forked from enlightenment/efl
331 lines
9.0 KiB
C
331 lines
9.0 KiB
C
#include "evas_gl_private.h"
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Evas_GL_Image *
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evas_gl_common_image_load(Evas_GL_Context *gc, const char *file, const char *key, Evas_Image_Load_Opts *lo)
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{
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Evas_GL_Image *im;
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RGBA_Image *im_im;
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Evas_List *l;
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im_im = evas_common_load_image_from_file(file, key, lo);
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if (!im_im) return NULL;
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for (l = gc->images; l; l = l->next)
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{
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im = l->data;
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if (im->im == im_im)
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{
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evas_cache_image_drop(&im_im->cache_entry);
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gc->images = evas_list_remove_list(gc->images, l);
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gc->images = evas_list_prepend(gc->images, im);
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im->references++;
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return im;
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}
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}
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im = calloc(1, sizeof(Evas_GL_Image));
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if (!im) return NULL;
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im->references = 1;
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im->im = im_im;
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if (!im->im)
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{
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free(im);
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return NULL;
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}
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im->gc = gc;
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im->references = 1;
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im->cached = 1;
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im->cs.space = EVAS_COLORSPACE_ARGB8888;
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if (lo) im->load_opts = *lo;
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gc->images = evas_list_prepend(gc->images, im);
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return im;
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}
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Evas_GL_Image *
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evas_gl_common_image_new_from_data(Evas_GL_Context *gc, int w, int h, DATA32 *data, int alpha, int cspace)
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{
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Evas_GL_Image *im;
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Evas_List *l;
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for (l = gc->images; l; l = l->next)
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{
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im = l->data;
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if (((void *)(im->im->image.data) == (void *)data) &&
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(im->im->cache_entry.w == w) &&
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(im->im->cache_entry.h == h))
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{
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gc->images = evas_list_remove_list(gc->images, l);
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gc->images = evas_list_prepend(gc->images, im);
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im->references++;
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return im;
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}
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}
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im = calloc(1, sizeof(Evas_GL_Image));
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if (!im) return NULL;
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im->references = 1;
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im->im = (RGBA_Image *) evas_cache_image_data(evas_common_image_cache_get(),
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w, h, data, alpha, cspace);
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if (!im->im)
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{
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free(im);
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return NULL;
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}
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im->gc = gc;
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im->cs.space = cspace;
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switch (cspace)
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{
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case EVAS_COLORSPACE_ARGB8888:
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break;
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case EVAS_COLORSPACE_YCBCR422P601_PL:
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case EVAS_COLORSPACE_YCBCR422P709_PL:
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if (im->tex) evas_gl_common_texture_free(im->tex);
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im->tex = NULL;
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im->cs.data = data;
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im->cs.no_free = 1;
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break;
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default:
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abort();
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break;
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}
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/*
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im->cached = 1;
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gc->images = evas_list_prepend(gc->images, im);
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*/
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printf("new im cs = %i\n", im->cs.space);
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return im;
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}
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Evas_GL_Image *
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evas_gl_common_image_new_from_copied_data(Evas_GL_Context *gc, int w, int h, DATA32 *data, int alpha, int cspace)
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{
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Evas_GL_Image *im;
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im = calloc(1, sizeof(Evas_GL_Image));
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if (!im) return NULL;
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im->references = 1;
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im->im = (RGBA_Image *) evas_cache_image_copied_data(evas_common_image_cache_get(),
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w, h, data, alpha, cspace);
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if (!im->im)
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{
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free(im);
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return NULL;
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}
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im->gc = gc;
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im->cs.space = cspace;
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switch (cspace)
