mirror of
https://github.com/dingusdev/dingusppc.git
synced 2025-01-10 13:29:38 +00:00
atirage: framebuffer rendering and various improvements.
This commit is contained in:
parent
9ce15be106
commit
ea5b0d9f52
@ -82,6 +82,7 @@ include_directories("${PROJECT_SOURCE_DIR}" "${PROJECT_SOURCE_DIR}/devices"
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"${PROJECT_SOURCE_DIR}/debugger"
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"${PROJECT_SOURCE_DIR}/utils"
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"${PROJECT_SOURCE_DIR}/thirdparty/loguru/"
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# ${SDL2_INCLUDE_DIRS})
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"${PROJECT_SOURCE_DIR}/thirdparty/SDL2/")
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# "${PROJECT_SOURCE_DIR}/thirdparty/cubeb/include")
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# ${LIBSOUNDIO_HEADERS})
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@ -1,4 +1,5 @@
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include_directories("${PROJECT_SOURCE_DIR}")
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include_directories("${PROJECT_SOURCE_DIR}"
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"${PROJECT_SOURCE_DIR}/thirdparty/SDL2/")
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file(GLOB SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
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@ -24,6 +24,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "memaccess.h"
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#include "pcidevice.h"
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#include <atirage.h>
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#include <chrono>
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#include <cstdint>
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#include <map>
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#include <thirdparty/loguru/loguru.hpp>
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@ -75,6 +76,12 @@ static const std::map<uint16_t, std::string> mach64_reg_names = {
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{0x01FC, "SCALE_3D_CNTL"},
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{0x0310, "FIFO_STAT"},
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{0x0338, "GUI_STAT"},
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{0x04C0, "MPP_CONFIG"},
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{0x04C4, "MPP_STROBE_SEQ"},
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{0x04C8, "MPP_ADDR"},
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{0x04CC, "MPP_DATA"},
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{0x0500, "TVO_CNTL"},
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{0x0704, "SETUP_CNTL"},
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};
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@ -89,6 +96,9 @@ ATIRage::ATIRage(uint16_t dev_id, uint32_t mem_amount) : PCIDevice("ati-rage") {
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/* ATI Rage driver needs to know ASIC ID (manufacturer's internal chip code)
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to operate properly */
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switch (dev_id) {
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case ATI_RAGE_GT_DEV_ID:
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asic_id = 0x9A; // GT-B2U3 fabricated by UMC
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break;
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case ATI_RAGE_PRO_DEV_ID:
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asic_id = 0x5C; // R3B/D/P-A4 fabricated by UMC
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break;
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@ -108,10 +118,14 @@ ATIRage::ATIRage(uint16_t dev_id, uint32_t mem_amount) : PCIDevice("ati-rage") {
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/* initialize display identification */
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this->disp_id = new DisplayID();
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//this->surface = new uint8_t[640 * 480];
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}
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ATIRage::~ATIRage()
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{
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//delete (this->surface);
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if (this->vram_ptr) {
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delete this->vram_ptr;
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}
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@ -163,11 +177,6 @@ uint32_t ATIRage::read_reg(uint32_t offset, uint32_t size) {
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read_mem(&this->block_io_regs[offset], size));
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}
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if (offset > sizeof(this->block_io_regs)) {
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LOG_F(WARNING, "ATI Rage: register offset 0x%04X out of bounds!", offset);
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return 0;
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}
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res = read_mem(&this->block_io_regs[offset], size);
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return res;
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@ -177,21 +186,30 @@ void ATIRage::write_reg(uint32_t offset, uint32_t value, uint32_t size) {
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uint32_t gpio_val;
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uint16_t gpio_dir;
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if (offset > sizeof(this->block_io_regs)) {
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LOG_F(WARNING, "ATI Rage: register offset 0x%04X out of bounds!", offset);
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return;
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}
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/* size-dependent endian conversion */
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write_mem(&this->block_io_regs[offset], value, size);
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switch (offset & ~3) {
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case ATI_CRTC_OFF_PITCH:
