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videoctrl: Add more convert frame methods.

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Also rename 1bpp and 8bpp methods to 1bpp_indexed and 8bpp_indexed.
This commit is contained in:
joevt 2023-09-18 17:34:23 -07:00 committed by Maxim Poliakovski
parent 99ae0c3d31
commit 7c3bb41728
7 changed files with 315 additions and 25 deletions
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2
devices/video/atimach64gx.cpp
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@ -299,7 +299,7 @@ void AtiMach64Gx::enable_crtc_internal()
switch (this->pixel_depth) {
case 8:
this->convert_fb_cb = [this](uint8_t *dst_buf, int dst_pitch) {
this->convert_frame_8bpp(dst_buf, dst_pitch);
this->convert_frame_8bpp_indexed(dst_buf, dst_pitch);
};
break;
default:

2
devices/video/atirage.cpp
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@ -551,7 +551,7 @@ void ATIRage::crtc_update() {
ABORT_F("%s: DAC_DIRECT set!", this->name.c_str());
}
this->convert_fb_cb = [this](uint8_t *dst_buf, int dst_pitch) {
this->convert_frame_8bpp(dst_buf, dst_pitch);
this->convert_frame_8bpp_indexed(dst_buf, dst_pitch);
};
break;
default:

2
devices/video/control.cpp
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@ -267,7 +267,7 @@ void ControlVideo::enable_display()
if (pixel_depth == 8) {
this->convert_fb_cb = [this](uint8_t *dst_buf, int dst_pitch) {
this->convert_frame_8bpp(dst_buf, dst_pitch);
this->convert_frame_8bpp_indexed(dst_buf, dst_pitch);
};
} else {
ABORT_F("Control: 16bpp and 32bpp formats not supported yet!");

6
devices/video/pdmonboard.cpp
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@ -121,13 +121,13 @@ void PdmOnboardVideo::set_depth_internal(int pitch)
switch (this->pixel_depth) {
case 1:
this->convert_fb_cb = [this](uint8_t* dst_buf, int dst_pitch) {
this->convert_frame_1bpp(dst_buf, dst_pitch);
this->convert_frame_1bpp_indexed(dst_buf, dst_pitch);
};
this->fb_pitch = pitch >> 3; // one byte contains 8 pixels
break;
case 8:
this->convert_fb_cb = [this](uint8_t* dst_buf, int dst_pitch) {
this->convert_frame_8bpp(dst_buf, dst_pitch);
this->convert_frame_8bpp_indexed(dst_buf, dst_pitch);
};
this->fb_pitch = pitch; // one byte contains 1 pixel
break;
@ -239,7 +239,7 @@ void PdmOnboardVideo::disable_video_internal()
CLUT entry #127 (%01111111) and a black pixel to #255 (%11111111).
It requres a non-standard conversion routine implemented below.
*/
void PdmOnboardVideo::convert_frame_1bpp(uint8_t *dst_buf, int dst_pitch)
void PdmOnboardVideo::convert_frame_1bpp_indexed(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_buf, *src_row, pix;
uint32_t *dst_row;

2
devices/video/pdmonboard.h
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@ -72,7 +72,7 @@ protected:
void set_depth_internal(int pitch);
void enable_video_internal();
void disable_video_internal();
void convert_frame_1bpp(uint8_t *dst_buf, int dst_pitch);
void convert_frame_1bpp_indexed(uint8_t *dst_buf, int dst_pitch);
private:
uint8_t video_mode;