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{
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case EVAS_COLORSPACE_ARGB8888:
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break;
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case EVAS_COLORSPACE_YCBCR422P601_PL:
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case EVAS_COLORSPACE_YCBCR422P709_PL:
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if (im->tex) evas_gl_common_texture_free(im->tex);
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im->tex = NULL;
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im->cs.no_free = 0;
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im->cs.data = calloc(1, im->im->cache_entry.h * sizeof(unsigned char *) * 2);
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if ((data) && (im->cs.data))
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memcpy(im->cs.data, data, im->im->cache_entry.h * sizeof(unsigned char *) * 2);
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break;
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default:
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abort();
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break;
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}
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return im;
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}
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Evas_GL_Image *
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evas_gl_common_image_new(Evas_GL_Context *gc, int w, int h, int alpha, int cspace)
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{
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Evas_GL_Image *im;
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im = calloc(1, sizeof(Evas_GL_Image));
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if (!im) return NULL;
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im->references = 1;
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im->im = (RGBA_Image *) evas_cache_image_empty(evas_common_image_cache_get());
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if (!im->im)
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{
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free(im);
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return NULL;
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}
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im->gc = gc;
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im->cs.space = cspace;
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im->im->cache_entry.flags.alpha = alpha ? 1 : 0;
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evas_cache_image_colorspace(&im->im->cache_entry, cspace);
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im->im = (RGBA_Image *) evas_cache_image_size_set(&im->im->cache_entry, w, h);
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switch (cspace)
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{
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case EVAS_COLORSPACE_ARGB8888:
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break;
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case EVAS_COLORSPACE_YCBCR422P601_PL:
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case EVAS_COLORSPACE_YCBCR422P709_PL:
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// if (im->tex) evas_gl_common_texture_free(im->tex);
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im->tex = NULL;
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im->cs.no_free = 0;
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im->cs.data = calloc(1, im->im->cache_entry.h * sizeof(unsigned char *) * 2);
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break;
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default:
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abort();
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break;
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}
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return im;
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}
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void
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evas_gl_common_image_free(Evas_GL_Image *im)
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{
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im->references--;
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if (im->references > 0) return;
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if (im->cs.data)
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{
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if (!im->cs.no_free) free(im->cs.data);
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}
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if (im->cached) im->gc->images = evas_list_remove(im->gc->images, im);
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if (im->im) evas_cache_image_drop(&im->im->cache_entry);
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if (im->tex) evas_gl_common_texture_free(im->tex);
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free(im);
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}
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void
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evas_gl_common_image_dirty(Evas_GL_Image *im)
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{
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im->im = (RGBA_Image *) evas_cache_image_dirty(&im->im->cache_entry, 0, 0, im->im->cache_entry.w, im->im->cache_entry.h);
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im->dirty = 1;
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}
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void
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evas_gl_common_image_draw(Evas_GL_Context *gc, Evas_GL_Image *im, int sx, int sy, int sw, int sh, int dx, int dy, int dw, int dh, int smooth)
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{
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RGBA_Draw_Context *dc;
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int r, g, b, a;
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double tx1, ty1, tx2, ty2;
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int ow, oh;
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int space;
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if (sw < 1) sw = 1;
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if (sh < 1) sh = 1;
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dc = gc->dc;
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if (dc->mul.use)
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{
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a = (dc->mul.col >> 24) & 0xff;
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r = (dc->mul.col >> 16) & 0xff;
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g = (dc->mul.col >> 8 ) & 0xff;
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b = (dc->mul.col ) & 0xff;
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}
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else
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{
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r = g = b = a = 255;
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}
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if (!gc->ext.arb_program && (im->cs.space == EVAS_COLORSPACE_YCBCR422P601_PL
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|| im->cs.space == EVAS_COLORSPACE_YCBCR422P709_PL))
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{
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if ((im->cs.data) && (*((unsigned char **)im->cs.data)))
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{
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if (im->dirty || !im->im->image.data)
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{
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free(im->im->image.data);
