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-rw-r--r--minui/graphics.c499
-rw-r--r--minui/minui.h18
-rw-r--r--minui/resources.c103
3 files changed, 347 insertions, 273 deletions
diff --git a/minui/graphics.c b/minui/graphics.c
index a2014dc..c2fc9ea 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -28,37 +28,19 @@
#include <linux/fb.h>
#include <linux/kd.h>
-#include <pixelflinger/pixelflinger.h>
+#include <time.h>
#include "font_10x18.h"
#include "minui.h"
-#if defined(RECOVERY_BGRA)
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_BGRA_8888
-#define PIXEL_SIZE 4
-#elif defined(RECOVERY_RGBX)
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGBX_8888
-#define PIXEL_SIZE 4
-#else
-#define PIXEL_FORMAT GGL_PIXEL_FORMAT_RGB_565
-#define PIXEL_SIZE 2
-#endif
-
-#define NUM_BUFFERS 2
-
typedef struct {
- GGLSurface* texture;
- unsigned cwidth;
- unsigned cheight;
+ GRSurface* texture;
+ int cwidth;
+ int cheight;
} GRFont;
-static GRFont *gr_font = 0;
-static GGLContext *gr_context = 0;
-static GGLSurface gr_font_texture;
-static GGLSurface gr_framebuffer[NUM_BUFFERS];
-static GGLSurface gr_mem_surface;
-static unsigned gr_active_fb = 0;
-static unsigned double_buffering = 0;
+static GRFont* gr_font = NULL;
+
static int overscan_percent = OVERSCAN_PERCENT;
static int overscan_offset_x = 0;
static int overscan_offset_y = 0;
@@ -66,67 +48,82 @@ static int overscan_offset_y = 0;
static int gr_fb_fd = -1;
static int gr_vt_fd = -1;
+static GRSurface gr_framebuffer[2];
+static bool double_buffered;
+static GRSurface* gr_draw = NULL;
+static int displayed_buffer;
+
+static unsigned char gr_current_r = 255;
+static unsigned char gr_current_g = 255;
+static unsigned char gr_current_b = 255;
+static unsigned char gr_current_a = 255;
+
static struct fb_var_screeninfo vi;
-static struct fb_fix_screeninfo fi;
-static int get_framebuffer(GGLSurface *fb)
+static bool outside(int x, int y)
+{
+ return x < 0 || x >= gr_draw->width || y < 0 || y >= gr_draw->height;
+}
+
+static void set_displayed_framebuffer(unsigned n)
+{
+ if (n > 1 || !double_buffered) return;
+
+ vi.yres_virtual = gr_framebuffer[0].height * 2;
+ vi.yoffset = n * gr_framebuffer[0].height;
+ vi.bits_per_pixel = gr_framebuffer[0].pixel_bytes * 8;
+ if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
+ perror("active fb swap failed");
+ }
+ displayed_buffer = n;
+}
+
+static int get_framebuffer()
{
int fd;
void *bits;
+ struct fb_fix_screeninfo fi;
+
fd = open("/dev/graphics/fb0", O_RDWR);
if (fd < 0) {
perror("cannot open fb0");
return -1;
}
- if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
+ if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
perror("failed to get fb0 info");
close(fd);
return -1;
}
- vi.bits_per_pixel = PIXEL_SIZE * 8;
- if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_BGRA_8888) {
- vi.red.offset = 8;
- vi.red.length = 8;
- vi.green.offset = 16;
- vi.green.length = 8;
- vi.blue.offset = 24;
- vi.blue.length = 8;
- vi.transp.offset = 0;
- vi.transp.length = 8;
- } else if (PIXEL_FORMAT == GGL_PIXEL_FORMAT_RGBX_8888) {
- vi.red.offset = 24;
- vi.red.length = 8;
- vi.green.offset = 16;
- vi.green.length = 8;
- vi.blue.offset = 8;
- vi.blue.length = 8;
- vi.transp.offset = 0;
- vi.transp.length = 8;
- } else { /* RGB565*/
- vi.red.offset = 11;
- vi.red.length = 5;
- vi.green.offset = 5;
- vi.green.length = 6;
- vi.blue.offset = 0;
- vi.blue.length = 5;
- vi.transp.offset = 0;
- vi.transp.length = 0;
- }
- if (ioctl(fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
- perror("failed to put fb0 info");
- close(fd);
- return -1;
- }
-
- if (ioctl(fd, FBIOGET_FSCREENINFO, &fi) < 0) {
+ if (ioctl(fd, FBIOGET_VSCREENINFO, &vi) < 0) {
perror("failed to get fb0 info");
close(fd);
return -1;
}
+ // We print this out for informational purposes only, but
+ // throughout we assume that the framebuffer device uses an RGBX
+ // pixel format. This is the case for every development device I
+ // have access to. For some of those devices (eg, hammerhead aka
+ // Nexus 5), FBIOGET_VSCREENINFO *reports* that it wants a
+ // different format (XBGR) but actually produces the correct
+ // results on the display when you write RGBX.
