Guys, could you please test it? You can run your applications within
"Xephyr -screen WxHx16".
On 10/10/07, Enlightenment CVS <[EMAIL PROTECTED]> wrote:
> Enlightenment CVS committal
>
> Author : barbieri
> Project : e17
> Module : libs/evas
>
> Dir : e17/libs/evas/src/modules/engines/software_16
>
>
> Modified Files:
> evas_soft16.h evas_soft16_dither_mask.c evas_soft16_font.c
> evas_soft16_image_scaled_sampled.c
> evas_soft16_image_unscaled.c evas_soft16_rectangle.c
> evas_soft16_scanline_blend.c
>
>
> Log Message:
> Major rework of blit operations to use pre-multiplied colors.
>
> I wrote the first version thinking on regular, non-pre multiplied
> colors, but raster pointed out that all color data is pre-multiplied
> inside Evas. I was blaming 16bpp for low quality graphics, but it
> turned out that was an error with my usage.
>
> If you experienced grayish colors when using transparency, or white
> turning into black while fading out, then these should be fixed now.
>
> Now everything looks better, brighter! :-) Expedite shows no
> performance regressions, but I'd like to see more tests on
> that. Please report any issue.
>
> ===================================================================
> RCS file: /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16.h,v
> retrieving revision 1.8
> retrieving revision 1.9
> diff -u -3 -r1.8 -r1.9
> --- evas_soft16.h 3 Aug 2007 23:11:56 -0000 1.8
> +++ evas_soft16.h 10 Oct 2007 19:22:26 -0000 1.9
> @@ -12,6 +12,8 @@
> ((((rgb) & RGB_565_UNPACKED_MASK) | \
> ((rgb) & RGB_565_UNPACKED_MASK) >> 16) & 0xffff)
> #define RGB_565_UNPACKED_BLEND(a, b, alpha) \
> + ((b) + (a) - ((((b) * (alpha)) >> 5) & RGB_565_UNPACKED_MASK))
> +#define RGB_565_UNPACKED_BLEND_UNMUL(a, b, alpha) \
> ((b) + ((((a) - (b)) * (alpha)) >> 5))
>
> #define RGB_565_FROM_COMPONENTS(r, g, b) \
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_dither_mask.c,v
> retrieving revision 1.2
> retrieving revision 1.3
> diff -u -3 -r1.2 -r1.3
> --- evas_soft16_dither_mask.c 20 Jul 2007 17:29:31 -0000 1.2
> +++ evas_soft16_dither_mask.c 10 Oct 2007 19:22:26 -0000 1.3
> @@ -142,29 +142,48 @@
> _soft16_convert_from_rgba_pt(const DATA32 *src, DATA16 *dst, DATA8 *alpha,
> const int x, const int y)
> {
> - DATA8 orig_r, orig_g, orig_b, orig_a, r, g, b, a, dith5, dith6, dith;
> + DATA8 orig_r, orig_g, orig_b, orig_a;
>
> orig_r = R_VAL(src);
> orig_g = G_VAL(src);
> orig_b = B_VAL(src);
> orig_a = A_VAL(src);
>
> - r = orig_r >> 3;
> - g = orig_g >> 2;
> - b = orig_b >> 3;
> - a = orig_a >> 3;
> -
> - dith = dither_table[x & S16_DM_MSK][y & S16_DM_MSK];
> - dith5 = dith >> S16_DM_SHF(5);
> - dith6 = dith >> S16_DM_SHF(6);
> -
> - if (((orig_r - (r << 3)) >= dith5) && (r < 0x1f)) r++;
> - if (((orig_g - (g << 2)) >= dith6) && (g < 0x3f)) g++;
> - if (((orig_b - (b << 3)) >= dith5) && (b < 0x1f)) b++;
> - if (((orig_a - (a << 3)) >= dith5) && (a < 0x1f)) a++;
> + if (orig_a == 255)
> + {
> + DATA8 dith5, dith6, dith, r, g, b;
>
> - *dst = (r << 11) | (g << 5) | b;
> - *alpha = a;
> + dith = dither_table[x & S16_DM_MSK][y & S16_DM_MSK];
> + dith5 = dith >> S16_DM_SHF(5);
> + dith6 = dith >> S16_DM_SHF(6);
> +
> + r = orig_r >> 3;
> + g = orig_g >> 2;
> + b = orig_b >> 3;
> +
> + if (((orig_r - (r << 3)) >= dith5) && (r < 0x1f)) r++;
> + if (((orig_g - (g << 2)) >= dith6) && (g < 0x3f)) g++;
> + if (((orig_b - (b << 3)) >= dith5) && (b < 0x1f)) b++;
