/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN GRAPHICS 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 "main/glheader.h"
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "main/hash.h"
#include "main/fbobject.h"
#include "main/mfeatures.h"
#include "main/version.h"
#include "swrast/s_renderbuffer.h"
#include "utils.h"
#include "xmlpool.h"
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_ALWAYS_SYNC)
/* 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(en, "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(texture_tiling, bool, true)
DRI_CONF_DESC(en, "Enable texture tiling")
DRI_CONF_OPT_END
DRI_CONF_OPT_BEGIN(hiz, bool, true)
DRI_CONF_DESC(en, "Enable Hierarchical Z on gen6+")
DRI_CONF_OPT_END
DRI_CONF_OPT_BEGIN(early_z, bool, false)
DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).")
DRI_CONF_OPT_END
DRI_CONF_OPT_BEGIN(fragment_shader, bool, true)
DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.")
DRI_CONF_OPT_END
DRI_CONF_SECTION_END
DRI_CONF_SECTION_QUALITY
DRI_CONF_FORCE_S3TC_ENABLE(false)
DRI_CONF_ALLOW_LARGE_TEXTURES(2)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_DEBUG
DRI_CONF_NO_RAST(false)
DRI_CONF_ALWAYS_FLUSH_BATCH(false)
DRI_CONF_ALWAYS_FLUSH_CACHE(false)
DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN(false)
DRI_CONF_DISABLE_BLEND_FUNC_EXTENDED(false)
DRI_CONF_OPT_BEGIN(stub_occlusion_query, bool, false)
DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 915/945.")
DRI_CONF_OPT_END
DRI_CONF_OPT_BEGIN(shader_precompile, bool, true)
DRI_CONF_DESC(en, "Perform code generation at shader link time.")
DRI_CONF_OPT_END
DRI_CONF_SECTION_END
DRI_CONF_END;
const GLuint __driNConfigOptions = 15;
#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 "i915_drm.h"
#ifdef USE_NEW_INTERFACE
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
#endif /*USE_NEW_INTERFACE */
/**
* 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_ARGB8888:
case MESA_FORMAT_XRGB8888:
format = AUB_DUMP_BMP_FORMAT_ARGB_8888;
break;
default:
continue;
}
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 *
irb->mt->region->cpp,
0);
}
}
}
static const __DRItexBufferExtension intelTexBufferExtension = {
{ __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
intelSetTexBuffer,
intelSetTexBuffer2,
};
static void
intelDRI2Flush(__DRIdrawable *drawable)
{
GET_CURRENT_CONTEXT(ctx);
struct intel_context *intel = intel_context(ctx);
if (intel == NULL)
return;
if (intel->gen < 4)
INTEL_FIREVERTICES(intel);
intel_downsample_for_dri2_flush(intel, drawable);
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 = {
{ __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
intelDRI2Flush,
dri2InvalidateDrawable,
};
struct intel_image_format intel_image_formats[] = {
{ __DRI_IMAGE_FOURCC_ARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } },
{ __DRI_IMAGE_FOURCC_XRGB8888, __DRI_IMAGE_COMPONENTS_RGB, 1,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_XRGB8888, 4 }, } },
{ __DRI_IMAGE_FOURCC_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 } } },
{ __DRI_IMAGE_FOURCC_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 } } },
{ __DRI_IMAGE_FOURCC_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 } } },
{ __DRI_IMAGE_FOURCC_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 } } },
{ __DRI_IMAGE_FOURCC_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 } } },
{ __DRI_IMAGE_FOURCC_NV12, __DRI_IMAGE_COMPONENTS_Y_UV, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
{ 1, 1, 1, __DRI_IMAGE_FORMAT_GR88, 2 } } },
{ __DRI_IMAGE_FOURCC_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 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 and samples YUYV 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. */
{ __DRI_IMAGE_FOURCC_YUYV, __DRI_IMAGE_COMPONENTS_Y_XUXV, 2,
{ { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 },
{ 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } }
};
static __DRIimage *
intel_allocate_image(int dri_format, void *loaderPrivate)
