/**************************************************************************
*
* Copyright 2009, VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Author: Keith Whitwell <keithw@vmware.com>
* Author: Jakob Bornecrantz <wallbraker@gmail.com>
*/
#include "utils.h"
#include "xmlpool.h"
#include "dri_screen.h"
#include "util/u_inlines.h"
#include "pipe/p_screen.h"
#include "pipe/p_format.h"
#include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
#include "util/u_debug.h"
#define MSAA_VISUAL_MAX_SAMPLES 8
#undef false
PUBLIC const char __driConfigOptions[] =
DRI_CONF_BEGIN
DRI_CONF_SECTION_PERFORMANCE
DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_QUALITY
/* DRI_CONF_FORCE_S3TC_ENABLE(false) */
DRI_CONF_ALLOW_LARGE_TEXTURES(1)
DRI_CONF_PP_CELSHADE(0)
DRI_CONF_PP_NORED(0)
DRI_CONF_PP_NOGREEN(0)
DRI_CONF_PP_NOBLUE(0)
DRI_CONF_PP_JIMENEZMLAA(0, 0, 32)
DRI_CONF_PP_JIMENEZMLAA_COLOR(0, 0, 32)
DRI_CONF_SECTION_END
DRI_CONF_SECTION_DEBUG
DRI_CONF_FORCE_GLSL_EXTENSIONS_WARN(false)
DRI_CONF_SECTION_END
DRI_CONF_END;
#define false 0
static const uint __driNConfigOptions = 10;
static const __DRIconfig **
dri_fill_in_modes(struct dri_screen *screen,
unsigned pixel_bits)
{
__DRIconfig **configs = NULL;
__DRIconfig **configs_r5g6b5 = NULL;
__DRIconfig **configs_a8r8g8b8 = NULL;
__DRIconfig **configs_x8r8g8b8 = NULL;
uint8_t depth_bits_array[5];
uint8_t stencil_bits_array[5];
uint8_t msaa_samples_array[MSAA_VISUAL_MAX_SAMPLES];
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
unsigned msaa_samples_factor, msaa_samples_max;
unsigned i;
struct pipe_screen *p_screen = screen->base.screen;
boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
static const GLenum back_buffer_modes[] = {
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
depth_bits_array[0] = 0;
stencil_bits_array[0] = 0;
depth_buffer_factor = 1;
msaa_samples_max = (screen->st_api->feature_mask & ST_API_FEATURE_MS_VISUALS)
? MSAA_VISUAL_MAX_SAMPLES : 1;
pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_UINT_Z24_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET);
pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET);
pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET);
/* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
if (dri_with_format(screen->sPriv)) {
pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_DEPTH_STENCIL);
} else {
pf_z16 = FALSE;
pf_z32 = FALSE;
}
if (pf_z16) {
depth_bits_array[depth_buffer_factor] = 16;
stencil_bits_array[depth_buffer_factor++] = 0;
}
if (pf_x8z24 || pf_z24x8) {
depth_bits_array[depth_buffer_factor] = 24;
stencil_bits_array[depth_buffer_factor++] = 0;
screen->d_depth_bits_last = pf_x8z24;
}
if (pf_s8z24 || pf_z24s8) {
depth_bits_array[depth_buffer_factor] = 24;
stencil_bits_array[depth_buffer_factor++] = 8;
screen->sd_depth_bits_last = pf_s8z24;
}
if (pf_z32) {
depth_bits_array[depth_buffer_factor] = 32;
stencil_bits_array[depth_buffer_factor++] = 0;
}
msaa_samples_array[0] = 0;
back_buffer_factor = 3;
/* Also test for color multisample support - just assume it'll work
* for all depth buffers.
*/
if (pf_r5g6b5) {
msaa_samples_factor = 1;
for (i = 2; i <= msaa_samples_max; i++) {
if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
PIPE_TEXTURE_2D, i,
PIPE_BIND_RENDER_TARGET)) {
msaa_samples_array[msaa_samples_factor] = i;
msaa_samples_factor++;
}
}
configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
depth_bits_array, stencil_bits_array,
depth_buffer_factor, back_buffer_modes,
back_buffer_factor,
msaa_samples_array, msaa_samples_factor,
GL_TRUE);
}
if (pf_a8r8g8b8) {
msaa_samples_factor = 1;
for (i = 2; i <= msaa_samples_max; i++) {
if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_TEXTURE_2D, i,
PIPE_BIND_RENDER_TARGET)) {
msaa_samples_array[msaa_samples_factor] = i;
msaa_samples_factor++;
}
}
configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
depth_bits_array,
stencil_bits_array,
depth_buffer_factor,
back_buffer_modes,
back_buffer_factor,
msaa_samples_array,
msaa_samples_factor,
GL_TRUE);
}
if (pf_x8r8g8b8) {
msaa_samples_factor = 1;
for (i = 2; i <= msaa_samples_max; i++) {
if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_TEXTURE_2D, i,
PIPE_BIND_RENDER_TARGET)) {
msaa_samples_array[msaa_samples_factor] = i;
msaa_samples_factor++;
}
}
configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
depth_bits_array,
stencil_bits_array,
depth_buffer_factor,
back_buffer_modes,
back_buffer_factor,
msaa_samples_array,
msaa_samples_factor,
GL_TRUE);
}
if (pixel_bits == 16) {
configs = configs_r5g6b5;
configs = driConcatConfigs(configs, configs_a8r8g8b8);
configs = driConcatConfigs(configs, configs_x8r8g8b8);
} else {
configs = configs_a8r8g8b8;
configs = driConcatConfigs(configs, configs_x8r8g8b8);
configs = driConcatConfigs(configs, configs_r5g6b5);
}
if (configs == NULL) {
debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
return NULL;
}
return (const __DRIconfig **)configs;
}
/**
* Roughly the converse of dri_fill_in_modes.
