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sdk: new pixlib. Now with OpenGL taste.

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git-svn-id: svn://kolibrios.org@5371 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2015-01-15 05:49:40 +00:00
parent 2d2c139857
commit 3287cff0b2
8 changed files with 1305 additions and 0 deletions
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55
contrib/sdk/sources/pixlib-3/Makefile Normal file
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LIBRARY= pixlib3
CC = kos32-gcc
AR = kos32-ar
LD = kos32-ld
STRIP = kos32-strip
ARFLAGS = crs
CFLAGS = -U_Win32 -U_WIN32 -U__MINGW32__ -c -O2 -fno-ident -fomit-frame-pointer
LDFLAGS:= -shared -s -nostdlib -Map px.map -T ../newlib/dll.lds --entry _DllStartup --image-base=0
LDFLAGS+= --file-alignment 256
INCLUDES= -I. -I../newlib/libc/include
PXGL_INCLUDES= $(INCLUDES) -I../libdrm/intel -I../libdrm/include
PXGL_INCLUDES+= -I ../Mesa/include -I../Mesa/src/gbm/main
LIBPATH:= -L../../lib -L/home/autobuild/tools/win32/mingw32/lib
LIBS:= -ldll -legl.dll -lGL.dll -lc.dll -lgcc
#LIBS+= -ldrm.dll
DEFINES:= -DNDEBUG
PXGL_DEFINES:= $(DEFINES) -D__unix__ -DMESA_EGL_NO_X11_HEADERS
SRC_PIXLIB = pixlib3.c
SRC_PXGL = egl.c pxgl.c
OBJ_PIXLIB = $(patsubst %.c, %.o, $(SRC_PIXLIB))
OBJ_PXGL = $(patsubst %.c, %.o, $(SRC_PXGL))
# targets
all: lib$(LIBRARY).a pixlib-gl.dll
lib$(LIBRARY).a: $(OBJ_PIXLIB) Makefile
$(AR) $(ARFLAGS) lib$(LIBRARY).a $(OBJ_PIXLIB)
mv -f lib$(LIBRARY).a ../../lib
pixlib-gl.dll: $(OBJ_PXGL) Makefile
$(LD) $(LDFLAGS) $(PXFLAGS) $(LIBPATH) -o $@ $(OBJ_PXGL) $(LIBS)
mv -f $@ ../../bin
pixlib3.o : pixlib3.c Makefile
$(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -o $@ $<
%.o : %.c Makefile
$(CC) $(CFLAGS) $(PXGL_DEFINES) $(PXGL_INCLUDES) -o $@ $<
clean:
-rm -f *.o

116
contrib/sdk/sources/pixlib-3/egl.c Normal file
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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <drm/i915_drm.h>
#include <kos32sys.h>
#define EGL_EGLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#include "EGL/egl.h"
#include "EGL/eglext.h"
#include "GL/gl.h"
#include "gbm.h"
#include "pxgl.h"
static struct gbm_device *gbm;
static EGLConfig choose_config(EGLDisplay *dpy)
{
EGLConfig config = NULL;
EGLint config_attribs[32];
EGLint num_configs, i;
i = 0;
config_attribs[i++] = EGL_RED_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_GREEN_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_BLUE_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_DEPTH_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_SURFACE_TYPE;
config_attribs[i++] = EGL_WINDOW_BIT;
config_attribs[i++] = EGL_RENDERABLE_TYPE;
config_attribs[i++] = EGL_OPENGL_BIT;
config_attribs[i] = EGL_NONE;
eglChooseConfig(dpy, config_attribs, &config, 1, &num_configs);
return config;
};
int egl_initialize(EGLDisplay *dpy, EGLConfig *config, EGLContext *context)
{
EGLint major, minor;
int fd;
fd = get_service("DISPLAY");
if(fd == 0)
return -1;
gbm = gbm_create_device(fd);
if( gbm == NULL)
{
DBG("failed to initialize GBM device\n");
goto err_0;
};
*dpy = eglGetDisplay(gbm);
if (!eglInitialize(*dpy, &major, &minor))
{
DBG("failed to initialize EGL display\n");
goto err_1;
};
DBG("EGL_VERSION = %s\n", eglQueryString(*dpy, EGL_VERSION));
DBG("EGL_VENDOR = %s\n", eglQueryString(*dpy, EGL_VENDOR));
DBG("EGL_EXTENSIONS = %s\n", eglQueryString(*dpy, EGL_EXTENSIONS));