{
__DRIimage *image;
image = CALLOC(sizeof *image);
if (image == NULL)
return NULL;
image->dri_format = dri_format;
image->offset = 0;
switch (dri_format) {
case __DRI_IMAGE_FORMAT_RGB565:
image->format = MESA_FORMAT_RGB565;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
image->format = MESA_FORMAT_XRGB8888;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
image->format = MESA_FORMAT_ARGB8888;
break;
case __DRI_IMAGE_FORMAT_ABGR8888:
image->format = MESA_FORMAT_RGBA8888_REV;
break;
case __DRI_IMAGE_FORMAT_XBGR8888:
image->format = MESA_FORMAT_RGBX8888_REV;
break;
case __DRI_IMAGE_FORMAT_R8:
image->format = MESA_FORMAT_R8;
break;
case __DRI_IMAGE_FORMAT_GR88:
image->format = MESA_FORMAT_GR88;
break;
case __DRI_IMAGE_FORMAT_NONE:
image->format = MESA_FORMAT_NONE;
break;
default:
free(image);
return NULL;
}
image->internal_format = _mesa_get_format_base_format(image->format);
image->data = loaderPrivate;
return image;
}
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->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, name, "image");
if (image->region == NULL) {
FREE(image);
return NULL;
}
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(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);
switch (image->format) {
case MESA_FORMAT_RGB565:
image->dri_format = __DRI_IMAGE_FORMAT_RGB565;
break;
case MESA_FORMAT_XRGB8888:
image->dri_format = __DRI_IMAGE_FORMAT_XRGB8888;
break;
case MESA_FORMAT_ARGB8888:
image->dri_format = __DRI_IMAGE_FORMAT_ARGB8888;
break;
case MESA_FORMAT_RGBA8888_REV:
image->dri_format = __DRI_IMAGE_FORMAT_ABGR8888;
break;
case MESA_FORMAT_R8:
image->dri_format = __DRI_IMAGE_FORMAT_R8;
break;
case MESA_FORMAT_RG88:
image->dri_format = __DRI_IMAGE_FORMAT_GR88;
break;
}
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;
}
image = intel_allocate_image(format, loaderPrivate);
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;
}
return image;
}
static GLboolean
intel_query_image(__DRIimage *image, int attrib, int *value)
{
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
*value = image->region->pitch * image->region->cpp;
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;
default:
return false;
}
}
static __DRIimage *
intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
{
__DRIimage *image;
image = CALLOC(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->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_from_planar(__DRIimage *parent, int plane, void *loaderPrivate)
{
int width, height, offset, stride, dri_format, cpp, index, pitch;
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);
cpp = _mesa_get_format_bytes(image->format); /* safe since no none format */
pitch = stride / cpp;
if (offset + height * cpp * pitch > 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 = pitch;
image->region->refcount = 1;
image->region->bo = parent->region->bo;
drm_intel_bo_reference(image->region->bo);
image->region->tiling = parent->region->tiling;
image->region->screen = parent->region->screen;
image->offset = offset;
intel_region_get_tile_masks(image->region, &mask_x, &mask_y, false);
if (offset & mask_x)
_mesa_warning(NULL,
"intel_create_sub_image: offset not on tile boundary");
return image;
}
static struct __DRIimageExtensionRec intelImageExtension = {
{ __DRI_IMAGE, 5 },
intel_create_image_from_name,
intel_create_image_from_renderbuffer,
intel_destroy_image,
intel_create_image,
intel_query_image,
intel_dup_image,
intel_validate_usage,
intel_create_image_from_names,
intel_from_planar
};
static const __DRIextension *intelScreenExtensions[] = {
&intelTexBufferExtension.base,
&intelFlushExtension.base,
&intelImageExtension.base,
&dri2ConfigQueryExtension.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
nop_callback(GLuint key, void *data, void *userData)
{
}
static void
intelDestroyScreen(__DRIscreen * sPriv)
{
struct intel_screen *intelScreen = sPriv->driverPrivate;
dri_bufmgr_destroy(intelScreen->bufmgr);
driDestroyOptionInfo(&intelScreen->optionCache);