> +
> + *dst = (r << 11) | (g << 5) | b;
> + *alpha = 31;
> + }
> + else if (orig_a == 0)
> + {
> + *dst = 0;
> + *alpha = 0;
> + }
> + else
> + {
> + DATA8 r, g, b, a;
> + r = orig_r >> 3;
> + g = orig_g >> 2;
> + b = orig_b >> 3;
> + a = (orig_a >> 3) + 1;
> +
> + *dst = (r << 11) | (g << 5) | b;
> + *alpha = a;
> + }
> }
>
> static inline void
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_font.c,v
> retrieving revision 1.2
> retrieving revision 1.3
> diff -u -3 -r1.2 -r1.3
> --- evas_soft16_font.c 20 Jun 2007 19:10:15 -0000 1.2
> +++ evas_soft16_font.c 10 Oct 2007 19:22:26 -0000 1.3
> @@ -1,4 +1,5 @@
> #include "evas_soft16.h"
> +#include "evas_soft16_scanline_blend.c"
>
> static inline void
> _glyph_pt_mask_solid_solid(DATA16 *dst,
> @@ -6,15 +7,15 @@
> const DATA32 rgb565_unpack,
> const DATA8 *mask)
> {
> - DATA8 alpha = *mask;
> + DATA8 alpha = *mask >> 3;
>
> - if (alpha == 255) *dst = rgb565;
> - else if (alpha > 8)
> + if (alpha == 31) *dst = rgb565;
> + else if (alpha > 0)
> {
> DATA32 d;
>
> d = RGB_565_UNPACK(*dst);
> - d = RGB_565_UNPACKED_BLEND(rgb565_unpack, d, alpha >> 3);
> + d = RGB_565_UNPACKED_BLEND_UNMUL(rgb565_unpack, d, alpha);
> *dst = RGB_565_PACK(d);
> }
> }
> @@ -51,29 +52,24 @@
>
> static inline void
> _glyph_pt_mask_transp_solid(DATA16 *dst,
> - const DATA32 rgb565_unpack,
> - const DATA8 rel_alpha,
> + DATA32 rgb565_unpack,
> + DATA8 alpha,
> const DATA8 *mask)
> {
> - DATA32 d;
> - DATA8 alpha;
> + DATA32 a, b;
> + int rel_alpha;
>
> - if (*mask == 255) alpha = rel_alpha >> 3;
> - else if (*mask == 0) return;
> - else
> - {
> - /* doing multiply to avoid too much error, it's acceptable to do:
> - * alpha - (max_alpha - rel_alpha)
> - * on images because error is not that important/noticeable, but
> - * on texts, with many edges, it's unacceptable.
> - */
> - alpha = (*mask * rel_alpha) >> 11;
> - if (alpha == 0) return;
> - }
> -
> - d = RGB_565_UNPACK(*dst);
> - d = RGB_565_UNPACKED_BLEND(rgb565_unpack, d, alpha);
> - *dst = RGB_565_PACK(d);
> + rel_alpha = *mask >> 3;
> + alpha = (alpha * rel_alpha) >> 5;
> + if (alpha == 0)
> + return;
> +
> + alpha++;
> +
> + a = ((rgb565_unpack * rel_alpha) >> 5) & RGB_565_UNPACKED_MASK;
> + b = RGB_565_UNPACK(*dst);
> + b = RGB_565_UNPACKED_BLEND(a, b, alpha);
> + *dst = RGB_565_PACK(b);
> }
>
> static inline void
> @@ -143,10 +139,10 @@
> }
>
> static inline void
> -_glyph_scaline(Soft16_Image *dst, const DATA8 *p_mask,
> - const Evas_Rectangle ext, int dx, int dy, int max_x, int max_y,
> - int w, DATA8 alpha, const DATA16 rgb565,
> - const DATA32 rgb565_unpack)
> +_glyph_scanline(Soft16_Image *dst, const DATA8 *p_mask,
> + const Evas_Rectangle ext, int dx, int dy, int max_x, int
> max_y,
> + int w, DATA8 alpha, const DATA16 rgb565,
> + const DATA32 rgb565_unpack)
> {
> int size, in_x, in_w;
> DATA16 *p_pixels;
> @@ -171,7 +167,7 @@
>
> if (size > 1)
> {
> - if (alpha == 255)
> + if (alpha == 31)
> _glyph_scanline_mask_solid_solid
> (p_pixels, size, rgb565, rgb565_unpack, p_mask);
> else if (alpha != 0)
> @@ -180,7 +176,7 @@
> }
> else if (size == 1)
> {
> - if (alpha == 255)
> + if (alpha == 31)
> _glyph_pt_mask_solid_solid(p_pixels, rgb565, rgb565_unpack,
> p_mask);
> else if (alpha != 0)
> _glyph_pt_mask_transp_solid(p_pixels, rgb565_unpack, alpha,
> p_mask);
> @@ -201,8 +197,8 @@
> max_y = ext.y + ext.h;
>
> for (i = 0; i < bh; i++, bitmap += bpitch)