+ //
+ // If you have a device that actually *needs* another pixel format
+ // (ie, BGRX, or 565), patches welcome...
+
+ printf("fb0 reports (possibly inaccurate):\n"
+ " vi.bits_per_pixel = %d\n"
+ " vi.red.offset = %3d .length = %3d\n"
+ " vi.green.offset = %3d .length = %3d\n"
+ " vi.blue.offset = %3d .length = %3d\n",
+ vi.bits_per_pixel,
+ vi.red.offset, vi.red.length,
+ vi.green.offset, vi.green.length,
+ vi.blue.offset, vi.blue.length);
+
bits = mmap(0, fi.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (bits == MAP_FAILED) {
perror("failed to mmap framebuffer");
@@ -137,79 +134,59 @@ static int get_framebuffer(GGLSurface *fb)
overscan_offset_x = vi.xres * overscan_percent / 100;
overscan_offset_y = vi.yres * overscan_percent / 100;
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
- fb->stride = fi.line_length/PIXEL_SIZE;
- fb->data = bits;
- fb->format = PIXEL_FORMAT;
- memset(fb->data, 0, vi.yres * fi.line_length);
-
- fb++;
+ gr_framebuffer[0].width = vi.xres;
+ gr_framebuffer[0].height = vi.yres;
+ gr_framebuffer[0].row_bytes = fi.line_length;
+ gr_framebuffer[0].pixel_bytes = vi.bits_per_pixel / 8;
+ gr_framebuffer[0].data = bits;
+ memset(gr_framebuffer[0].data, 0, gr_framebuffer[0].height * gr_framebuffer[0].row_bytes);
/* check if we can use double buffering */
- if (vi.yres * fi.line_length * 2 > fi.smem_len)
- return fd;
+ if (vi.yres * fi.line_length * 2 <= fi.smem_len) {
+ double_buffered = true;
- double_buffering = 1;
+ memcpy(gr_framebuffer+1, gr_framebuffer, sizeof(GRSurface));
+ gr_framebuffer[1].data = gr_framebuffer[0].data +
+ gr_framebuffer[0].height * gr_framebuffer[0].row_bytes;
- fb->version = sizeof(*fb);
- fb->width = vi.xres;
- fb->height = vi.yres;
- fb->stride = fi.line_length/PIXEL_SIZE;
- fb->data = (void*) (((char*) bits) + vi.yres * fi.line_length);
- fb->format = PIXEL_FORMAT;
- memset(fb->data, 0, vi.yres * fi.line_length);
-
- return fd;
-}
-
-static void get_memory_surface(GGLSurface* ms) {
- ms->version = sizeof(*ms);
- ms->width = vi.xres;
- ms->height = vi.yres;
- ms->stride = fi.line_length/PIXEL_SIZE;
- ms->data = malloc(fi.line_length * vi.yres);
- ms->format = PIXEL_FORMAT;
-}
+ gr_draw = gr_framebuffer+1;
-static void set_active_framebuffer(unsigned n)
-{
- if (n > 1 || !double_buffering) return;
- vi.yres_virtual = vi.yres * NUM_BUFFERS;
- vi.yoffset = n * vi.yres;
- vi.bits_per_pixel = PIXEL_SIZE * 8;
- if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
- perror("active fb swap failed");
+ } else {
+ double_buffered = false;
+
+ // Without double-buffering, we allocate RAM for a buffer to
+ // draw in, and then "flipping" the buffer consists of a
+ // memcpy from the buffer we allocated to the framebuffer.