*/
void
dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
const struct gl_config *mode)
{
memset(stvis, 0, sizeof(*stvis));
if (!mode)
return;
stvis->samples = mode->samples;
if (mode->redBits == 8) {
if (mode->alphaBits == 8)
stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
else
stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
} else {
stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
}
switch (mode->depthBits) {
default:
case 0:
stvis->depth_stencil_format = PIPE_FORMAT_NONE;
break;
case 16:
stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
break;
case 24:
if (mode->stencilBits == 0) {
stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
PIPE_FORMAT_Z24X8_UNORM:
PIPE_FORMAT_X8Z24_UNORM;
} else {
stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
PIPE_FORMAT_Z24_UNORM_S8_UINT:
PIPE_FORMAT_S8_UINT_Z24_UNORM;
}
break;
case 32:
stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
break;
}
stvis->accum_format = (mode->haveAccumBuffer) ?
PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
if (mode->doubleBufferMode) {
stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
}
if (mode->stereoMode) {
stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
if (mode->doubleBufferMode)
stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
}
if (mode->haveDepthBuffer || mode->haveStencilBuffer)
stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
/* let the state tracker allocate the accum buffer */
}
static boolean
dri_get_egl_image(struct st_manager *smapi,
void *egl_image,
struct st_egl_image *stimg)
{
struct dri_screen *screen = (struct dri_screen *)smapi;
__DRIimage *img = NULL;
if (screen->lookup_egl_image) {
img = screen->lookup_egl_image(screen, egl_image);
}
if (!img)
return FALSE;
stimg->texture = NULL;
pipe_resource_reference(&stimg->texture, img->texture);
stimg->level = img->level;
stimg->layer = img->layer;
return TRUE;
}
static int
dri_get_param(struct st_manager *smapi,
enum st_manager_param param)
{
struct dri_screen *screen = (struct dri_screen *)smapi;
switch(param) {
case ST_MANAGER_BROKEN_INVALIDATE:
return screen->broken_invalidate;
default:
return 0;
}
}
static void
dri_destroy_option_cache(struct dri_screen * screen)
{
int i;
if (screen->optionCache.info) {
for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
FREE(screen->optionCache.info[i].name);
FREE(screen->optionCache.info[i].ranges);
}
FREE(screen->optionCache.info);
}
FREE(screen->optionCache.values);
}
void
dri_destroy_screen_helper(struct dri_screen * screen)
{
if (screen->st_api && screen->st_api->destroy)
screen->st_api->destroy(screen->st_api);
if (screen->base.screen)
screen->base.screen->destroy(screen->base.screen);
dri_destroy_option_cache(screen);
}
void
dri_destroy_screen(__DRIscreen * sPriv)
{
struct dri_screen *screen = dri_screen(sPriv);
dri_destroy_screen_helper(screen);
FREE(screen);
sPriv->driverPrivate = NULL;
sPriv->extensions = NULL;
}
const __DRIconfig **
dri_init_screen_helper(struct dri_screen *screen,
struct pipe_screen *pscreen,
unsigned pixel_bits)
{
screen->base.screen = pscreen;
if (!screen->base.screen) {
debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
return NULL;
}
screen->base.get_egl_image = dri_get_egl_image;
screen->base.get_param = dri_get_param;
screen->st_api = st_gl_api_create();
if (!screen->st_api)
return NULL;
if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
screen->target = PIPE_TEXTURE_2D;
else
screen->target = PIPE_TEXTURE_RECT;
driParseOptionInfo(&screen->optionCache,
__driConfigOptions, __driNConfigOptions);
return dri_fill_in_modes(screen, pixel_bits);
}
/* vim: set sw=3 ts=8 sts=3 expandtab: */