DBG("EGL_CLIENT_APIS = %s\n", eglQueryString(*dpy, EGL_CLIENT_APIS));
*config = choose_config(*dpy);
if( *config == NULL)
{
DBG("failed to choose a config\n");
goto err_2;
};
eglBindAPI(EGL_OPENGL_API);
*context = eglCreateContext(*dpy, *config, EGL_NO_CONTEXT, NULL);
if (context == NULL)
{
DBG("failed to create context\n");
goto err_2;
};
if (!eglMakeCurrent(*dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, *context))
{
DBG("failed to make context current");
goto err_3;
};
return 0;
err_3:
eglDestroyContext(*dpy, *context);
err_2:
eglTerminate(*dpy);
err_1:
gbm_device_destroy(gbm);
err_0:
return -1;
};
void egl_destroy(EGLDisplay dpy, EGLContext context)
{
eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(dpy, context);
eglTerminate(dpy);
gbm_device_destroy(gbm);
};

18
contrib/sdk/sources/pixlib-3/pixdriver.h Normal file
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#ifndef __PIXDRIVER_H__
#define __PIXDRIVER_H__
struct pix_driver
{
uint32_t driver_caps;
bitmap_t *(*create_bitmap)(uint32_t width, uint32_t height);
int (*destroy_bitmap)(bitmap_t *bitmap);
void *(*lock_bitmap)(bitmap_t *bitmap, uint32_t *pitch);
int (*resize_bitmap)(bitmap_t *bitmap, uint32_t width, uint32_t height);
int (*blit_bitmap)(bitmap_t * bitmap, int dst_x, int dst_y,
uint32_t w, uint32_t h, int src_x, int src_y);
int (*create_client)(int x, int y, uint32_t width, uint32_t height);
int (*resize_client)(int x, int y, uint32_t width, uint32_t height);
void (*fini)(void);
};
#endif

17
contrib/sdk/sources/pixlib-3/pixlib.ver Normal file
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@ -0,0 +1,17 @@
LIBDRM {
global: DllStartup;
init_pixlib;
done_pixlib;
create_bitmap;
resize_bitmap;
destroy_bitmap;
lock_bitmap;
blit_bitmap;
local: __chkstk;
__chkstk_ms;
_alloca;
__uxa_lock;
_nm__tls_alloc;
*;
};

264
contrib/sdk/sources/pixlib-3/pixlib3.c Normal file
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#include <stdio.h>
#include <malloc.h>
#include <stdbool.h>
#include <kos32sys.h>
#include "pixlib3.h"
#include "pixdriver.h"
#define DISPLAY_VERSION 0x0200 /* 2.00 */
#define SRV_GETVERSION 0
#define SRV_GET_CAPS 3
#define BUFFER_SIZE(n) ((n)*sizeof(uint32_t))
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
struct bitmap
{
uint32_t width;
uint32_t height;
uint32_t pitch;
void *buffer;
uint32_t size;
};
static uint32_t fd;
static struct pix_driver *driver;
static bitmap_t *sw_create_bitmap(uint32_t width, uint32_t height)
{
bitmap_t *bitmap;
bitmap = malloc(sizeof(bitmap_t));
if(bitmap == NULL)
goto err_0;
bitmap->width = width;
bitmap->height = height;
bitmap->pitch = ALIGN(width * 4, 16);
bitmap->size = ALIGN(bitmap->pitch * height, 4096);
bitmap->buffer = user_alloc(bitmap->size);
if (bitmap->buffer == NULL)
goto err_1;
printf("create bitmap: %p %dx%d buffer: %p\n",
bitmap, bitmap->width, bitmap->height, bitmap->buffer);
return bitmap;
err_1:
free(bitmap);
err_0:
return NULL;
};
static int sw_destroy_bitmap(bitmap_t * bitmap)
{
user_free(bitmap->buffer);
free(bitmap);
return 0;
};
static void *sw_lock_bitmap(bitmap_t *bitmap, uint32_t *pitch)
{
*pitch = bitmap->pitch;
return bitmap->buffer;
};
static int sw_resize_bitmap(bitmap_t * bitmap, uint32_t width, uint32_t height)
{
uint32_t size;
uint32_t pitch;
pitch = ALIGN(width * 4, 16);
size = ALIGN(pitch * height, 4096);
if (size > bitmap->size)
{
