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9ec0b2a45e18c045fd3dbcdf846fad7faf97494c
third_party_mesa3d/src/mesa/drivers/dri/intel/intel_screen.c
Kristian Høgsberg 9ec0b2a45e dri2: Make createImageFromName() take a __DRIscreen instead of __DRIcontext 
We can't expect to have a context when this is called, and we don't need one
so just require a __DRIscreen instead.

Reported by Yu Dai <yu.dai@intel.com>
2010-09-22 15:08:22 -04:00

644 lines
18 KiB
C
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/**************************************************************************
*
* 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 "main/glheader.h"
#include "main/context.h"
#include "main/framebuffer.h"
#include "main/renderbuffer.h"
#include "main/hash.h"
#include "main/fbobject.h"
#include "utils.h"
#include "xmlpool.h"
#include "intel_batchbuffer.h"
#include "intel_buffers.h"
#include "intel_bufmgr.h"
#include "intel_chipset.h"
#include "intel_fbo.h"
#include "intel_screen.h"
#include "intel_tex.h"
#include "intel_regions.h"
#include "i915_drm.h"
#define DRI_CONF_TEXTURE_TILING(def) \
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(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_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_SECTION_END
DRI_CONF_END;
const GLuint __driNConfigOptions = 11;
#ifdef USE_NEW_INTERFACE
static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;
#endif /*USE_NEW_INTERFACE */
static const __DRItexBufferExtension intelTexBufferExtension = {
{ __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
intelSetTexBuffer,
intelSetTexBuffer2,
};
static void
intelDRI2Flush(__DRIdrawable *drawable)
{
struct intel_context *intel = drawable->driContextPriv->driverPrivate;
if (intel->gen < 4)
INTEL_FIREVERTICES(intel);
intel->need_throttle = GL_TRUE;
if (intel->batch->map != intel->batch->ptr)
intel_batchbuffer_flush(intel->batch);
}
static const struct __DRI2flushExtensionRec intelFlushExtension = {
{ __DRI2_FLUSH, __DRI2_FLUSH_VERSION },
intelDRI2Flush,
dri2InvalidateDrawable,
};
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->private;
__DRIimage *image;
int cpp;
image = CALLOC(sizeof *image);
if (image == NULL)
return NULL;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
image->format = MESA_FORMAT_RGB565;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
image->format = MESA_FORMAT_XRGB8888;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
image->format = MESA_FORMAT_ARGB8888;
image->internal_format = GL_RGBA;
image->data_type = GL_UNSIGNED_BYTE;
break;
default:
free(image);
return NULL;
}
image->data = loaderPrivate;
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->data_type = rb->DataType;
image->data = loaderPrivate;
intel_region_reference(&image->region, irb->region);
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->private;
int cpp;
image = CALLOC(sizeof *image);
if (image == NULL)
return NULL;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
image->format = MESA_FORMAT_RGB565;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
image->format = MESA_FORMAT_XRGB8888;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
image->format = MESA_FORMAT_ARGB8888;
image->internal_format = GL_RGBA;
image->data_type = GL_UNSIGNED_BYTE;
break;
default:
free(image);
return NULL;
}
image->data = loaderPrivate;
cpp = _mesa_get_format_bytes(image->format);
image->region =
intel_region_alloc(intelScreen, I915_TILING_NONE,
cpp, width, height, GL_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 GL_TRUE;
case __DRI_IMAGE_ATTRIB_HANDLE:
*value = image->region->buffer->handle;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_NAME:
return intel_region_flink(image->region, (uint32_t *) value);
default:
return GL_FALSE;
}
}
static struct __DRIimageExtensionRec intelImageExtension = {
{ __DRI_IMAGE, __DRI_IMAGE_VERSION },
intel_create_image_from_name,
intel_create_image_from_renderbuffer,
intel_destroy_image,
intel_create_image,
intel_query_image
};
static const __DRIextension *intelScreenExtensions[] = {
&driReadDrawableExtension,
&intelTexBufferExtension.base,
&intelFlushExtension.base,
&intelImageExtension.base,
&dri2ConfigQueryExtension.base,
NULL
};
static GLboolean
intel_get_param(__DRIscreen *psp, int param, int *value)
{
int ret;
struct drm_i915_getparam gp;
gp.param = param;
gp.value = value;
ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp));
if (ret) {
_mesa_warning(NULL, "drm_i915_getparam: %d", ret);
return GL_FALSE;
}
return GL_TRUE;
}
static void
nop_callback(GLuint key, void *data, void *userData)
{
}
static void
intelDestroyScreen(__DRIscreen * sPriv)
{
struct intel_screen *intelScreen = sPriv->private;
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->private = 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 __GLcontextModes * mesaVis, GLboolean isPixmap)
{
struct intel_renderbuffer *rb;
if (isPixmap) {
return GL_FALSE; /* not implemented */
}
else {
GLboolean swStencil = (mesaVis->stencilBits > 0 &&
mesaVis->depthBits != 24);
gl_format rgbFormat;
struct gl_framebuffer *fb = CALLOC_STRUCT(gl_framebuffer);
if (!fb)
return GL_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);
_mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base);
if (mesaVis->doubleBufferMode) {
rb = intel_create_renderbuffer(rgbFormat);
_mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base);
}
if (mesaVis->depthBits == 24) {
assert(mesaVis->stencilBits == 8);
/* combined depth/stencil buffer */
struct intel_renderbuffer *depthStencilRb
