormat()
+ */
static void
-intelContendedLock(struct intel_context *intel, GLuint flags)
+intel_query_dri2_buffers(struct intel_context *intel,
+ __DRIdrawable *drawable,
+ __DRIbuffer **buffers,
+ int *buffer_count)
{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- __DRIscreenPrivate *sPriv = intel->driScreen;
- drmI830Sarea *sarea = intel->sarea;
-
- drmGetLock(intel->driFd, intel->hHWContext, flags);
-
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - got contended lock\n", __progname);
-
- /* If the window moved, may need to set a new cliprect now.
- *
- * NOTE: This releases and regains the hw lock, so all state
- * checking must be done *after* this call:
- */
- if (dPriv)
- DRI_VALIDATE_DRAWABLE_INFO(sPriv, dPriv);
-
- /* If the last consumer of the texture memory wasn't us, notify the fake
- * bufmgr and record the new owner. We should have the memory shared
- * between contexts of a single fake bufmgr, but this will at least make
- * things correct for now.
- */
- if (!intel->ttm && sarea->texAge != intel->hHWContext) {
- sarea->texAge = intel->hHWContext;
- dri_bufmgr_fake_contended_lock_take(intel->bufmgr);
- if (INTEL_DEBUG & DEBUG_BATCH)
- intel_decode_context_reset();
- }
-
- if (sarea->width != intel->width ||
- sarea->height != intel->height) {
- int numClipRects = intel->numClipRects;
-
- /*
- * FIXME: Really only need to do this when drawing to a
- * common back- or front buffer.
+ __DRIscreen *screen = intel->intelScreen->driScrnPriv;
+ struct gl_framebuffer *fb = drawable->driverPrivate;
+ int i = 0;
+ unsigned attachments[8];
+
+ struct intel_renderbuffer *front_rb;
+ struct intel_renderbuffer *back_rb;
+
+ front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
+ back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
+
+ memset(attachments, 0, sizeof(attachments));
+ if ((_mesa_is_front_buffer_drawing(fb) ||
+ _mesa_is_front_buffer_reading(fb) ||
+ !back_rb) && front_rb) {
+ /* If a fake front buffer is in use, then querying for
+ * __DRI_BUFFER_FRONT_LEFT will cause the server to copy the image from
+ * the real front buffer to the fake front buffer. So before doing the
+ * query, we need to make sure all the pending drawing has landed in the
+ * real front buffer.
*/
-
- /*
- * This will essentially drop the outstanding batchbuffer on the floor.
+ intel_flush(&intel->ctx);
+ intel_flush_front(&intel->ctx);
+
+ attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
+ attachments[i++] = intel_bits_per_pixel(front_rb);
+ } else if (front_rb && intel->front_buffer_dirty) {
+ /* We have pending front buffer rendering, but we aren't querying for a
+ * front buffer. If the front buffer we have is a fake front buffer,
+ * the X server is going to throw it away when it processes the query.
+ * So before doing the query, make sure all the pending drawing has
+ * landed in the real front buffer.
*/
- intel->numClipRects = 0;
-
- if (intel->Fallback)
- _swrast_flush(&intel->ctx);
-
- INTEL_FIREVERTICES(intel);
-
- if (intel->batch->map != intel->batch->ptr)
- intel_batchbuffer_flush(intel->batch);
-
- intel->numClipRects = numClipRects;
-
- /* force window update */
- intel->lastStamp = 0;
-
- intel->width = sarea->width;
- intel->height = sarea->height;
+ intel_flush(&intel->ctx);
+ intel_flush_front(&intel->ctx);
}
- /* Drawable changed?
- */
- if (dPriv && intel->lastStamp != dPriv->lastStamp) {
- intelWindowMoved(intel);
- intel->lastStamp = dPriv->lastStamp;
+ if (back_rb) {
+ attachments[i++] = __DRI_BUFFER_BACK_LEFT;
+ attachments[i++] = intel_bits_per_pixel(back_rb);
}
-}
+ assert(i <= ARRAY_SIZE(attachments));
+ *buffers = screen->dri2.loader->getBuffersWithFormat(drawable,
+ &drawable->w,
+ &drawable->h,
+ attachments, i / 2,
+ buffer_count,
+ drawable->loaderPrivate);
+}
-/* Lock the hardware and validate our state.
+/**
+ * \brief Assign a DRI buffer's DRM region to a renderbuffer.
+ *
+ * This is called from intel_update_renderbuffers().
+ *
+ * \par Note:
+ * DRI buffers whose attachment point is DRI2BufferStencil or
+ * DRI2BufferDepthStencil are handled as special cases.
+ *
+ * \param buffer_name is a human readable name, such as "dri2 front buffer",
+ * that is passed to intel_region_alloc_for_handle().
+ *
+ * \see intel_update_renderbuffers()
+ * \see intel_region_alloc_for_handle()
*/
-void LOCK_HARDWARE( struct intel_context *intel )
+static void
+intel_process_dri2_buffer(struct intel_context *intel,
+ __DRIdrawable *drawable,
+ __DRIbuffer *buffer,
+ struct intel_renderbuffer *rb,
+ const char *buffer_name)
{
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- char __ret=0;
- struct intel_framebuffer *intel_fb = NULL;
- struct intel_renderbuffer *intel_rb = NULL;
- _glthread_LOCK_MUTEX(lockMutex);
- assert(!intel->locked);
-
- if (intel->driDrawable) {
- intel_fb = intel->driDrawable->driverPrivate;
-
- if (intel_fb)
- intel_rb =
- intel_get_renderbuffer(&intel_fb->Base,
- intel_fb->Base._ColorDrawBufferMask[0] ==
- BUFFER_BIT_FRONT_LEFT ? BUFFER_FRONT_LEFT :
- BUFFER_BACK_LEFT);
- }
+ struct intel_region *region = NULL;
- if (intel_rb && dPriv->vblFlags &&
- !(dPriv->vblFlags & VBLANK_FLAG_NO_IRQ) &&
- (intel_fb->vbl_waited - intel_rb->vbl_pending) > (1<<23)) {
- drmVBlank vbl;
+ if (!rb)
+ return;
- vbl.request.type = DRM_VBLANK_ABSOLUTE;
+ /* We try to avoid closing and reopening the same BO name, because the first
+ * use of a mapping of the buffer involves a bunch of page faulting which is
+ * moderately expensive.