/* Some regions may still have references to them at this point, so
* flush the hash table to prevent _mesa_DeleteHashTable() from
* complaining about the hash not being empty; */
_mesa_HashDeleteAll(intelScreen->named_regions, nop_callback, NULL);
_mesa_DeleteHashTable(intelScreen->named_regions);
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;
struct intel_screen *screen = (struct intel_screen*) driScrnPriv->driverPrivate;
gl_format rgbFormat;
unsigned num_samples = intel_quantize_num_samples(screen, mesaVis->samples);
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_RGB565;
else if (mesaVis->alphaBits == 0)
rgbFormat = MESA_FORMAT_XRGB8888;
else
rgbFormat = MESA_FORMAT_ARGB8888;
/* setup the hardware-based renderbuffers */
rb = intel_create_renderbuffer(rgbFormat, num_samples);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base.Base);
if (mesaVis->doubleBufferMode) {
rb = intel_create_renderbuffer(rgbFormat, num_samples);
_mesa_add_renderbuffer(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);
if (screen->hw_has_separate_stencil) {
rb = intel_create_private_renderbuffer(MESA_FORMAT_X8_Z24,
num_samples);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base);
rb = intel_create_private_renderbuffer(MESA_FORMAT_S8,
num_samples);
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base.Base);
} else {
/*
* Use combined depth/stencil. Note that the renderbuffer is
* attached to two attachment points.
*/
rb = intel_create_private_renderbuffer(MESA_FORMAT_S8_Z24,
num_samples);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &rb->Base.Base);
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, &rb->Base.Base);
}
}
else if (mesaVis->depthBits == 16) {
assert(mesaVis->stencilBits == 0);
rb = intel_create_private_renderbuffer(MESA_FORMAT_Z16,
num_samples);
_mesa_add_renderbuffer(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(const struct gl_config *mesaVis,
__DRIcontext *driContextPriv,
void *sharedContextPrivate);
extern bool
i915CreateContext(int api,
const struct gl_config *mesaVis,
__DRIcontext *driContextPriv,
unsigned major_version,
unsigned minor_version,
unsigned *error,
void *sharedContextPrivate);
extern bool
brwCreateContext(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,
unsigned major_version,
unsigned minor_version,
uint32_t flags,
unsigned *error,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->driverPrivate;
bool success = false;
#ifdef I915
if (IS_9XX(intelScreen->deviceID)) {
success = i915CreateContext(api, mesaVis, driContextPriv,
major_version, minor_version, error,
sharedContextPrivate);
} else {
switch (api) {
case API_OPENGL:
if (major_version > 1 || minor_version > 3) {
*error = __DRI_CTX_ERROR_BAD_VERSION;
success = false;
}
break;
case API_OPENGLES:
break;
default:
*error = __DRI_CTX_ERROR_BAD_API;
success = false;
}
if (success) {
intelScreen->no_vbo = true;
success = i830CreateContext(mesaVis, driContextPriv,
sharedContextPrivate);
if (!success)
*error = __DRI_CTX_ERROR_NO_MEMORY;
}
}
#else
success = brwCreateContext(api, mesaVis,
driContextPriv,
major_version, minor_version, flags,
error, sharedContextPrivate);
#endif
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;
int num_fences = 0;
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;
}
if (!intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences) ||
num_fences == 0) {
fprintf(stderr, "[%s: %u] Kernel 2.6.29 required.\n", __func__, __LINE__);
return false;
}
drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
intelScreen->named_regions = _mesa_NewHashTable();
intelScreen->relaxed_relocations = 0;
intelScreen->relaxed_relocations |=
intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA) << 0;
return true;
}
/**
* Override intel_screen.hw_has_separate_stencil with environment variable
* INTEL_SEPARATE_STENCIL.
*
* Valid values for INTEL_SEPARATE_STENCIL are "0" and "1". If an invalid
* valid value is encountered, a warning is emitted and INTEL_SEPARATE_STENCIL
* is ignored.