> - _glyph_scaline(dst, bitmap, ext, x, y + i, max_x, max_y, bw,
> - alpha, rgb565, rgb565_unpack);
> + _glyph_scanline(dst, bitmap, ext, x, y + i, max_x, max_y, bw,
> + alpha, rgb565, rgb565_unpack);
> }
>
> static inline void
> @@ -244,8 +240,8 @@
> for (i = 0; i < bh; i++, bitmap += bpitch)
> {
> _glyph_create_mask_line(mask, bitmap, bw);
> - _glyph_scaline(dst, mask, ext, x, y + i, max_x, max_y, bw,
> - alpha, rgb565, rgb565_unpack);
> + _glyph_scanline(dst, mask, ext, x, y + i, max_x, max_y, bw,
> + alpha, rgb565, rgb565_unpack);
> }
> }
>
> @@ -255,17 +251,23 @@
> int x, int y)
> {
> const DATA8 *bitmap;
> - DATA8 alpha;
> + DATA8 alpha, r, g, b;
> DATA16 rgb565;
> Evas_Rectangle ext;
> int bpitch, bw, bh;
>
> - alpha = A_VAL(&dc->col.col);
> - if (alpha < 8) return; /* precision is 5 bits, 3 bits lost */
> + alpha = A_VAL(&dc->col.col) >> 3;
> + if (alpha == 0) return; /* precision is 5 bits, 3 bits lost */
> +
> + r = R_VAL(&dc->col.col) >> 3;
> + g = G_VAL(&dc->col.col) >> 2;
> + b = B_VAL(&dc->col.col) >> 3;
> +
> + if (r > alpha) r = alpha;
> + if (g > (alpha << 1)) g = (alpha << 1);
> + if (b > alpha) b = alpha;
>
> - rgb565 = RGB_565_FROM_COMPONENTS(R_VAL(&dc->col.col),
> - G_VAL(&dc->col.col),
> - B_VAL(&dc->col.col));
> + rgb565 = (r << 11) | (g << 5) | b;
>
> bitmap = fg->glyph_out->bitmap.buffer;
> bh = fg->glyph_out->bitmap.rows;
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_image_scaled_sampled.c,v
> retrieving revision 1.2
> retrieving revision 1.3
> diff -u -3 -r1.2 -r1.3
> --- evas_soft16_image_scaled_sampled.c 17 Sep 2007 21:11:43 -0000 1.2
> +++ evas_soft16_image_scaled_sampled.c 10 Oct 2007 19:22:26 -0000 1.3
> @@ -111,14 +111,11 @@
> Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y,
> + DATA8 alpha)
> {
> DATA16 *dst_itr;
> - int y, w_align, rel_alpha;
> -
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> + int y, w_align;
>
> w_align = w & ~7;
>
> @@ -141,7 +138,7 @@
>
> UNROLL8({
> _soft16_pt_blend_solid_solid_mul_alpha
> - (d, s[offset_x[x]], rel_alpha);
> + (d, s[offset_x[x]], alpha);
> x++;
> d++;
> });
> @@ -149,7 +146,7 @@
>
> for (; x < w; x++, d++)
> _soft16_pt_blend_solid_solid_mul_alpha
> - (d, s[offset_x[x]], rel_alpha);
> + (d, s[offset_x[x]], alpha);
> }
> }
>
> @@ -158,14 +155,11 @@
> Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y,
> + DATA8 alpha)
> {
> DATA16 *dst_itr;
> - int y, w_align, rel_alpha;
> -
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> + int y, w_align;
>
> w_align = w & ~7;
>
> @@ -193,7 +187,7 @@
> UNROLL8({
> int off_x = offset_x[x];
> _soft16_pt_blend_transp_solid_mul_alpha
> - (d, s[off_x], a[off_x], rel_alpha);
> + (d, s[off_x], a[off_x], alpha);
> x++;
> d++;
> });
> @@ -201,7 +195,7 @@
>
> for (; x < w; x++, d++)
> _soft16_pt_blend_transp_solid_mul_alpha
> - (d, s[offset_x[x]], a[offset_x[x]], rel_alpha);
> + (d, s[offset_x[x]], a[offset_x[x]], alpha);
> }
> }
>
> @@ -209,14 +203,14 @@
> _soft16_image_draw_scaled_mul_alpha(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y, DATA8 a)
> {
> if (src->have_alpha && (!dst->have_alpha))
> _soft16_image_draw_scaled_transp_solid_mul_alpha
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, a);
> else if ((!src->have_alpha) && (!dst->have_alpha))
> _soft16_image_draw_scaled_solid_solid_mul_alpha
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, a);
> else
> fprintf(stderr,