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LOG_F(INFO, "ATI Rage: CRTC_OFF_PITCH=0x%08X", READ_DWORD_LE_A(&this->block_io_regs[ATI_CRTC_OFF_PITCH]));
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break;
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case ATI_CRTC_GEN_CNTL:
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if (this->block_io_regs[ATI_CRTC_GEN_CNTL+3] & 2) {
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this->crtc_enable();
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} else {
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this->crtc_on = false;
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}
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LOG_F(INFO, "ATI Rage: CRTC_GEN_CNTL:CRTC_ENABLE=%d", !!(this->block_io_regs[ATI_CRTC_GEN_CNTL+3] & 2));
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LOG_F(INFO, "ATI Rage: CRTC_GEN_CNTL:CRTC_DISPLAY_DIS=%d", !!(this->block_io_regs[ATI_CRTC_GEN_CNTL] & 0x40));
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break;
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case ATI_CUR_OFFSET:
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LOG_F(INFO, "ATI Rage: CUR_OFFSET=0x%08X", READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_OFFSET]));
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break;
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case ATI_CUR_HORZ_VERT_POSN:
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LOG_F(INFO, "ATI Rage: CUR_HORZ_VERT_POSN=0x%08X", READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_HORZ_VERT_POSN]));
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break;
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case ATI_CUR_HORZ_VERT_OFF:
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LOG_F(INFO, "ATI Rage: CUR_HORZ_VERT_OFF=0x%08X", READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_HORZ_VERT_OFF]));
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break;
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case ATI_GP_IO:
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if (offset < (ATI_GP_IO + 2)) {
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@ -239,6 +257,9 @@ void ATIRage::write_reg(uint32_t offset, uint32_t value, uint32_t size) {
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}
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}
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break;
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case ATI_GEN_TEST_CNTL:
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LOG_F(INFO, "HW cursor: %s", this->block_io_regs[ATI_GEN_TEST_CNTL] & 0x80 ? "on" : "off");
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break;
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default:
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LOG_F(
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INFO,
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@ -247,6 +268,11 @@ void ATIRage::write_reg(uint32_t offset, uint32_t value, uint32_t size) {
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offset & ~3,
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READ_DWORD_LE_A(&this->block_io_regs[offset & ~3]));
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}
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if ((this->block_io_regs[ATI_CRTC_GEN_CNTL+3] & 2) &&
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!(this->block_io_regs[ATI_CRTC_GEN_CNTL] & 0x40)) {
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this->update_screen();
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}
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}
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@ -373,9 +399,17 @@ uint32_t ATIRage::read(uint32_t reg_start, uint32_t offset, int size)
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/* read from little-endian VRAM region */
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return read_mem(this->vram_ptr + offset, size);
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}
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else if (offset >= MEMMAP_OFFSET) {
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/* read from memory-mapped registers */
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return this->read_reg(offset - MEMMAP_OFFSET, size);
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else if (offset >= BE_FB_OFFSET) {
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/* read from big-endian VRAM region */
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return read_mem_rev(this->vram_ptr + (offset - BE_FB_OFFSET), size);
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}
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else if (offset >= MM_REGS_0_OFF) {
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/* read from memory-mapped registers, block 0 */
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return this->read_reg(offset - MM_REGS_0_OFF, size);
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}
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else if (offset >= MM_REGS_1_OFF) {
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/* read from memory-mapped registers, block 1 */
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return this->read_reg(offset - MM_REGS_1_OFF + 0x400, size);
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}
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else {
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LOG_F(WARNING, "ATI Rage: read attempt from unmapped aperture region at 0x%08X", offset);
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@ -396,9 +430,18 @@ void ATIRage::write(uint32_t reg_start, uint32_t offset, uint32_t value, int siz
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if (offset < this->vram_size) {
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/* write to little-endian VRAM region */
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write_mem(this->vram_ptr + offset, value, size);
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} else if (offset >= MEMMAP_OFFSET) {
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/* write to memory-mapped registers */
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this->write_reg(offset - MEMMAP_OFFSET, value, size);
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}
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else if (offset >= BE_FB_OFFSET) {
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/* write to big-endian VRAM region */