bitmap->buffer = user_realloc(bitmap->buffer, size); /* grow buffer */
if (bitmap->buffer == NULL)
return -1;
bitmap->size = size;
}
else if (size < bitmap->size)
user_unmap(bitmap->buffer, size, bitmap->size - size); /* unmap unused pages */
bitmap->width = width;
bitmap->height = height;
bitmap->pitch = pitch;
return 0;
};
static int sw_blit(bitmap_t * bitmap, int dst_x, int dst_y,
uint32_t w, uint32_t h, int src_x, int src_y)
{
struct blit_call bc;
int ret;
bc.dstx = dst_x;
bc.dsty = dst_y;
bc.w = w;
bc.h = h;
bc.srcx = src_x;
bc.srcy = src_y;
bc.srcw = bitmap->width;
bc.srch = bitmap->height;
bc.stride = bitmap->pitch;
bc.bitmap = bitmap->buffer;
__asm__ __volatile__(
"int $0x40":"=a"(ret):"a"(73), "b"(0x00),
"c"(&bc):"memory");
return ret;
};
static int sw_create_client(int x, int y, uint32_t width, uint32_t height)
{
return 0;
};
static int sw_resize_client(int x, int y, uint32_t width, uint32_t height)
{
return 0;
};
bitmap_t *pxCreateBitmap(uint32_t width, uint32_t height)
{
return driver->create_bitmap(width, height);
};
int pxDestroyBitmap(bitmap_t *bitmap)
{
return driver->destroy_bitmap(bitmap);
};
void *pxLockBitmap(bitmap_t *bitmap, uint32_t *pitch)
{
return driver->lock_bitmap(bitmap, pitch);
};
int pxResizeBitmap(bitmap_t *bitmap, uint32_t width, uint32_t height)
{
return driver->resize_bitmap(bitmap, width, height);
};
int pxBlitBitmap(bitmap_t *bitmap, int dst_x, int dst_y,
uint32_t w, uint32_t h, int src_x, int src_y)
{
return driver->blit_bitmap(bitmap, dst_x, dst_y,
w, h, src_x, src_y);
};
int pxCreateClient(int x, int y, uint32_t width, uint32_t height)
{
return driver->create_client(x, y, width, height);
}
int pxResizeClient(int x, int y, uint32_t width, uint32_t height)
{
printf("resize client\n");
return driver->resize_client(x, y, width, height);
}
static struct pix_driver sw_driver =
{
0,
sw_create_bitmap,
sw_destroy_bitmap,
sw_lock_bitmap,
sw_resize_bitmap,
sw_blit,
sw_create_client,
sw_resize_client,
NULL
};
uint32_t pxInit(int hw)
{
void *lib;
struct pix_driver *(*drventry)(uint32_t service);
uint32_t api_version;
ioctl_t io;
driver = &sw_driver;
if(hw == 0)
return 0;
if (fd != 0)
return driver->driver_caps;
fd = get_service("DISPLAY");
if (fd == 0)
goto fail;
io.handle = fd;
io.io_code = SRV_GETVERSION;
io.input = NULL;
io.inp_size = 0;
io.output = &api_version;
io.out_size = BUFFER_SIZE(1);
if (call_service(&io) != 0)
goto fail;
if ((DISPLAY_VERSION > (api_version & 0xFFFF)) ||
(DISPLAY_VERSION < (api_version >> 16)))
goto fail;
lib = load_library("pixlib-gl.dll");
if(lib == 0)
goto fail;
drventry = get_proc_address(lib, "DrvInit");
if( drventry == NULL)
goto fail;
driver = drventry(fd);
if(driver == NULL)
{
driver = &sw_driver;
goto fail;
};
if (driver->driver_caps)
printf("2D caps %s%s%s\n",
(driver->driver_caps & HW_BIT_BLIT) != 0 ? "HW_BIT_BLIT " : "",
(driver->driver_caps & HW_TEX_BLIT) != 0 ? "HW_TEX_BLIT " : "",
(driver->driver_caps & HW_VID_BLIT) != 0 ? "HW_VID_BLIT " : "");
return driver->driver_caps;
fail:
printf("Warning! Hardware initialization failed.\n"
"fallback to software rendering.\n");
fd = 0;
return 0;
};
void pxFini()
{
if (driver->fini)
driver->fini();
};

33
contrib/sdk/sources/pixlib-3/pixlib3.h Normal file
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#ifndef __PIXLIB3_H__
#define __PIXLIB3_H__
#include <stdint.h>
#define HW_BIT_BLIT (1<<0) /* BGRX blitter */
#define HW_TEX_BLIT (1<<1) /* stretch blit */