308
devices/video/videoctrl.cpp
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@ -136,26 +136,304 @@ void VideoCtrlBase::setup_hw_cursor(int cursor_width, int cursor_height)
this->cursor_on = true;
}
void VideoCtrlBase::convert_frame_1bpp(uint8_t *dst_buf, int dst_pitch)
void VideoCtrlBase::convert_frame_1bpp_indexed(uint8_t *dst_buf, int dst_pitch)
{
// TODO: implement me!
}
void VideoCtrlBase::convert_frame_8bpp(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_buf, *src_row, *dst_row;
uint8_t *src_row, *dst_row;
int src_pitch;
src_buf = this->fb_ptr;
src_pitch = this->fb_pitch;
src_pitch = this->fb_pitch - ((this->active_width + 7) >> 3);
dst_pitch = dst_pitch - 4 * this->active_width;
for (int h = 0; h < this->active_height; h++) {
src_row = &src_buf[h * src_pitch];
dst_row = &dst_buf[h * dst_pitch];
for (int x = 0; x < this->active_width; x++) {
WRITE_DWORD_LE_A(dst_row, this->palette[src_row[x]]);
src_row = this->fb_ptr - 1;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
uint8_t bit = 0x00;
uint8_t c;
for (int x = this->active_width; x > 0; x--) {
if (!bit) {
src_row += 1;
bit = 0x80;
c = *src_row;
}
WRITE_DWORD_LE_A(dst_row, this->palette[!!(c & bit)]);
bit >>= 1;
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
void VideoCtrlBase::convert_frame_2bpp_indexed(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - (this->active_width >> 2);
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
uint8_t c;
for (int x = this->active_width >> 2; x > 0; x--) {
c = *src_row;
WRITE_DWORD_LE_A(dst_row, this->palette[c >> 6]);
dst_row += 4;
WRITE_DWORD_LE_A(dst_row, this->palette[(c >> 4) & 3]);
dst_row += 4;
WRITE_DWORD_LE_A(dst_row, this->palette[(c >> 2) & 3]);
dst_row += 4;
WRITE_DWORD_LE_A(dst_row, this->palette[c & 3]);
dst_row += 4;
src_row += 1;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
void VideoCtrlBase::convert_frame_4bpp_indexed(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - (this->active_width >> 1);
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
uint8_t c;
for (int x = this->active_width >> 1; x > 0; x--) {
c = *src_row;
WRITE_DWORD_LE_A(dst_row, this->palette[c >> 4]);
dst_row += 4;
WRITE_DWORD_LE_A(dst_row, this->palette[c & 15]);
dst_row += 4;
src_row += 1;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
void VideoCtrlBase::convert_frame_8bpp_indexed(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
WRITE_DWORD_LE_A(dst_row, this->palette[*src_row++]);
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
#if 0
// alternative version to the above but only works for little endian host
void VideoCtrlBase::convert_frame_8bpp_32LE_indexed(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *dst_row;
uint32_t *src_row;
int src_pitch;
src_pitch = this->fb_pitch - this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = (uint32_t*)this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width >> 2; x > 0; x--) {
uint32_t pixels = *src_row++;
WRITE_DWORD_LE_A(dst_row , this->palette[(uint8_t)(pixels )]);
WRITE_DWORD_LE_A(dst_row + 4, this->palette[(uint8_t)(pixels >> 8)]);
WRITE_DWORD_LE_A(dst_row + 8, this->palette[(uint8_t)(pixels >> 16)]);
WRITE_DWORD_LE_A(dst_row + 12, this->palette[(uint8_t)(pixels >> 24)]);
dst_row += 16;
}
src_row = (uint32_t*)((uint8_t*)src_row + src_pitch);
dst_row += dst_pitch;
}
}
#endif
// RGB332
void VideoCtrlBase::convert_frame_8bpp(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = *src_row++;
uint32_t r = ((c << 16) & 0x00E00000) | ((c << 13) & 0x001C0000) | ((c << 10) & 0x00030000);
uint32_t g = ((c << 11) & 0x0000E000) | ((c << 8) & 0x00001C00) | ((c << 5) & 0x00000300);
uint32_t b = ((c << 6) & 0x000000C0) | ((c << 4) & 0x00000030) | ((c << 2) & 0x0000000C) | (c & 0x00000003);
WRITE_DWORD_LE_A(dst_row, r | g | b);
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
// RGB555
void VideoCtrlBase::convert_frame_15bpp(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 2 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = *((uint16_t*)(src_row));
uint32_t r = ((c << 9) & 0x00F80000) | ((c << 4) & 0x00070000);