= intel_create_renderbuffer(MESA_FORMAT_S8_Z24);
/* note: bind RB to two attachment points */
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthStencilRb->Base);
_mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->Base);
}
else if (mesaVis->depthBits == 16) {
/* just 16-bit depth buffer, no hw stencil */
struct intel_renderbuffer *depthRb
= intel_create_renderbuffer(MESA_FORMAT_Z16);
_mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
}
/* now add any/all software-based renderbuffers we may need */
_mesa_add_soft_renderbuffers(fb,
GL_FALSE, /* never sw color */
GL_FALSE, /* never sw depth */
swStencil, mesaVis->accumRedBits > 0,
GL_FALSE, /* never sw alpha */
GL_FALSE /* never sw aux */ );
driDrawPriv->driverPrivate = fb;
return GL_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 GLboolean i830CreateContext(const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate);
extern GLboolean i915CreateContext(int api,
const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate);
extern GLboolean brwCreateContext(int api,
const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate);
static GLboolean
intelCreateContext(gl_api api,
const __GLcontextModes * mesaVis,
__DRIcontext * driContextPriv,
void *sharedContextPrivate)
{
__DRIscreen *sPriv = driContextPriv->driScreenPriv;
struct intel_screen *intelScreen = sPriv->private;
#ifdef I915
if (IS_9XX(intelScreen->deviceID)) {
if (!IS_965(intelScreen->deviceID)) {
return i915CreateContext(api, mesaVis, driContextPriv,
sharedContextPrivate);
}
} else {
intelScreen->no_vbo = GL_TRUE;
return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate);
}
#else
if (IS_965(intelScreen->deviceID))
return brwCreateContext(api, mesaVis,
driContextPriv, sharedContextPrivate);
#endif
fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID);
return GL_FALSE;
}
static GLboolean
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);
/* Otherwise, use the classic buffer manager. */
if (intelScreen->bufmgr == NULL) {
fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n",
__func__, __LINE__);
return GL_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 GL_FALSE;
}
drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
intelScreen->named_regions = _mesa_NewHashTable();
return GL_TRUE;
}
/**
* This is the driver specific part of the createNewScreen entry point.
* Called when using DRI2.
*
* \return the __GLcontextModes supported by this driver
*/
static const
__DRIconfig **intelInitScreen2(__DRIscreen *psp)
{
struct intel_screen *intelScreen;
GLenum fb_format[3];
GLenum fb_type[3];
unsigned int api_mask;
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1];
int color;
__DRIconfig **configs = NULL;
/* Allocate the private area */
intelScreen = CALLOC(sizeof *intelScreen);
if (!intelScreen) {
fprintf(stderr, "\nERROR! Allocating private area failed\n");
return GL_FALSE;
}
/* parse information in __driConfigOptions */
driParseOptionInfo(&intelScreen->optionCache,
__driConfigOptions, __driNConfigOptions);
intelScreen->driScrnPriv = psp;
psp->private = (void *) intelScreen;
/* Determine chipset ID */
if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID,
&intelScreen->deviceID))
return GL_FALSE;
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;
if (!intel_init_bufmgr(intelScreen))
return GL_FALSE;
psp->extensions = intelScreenExtensions;
msaa_samples_array[0] = 0;
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;
depth_bits[0] = 0;
stencil_bits[0] = 0;
/* Generate a rich set of useful configs that do not include an
* accumulation buffer.
*/
for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
__DRIconfig **new_configs;
int depth_factor;
/* Starting with DRI2 protocol version 1.1 we can request a depth/stencil
* buffer that has a diffferent number of bits per pixel than the color
* buffer. This isn't yet supported here.
*/
if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) {
depth_bits[1] = 16;
stencil_bits[1] = 0;
} else {
depth_bits[1] = 24;
stencil_bits[1] = 8;
}
depth_factor = 2;
new_configs = driCreateConfigs(fb_format[color], fb_type[color],
depth_bits,
stencil_bits,
depth_factor,
back_buffer_modes,
ARRAY_SIZE(back_buffer_modes),
msaa_samples_array,
ARRAY_SIZE(msaa_samples_array),
GL_FALSE);
if (configs == NULL)
configs = new_configs;
else
configs = driConcatConfigs(configs, new_configs);
}
/* Generate the minimum possible set of configs that include an
* accumulation buffer.
*/
for (color = 0; color < ARRAY_SIZE(fb_format); color++) {
__DRIconfig **new_configs;
if (fb_type[color] == 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[color], fb_type[color],
depth_bits, stencil_bits, 1,
back_buffer_modes + 1, 1,
msaa_samples_array, 1,
GL_TRUE);
if (configs == NULL)
configs = new_configs;
else
configs = driConcatConfigs(configs, new_configs);
}
if (configs == NULL) {
fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__,
__LINE__);
return NULL;
}
return (const __DRIconfig **)configs;
}
const struct __DriverAPIRec driDriverAPI = {
.DestroyScreen = intelDestroyScreen,
.CreateContext = intelCreateContext,
.DestroyContext = intelDestroyContext,
.CreateBuffer = intelCreateBuffer,
.DestroyBuffer = intelDestroyBuffer,
.MakeCurrent = intelMakeCurrent,
.UnbindContext = intelUnbindContext,
.InitScreen2 = intelInitScreen2,
};
/* This is the table of extensions that the loader will dlsym() for. */
PUBLIC const __DRIextension *__driDriverExtensions[] = {
&driCoreExtension.base,
&driDRI2Extension.base,
NULL
};
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