> "Unsupported draw of scaled images src->have_alpha=%d, "
> @@ -229,27 +223,18 @@
> Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y,
> + DATA8 r, DATA8 g, DATA8 b,
> + DATA8 alpha)
> {
> DATA16 *dst_itr;
> - int y, w_align, rel_alpha, r, g, b;
> -
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> -
> - r = R_VAL(&dc->mul.col);
> - g = G_VAL(&dc->mul.col);
> - b = B_VAL(&dc->mul.col);
> - /* we'll divide by 256 to make it faster, try to improve things a bit */
> - if (r > 127) r++;
> - if (g > 127) g++;
> - if (b > 127) b++;
> + int y, w_align;
>
> w_align = w & ~7;
>
> dst_itr = dst->pixels + dst_offset;
>
> - if (rel_alpha == 31)
> + if (alpha == 31)
> for (y = 0; y < h; y++, dst_itr += dst->stride)
> {
> DATA16 *d, *s;
> @@ -297,7 +282,7 @@
>
> UNROLL8({
> _soft16_pt_blend_solid_solid_mul_color_transp
> - (d, s[offset_x[x]], rel_alpha, r, g, b);
> + (d, s[offset_x[x]], alpha, r, g, b);
> x++;
> d++;
> });
> @@ -305,7 +290,7 @@
>
> for (; x < w; x++, d++)
> _soft16_pt_blend_solid_solid_mul_color_transp
> - (d, s[offset_x[x]], rel_alpha, r, g, b);
> + (d, s[offset_x[x]], alpha, r, g, b);
> }
> }
>
> @@ -314,28 +299,18 @@
> Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y,
> + DATA8 r, DATA8 g, DATA8 b,
> + DATA8 alpha)
> {
> DATA16 *dst_itr;
> - int y, w_align, rel_alpha, r, g, b;
> -
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> -
> - r = R_VAL(&dc->mul.col);
> - g = G_VAL(&dc->mul.col);
> - b = B_VAL(&dc->mul.col);
> - /* we'll divide by 256 to make it faster, try to improve things a bit */
> - if (r > 127) r++;
> - if (g > 127) g++;
> - if (b > 127) b++;
> + int y, w_align;
>
> w_align = w & ~7;
>
> dst_itr = dst->pixels + dst_offset;
>
> - if (rel_alpha == 0)
> + if (alpha == 31)
> for (y = 0; y < h; y++, dst_itr += dst->stride)
> {
> DATA16 *d, *s;
> @@ -393,7 +368,7 @@
> UNROLL8({
> int off_x = offset_x[x];
> _soft16_pt_blend_transp_solid_mul_color_transp
> - (d, s[off_x], a[off_x], rel_alpha, r, g, b);
> + (d, s[off_x], a[off_x], alpha, r, g, b);
> x++;
> d++;
> });
> @@ -401,7 +376,7 @@
>
> for (; x < w; x++, d++)
> _soft16_pt_blend_transp_solid_mul_color_transp
> - (d, s[offset_x[x]], a[offset_x[x]], rel_alpha, r, g, b);
> + (d, s[offset_x[x]], a[offset_x[x]], alpha, r, g, b);
> }
> }
>
> @@ -409,14 +384,15 @@
> _soft16_image_draw_scaled_mul_color(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y,
> + DATA8 r, DATA8 g, DATA8 b, DATA8 a)
> {
> if (src->have_alpha && (!dst->have_alpha))
> _soft16_image_draw_scaled_transp_solid_mul_color
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, r, g, b, a);
> else if ((!src->have_alpha) && (!dst->have_alpha))
> _soft16_image_draw_scaled_solid_solid_mul_color
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, r, g, b, a);
> else
> fprintf(stderr,
> "Unsupported draw of scaled images src->have_alpha=%d, "
> @@ -428,16 +404,15 @@
> _soft16_image_draw_scaled_mul(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int dst_offset, int w, int h,
> - int *offset_x, int *offset_y)
> + int *offset_x, int *offset_y, DATA8 r, DATA8 g,
> + DATA8 b, DATA8 a)
> {
> - if ((A_VAL(&dc->mul.col) == R_VAL(&dc->mul.col)) &&
> - (A_VAL(&dc->mul.col) == G_VAL(&dc->mul.col)) &&
> - (A_VAL(&dc->mul.col) == B_VAL(&dc->mul.col)))
> + if ((a == r) && (a == (g >> 1)) && (a == b))
> _soft16_image_draw_scaled_mul_alpha
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, a);
> else
> _soft16_image_draw_scaled_mul_color