#define HW_VID_BLIT (1<<2) /* planar and packed video */
struct bitmap;
typedef struct bitmap bitmap_t;
uint32_t pxInit(int hw);
void pxFini();
bitmap_t *pxCreateBitmap(uint32_t width, uint32_t height);
int pxDestroyBitmap(bitmap_t *bitmap);
void *pxLockBitmap(bitmap_t *bitmap, uint32_t *pitch);
int pxResizeBitmap(bitmap_t *bitmap, uint32_t width, uint32_t height);
int pxBlitBitmap(bitmap_t *bitmap, int dst_x, int dst_y,
uint32_t w, uint32_t h, int src_x, int src_y);
int pxCreateClient(int x, int y, uint32_t width, uint32_t height);
int pxResizeClient(int x, int y, uint32_t width, uint32_t height);
#endif

735
contrib/sdk/sources/pixlib-3/pxgl.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <drm/i915_drm.h>
#include <kos32sys.h>
#include "pixlib3.h"
#include "pixdriver.h"
#include "pxgl.h"
#define WIN_STATE_MINIMIZED 0x02
#define WIN_STATE_ROLLED 0x04
static int drm_ioctl(int fd, unsigned long request, void *arg)
{
ioctl_t io;
io.handle = fd;
io.io_code = request;
io.input = arg;
io.inp_size = 64;
io.output = NULL;
io.out_size = 0;
return call_service(&io);
}
static EGLImageKHR px_create_image(struct render *px,void *name,GLuint tex, EGLint *attribs)
{
EGLImageKHR image;
image = eglCreateImageKHR(px->dpy, px->context,
EGL_DRM_BUFFER_MESA, name, attribs);
if(image == NULL)
goto err_0;
glBindTexture(GL_TEXTURE_2D, tex);
if(glGetError() != GL_NO_ERROR)
goto err_1;
glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, image);
if(glGetError() != GL_NO_ERROR)
goto err_1;
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
return image;
err_1:
eglDestroyImageKHR(px->dpy, image);
err_0:
return NULL;
};
static int update_fb(struct render *px, int name, int pitch)
{
GLenum status;
EGLImageKHR screen;
EGLint attribs[] = {
EGL_WIDTH, px->scr_width,
EGL_HEIGHT, px->scr_height,
EGL_DRM_BUFFER_STRIDE_MESA, pitch/4,
EGL_DRM_BUFFER_FORMAT_MESA,
EGL_DRM_BUFFER_FORMAT_ARGB32_MESA,
EGL_DRM_BUFFER_USE_MESA,
EGL_DRM_BUFFER_USE_SHARE_MESA |
EGL_DRM_BUFFER_USE_SCANOUT_MESA,
EGL_NONE
};
char *errmsg;
px->screen = px_create_image(px,(void*)name, px->texture[TEX_SCREEN], attribs);
errmsg = "failed to create new screen image\n";
if(px->screen == EGL_NO_IMAGE_KHR)
goto err_0;
px->screen = screen;
glFramebufferTexture2D(GL_FRAMEBUFFER,GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, px->texture[TEX_SCREEN],0);
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE)
{
const char *str;
switch (status)
{
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT:
str = "incomplete attachment";
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
str = "incomplete/missing attachment";
break;
case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER:
str = "incomplete draw buffer";
break;
case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER:
str = "incomplete read buffer";
break;
case GL_FRAMEBUFFER_UNSUPPORTED:
str = "unsupported";
break;
case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:
str = "incomplete multiple";
break;
default:
str = "unknown error";
break;
}
DBG("destination framebuffer incomplete: %s [%#x]\n", str, status);
return -1;
};
DBG("framebuffer changed successfull\n");
glViewport(0, 0, px->scr_width, px->scr_height);
return 0;
err_0:
DBG("%s %s\n", __FUNCTION__, errmsg);
return -1;
};
static GLint create_shader(GLenum type, const char *source)
{
GLint ok;
GLint shader;
shader = glCreateShader(type);
if(shader == 0)
goto err;