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im->im->image.data = malloc(im->im->cache_entry.w * im->im->cache_entry.h * sizeof(DATA32));
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if (im->im->image.data)
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evas_common_convert_yuv_420p_601_rgba(im->cs.data,
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(void *)im->im->image.data,
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im->im->cache_entry.w, im->im->cache_entry.h);
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}
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}
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space = EVAS_COLORSPACE_ARGB8888;
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}
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else
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space = im->cs.space;
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/* leak in this switch */
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switch (space)
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{
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case EVAS_COLORSPACE_ARGB8888:
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evas_cache_image_load_data(&im->im->cache_entry);
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if ((im->tex) && (im->dirty))
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{
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evas_gl_common_texture_update(im->tex, im->im, im->tex->smooth);
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im->dirty = 0;
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}
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if (!im->tex)
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im->tex = evas_gl_common_texture_new(gc, im->im, smooth);
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ow = (dw * im->tex->tw) / sw;
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oh = (dh * im->tex->th) / sh;
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if (im->tex->rectangle)
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{
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tx1 = sx;
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ty1 = sy;
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tx2 = sx + sw;
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ty2 = sy + sh;
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}
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else
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{
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tx1 = (double)(sx ) / (double)(im->tex->w);
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ty1 = (double)(sy ) / (double)(im->tex->h);
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tx2 = (double)(sx + sw) / (double)(im->tex->w);
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ty2 = (double)(sy + sh) / (double)(im->tex->h);
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}
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evas_gl_common_context_texture_set(gc, im->tex, smooth, ow, oh);
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break;
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case EVAS_COLORSPACE_YCBCR422P601_PL:
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case EVAS_COLORSPACE_YCBCR422P709_PL:
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if ((im->tex) && (im->dirty))
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{
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evas_gl_common_ycbcr601pl_texture_update(im->tex, im->cs.data, im->im->cache_entry.w, im->im->cache_entry.h, smooth);
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im->dirty = 0;
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}
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if ((!im->tex) && (im->cs.data) && (*((unsigned char **)im->cs.data)))
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{
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im->tex = evas_gl_common_ycbcr601pl_texture_new(gc, im->cs.data, im->im->cache_entry.w, im->im->cache_entry.h, smooth);
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}
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if (!im->tex) return;
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ow = (dw * im->tex->tw) / sw;
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oh = (dh * im->tex->th) / sh;
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if (im->tex->rectangle)
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{
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tx1 = sx;
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ty1 = sy;
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tx2 = sx + sw;
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ty2 = sy + sh;
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}
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else
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{
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tx1 = (double)(sx ) / (double)(im->tex->w);
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ty1 = (double)(sy ) / (double)(im->tex->h);
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tx2 = (double)(sx + sw) / (double)(im->tex->w);
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ty2 = (double)(sy + sh) / (double)(im->tex->h);
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}
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evas_gl_common_context_texture_set(gc, im->tex, smooth, ow, oh);
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break;
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default:
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abort();
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break;
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}
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// if ((!im->tex->have_mipmaps) && (smooth) &&
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// ((im->tex->uw < im->tex->tw) || (im->tex->uh < im->tex->th)) &&
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// (!gc->ext.sgis_generate_mipmap))
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// evas_gl_common_texture_mipmaps_build(im->tex, im->im, smooth);
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evas_gl_common_context_color_set(gc, r, g, b, a);
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if ((a < 255) || im->im->cache_entry.flags.alpha)
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evas_gl_common_context_blend_set(gc, 1);
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else evas_gl_common_context_blend_set(gc, 0);
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if (dc->clip.use)
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evas_gl_common_context_clip_set(gc, 1,
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dc->clip.x, dc->clip.y,
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dc->clip.w, dc->clip.h);
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else
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evas_gl_common_context_clip_set(gc, 0,
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0, 0, 0, 0);
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evas_gl_common_context_read_buf_set(gc, GL_BACK);
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evas_gl_common_context_write_buf_set(gc, GL_BACK);
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glBegin(GL_QUADS);
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glTexCoord2d(tx1, ty1); glVertex2i(dx , dy );
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glTexCoord2d(tx2, ty1); glVertex2i(dx + dw, dy );
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glTexCoord2d(tx2, ty2); glVertex2i(dx + dw, dy + dh);
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glTexCoord2d(tx1, ty2); glVertex2i(dx , dy + dh);
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glEnd();
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}
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