> - (src, dst, dc, dst_offset, w, h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, w, h, offset_x, offset_y, r, g, b, a);
> }
>
> void
> @@ -448,6 +423,31 @@
> const Evas_Rectangle cr)
> {
> int x, y, dst_offset, *offset_x, *offset_y;
> + DATA16 mul_rgb565;
> + DATA8 r, g, b, a;
> +
> + if (!dc->mul.use)
> + {
> + r = b = a = 31;
> + g = 63;
> + mul_rgb565 = 0xffff;
> + }
> + else
> + {
> + a = A_VAL(&dc->mul.col) >> 3;
> + if (a == 0)
> + return;
> +
> + r = R_VAL(&dc->mul.col) >> 3;
> + g = G_VAL(&dc->mul.col) >> 2;
> + b = B_VAL(&dc->mul.col) >> 3;
> +
> + if (r > a) r = a;
> + if (g > (a << 1)) g = (a << 1);
> + if (b > a) b = a;
> +
> + mul_rgb565 = (r << 11) || (g << 5) | b;
> + }
>
> /* pre-calculated scale tables */
> offset_x = alloca(cr.w * sizeof(*offset_x));
> @@ -461,10 +461,11 @@
>
> dst_offset = cr.x + (cr.y * dst->stride);
>
> - if ((!dc->mul.use) || (dc->mul.col == 0xffffffff))
> +
> + if (mul_rgb565 == 0xffff)
> _soft16_image_draw_scaled_no_mul
> (src, dst, dc, dst_offset, cr.w, cr.h, offset_x, offset_y);
> - else if (dc->mul.col != 0x00000000)
> + else
> _soft16_image_draw_scaled_mul
> - (src, dst, dc, dst_offset, cr.w, cr.h, offset_x, offset_y);
> + (src, dst, dc, dst_offset, cr.w, cr.h, offset_x, offset_y, r, g, b,
> a);
> }
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_image_unscaled.c,v
> retrieving revision 1.1
> retrieving revision 1.2
> diff -u -3 -r1.1 -r1.2
> --- evas_soft16_image_unscaled.c 21 Jun 2007 19:57:56 -0000 1.1
> +++ evas_soft16_image_unscaled.c 10 Oct 2007 19:22:26 -0000 1.2
> @@ -72,22 +72,17 @@
> RGBA_Draw_Context *dc,
> int src_offset,
> int dst_offset,
> - int w, int h)
> + int w, int h, DATA8 a)
> {
> DATA16 *src_itr, *dst_itr;
> - int y, rel_alpha;
> + int y;
>
> src_itr = src->pixels + src_offset;
> dst_itr = dst->pixels + dst_offset;
>
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> -
> for (y = 0; y < h; y++)
> {
> - _soft16_scanline_blend_solid_solid_mul_alpha(src_itr, dst_itr, w,
> - rel_alpha);
> + _soft16_scanline_blend_solid_solid_mul_alpha(src_itr, dst_itr, w, a);
> src_itr += src->stride;
> dst_itr += dst->stride;
> }
> @@ -99,25 +94,21 @@
> RGBA_Draw_Context *dc,
> int src_offset,
> int dst_offset,
> - int w, int h)
> + int w, int h, DATA8 a)
>
> {
> DATA16 *src_itr, *dst_itr;
> DATA8 *alpha_itr;
> - int y, rel_alpha;
> + int y;
>
> src_itr = src->pixels + src_offset;
> alpha_itr = src->alpha + src_offset;
> dst_itr = dst->pixels + dst_offset;
>
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> -
> for (y = 0; y < h; y++)
> {
> _soft16_scanline_blend_transp_solid_mul_alpha(src_itr, alpha_itr,
> - dst_itr, w, rel_alpha);
> + dst_itr, w, a);
> src_itr += src->stride;
> alpha_itr += src->stride;
> dst_itr += dst->stride;
> @@ -128,14 +119,14 @@
> _soft16_image_draw_unscaled_mul_alpha(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int src_offset, int dst_offset,
> - int width, int height)
> + int width, int height, DATA8 a)
> {
> if (src->have_alpha && (!dst->have_alpha))
> _soft16_image_draw_unscaled_transp_solid_mul_alpha
> - (src, dst, dc, src_offset, dst_offset, width, height);
> + (src, dst, dc, src_offset, dst_offset, width, height, a);
> else if ((!src->have_alpha) && (!dst->have_alpha))
> _soft16_image_draw_unscaled_solid_solid_mul_alpha
> - (src, dst, dc, src_offset, dst_offset, width, height);
> + (src, dst, dc, src_offset, dst_offset, width, height, a);