+
+ gr_draw = (GRSurface*) malloc(sizeof(GRSurface));
+ memcpy(gr_draw, gr_framebuffer, sizeof(GRSurface));
+ gr_draw->data = (unsigned char*) malloc(gr_draw->height * gr_draw->row_bytes);
+ if (!gr_draw->data) {
+ perror("failed to allocate in-memory surface");
+ return -1;
+ }
}
-}
-void gr_flip(void)
-{
- GGLContext *gl = gr_context;
-
- /* swap front and back buffers */
- if (double_buffering)
- gr_active_fb = (gr_active_fb + 1) & 1;
+ memset(gr_draw->data, 0, gr_draw->height * gr_draw->row_bytes);
+ gr_fb_fd = fd;
+ set_displayed_framebuffer(0);
- /* copy data from the in-memory surface to the buffer we're about
- * to make active. */
- memcpy(gr_framebuffer[gr_active_fb].data, gr_mem_surface.data,
- fi.line_length * vi.yres);
-
- /* inform the display driver */
- set_active_framebuffer(gr_active_fb);
+ return fd;
}
-void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+void gr_flip(void)
{
- GGLContext *gl = gr_context;
- GGLint color[4];
- color[0] = ((r << 8) | r) + 1;
- color[1] = ((g << 8) | g) + 1;
- color[2] = ((b << 8) | b) + 1;
- color[3] = ((a << 8) | a) + 1;
- gl->color4xv(gl, color);
+ if (double_buffered) {
+ // Change gr_draw to point to the buffer currently displayed,
+ // then flip the driver so we're displaying the other buffer
+ // instead.
+ gr_draw = gr_framebuffer + displayed_buffer;
+ set_displayed_framebuffer(1-displayed_buffer);
+ } else {
+ // Copy from the in-memory surface to the framebuffer.
+ memcpy(gr_framebuffer[0].data, gr_draw->data,
+ gr_draw->height * gr_draw->row_bytes);
+ }
}
int gr_measure(const char *s)
@@ -223,58 +200,118 @@ void gr_font_size(int *x, int *y)
*y = gr_font->cheight;
}
-int gr_text(int x, int y, const char *s, int bold)
+static void text_blend(unsigned char* src_p, int src_row_bytes,
+ unsigned char* dst_p, int dst_row_bytes,
+ int width, int height)
+{
+ int i, j;
+ for (j = 0; j < height; ++j) {
+ unsigned char* sx = src_p;
+ unsigned char* px = dst_p;
+ for (i = 0; i < width; ++i) {
+ unsigned char a = *sx++;
+ if (gr_current_a < 255) a = ((int)a * gr_current_a) / 255;
+ if (a == 255) {
+ *px++ = gr_current_r;
+ *px++ = gr_current_g;
+ *px++ = gr_current_b;
+ px++;
+ } else if (a > 0) {
+ *px = (*px * (255-a) + gr_current_r * a) / 255;
+ ++px;
+ *px = (*px * (255-a) + gr_current_g * a) / 255;
+ ++px;
+ *px = (*px * (255-a) + gr_current_b * a) / 255;
+ ++px;
+ ++px;
+ } else {
+ px += 4;
+ }
+ }
+ src_p += src_row_bytes;
+ dst_p += dst_row_bytes;
+ }
+}
+
+
+void gr_text(int x, int y, const char *s, int bold)
{
- GGLContext *gl = gr_context;
GRFont *font = gr_font;
unsigned off;
- if (!font->texture) return x;
+ if (!font->texture) return;
+ if (gr_current_a == 0) return;
bold = bold && (font->texture->height != font->cheight);
x += overscan_offset_x;
y += overscan_offset_y;
- gl->bindTexture(gl, font->texture);
- gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
- gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->enable(gl, GGL_TEXTURE_2D);
-
while((off = *s++)) {
off -= 32;
+ if (outside(x, y) || outside(x+font->cwidth-1, y+font->cheight-1)) break;
if (off < 96) {
- gl->texCoord2i(gl, (off * font->cwidth) - x,
- (bold ? font->cheight : 0) - y);
- gl->recti(gl, x, y, x + font->cwidth, y + font->cheight);
+
+ unsigned char* src_p = font->texture->data + (off * font->cwidth) +
+ (bold ? font->cheight * font->texture->row_bytes : 0);
+ unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
