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author | 2019-05-02 22:27:49 +0200 | |
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committer | 2019-05-02 22:27:49 +0200 | |
commit | ac76ec42c7048342b8494ae45b3746dd12806940 (patch) | |
tree | 28a25a4d097210da559d1523d203d047110235d4 /src/devices/video/mc6847.h | |
parent | efdbbb6593951a08fbc24ca14b6866205fb60627 (diff) |
Working PAL color blend emulation. Next step is only perfom blend based on the colors luma values.
Diffstat (limited to 'src/devices/video/mc6847.h')
-rw-r--r-- | src/devices/video/mc6847.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/devices/video/mc6847.h b/src/devices/video/mc6847.h index b9e8e02ed4c..c437d1fffd4 100644 --- a/src/devices/video/mc6847.h +++ b/src/devices/video/mc6847.h @@ -179,9 +179,38 @@ protected: // artifacting config void setup_config(device_t *device); void poll_config() { m_artifacting = (m_config!=nullptr) ? m_config->read() : 0; } + void set_pal_artifacting( bool palartifacting ) { m_palartifacting = palartifacting; } + bool get_pal_artifacting() { return m_palartifacting; } // artifacting application template<int xscale> + void process_artifacts_pal(bitmap_rgb32 &bitmap, int y, int base_x, int base_y, uint8_t mode, const pixel_t *palette) + { + if( !m_artifacting || !m_palartifacting ) + return; + + //if( (mode & (MODE_AS|MODE_GM0)) == MODE_AS ) + { + uint32_t tmpPixel; + pixel_t *line1 = &bitmap.pix32(y + base_y, base_x); + pixel_t *line2 = &bitmap.pix32(y + base_y + 1, base_x); + + for( int pixel = 0; pixel < bitmap.width(); ++pixel ) + { + if( line1[pixel] != line2[pixel] ) + { + tmpPixel = (( ((line1[pixel] & 0xFF0000) >> 16) + ((line2[pixel] & 0xFF0000) >> 16) / 2) << 16); + tmpPixel |= (( ((line1[pixel] & 0xFF00 ) >> 8 ) + ((line2[pixel] & 0xFF00 ) >> 8 ) / 2) << 8 ); + tmpPixel |= ( ( line1[pixel] & 0xFF ) + (line2[pixel] & 0xFF ) ) / 2; + + line1[pixel] = tmpPixel; + line2[pixel] = tmpPixel; + } + } + } + } + + template<int xscale> ATTR_FORCE_INLINE void process_artifacts(pixel_t *pixels, uint8_t mode, const pixel_t *palette) { if (((mode & (MODE_AG|MODE_GM2|MODE_GM1|MODE_GM0)) == (MODE_AG|MODE_GM2|MODE_GM1|MODE_GM0)) @@ -218,6 +247,7 @@ protected: } private: + bool m_palartifacting; ioport_port *m_config; ioport_value m_artifacting; ioport_value m_saved_artifacting; |