> else
> fprintf(stderr,
> "Unsupported draw of unscaled images src->have_alpha=%d, "
> @@ -149,26 +140,16 @@
> RGBA_Draw_Context *dc,
> int src_offset,
> int dst_offset,
> - int w, int h)
> + int w, int h, DATA8 r,
> + DATA8 g, DATA8 b, DATA8 a)
> {
> DATA16 *src_itr, *dst_itr;
> - int y, rel_alpha, r, g, b;
> + int y;
>
> src_itr = src->pixels + src_offset;
> dst_itr = dst->pixels + dst_offset;
>
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> -
> - r = R_VAL(&dc->mul.col);
> - g = G_VAL(&dc->mul.col);
> - b = B_VAL(&dc->mul.col);
> - /* we'll divide by 256 to make it faster, try to improve things a bit */
> - if (r > 127) r++;
> - if (g > 127) g++;
> - if (b > 127) b++;
> -
> - if (rel_alpha == 31)
> + if (a == 31)
> for (y = 0; y < h; y++)
> {
> _soft16_scanline_blend_solid_solid_mul_color_solid
> @@ -180,7 +161,7 @@
> for (y = 0; y < h; y++)
> {
> _soft16_scanline_blend_solid_solid_mul_color_transp
> - (src_itr, dst_itr, w, rel_alpha, r, g, b);
> + (src_itr, dst_itr, w, a, r, g, b);
> src_itr += src->stride;
> dst_itr += dst->stride;
> }
> @@ -192,30 +173,19 @@
> RGBA_Draw_Context *dc,
> int src_offset,
> int dst_offset,
> - int w, int h)
> + int w, int h, DATA8 r,
> + DATA8 g, DATA8 b, DATA8 a)
>
> {
> DATA16 *src_itr, *dst_itr;
> DATA8 *alpha_itr;
> - int y, rel_alpha, r, g, b;
> + int y;
>
> src_itr = src->pixels + src_offset;
> alpha_itr = src->alpha + src_offset;
> dst_itr = dst->pixels + dst_offset;
>
> - rel_alpha = A_VAL(&dc->mul.col) >> 3;
> - if ((rel_alpha < 1) || (rel_alpha > 31)) return;
> - rel_alpha = 31 - rel_alpha;
> -
> - r = R_VAL(&dc->mul.col);
> - g = G_VAL(&dc->mul.col);
> - b = B_VAL(&dc->mul.col);
> - /* we'll divide by 256 to make it faster, try to improve things a bit */
> - if (r > 127) r++;
> - if (g > 127) g++;
> - if (b > 127) b++;
> -
> - if (rel_alpha == 0)
> + if (a == 31)
> for (y = 0; y < h; y++)
> {
> _soft16_scanline_blend_transp_solid_mul_color_solid
> @@ -228,7 +198,7 @@
> for (y = 0; y < h; y++)
> {
> _soft16_scanline_blend_transp_solid_mul_color_transp
> - (src_itr, alpha_itr, dst_itr, w, rel_alpha, r, g, b);
> + (src_itr, alpha_itr, dst_itr, w, a, r, g, b);
> src_itr += src->stride;
> alpha_itr += src->stride;
> dst_itr += dst->stride;
> @@ -239,14 +209,15 @@
> _soft16_image_draw_unscaled_mul_color(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int src_offset, int dst_offset,
> - int width, int height)
> + int width, int height,
> + DATA8 r, DATA8 g, DATA8 b, DATA8 a)
> {
> if (src->have_alpha && (!dst->have_alpha))
> - _soft16_image_draw_unscaled_transp_solid_mul_color
> - (src, dst, dc, src_offset, dst_offset, width, height);
> + _soft16_image_draw_unscaled_transp_solid_mul_color
> + (src, dst, dc, src_offset, dst_offset, width, height, r, g, b, a);
> else if ((!src->have_alpha) && (!dst->have_alpha))
> - _soft16_image_draw_unscaled_solid_solid_mul_color
> - (src, dst, dc, src_offset, dst_offset, width, height);
> + _soft16_image_draw_unscaled_solid_solid_mul_color
> + (src, dst, dc, src_offset, dst_offset, width, height, r, g, b, a);
> else
> fprintf(stderr,
> "Unsupported draw of unscaled images src->have_alpha=%d, "
> @@ -258,16 +229,16 @@
> _soft16_image_draw_unscaled_mul(Soft16_Image *src, Soft16_Image *dst,
> RGBA_Draw_Context *dc,
> int src_offset, int dst_offset,
> - int width, int height)
> + int width, int height, DATA8 r, DATA8 g,
> + DATA8 b, DATA8 a)
> {