glShaderSource(shader, 1, (const GLchar **) &source, NULL);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
if (!ok) {
GLchar *info;
GLint size;
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);
info = malloc(size);
glGetShaderInfoLog(shader, size, NULL, info);
DBG("Failed to compile %s: %s\n",
type == GL_FRAGMENT_SHADER ? "FS" : "VS",info);
DBG("Program source:\n%s", source);
DBG("GLSL compile failure\n");
free(info);
glDeleteShader(shader);
shader = 0;
};
DBG("create shader %d\n", shader);
err:
return shader;
}
static void *px_create_obj(struct render *px, size_t size,
GLuint *handle, GLuint *name)
{
struct drm_i915_gem_create create;
struct drm_i915_gem_mmap mmap_arg;
struct drm_gem_close close;
struct drm_gem_flink flink;
create.size = size;
create.handle = 0;
if(drm_ioctl(px->fd, DRM_IOCTL_I915_GEM_CREATE, &create))
goto err_0;
*handle = create.handle;
flink.handle = create.handle;
if (drm_ioctl(px->fd, DRM_IOCTL_GEM_FLINK, &flink))
goto err_1;
*name = flink.name;
mmap_arg.handle = *handle;
mmap_arg.offset = 0;
mmap_arg.size = size;
if (drm_ioctl(px->fd, DRM_IOCTL_I915_GEM_MMAP, &mmap_arg))
{
DBG("%s: failed to mmap bitmap handle=%d, %d bytes, into CPU domain\n",
__FUNCTION__, *handle, size);
goto err_1;
};
return (void*)(uintptr_t)mmap_arg.addr_ptr;
err_1:
close.handle = *handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
err_0:
return NULL;
};
static int px_create_bitmap(struct render *px, struct bitmap *bitmap,
size_t size, EGLint format)
{
struct drm_gem_close close;
EGLint attribs[] = {
EGL_WIDTH, bitmap->width,
EGL_HEIGHT, bitmap->height,
EGL_DRM_BUFFER_STRIDE_MESA, 0,
EGL_DRM_BUFFER_FORMAT_MESA,
format,
EGL_DRM_BUFFER_USE_MESA,
EGL_DRM_BUFFER_USE_SHARE_MESA,
EGL_NONE
};
bitmap->buffer = px_create_obj(px, size, &bitmap->handle, &bitmap->name);
if(bitmap->buffer == NULL)
goto err_0;
switch(format)
{
case EGL_DRM_BUFFER_FORMAT_ARGB32_MESA:
attribs[5] = bitmap->pitch/4;
break;
case EGL_DRM_BUFFER_FORMAT_R8_MESA:
attribs[5] = bitmap->pitch;
break;
default:
DBG("%s invalid format %x\n",
__FUNCTION__, format);
goto err_1;
}
bitmap->image = px_create_image(px,(void*)bitmap->name,
bitmap->tex, attribs);
if(bitmap->image == NULL)
goto err_1;
DBG("create bitmap:%p %dx%d pitch:%d\n"
"KHRimage:%p gl_tex:%d handle:%d name:%d\n"
"mapped at %x\n",
bitmap, bitmap->width, bitmap->height, bitmap->pitch,
bitmap->image, bitmap->tex, bitmap->handle, bitmap->name,
bitmap->buffer);
return 0;
err_1:
user_free(bitmap->buffer);
close.handle = bitmap->handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
err_0:
return -1;
}
static int create_mask(struct render *px)
{
struct drm_i915_mask_update update;
int pitch;
pitch = (px->width+15) & ~15;
px->mask.width = px->width;
px->mask.height = px->height;
px->mask.pitch = pitch;
px->mask.tex = px->texture[TEX_MASK];
px->mask_size = pitch * px->height;
if(px_create_bitmap(px, &px->mask, px->mask_size,
EGL_DRM_BUFFER_FORMAT_R8_MESA) == 0)
{
update.handle = px->mask.handle;
update.dx = px->dx;
update.dy = px->dy;
update.width = px->width;
update.height = px->height;
update.bo_pitch = (px->width+15) & ~15;
update.bo_map = (int)px->mask.buffer;
update.forced = 1;
drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update);
return 0;
};
return -1;
};
static int update_mask(struct render *px)
{
struct drm_gem_close close;
EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 0,
EGL_DRM_BUFFER_STRIDE_MESA, 0,