+
+ text_blend(src_p, font->texture->row_bytes,
+ dst_p, gr_draw->row_bytes,
+ font->cwidth, font->cheight);
+
}
x += font->cwidth;
}
-
- return x;
}
-void gr_texticon(int x, int y, gr_surface icon) {
- if (gr_context == NULL || icon == NULL) {
+void gr_texticon(int x, int y, GRSurface* icon) {
+ if (icon == NULL) return;
+
+ if (icon->pixel_bytes != 1) {
+ printf("gr_texticon: source has wrong format\n");
return;
}
- GGLContext* gl = gr_context;
x += overscan_offset_x;
y += overscan_offset_y;
- gl->bindTexture(gl, (GGLSurface*) icon);
- gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
- gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->enable(gl, GGL_TEXTURE_2D);
+ if (outside(x, y) || outside(x+icon->width-1, y+icon->height-1)) return;
+
+ unsigned char* src_p = icon->data;
+ unsigned char* dst_p = gr_draw->data + y*gr_draw->row_bytes + x*gr_draw->pixel_bytes;
- int w = gr_get_width(icon);
- int h = gr_get_height(icon);
+ text_blend(src_p, icon->row_bytes,
+ dst_p, gr_draw->row_bytes,
+ icon->width, icon->height);
+}
- gl->texCoord2i(gl, -x, -y);
- gl->recti(gl, x, y, x+gr_get_width(icon), y+gr_get_height(icon));
+void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
+{
+ gr_current_r = r;
+ gr_current_g = g;
+ gr_current_b = b;
+ gr_current_a = a;
+}
+
+void gr_clear()
+{
+ if (gr_current_r == gr_current_g &&
+ gr_current_r == gr_current_b) {
+ memset(gr_draw->data, gr_current_r, gr_draw->height * gr_draw->row_bytes);
+ } else {
+ int x, y;
+ unsigned char* px = gr_draw->data;
+ for (y = 0; y < gr_draw->height; ++y) {
+ for (x = 0; x < gr_draw->width; ++x) {
+ *px++ = gr_current_r;
+ *px++ = gr_current_g;
+ *px++ = gr_current_b;
+ px++;
+ }
+ px += gr_draw->row_bytes - (gr_draw->width * gr_draw->pixel_bytes);
+ }
+ }
}
void gr_fill(int x1, int y1, int x2, int y2)
@@ -285,48 +322,82 @@ void gr_fill(int x1, int y1, int x2, int y2)
x2 += overscan_offset_x;
y2 += overscan_offset_y;
- GGLContext *gl = gr_context;
- gl->disable(gl, GGL_TEXTURE_2D);
- gl->recti(gl, x1, y1, x2, y2);
+ if (outside(x1, y1) || outside(x2-1, y2-1)) return;
+
+ unsigned char* p = gr_draw->data + y1 * gr_draw->row_bytes + x1 * gr_draw->pixel_bytes;
+ if (gr_current_a == 255) {
+ int x, y;
+ for (y = y1; y < y2; ++y) {
+ unsigned char* px = p;
+ for (x = x1; x < x2; ++x) {
+ *px++ = gr_current_r;
+ *px++ = gr_current_g;
+ *px++ = gr_current_b;
+ px++;
+ }
+ p += gr_draw->row_bytes;
+ }
+ } else if (gr_current_a > 0) {
+ int x, y;
+ for (y = y1; y < y2; ++y) {
+ unsigned char* px = p;
+ for (x = x1; x < x2; ++x) {
+ *px = (*px * (255-gr_current_a) + gr_current_r * gr_current_a) / 255;
+ ++px;
+ *px = (*px * (255-gr_current_a) + gr_current_g * gr_current_a) / 255;
+ ++px;
+ *px = (*px * (255-gr_current_a) + gr_current_b * gr_current_a) / 255;
+ ++px;
+ ++px;
+ }
+ p += gr_draw->row_bytes;
+ }
+ }
}
-void gr_blit(gr_surface source, int sx, int sy, int w, int h, int dx, int dy) {
- if (gr_context == NULL || source == NULL) {
+void gr_blit(GRSurface* source, int sx, int sy, int w, int h, int dx, int dy) {
+ if (source == NULL) return;
+
+ if (gr_draw->pixel_bytes != source->pixel_bytes) {
+ printf("gr_blit: source has wrong format\n");
return;
}
- GGLContext *gl = gr_context;
dx += overscan_offset_x;
dy += overscan_offset_y;
- gl->bindTexture(gl, (GGLSurface*) source);
- gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE);
- gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->texGeni(gl, GGL_T, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE);
- gl->enable(gl, GGL_TEXTURE_2D);
- gl->texCoord2i(gl, sx - dx, sy - dy);
- gl->recti(gl, dx, dy, dx + w, dy + h);
+ if (outside(dx, dy) || outside(dx+w-1, dy+h-1)) return;
+
+ unsigned char* src_p = source->data + sy*source->row_bytes + sx*source->pixel_bytes;
+ unsigned char* dst_p = gr_draw->data + dy*gr_draw->row_bytes + dx*gr_draw->pixel_bytes;
+
+ int i;
+ for (i = 0; i < h; ++i) {
+ memcpy(dst_p, src_p, w * source->pixel_bytes);
+ src_p += source->row_bytes;
+ dst_p += gr_draw->row_bytes;
+ }
}
-unsigned int gr_get_width(gr_surface surface) {
+unsigned int gr_get_width(GRSurface* surface) {
if (surface == NULL) {
return 0;
}
- return ((GGLSurface*) surface)->width;
+ return surface->width;
}
-unsigned int gr_get_height(gr_surface surface) {
+unsigned int gr_get_height(GRSurface* surface) {
if (surface == NULL) {
return 0;
}
- return ((GGLSurface*) surface)->height;
+ return surface->height;
}
static void gr_init_font(void)
{
gr_font = calloc(sizeof(*gr_font), 1);
- int res = res_create_surface("font", (void**)&(gr_font->texture));
+ int res = res_create_surface("font", &(gr_font->texture));
if (res == 0) {
// The font image should be a 96x2 array of character images. The
// columns are the printable ASCII characters 0x20 - 0x7f. The
@@ -340,7 +411,8 @@ static void gr_init_font(void)
gr_font->texture = malloc(sizeof(*gr_font->texture));
gr_font->texture->width = font.width;
gr_font->texture->height = font.height;
- gr_font->texture->stride = font.width;
+ gr_font->texture->row_bytes = font.width;
+ gr_font->texture->pixel_bytes = 1;
unsigned char* bits = malloc(font.width * font.height);
gr_font->texture->data = (void*) bits;
@@ -355,17 +427,61 @@ static void gr_init_font(void)
gr_font->cwidth = font.cwidth;
gr_font->cheight = font.cheight;
}
+}
- // interpret the grayscale as alpha
- gr_font->texture->format = GGL_PIXEL_FORMAT_A_8;
+#if 0
+// Exercises many of the gr_*() functions; useful for testing.
+static void gr_test() {
+ GRSurface** images;
+ int frames;
+ int result = res_create_multi_surface("icon_installing", &frames, &images);
+ if (result < 0) {
+ printf("create surface %d\n", result);
+ gr_exit();
+ return;
+ }
+
+ time_t start = time(NULL);
+ int x;
+ for (x = 0; x <= 1200; ++x) {
+ if (x < 400) {
+ gr_color(0, 0, 0, 255);
+ } else {
+ gr_color(0, (x-400)%128, 0, 255);
+ }
+ gr_clear();
+
+ gr_color(255, 0, 0, 255);
+ gr_surface frame = images[x%frames];
+ gr_blit(frame, 0, 0, frame->width, frame->height, x, 0);
+
+ gr_color(255, 0, 0, 128);
+ gr_fill(400, 150, 600, 350);
+
+ gr_color(255, 255, 255, 255);
+ gr_text(500, 225, "hello, world!", 0);
+ gr_color(255, 255, 0, 128);
+ gr_text(300+x, 275, "pack my box with five dozen liquor jugs", 1);
+
+ gr_color(0, 0, 255, 128);
+ gr_fill(gr_draw->width - 200 - x, 300, gr_draw->width - x, 500);
+
+ gr_flip();
+ }
+ printf("getting end time\n");
+ time_t end = time(NULL);
+ printf("got end time\n");
+ printf("start %ld end %ld\n", (long)start, (long)end);
+ if (end > start) {
+ printf("%.2f fps\n", ((double)x) / (end-start));
+ }
}
+#endif
int gr_init(void)
{
- gglInit(&gr_context);
- GGLContext *gl = gr_context;
-
gr_init_font();
+
gr_vt_fd = open("/dev/tty0", O_RDWR | O_SYNC);
if (gr_vt_fd < 0) {
// This is non-fatal; post-Cupcake kernels don't have tty0.