*/
static void
intel_override_separate_stencil(struct intel_screen *screen)
{
const char *s = getenv("INTEL_SEPARATE_STENCIL");
if (!s) {
return;
} else if (!strncmp("0", s, 2)) {
screen->hw_has_separate_stencil = false;
} else if (!strncmp("1", s, 2)) {
screen->hw_has_separate_stencil = true;
} else {
fprintf(stderr,
"warning: env variable INTEL_SEPARATE_STENCIL=\"%s\" has "
"invalid value and is ignored", s);
}
}
static bool
intel_detect_swizzling(struct intel_screen *screen)
{
drm_intel_bo *buffer;
unsigned long flags = 0;
unsigned long aligned_pitch;
uint32_t tiling = I915_TILING_X;
uint32_t swizzle_mode = 0;
buffer = drm_intel_bo_alloc_tiled(screen->bufmgr, "swizzle test",
64, 64, 4,
&tiling, &aligned_pitch, flags);
if (buffer == NULL)
return false;
drm_intel_bo_get_tiling(buffer, &tiling, &swizzle_mode);
drm_intel_bo_unreference(buffer);
if (swizzle_mode == I915_BIT_6_SWIZZLE_NONE)
return false;
else
return true;
}
static __DRIconfig**
intel_screen_make_configs(__DRIscreen *dri_screen)
{
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
static const uint8_t singlesample_samples[1] = {0};
static const uint8_t multisample_samples[2] = {4, 8};
struct intel_screen *screen = dri_screen->driverPrivate;
GLenum fb_format[3];
GLenum fb_type[3];
uint8_t depth_bits[4], stencil_bits[4];
__DRIconfig **configs = NULL;
fb_format[0] = GL_RGB;
fb_type[0] = GL_UNSIGNED_SHORT_5_6_5;
fb_format[1] = GL_BGR;
fb_type[1] = GL_UNSIGNED_INT_8_8_8_8_REV;
fb_format[2] = GL_BGRA;
fb_type[2] = GL_UNSIGNED_INT_8_8_8_8_REV;
/* Generate singlesample configs without accumulation buffer. */
for (int i = 0; i < ARRAY_SIZE(fb_format); i++) {
__DRIconfig **new_configs;
const 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. This isn't yet supported here.
*/
depth_bits[0] = 0;
stencil_bits[0] = 0;
if (fb_type[i] == GL_UNSIGNED_SHORT_5_6_5) {
depth_bits[1] = 16;
stencil_bits[1] = 0;
} else {
depth_bits[1] = 24;
stencil_bits[1] = 8;
}
new_configs = driCreateConfigs(fb_format[i], fb_type[i],
depth_bits,
stencil_bits,
num_depth_stencil_bits,
back_buffer_modes,
ARRAY_SIZE(back_buffer_modes),
singlesample_samples, 1,
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(fb_format); i++) {
__DRIconfig **new_configs;
if (fb_type[i] == GL_UNSIGNED_SHORT_5_6_5) {
depth_bits[0] = 16;
stencil_bits[0] = 0;
} else {
depth_bits[0] = 24;
stencil_bits[0] = 8;
}
new_configs = driCreateConfigs(fb_format[i], fb_type[i],
depth_bits, stencil_bits, 1,
back_buffer_modes + 1, 1,
singlesample_samples, 1,
true);
configs = driConcatConfigs(configs, new_configs);
}
/* Generate multisample configs.
*
* This loop breaks early, and hence is a no-op, on gen < 6.
*
* Multisample configs must follow the singlesample configs in order to
* work around an X server bug present in 1.12. The X server chooses to
* associate the first listed RGBA888-Z24S8 config, regardless of its
* sample count, with the 32-bit depth visual used for compositing.
*
* Only doublebuffer configs with GLX_SWAP_UNDEFINED_OML behavior are
* supported. Singlebuffer configs are not supported because no one wants
* them. GLX_SWAP_COPY_OML is not supported due to page flipping.