EGL_DRM_BUFFER_FORMAT_MESA,
EGL_DRM_BUFFER_FORMAT_R8_MESA,
EGL_DRM_BUFFER_USE_MESA,
EGL_DRM_BUFFER_USE_SHARE_MESA,
EGL_NONE
};
unsigned int size, pitch;
eglDestroyImageKHR(px->dpy, px->mask.image);
pitch = (px->width+15) & ~15;
size = pitch*px->height;
if(size > px->mask_size)
{
user_free(px->mask.buffer);
close.handle = px->mask.handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
px->mask_size = size;
px->mask.buffer = px_create_obj(px, px->mask_size,
&px->mask.handle, &px->mask.name);
if(px->mask.buffer == 0)
goto err_0;
};
attribs[1] = px->width;
attribs[3] = px->height;
attribs[5] = pitch;
px->mask.image = px_create_image(px,(void*)px->mask.name,
px->mask.tex, attribs);
if(px->mask.image == NULL)
goto err_1;
DBG("create mask w:%d h:%d pitch:%d\n"
"KHRimage:%p gl_tex:%d handle:%d name:%d\n"
"mapped at %x\n",
px->width, px->height,
pitch, px->mask.image, px->texture[TEX_MASK],
px->mask.handle, px->mask.name, px->mask.buffer);
return 0;
err_1:
user_free(px->mask.buffer);
close.handle = px->mask.handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
err_0:
return -1;
};
static struct render* create_render(EGLDisplay dpy, EGLContext context, int dx, int dy, int w, int h)
{
const char *vs_src =
"attribute vec4 v_position;\n"
"attribute vec4 v_texcoord0;\n"
"varying vec2 source_texture;\n"
"void main()\n"
"{\n"
" gl_Position = v_position;\n"
" source_texture = v_texcoord0.xy;\n"
"}\n";
const char *fs_i965 =
"varying vec2 source_texture;\n"
"uniform sampler2D sampler_src;\n"
"uniform sampler2D sampler_mask;\n"
"void main()\n"
"{\n"
" float ca = texture2D(sampler_mask, source_texture).r;\n"
" gl_FragColor = vec4(texture2D(sampler_src, source_texture).rgb, ca);\n"
"}\n";
struct drm_i915_fb_info fb;
struct render *px;
GLint vs_shader, fs_shader;
int ret;
px = (struct render*)malloc(sizeof(struct render));
if(px == NULL)
goto err_0;
px->fd = get_service("DISPLAY");
__builtin_memset(&fb, 0, sizeof(fb));
if( 0 != drm_ioctl(px->fd, SRV_FBINFO, &fb))
{ DBG("failed to get framebuffer info\n");
goto err_1;
};
px->dpy = dpy;
px->context = context;
px->dx = dx;
px->dy = dy;
px->width = w;
px->height = h;
px->scr_width = fb.width;
px->scr_height = fb.height;
glGenTextures(2, px->texture);
if(glGetError() != GL_NO_ERROR)
goto err_1;
glGenFramebuffers(1, &px->framebuffer);
if(glGetError() != GL_NO_ERROR)
goto err_2;
glBindFramebuffer(GL_FRAMEBUFFER, px->framebuffer);
if(glGetError() != GL_NO_ERROR)
goto err_3;
if(update_fb(px, fb.name, fb.pitch))
goto err_4;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
if(create_mask(px))
goto err_4;
px->blit_prog = glCreateProgram();
if(px->blit_prog == 0)
goto err_4;
vs_shader = create_shader(GL_VERTEX_SHADER, vs_src);
if(vs_shader == 0)
goto err_4;
fs_shader = create_shader(GL_FRAGMENT_SHADER, fs_i965);
if(fs_shader == 0)
goto err_4;
glAttachShader(px->blit_prog, vs_shader);
glAttachShader(px->blit_prog, fs_shader);
glBindAttribLocation(px->blit_prog, 0, "v_position");
glBindAttribLocation(px->blit_prog, 1, "v_texcoord0");
glLinkProgram(px->blit_prog);
glGetProgramiv(px->blit_prog, GL_LINK_STATUS, &ret);
if (!ret)
{
GLchar *info;
GLint size;
glGetProgramiv(px->blit_prog, GL_INFO_LOG_LENGTH, &size);
info = malloc(size);
glGetProgramInfoLog(px->blit_prog, size, NULL, info);
DBG("Failed to link: %s\n", info);
DBG("GLSL link failure\n");
free(info);
goto err_4;
}
px->sampler = glGetUniformLocation(px->blit_prog,"sampler_src");