> - if ((A_VAL(&dc->mul.col) == R_VAL(&dc->mul.col)) &&
> - (A_VAL(&dc->mul.col) == G_VAL(&dc->mul.col)) &&
> - (A_VAL(&dc->mul.col) == B_VAL(&dc->mul.col)))
> + if ((a == r) && (a == (g >> 1)) && (a == b))
> _soft16_image_draw_unscaled_mul_alpha(src, dst, dc, src_offset,
> - dst_offset, width, height);
> + dst_offset, width, height, a);
> else
> _soft16_image_draw_unscaled_mul_color(src, dst, dc, src_offset,
> - dst_offset, width, height);
> + dst_offset, width, height,
> + r, g, b, a);
> }
>
> void
> @@ -278,16 +249,42 @@
> const Evas_Rectangle cr)
> {
> int src_offset_rows, src_offset, dst_offset;
> + DATA16 mul_rgb565;
> + DATA8 r, g, b, a;
> +
> + if (!dc->mul.use)
> + {
> + r = b = a = 31;
> + g = 63;
> + mul_rgb565 = 0xffff;
> + }
> + else
> + {
> + a = A_VAL(&dc->mul.col) >> 3;
> + if (a == 0)
> + return;
> +
> + r = R_VAL(&dc->mul.col) >> 3;
> + g = G_VAL(&dc->mul.col) >> 2;
> + b = B_VAL(&dc->mul.col) >> 3;
> +
> + if (r > a) r = a;
> + if (g > (a << 1)) g = (a << 1);
> + if (b > a) b = a;
> +
> + mul_rgb565 = (r << 11) || (g << 5) | b;
> + }
> +
>
> src_offset_rows = (cr.y - dr.y) + sr.y;
> src_offset = (src_offset_rows * src->stride) + (cr.x - dr.x) + sr.x;
>
> dst_offset = cr.x + (cr.y * dst->stride);
>
> - if ((!dc->mul.use) || (dc->mul.col == 0xffffffff))
> + if (mul_rgb565 == 0xffff)
> _soft16_image_draw_unscaled_no_mul(src, dst, dc, src_offset,
> dst_offset,
> cr.w, cr.h);
> - else if (dc->mul.col != 0x00000000)
> + else
> _soft16_image_draw_unscaled_mul(src, dst, dc, src_offset, dst_offset,
> - cr.w, cr.h);
> + cr.w, cr.h, r, g, b, a);
> }
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_rectangle.c,v
> retrieving revision 1.1
> retrieving revision 1.2
> diff -u -3 -r1.1 -r1.2
> --- evas_soft16_rectangle.c 20 Jun 2007 19:10:15 -0000 1.1
> +++ evas_soft16_rectangle.c 10 Oct 2007 19:22:26 -0000 1.2
> @@ -42,6 +42,7 @@
> G_VAL(&dc->col.col),
> B_VAL(&dc->col.col));
> rgb565 = RGB_565_UNPACK(rgb565);
> + alpha++;
>
> for (i = 0; i < h; i++, dst_itr += dst->stride)
> _soft16_scanline_fill_transp_solid(dst_itr, w, rgb565, alpha);
> ===================================================================
> RCS file:
> /cvs/e/e17/libs/evas/src/modules/engines/software_16/evas_soft16_scanline_blend.c,v
> retrieving revision 1.2
> retrieving revision 1.3
> diff -u -3 -r1.2 -r1.3
> --- evas_soft16_scanline_blend.c 20 Jun 2007 20:50:34 -0000 1.2
> +++ evas_soft16_scanline_blend.c 10 Oct 2007 19:22:26 -0000 1.3
> @@ -18,6 +18,9 @@
> else if (alpha != 0)
> {
> DATA32 a, b;
> +
> + DATA32 dst = *p_dst;
> +
> a = RGB_565_UNPACK(src);
> b = RGB_565_UNPACK(*p_dst);
> b = RGB_565_UNPACKED_BLEND(a, b, alpha);
> @@ -103,15 +106,18 @@
> static inline void
> _soft16_pt_blend_transp_solid_mul_alpha(DATA16 *p_dst, DATA16 src, DATA8
> alpha, DATA8 rel_alpha)
> {
> - /* rel_alpha is always > 0, so (alpha - rel_alpha) is always < 31 */
> - if (alpha > rel_alpha)
> - {
> - DATA32 a, b;
> - a = RGB_565_UNPACK(src);
> - b = RGB_565_UNPACK(*p_dst);
> - b = RGB_565_UNPACKED_BLEND(a, b, alpha - rel_alpha);
> - *p_dst = RGB_565_PACK(b);
> - }
> + DATA32 a, b;
> +
> + alpha = (alpha * rel_alpha) >> 5;
> + if (alpha == 0)
> + return;
> +
> + alpha++;
> +
> + a = ((RGB_565_UNPACK(src) * rel_alpha) >> 5) & RGB_565_UNPACKED_MASK;
> + b = RGB_565_UNPACK(*p_dst);
> + b = RGB_565_UNPACKED_BLEND(a, b, alpha);
> + *p_dst = RGB_565_PACK(b);
> }
>
> static inline void