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write_mem_rev(this->vram_ptr + (offset - BE_FB_OFFSET), value, size);
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}
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else if (offset >= MM_REGS_0_OFF) {
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/* write to memory-mapped registers, block 0 */
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this->write_reg(offset - MM_REGS_0_OFF, value, size);
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}
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else if (offset >= MM_REGS_1_OFF) {
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/* write to memory-mapped registers, block 1 */
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this->write_reg(offset - MM_REGS_1_OFF + 0x400, value, size);
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}
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else {
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LOG_F(WARNING, "ATI Rage: write attempt to unmapped aperture region at 0x%08X", offset);
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@ -497,3 +540,84 @@ void ATIRage::crtc_enable() {
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this->crtc_on = true;
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}
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void ATIRage::draw_hw_cursor(uint8_t *dst_buf, int dst_pitch) {
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uint8_t *src_buf, *src_row, *dst_row, px4;
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int horz_offset = READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_HORZ_VERT_OFF]) & 0x3F;
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int vert_offset = (READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_HORZ_VERT_OFF]) >> 16) & 0x3F;
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src_buf = this->vram_ptr + (READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_OFFSET]) * 8);
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int cur_height = 64 - vert_offset;
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uint32_t color0 = READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_CLR0]) | 0x000000FFUL;
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uint32_t color1 = READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_CLR1]) | 0x000000FFUL;
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for (int h = 0; h < cur_height; h++) {
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dst_row = &dst_buf[h * dst_pitch];
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src_row = &src_buf[h * 16];
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for (int x = 0; x < 16; x++) {
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px4 = src_row[x];
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for (int p = 0; p < 4; p++, px4 >>= 2, dst_row += 4) {
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switch(px4 & 3) {
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case 0: // cursor color 0
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WRITE_DWORD_BE_A(dst_row, color0);
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break;
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case 1: // cursor color 1
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WRITE_DWORD_BE_A(dst_row, color1);
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break;
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case 2: // transparent
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break;
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case 3: // 1's complement of display pixel
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break;
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}
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}
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}
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}
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}
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void ATIRage::update_screen() {
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uint8_t *src_buf, *dst_buf, *src_row, *dst_row, pix;
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int src_pitch, dst_pitch;
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//auto start_time = std::chrono::steady_clock::now();
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this->disp_id->get_disp_texture((void **)&dst_buf, &dst_pitch);
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uint32_t src_offset = (READ_DWORD_LE_A(&this->block_io_regs[ATI_CRTC_OFF_PITCH]) & 0xFFFF) * 8;
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src_pitch = ((READ_DWORD_LE_A(&this->block_io_regs[ATI_CRTC_OFF_PITCH])) >> 19) & 0x1FF8;
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src_buf = this->vram_ptr + src_offset;
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for (int h = 0; h < this->active_height; h++) {
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src_row = &src_buf[h * src_pitch];
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dst_row = &dst_buf[h * dst_pitch];
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for (int x = 0; x < this->active_width; x++) {
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pix = src_row[x];
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dst_row[0] = this->palette[pix][2]; // B
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dst_row[1] = this->palette[pix][1]; // G
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dst_row[2] = this->palette[pix][0]; // R
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dst_row[3] = 255; // A
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dst_row += 4;
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}
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}
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// HW cursor data is stored at the beginning of the video memory
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// HACK: use src_offset to recognize cursor data being ready
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// Normally, we should check GEN_CUR_ENABLE bit in the GEN_TEST_CNTL register
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if (src_offset > 0x400 && READ_DWORD_LE_A(&this->block_io_regs[ATI_CUR_OFFSET])) {
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this->draw_hw_cursor(dst_buf + dst_pitch * 20 + 120, dst_pitch);