px->sm_mask = glGetUniformLocation(px->blit_prog,"sampler_mask");
glUseProgram(px->blit_prog);
glUniform1i(px->sampler, 0);
glUniform1i(px->sm_mask, 1);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexAttribPointer(0, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),px->vertices);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 2, GL_FLOAT,GL_FALSE, 2 * sizeof(float),px->tc_src);
glEnableVertexAttribArray(1);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
px->tc_src[0] = 0.0;
px->tc_src[1] = 0.0;
px->tc_src[1*2] = 1.0;
px->tc_src[1*2+1]= 0.0;
px->tc_src[2*2] = 1.0;
px->tc_src[2*2+1]= 1.0;
px->tc_src[3*2] = 0.0;
px->tc_src[3*2+1]= 1.0;
DBG("create render framebuffer:%p %dx%d pitch:%d name %d\n",
px->screen,fb.width, fb.height, fb.pitch, fb.name);
return px;
err_4:
glBindFramebuffer(GL_FRAMEBUFFER, 0);
err_3:
glDeleteFramebuffers(1, &px->framebuffer);
err_2:
glDeleteTextures(2, px->texture);
err_1:
free(px);
err_0:
return NULL;
};
static struct render *px;
static bitmap_t *hw_create_bitmap(uint32_t width, uint32_t height)
{
struct bitmap *bitmap;
bitmap = malloc(sizeof(struct bitmap));
if(bitmap == NULL)
return NULL;
glGenTextures(1, &bitmap->tex);
if(glGetError() != GL_NO_ERROR)
goto err_0;
bitmap->width = width;
bitmap->height = height;
bitmap->pitch = (width*4 + 15) & ~15;
if(px_create_bitmap(px, bitmap, bitmap->pitch * bitmap->height,
EGL_DRM_BUFFER_FORMAT_ARGB32_MESA) == 0)
{
return bitmap;
};
glDeleteTextures(1, &bitmap->tex);
err_0:
free(bitmap);
return NULL;
};
static int hw_destroy_bitmap(bitmap_t * bitmap)
{
struct drm_gem_close close;
glDeleteTextures(1, &bitmap->tex);
eglDestroyImageKHR(px->dpy, bitmap->image);
user_free(bitmap->buffer);
close.handle = bitmap->handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
free(bitmap);
};
static void *hw_lock_bitmap(bitmap_t *bitmap, uint32_t *pitch)
{
*pitch = bitmap->pitch;
return bitmap->buffer;
};
static int hw_resize_bitmap(bitmap_t * bitmap, uint32_t width, uint32_t height)
{
return 0;
}
char proc_info[1024];
static int hw_blit(bitmap_t *bitmap, int dst_x, int dst_y,
uint32_t w, uint32_t h, int src_x, int src_y)
{
struct drm_i915_mask_update update;
struct drm_i915_fb_info fb;
uint32_t winx, winy, winw, winh;
uint8_t state;
float xscale, yscale;
int r, b;
float *vertices = px->vertices;
get_proc_info(proc_info);
state = *(uint8_t*)(proc_info+70);
if(state & (WIN_STATE_MINIMIZED|WIN_STATE_ROLLED))
return;
winx = *(uint32_t*)(proc_info+34);
winy = *(uint32_t*)(proc_info+38);
winw = *(uint32_t*)(proc_info+42)+1;
winh = *(uint32_t*)(proc_info+46)+1;
__builtin_memset(&fb, 0, sizeof(fb));
if( 0 != drm_ioctl(px->fd, SRV_FBINFO, &fb))
{
DBG("failed to get framebuffer info\n");
return;
};
if( fb.width != px->scr_width ||
fb.height != px->scr_height )
{
px->scr_width = fb.width;
px->scr_height = fb.height;
eglDestroyImageKHR(px->dpy, px->screen);
if(update_fb(px, fb.name, fb.pitch))
return;
};
update.handle = px->mask.handle;
update.dx = px->dx;
update.dy = px->dy;
update.width = px->width;
update.height = px->height;
update.bo_pitch = (px->width+15) & ~15;
update.bo_map = (int)px->mask.buffer;
if(drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update))
{
return;
}
xscale = 1.0/px->scr_width;
yscale = 1.0/px->scr_height;
r = winx + px->dx + px->width;
b = winy + px->dy + px->height;
float t0, t1, t2, t5;
// render->tc_src[1*2] = 1.0;