@@ -377,25 +493,16 @@ int gr_init(void)
return -1;
}
- gr_fb_fd = get_framebuffer(gr_framebuffer);
- if (gr_fb_fd < 0) {
+ if (get_framebuffer(&gr_framebuffer) < 0) {
gr_exit();
return -1;
}
- get_memory_surface(&gr_mem_surface);
-
printf("framebuffer: fd %d (%d x %d)\n",
- gr_fb_fd, gr_framebuffer[0].width, gr_framebuffer[0].height);
-
- /* start with 0 as front (displayed) and 1 as back (drawing) */
- gr_active_fb = 0;
- set_active_framebuffer(0);
- gl->colorBuffer(gl, &gr_mem_surface);
+ gr_fb_fd, gr_draw->width, gr_draw->height);
- gl->activeTexture(gl, 0);
- gl->enable(gl, GGL_BLEND);
- gl->blendFunc(gl, GGL_SRC_ALPHA, GGL_ONE_MINUS_SRC_ALPHA);
+ gr_flip();
+ gr_flip();
gr_fb_blank(true);
gr_fb_blank(false);
@@ -408,26 +515,24 @@ void gr_exit(void)
close(gr_fb_fd);
gr_fb_fd = -1;
- free(gr_mem_surface.data);
-
ioctl(gr_vt_fd, KDSETMODE, (void*) KD_TEXT);
close(gr_vt_fd);
gr_vt_fd = -1;
+
+ if (!double_buffered) {
+ if (gr_draw) free(gr_draw->data);
+ free(gr_draw);
+ }
}
int gr_fb_width(void)
{
- return gr_framebuffer[0].width - 2*overscan_offset_x;
+ return gr_draw->width - 2*overscan_offset_x;
}
int gr_fb_height(void)
{
- return gr_framebuffer[0].height - 2*overscan_offset_y;
-}
-
-gr_pixel *gr_fb_data(void)
-{
- return (unsigned short *) gr_mem_surface.data;
+ return gr_draw->height - 2*overscan_offset_y;
}
void gr_fb_blank(bool blank)
diff --git a/minui/minui.h b/minui/minui.h
index 3250955..83c121e 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -23,22 +23,30 @@
extern "C" {
#endif
-typedef void* gr_surface;
-typedef unsigned short gr_pixel;
+typedef struct {
+ int width;
+ int height;
+ int row_bytes;
+ int pixel_bytes;
+ unsigned char* data;
+} GRSurface;
+
+typedef GRSurface* gr_surface;
int gr_init(void);
void gr_exit(void);
int gr_fb_width(void);
int gr_fb_height(void);
-gr_pixel *gr_fb_data(void);
+
void gr_flip(void);
void gr_fb_blank(bool blank);
+void gr_clear(); // clear entire surface to current color
void gr_color(unsigned char r, unsigned char g, unsigned char b, unsigned char a);
void gr_fill(int x1, int y1, int x2, int y2);
-int gr_text(int x, int y, const char *s, int bold);
- void gr_texticon(int x, int y, gr_surface icon);
+void gr_text(int x, int y, const char *s, int bold);
+void gr_texticon(int x, int y, gr_surface icon);
int gr_measure(const char *s);
void gr_font_size(int *x, int *y);
diff --git a/minui/resources.c b/minui/resources.c
index 91b01eb..df813cb 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -27,25 +27,26 @@
#include <linux/fb.h>
#include <linux/kd.h>
-#include <pixelflinger/pixelflinger.h>
-
#include <png.h>
#include "minui.h"
extern char* locale;
-// libpng gives "undefined reference to 'pow'" errors, and I have no
-// idea how to convince the build system to link with -lm. We don't
-// need this functionality (it's used for gamma adjustment) so provide
-// a dummy implementation to satisfy the linker.