+ */
+ if (rb->mt &&
+ rb->mt->region &&
+ rb->mt->region->name == buffer->name)
+ return;
+
+ if (unlikely(INTEL_DEBUG & DEBUG_DRI)) {
+ fprintf(stderr,
+ "attaching buffer %d, at %d, cpp %d, pitch %d\n",
+ buffer->name, buffer->attachment,
+ buffer->cpp, buffer->pitch);
+ }
- if ( dPriv->vblFlags & VBLANK_FLAG_SECONDARY ) {
- vbl.request.type |= DRM_VBLANK_SECONDARY;
- }
+ intel_miptree_release(&rb->mt);
+ region = intel_region_alloc_for_handle(intel->intelScreen,
+ buffer->cpp,
+ drawable->w,
+ drawable->h,
+ buffer->pitch,
+ buffer->name,
+ buffer_name);
+ if (!region)
+ return;
+
+ rb->mt = intel_miptree_create_for_dri2_buffer(intel,
+ buffer->attachment,
+ intel_rb_format(rb),
+ region);
+ intel_region_release(®ion);
+}
- vbl.request.sequence = intel_rb->vbl_pending;
- drmWaitVBlank(intel->driFd, &vbl);
- intel_fb->vbl_waited = vbl.reply.sequence;
- }
+/**
+ * \brief Query DRI Image loader to obtain a DRIdrawable's buffers.
+ *
+ * To determine which DRI buffers to request, examine the renderbuffers
+ * attached to the drawable's framebuffer. Then request the buffers with
+ * dri3
+ *
+ * This is called from intel_update_renderbuffers().
+ *
+ * \param drawable Drawable whose buffers are queried.
+ * \param buffers [out] List of buffers returned by DRI2 query.
+ * \param buffer_count [out] Number of buffers returned.
+ *
+ * \see intel_update_renderbuffers()
+ */
- DRM_CAS(intel->driHwLock, intel->hHWContext,
- (DRM_LOCK_HELD|intel->hHWContext), __ret);
+static void
+intel_update_image_buffer(struct intel_context *intel,
+ __DRIdrawable *drawable,
+ struct intel_renderbuffer *rb,
+ __DRIimage *buffer,
+ enum __DRIimageBufferMask buffer_type)
+{
+ struct intel_region *region = buffer->region;
- if (__ret)
- intelContendedLock( intel, 0 );
+ if (!rb || !region)
+ return;
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - locked\n", __progname);
+ unsigned num_samples = rb->Base.Base.NumSamples;
- intel->locked = 1;
+ if (rb->mt &&
+ rb->mt->region &&
+ rb->mt->region == region)
+ return;
+
+ intel_miptree_release(&rb->mt);
+ rb->mt = intel_miptree_create_for_image_buffer(intel,
+ buffer_type,
+ intel_rb_format(rb),
+ num_samples,
+ region);
}
- /* Unlock the hardware using the global current context
- */
-void UNLOCK_HARDWARE( struct intel_context *intel )
+static void
+intel_update_image_buffers(struct intel_context *intel, __DRIdrawable *drawable)
{
- intel->locked = 0;
-
- DRM_UNLOCK(intel->driFd, intel->driHwLock, intel->hHWContext);
-
- _glthread_UNLOCK_MUTEX(lockMutex);
+ struct gl_framebuffer *fb = drawable->driverPrivate;
+ __DRIscreen *screen = intel->intelScreen->driScrnPriv;
+ struct intel_renderbuffer *front_rb;
+ struct intel_renderbuffer *back_rb;
+ struct __DRIimageList images;
+ unsigned int format;
+ uint32_t buffer_mask = 0;
+
+ front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
+ back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
+
+ if (back_rb)
+ format = intel_rb_format(back_rb);
+ else if (front_rb)
+ format = intel_rb_format(front_rb);
+ else
+ return;
- if (INTEL_DEBUG & DEBUG_LOCK)
- _mesa_printf("%s - unlocked\n", __progname);
-}
+ if (front_rb && (_mesa_is_front_buffer_drawing(fb) ||
+ _mesa_is_front_buffer_reading(fb) || !back_rb)) {
+ buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
+ }
+ if (back_rb)
+ buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
+
+ (*screen->image.loader->getBuffers) (drawable,
+ driGLFormatToImageFormat(format),
+ &drawable->dri2.stamp,
+ drawable->loaderPrivate,
+ buffer_mask,
+ &images);
+
+ if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) {
+ drawable->w = images.front->width;
+ drawable->h = images.front->height;
+ intel_update_image_buffer(intel,
+ drawable,
+ front_rb,
+ images.front,
+ __DRI_IMAGE_BUFFER_FRONT);
+ }
+ if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) {
+ drawable->w = images.back->width;
+ drawable->h = images.back->height;
+ intel_update_image_buffer(intel,
+ drawable,
+ back_rb,
+ images.back,
+ __DRI_IMAGE_BUFFER_BACK);
+ }
+}
projects / mesa.git / blobdiff