// render->tc_src[2*2] = 1.0;
// render->tc_src[2*2+1]= 1.0;
// render->tc_src[3*2+1]= 1.0;
vertices[0] = t0 = 2*(winx+px->dx)*xscale - 1.0;
vertices[1 * 2] = t2 = 2*r*xscale - 1.0;
vertices[2 * 2] = t2;
vertices[3 * 2] = t0;
vertices[1] = t1 = 2*(winy+px->dy)*yscale - 1.0;
vertices[2*2+1] = t5 = 2*b*yscale - 1.0;
vertices[1*2+1] = t1;
vertices[3*2+1] = t5;
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, bitmap->tex);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, px->texture[TEX_MASK]);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glFlush();
return;
};
static int hw_create_client(int x, int y, uint32_t width, uint32_t height)
{
px = create_render(eglGetCurrentDisplay(), eglGetCurrentContext(), x, y, width, height);
return !px;
};
static int hw_resize_client(int x, int y, uint32_t width, uint32_t height)
{
if( x != px->dx ||
y != px->dy ||
width != px->width ||
height != px->height )
{
struct drm_i915_mask_update update;
px->dx = x;
px->dy = y;
px->width = width;
px->height = height;
update_mask(px);
update.handle = px->mask.handle;
update.dx = px->dx;
update.dy = px->dy;
update.width = px->width;
update.height = px->height;
update.bo_pitch = (px->width+15) & ~15;
update.bo_map = (int)px->mask.buffer;
update.forced = 1;
drm_ioctl(px->fd, SRV_MASK_UPDATE_EX, &update);
};
return 0;
};
static void hw_fini(void)
{
struct drm_gem_close close;
DBG("%s\n", __FUNCTION__);
eglDestroyImageKHR(px->dpy, px->mask.image);
user_free(px->mask.buffer);
close.handle = px->mask.handle;
drm_ioctl(px->fd, DRM_IOCTL_GEM_CLOSE, &close);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glDeleteFramebuffers(1, &px->framebuffer);
eglDestroyImageKHR(px->dpy, px->screen);
glDeleteTextures(2, px->texture);
egl_destroy(px->dpy, px->context);
free(px);
};
static struct pix_driver gl_driver =
{
HW_TEX_BLIT,
hw_create_bitmap,
hw_destroy_bitmap,
hw_lock_bitmap,
hw_resize_bitmap,
hw_blit,
hw_create_client,
hw_resize_client,
hw_fini
};
struct pix_driver *DrvInit(uint32_t service)
{
EGLDisplay dpy;
EGLConfig config;
EGLContext context;
int ret;
ret = egl_initialize(&dpy, &config, &context);
if( ret )
return NULL;
return &gl_driver;
err_0:
egl_destroy(dpy, context);
return NULL;
}

67
contrib/sdk/sources/pixlib-3/pxgl.h Normal file
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#ifndef __GL_RENDER_H__
#define __GL_RENDER_H__
#define EGL_EGLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES
#include "EGL/egl.h"
#include "EGL/eglext.h"
#include "GL/gl.h"
struct bitmap
{
uint32_t width;
uint32_t height;
uint32_t pitch;
void *buffer;
GLuint tex;
GLuint handle;
GLuint name;
EGLImageKHR image;
};
enum
{
TEX_SCREEN = 0,
TEX_MASK = 1
};
struct render
{
int fd;
EGLDisplay dpy;
EGLContext context;
EGLint dx;
EGLint dy;
EGLint width;
EGLint height;
EGLint scr_width;
EGLint scr_height;
GLuint texture[2];
GLuint framebuffer;
EGLImageKHR screen;
struct bitmap mask;
int mask_size;
GLuint blit_prog;
GLint sampler, sm_mask;
float vertices[8],tc_src[8];
};
int egl_initialize(EGLDisplay *dpy, EGLConfig *config, EGLContext *context);
void egl_destroy(EGLDisplay dpy, EGLContext context);
#define ENTER() printf("enter %s\n",__FUNCTION__)
#define LEAVE() printf("leave %s\n",__FUNCTION__)
#define FAIL() printf("fail %s\n",__FUNCTION__)
#ifdef DEBUG
#define DBG(...) do { \
fprintf(stderr, __VA_ARGS__); \
} while (0)
#else
#define DBG(...)
#endif
#endif /* __GL_RENDER_H__ */