uint32_t g = ((c << 6) & 0x0000F800) | ((c << 1) & 0x00000700);
uint32_t b = ((c << 3) & 0x000000F8) | ((c >> 2) & 0x00000007);
WRITE_DWORD_LE_A(dst_row, r | g | b);
src_row += 2;
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
// RGB555_BE
void VideoCtrlBase::convert_frame_15bpp_BE(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 2 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = READ_WORD_BE_A(src_row);
uint32_t r = ((c << 9) & 0x00F80000) | ((c << 4) & 0x00070000);
uint32_t g = ((c << 6) & 0x0000F800) | ((c << 1) & 0x00000700);
uint32_t b = ((c << 3) & 0x000000F8) | ((c >> 2) & 0x00000007);
WRITE_DWORD_LE_A(dst_row, r | g | b);
src_row += 2;
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
// RGB565
void VideoCtrlBase::convert_frame_16bpp(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 2 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = *((uint16_t*)(src_row));
uint32_t r = ((c << 8) & 0x00F80000) | ((c << 3) & 0x00070000);
uint32_t g = ((c << 5) & 0x0000FC00) | ((c >> 1) & 0x00000300);
uint32_t b = ((c << 3) & 0x000000F8) | ((c >> 2) & 0x00000007);
WRITE_DWORD_LE_A(dst_row, r | g | b);
src_row += 2;
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
// RGB888
void VideoCtrlBase::convert_frame_24bpp(uint8_t *dst_buf, int dst_pitch)
{
uint8_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 3 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = this->fb_ptr;
dst_row = dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = (src_row[0] << 16) | (src_row[1] << 8) | src_row[2];
WRITE_DWORD_LE_A(dst_row, c);
src_row += 3;
dst_row += 4;
}
src_row += src_pitch;
dst_row += dst_pitch;
}
}
// ARGB8888
void VideoCtrlBase::convert_frame_32bpp(uint8_t *dst_buf, int dst_pitch)
{
uint32_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 4 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = (uint32_t*)this->fb_ptr;
dst_row = (uint32_t*)dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = READ_DWORD_LE_A(src_row);
WRITE_DWORD_LE_A(dst_row, c);
src_row++;
dst_row++;
}
src_row = (uint32_t*)((uint8_t*)src_row + src_pitch);
dst_row = (uint32_t*)((uint8_t*)dst_row + dst_pitch);
}
}
// ARGB8888_BE
void VideoCtrlBase::convert_frame_32bpp_BE(uint8_t *dst_buf, int dst_pitch)
{
uint32_t *src_row, *dst_row;
int src_pitch;
src_pitch = this->fb_pitch - 4 * this->active_width;
dst_pitch = dst_pitch - 4 * this->active_width;
src_row = (uint32_t*)this->fb_ptr;
dst_row = (uint32_t*)dst_buf;
for (int h = this->active_height; h > 0; h--) {
for (int x = this->active_width; x > 0; x--) {
uint32_t c = READ_DWORD_BE_A(src_row);
WRITE_DWORD_LE_A(dst_row, c);
src_row++;
dst_row++;
}
src_row = (uint32_t*)((uint8_t*)src_row + src_pitch);
dst_row = (uint32_t*)((uint8_t*)dst_row + dst_pitch);
}
}

18
devices/video/videoctrl.h
View File

@ -55,8 +55,20 @@ public:
virtual void get_cursor_position(int& x, int& y) { x = 0; y = 0; };
// converters for various framebuffer pixel depths
virtual void convert_frame_1bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_1bpp_indexed(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_2bpp_indexed(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_4bpp_indexed(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_8bpp_indexed(uint8_t *dst_buf, int dst_pitch);
#if 0
virtual void convert_frame_8bpp_32LE_indexed(uint8_t *dst_buf, int dst_pitch);
#endif
virtual void convert_frame_8bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_15bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_15bpp_BE(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_16bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_24bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_32bpp(uint8_t *dst_buf, int dst_pitch);
virtual void convert_frame_32bpp_BE(uint8_t *dst_buf, int dst_pitch);
protected:
// CRT controller parameters
@ -76,8 +88,8 @@ protected:
uint32_t palette[256]; // internal DAC palette in RGBA format
// Framebuffer parameters
uint8_t* fb_ptr;
int fb_pitch;
uint8_t* fb_ptr = nullptr;
int fb_pitch = 0;
uint32_t refresh_task_id = 0;
uint32_t vbl_end_task_id = 0;