-double pow(double x, double y) {
- return x * y;
+#define SURFACE_DATA_ALIGNMENT 8
+
+static gr_surface malloc_surface(size_t data_size) {
+ unsigned char* temp = malloc(sizeof(GRSurface) + data_size + SURFACE_DATA_ALIGNMENT);
+ if (temp == NULL) return NULL;
+ gr_surface surface = (gr_surface) temp;
+ surface->data = temp + sizeof(GRSurface) +
+ (SURFACE_DATA_ALIGNMENT - (sizeof(GRSurface) % SURFACE_DATA_ALIGNMENT));
+ return surface;
}
int res_create_surface(const char* name, gr_surface* pSurface) {
char resPath[256];
- GGLSurface* surface = NULL;
+ gr_surface surface = NULL;
int result = 0;
unsigned char header[8];
png_structp png_ptr = NULL;
@@ -100,9 +101,8 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
int channels = png_get_channels(png_ptr, info_ptr);
- if (!(bit_depth == 8 &&
+ if (!(bit_depth <= 8 &&
((channels == 3 && color_type == PNG_COLOR_TYPE_RGB) ||
- (channels == 4 && color_type == PNG_COLOR_TYPE_RGBA) ||
(channels == 1 && (color_type == PNG_COLOR_TYPE_PALETTE ||
color_type == PNG_COLOR_TYPE_GRAY))))) {
return -7;
@@ -110,38 +110,20 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
}
size_t stride = (color_type == PNG_COLOR_TYPE_GRAY ? 1 : 4) * width;
- size_t pixelSize = stride * height;
- surface = malloc(sizeof(GGLSurface) + pixelSize);
+ surface = malloc_surface(stride * height);
if (surface == NULL) {
result = -8;
goto exit;
}
- unsigned char* pData = (unsigned char*) (surface + 1);
- surface->version = sizeof(GGLSurface);
+ unsigned char* pData = surface->data;
surface->width = width;
surface->height = height;
- surface->stride = width; /* Yes, pixels, not bytes */
- surface->data = pData;
-
- if (channels == 3) {
- surface->format = GGL_PIXEL_FORMAT_RGBX_8888;
- } else if (color_type == PNG_COLOR_TYPE_PALETTE) {
- surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
- } else if (channels == 1) {
- surface->format = GGL_PIXEL_FORMAT_L_8;
- } else {
- surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
- }
+ surface->row_bytes = stride;
+ surface->pixel_bytes = (color_type == PNG_COLOR_TYPE_GRAY ? 1 : 4);
int alpha = (channels == 4);
- if (color_type == PNG_COLOR_TYPE_PALETTE) {
- png_set_palette_to_rgb(png_ptr);
- }
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
- png_set_tRNS_to_alpha(png_ptr);
- alpha = 1;
- }
+ png_set_expand(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY) {
alpha = 1;
}
@@ -196,7 +178,7 @@ int res_create_multi_surface(const char* name, int* frames, gr_surface** pSurfac
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
int i;
- GGLSurface** surface = NULL;
+ gr_surface* surface = NULL;
*pSurface = NULL;
*frames = -1;
@@ -248,9 +230,8 @@ int res_create_multi_surface(const char* name, int* frames, gr_surface** pSurfac
int channels = png_get_channels(png_ptr, info_ptr);
- if (!(bit_depth == 8 &&
+ if (!(bit_depth <= 8 &&
((channels == 3 && color_type == PNG_COLOR_TYPE_RGB) ||
- (channels == 4 && color_type == PNG_COLOR_TYPE_RGBA) ||
(channels == 1 && (color_type == PNG_COLOR_TYPE_PALETTE ||
color_type == PNG_COLOR_TYPE_GRAY))))) {
return -7;