*/
for (int i = 0; i < ARRAY_SIZE(fb_format); i++) {
if (screen->gen < 6)
break;
__DRIconfig **new_configs;
const int num_depth_stencil_bits = 2;
int num_msaa_modes = 0;
depth_bits[0] = 0;
stencil_bits[0] = 0;
if (fb_type[i] == GL_UNSIGNED_SHORT_5_6_5) {
depth_bits[1] = 16;
stencil_bits[1] = 0;
} else {
depth_bits[1] = 24;
stencil_bits[1] = 8;
}
if (screen->gen >= 7)
num_msaa_modes = 2;
else if (screen->gen == 6)
num_msaa_modes = 1;
new_configs = driCreateConfigs(fb_format[i], fb_type[i],
depth_bits,
stencil_bits,
num_depth_stencil_bits,
back_buffer_modes + 1, 1,
multisample_samples,
num_msaa_modes,
false);
configs = driConcatConfigs(configs, new_configs);
}
if (configs == NULL) {
fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
__LINE__);
return NULL;
}
return configs;
}
/**
* 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;
unsigned int api_mask;
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(sizeof *intelScreen);
if (!intelScreen) {
fprintf(stderr, "\nERROR! Allocating private area failed\n");
return false;
}
/* parse information in __driConfigOptions */
driParseOptionInfo(&intelScreen->optionCache,
__driConfigOptions, __driNConfigOptions);
intelScreen->driScrnPriv = psp;
psp->driverPrivate = (void *) intelScreen;
if (!intel_init_bufmgr(intelScreen))
return false;
intelScreen->deviceID = drm_intel_bufmgr_gem_get_devid(intelScreen->bufmgr);
intelScreen->kernel_has_gen7_sol_reset =
intel_get_boolean(intelScreen->driScrnPriv,
I915_PARAM_HAS_GEN7_SOL_RESET);
if (IS_GEN7(intelScreen->deviceID)) {
intelScreen->gen = 7;
} else if (IS_GEN6(intelScreen->deviceID)) {
intelScreen->gen = 6;
} else if (IS_GEN5(intelScreen->deviceID)) {
intelScreen->gen = 5;
} else if (IS_965(intelScreen->deviceID)) {
intelScreen->gen = 4;
} else if (IS_9XX(intelScreen->deviceID)) {
intelScreen->gen = 3;
} else {
intelScreen->gen = 2;
}
intelScreen->hw_has_separate_stencil = intelScreen->gen >= 6;
intelScreen->hw_must_use_separate_stencil = intelScreen->gen >= 7;
int has_llc = 0;
bool success = intel_get_param(intelScreen->driScrnPriv, I915_PARAM_HAS_LLC,
&has_llc);
if (success && has_llc)
intelScreen->hw_has_llc = true;
else if (!success && intelScreen->gen >= 6)
intelScreen->hw_has_llc = true;
intel_override_separate_stencil(intelScreen);
api_mask = (1 << __DRI_API_OPENGL);
#if FEATURE_ES1
api_mask |= (1 << __DRI_API_GLES);
#endif
#if FEATURE_ES2
api_mask |= (1 << __DRI_API_GLES2);
#endif
if (IS_9XX(intelScreen->deviceID) || IS_965(intelScreen->deviceID))
psp->api_mask = api_mask;
intelScreen->hw_has_swizzling = intel_detect_swizzling(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(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 * intelBuffer->region->cpp;
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);
}
const struct __DriverAPIRec driDriverAPI = {
.InitScreen = intelInitScreen2,
.DestroyScreen = intelDestroyScreen,
.CreateContext = intelCreateContext,
.DestroyContext = intelDestroyContext,
.CreateBuffer = intelCreateBuffer,
.DestroyBuffer = intelDestroyBuffer,
.MakeCurrent = intelMakeCurrent,
.UnbindContext = intelUnbindContext,
.AllocateBuffer = intelAllocateBuffer,
.ReleaseBuffer = intelReleaseBuffer
};
/* This is the table of extensions that the loader will dlsym() for. */
PUBLIC const __DRIextension *__driDriverExtensions[] = {
&driCoreExtension.base,
&driDRI2Extension.base,
NULL
};