> @@ -181,7 +187,7 @@
> DATA32 a, b;
> a = RGB_565_UNPACK(src);
> b = RGB_565_UNPACK(*p_dst);
> - b = RGB_565_UNPACKED_BLEND(a, b, rel_alpha);
> + b = RGB_565_UNPACKED_BLEND_UNMUL(a, b, rel_alpha);
> *p_dst = RGB_565_PACK(b);
> }
>
> @@ -217,19 +223,23 @@
> static inline void
> _soft16_pt_blend_transp_solid_mul_color_transp(DATA16 *p_dst, DATA16 src,
> DATA8 alpha, DATA8 rel_alpha, DATA16 r, DATA16 g, DATA16 b)
> {
> - /* rel_alpha is always > 0, so (alpha - rel_alpha) is always < 31 */
> - if (alpha > rel_alpha)
> - {
> - int r1, g1, b1;
> - DATA32 rgb, d;
> - r1 = ((((src) >> 11) & 0x1f) * r) >> 8;
> - g1 = ((((src) >> 5) & 0x3f) * g) >> 8;
> - b1 = (((src) & 0x1f) * b) >> 8;
> - rgb = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
> - d = RGB_565_UNPACK(*p_dst);
> - d = RGB_565_UNPACKED_BLEND(rgb, d, alpha - rel_alpha);
> - *p_dst = RGB_565_PACK(d);
> - }
> + DATA32 rgb, d;
> + int r1, g1, b1;
> +
> + alpha = (alpha * rel_alpha) >> 5;
> + if (alpha == 0)
> + return;
> +
> + alpha++;
> +
> + r1 = ((((src) >> 11) & 0x1f) * r) >> 5;
> + g1 = ((((src) >> 5) & 0x3f) * g) >> 6;
> + b1 = (((src) & 0x1f) * b) >> 5;
> + rgb = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
> + d = RGB_565_UNPACK(*p_dst);
> + d = RGB_565_UNPACKED_BLEND(rgb, d, alpha);
> +
> + *p_dst = RGB_565_PACK(d);
> }
>
> static inline void
> @@ -300,9 +310,9 @@
> int r1, g1, b1;
> DATA32 rgb, d;
>
> - r1 = ((((src) >> 11) & 0x1f) * r) >> 8;
> - g1 = ((((src) >> 5) & 0x3f) * g) >> 8;
> - b1 = (((src) & 0x1f) * b) >> 8;
> + r1 = ((((src) >> 11) & 0x1f) * r) >> 5;
> + g1 = ((((src) >> 5) & 0x3f) * g) >> 6;
> + b1 = (((src) & 0x1f) * b) >> 5;
>
> rgb = ((r1 << 11) | (g1 << 21) | b1) & RGB_565_UNPACKED_MASK;
> d = RGB_565_UNPACK(*p_dst);
> @@ -341,15 +351,15 @@
> * Blend operations with extra multiply color
> */
> static inline void
> -_soft16_pt_blend_transp_solid_mul_color_solid(DATA16 *p_dst, DATA16 src,
> DATA8 alpha, DATA16 r, DATA16 g, DATA16 b)
> +_soft16_pt_blend_transp_solid_mul_color_solid(DATA16 *p_dst, DATA16 src,
> DATA8 alpha, DATA8 r, DATA8 g, DATA8 b)
> {
> int r1, g1, b1;
>
> if (alpha == 0) return;
>
> - r1 = ((((src >> 11) & 0x1f) * r) >> 8) & 0x1f;
> - g1 = ((((src >> 5) & 0x3f) * g) >> 8) & 0x3f;
> - b1 = (((src & 0x1f) * b) >> 8) & 0x1f;
> + r1 = ((((src >> 11) & 0x1f) * r) >> 5) & 0x1f;
> + g1 = ((((src >> 5) & 0x3f) * g) >> 6) & 0x3f;
> + b1 = (((src & 0x1f) * b) >> 5) & 0x1f;
>
> if (alpha == 31) *p_dst = (r1 << 11) | (g1 << 5) | b1;
> else
> @@ -430,15 +440,15 @@
> {
> int r1, g1, b1;
>
> - r1 = ((((src >> 11) & 0x1f) * r) >> 8) & 0x1f;
> - g1 = ((((src >> 5) & 0x3f) * g) >> 8) & 0x3f;
> - b1 = (((src & 0x1f) * b) >> 8) & 0x1f;
> + r1 = ((((src >> 11) & 0x1f) * r) >> 5) & 0x1f;
> + g1 = ((((src >> 5) & 0x3f) * g) >> 6) & 0x3f;
> + b1 = (((src & 0x1f) * b) >> 5) & 0x1f;
>
> *p_dst = (r1 << 11) | (g1 << 5) | b1;
> }
>
> static inline void
> -_soft16_scanline_blend_solid_solid_mul_color_solid(DATA16 *src, DATA16 *dst,
> int size, DATA16 r, DATA16 g, DATA16 b)
> +_soft16_scanline_blend_solid_solid_mul_color_solid(DATA16 *src, DATA16 *dst,
> int size, DATA8 r, DATA8 g, DATA8 b)
> {
> DATA16 *start, *end;
>
>
>
>
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>
--
Gustavo Sverzut Barbieri
--------------------------------------
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Skype: gsbarbieri
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