@@ -279,38 +260,21 @@ int res_create_multi_surface(const char* name, int* frames, gr_surface** pSurfac
size_t stride = (color_type == PNG_COLOR_TYPE_GRAY ? 1 : 4) * width;
size_t pixelSize = stride * height / *frames;
- surface = malloc(*frames * sizeof(GGLSurface*));
+ surface = malloc(*frames * sizeof(gr_surface));
if (surface == NULL) {
result = -8;
goto exit;
}
for (i = 0; i < *frames; ++i) {
- surface[i] = malloc(sizeof(GGLSurface) + pixelSize);
- surface[i]->version = sizeof(GGLSurface);
+ surface[i] = malloc_surface(pixelSize);
surface[i]->width = width;
surface[i]->height = height / *frames;
- surface[i]->stride = width; /* Yes, pixels, not bytes */
- surface[i]->data = (unsigned char*) (surface[i] + 1);
-
- if (channels == 3) {
- surface[i]->format = GGL_PIXEL_FORMAT_RGBX_8888;
- } else if (color_type == PNG_COLOR_TYPE_PALETTE) {
- surface[i]->format = GGL_PIXEL_FORMAT_RGBA_8888;
- } else if (channels == 1) {
- surface[i]->format = GGL_PIXEL_FORMAT_L_8;
- } else {
- surface[i]->format = GGL_PIXEL_FORMAT_RGBA_8888;
- }
+ surface[i]->row_bytes = stride;
+ surface[i]->pixel_bytes = (color_type == PNG_COLOR_TYPE_GRAY ? 1 : 4);
}
int alpha = (channels == 4);
- if (color_type == PNG_COLOR_TYPE_PALETTE) {
- png_set_palette_to_rgb(png_ptr);
- }
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
- png_set_tRNS_to_alpha(png_ptr);
- alpha = 1;
- }
+ png_set_expand(png_ptr);
if (color_type == PNG_COLOR_TYPE_GRAY) {
alpha = 1;
}
@@ -384,7 +348,7 @@ static int matches_locale(const char* loc) {
int res_create_localized_surface(const char* name, gr_surface* pSurface) {
char resPath[256];
- GGLSurface* surface = NULL;
+ gr_surface surface = NULL;
int result = 0;
unsigned char header[8];
png_structp png_ptr = NULL;
@@ -438,12 +402,14 @@ int res_create_localized_surface(const char* name, gr_surface* pSurface) {
&color_type, NULL, NULL, NULL);
int channels = png_get_channels(png_ptr, info_ptr);
- if (!(bit_depth == 8 &&
+ if (!(bit_depth <= 8 &&
(channels == 1 && color_type == PNG_COLOR_TYPE_GRAY))) {
return -7;
goto exit;
}
+ png_set_expand(png_ptr);
+
unsigned char* row = malloc(width);
png_uint_32 y;
for (y = 0; y < height; ++y) {
@@ -456,19 +422,17 @@ int res_create_localized_surface(const char* name, gr_surface* pSurface) {
if (y+1+h >= height || matches_locale(loc)) {
printf(" %20s: %s (%d x %d @ %d)\n", name, loc, w, h, y);
- surface = malloc(sizeof(GGLSurface));
+ surface = malloc_surface(w*h);
if (surface == NULL) {
result = -8;
goto exit;
}
- unsigned char* pData = malloc(w*h);
+ unsigned char* pData = surface->data;
- surface->version = sizeof(GGLSurface);
surface->width = w;
surface->height = h;
- surface->stride = w; /* Yes, pixels, not bytes */
- surface->data = pData;
- surface->format = GGL_PIXEL_FORMAT_A_8;
+ surface->row_bytes = w;
+ surface->pixel_bytes = 1;
int i;
for (i = 0; i < h; ++i, ++y) {
@@ -501,8 +465,5 @@ exit:
}
void res_free_surface(gr_surface surface) {
- GGLSurface* pSurface = (GGLSurface*) surface;
- if (pSurface) {
- free(pSurface);
- }
+ free(surface);
}
generated by cgit v1.1 at 2024-12-22 17:28:48 +0000