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}
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this->disp_id->update_screen();
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//auto end_time = std::chrono::steady_clock::now();
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//auto time_elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end_time - start_time);
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//LOG_F(INFO, "Display uodate took: %lld ns", time_elapsed.count());
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SDL_Delay(15);
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}
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@ -169,6 +169,7 @@ enum {
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ATI_MPP_ADDR = 0x04C8,
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ATI_MPP_DATA = 0x04CC,
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ATI_TVO_CNTL = 0x0500,
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ATI_SETUP_CNTL = 0x0704,
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};
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/* Mach64 PLL register indices. */
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@ -184,7 +185,9 @@ enum {
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};
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constexpr auto APERTURE_SIZE = 0x01000000UL; /* Mach64 aperture size */
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constexpr auto MEMMAP_OFFSET = 0x007FFC00UL; /* offset to memory mapped registers */
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constexpr auto MM_REGS_0_OFF = 0x007FFC00UL; /* offset to memory mapped registers, block 0 */
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constexpr auto MM_REGS_1_OFF = 0x007FF800UL; /* offset to memory mapped registers, block 1 */
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constexpr auto BE_FB_OFFSET = 0x00800000UL; /* Offset to the big-endian frame buffer */
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constexpr auto ATI_XTAL = 14318180.0f; // external crystal oscillator frequency
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@ -221,9 +224,11 @@ protected:
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float calc_pll_freq(int scale, int fb_div);
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void verbose_pixel_format(int crtc_index);
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void crtc_enable();
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void draw_hw_cursor(uint8_t *dst_buf, int dst_pitch);
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void update_screen();
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private:
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uint8_t block_io_regs[512] = {0};
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uint8_t block_io_regs[2048] = {0};
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uint8_t pci_cfg[256] = {0}; /* PCI configuration space */
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@ -246,5 +251,6 @@ private:
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uint8_t palette[256][4]; /* internal DAC palette in RGBA format */
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int comp_index; /* color component index for DAC palette access */
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uint8_t *surface;
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};
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#endif /* ATI_RAGE_H */
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@ -21,6 +21,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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#include "displayid.h"
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#include <thirdparty/loguru/loguru.hpp>
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#include "SDL.h"
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DisplayID::DisplayID() {
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/* Initialize Apple monitor codes */
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@ -37,8 +38,76 @@ DisplayID::DisplayID() {
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/* DDC sense mode is on by default */
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this->i2c_on = true;
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LOG_F(INFO, "Create display window...");
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// Create display window
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this->display_wnd = SDL_CreateWindow(
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"DingusPPC Display",
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SDL_WINDOWPOS_UNDEFINED,
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SDL_WINDOWPOS_UNDEFINED,
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640,
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480,
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SDL_WINDOW_OPENGL
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);
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if (this->display_wnd == NULL) {
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LOG_F(ERROR, "Display: SDL_CreateWindow failed with %s\n", SDL_GetError());
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}
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this->renderer = SDL_CreateRenderer(this->display_wnd, -1, SDL_RENDERER_ACCELERATED);
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if (this->renderer == NULL) {
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LOG_F(ERROR, "Display: SDL_CreateRenderer failed with %s\n", SDL_GetError());
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}
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SDL_SetRenderDrawColor(this->renderer, 0, 0, 0, 255);
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SDL_RenderClear(this->renderer);
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SDL_RenderPresent(this->renderer);
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// Stupidly poll for 10 events.
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// Otherwise no window will be shown on mac OS!
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SDL_Event e;
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for (int i = 0; i < 10; i++) {
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SDL_PollEvent(&e);
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}
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this->disp_texture = SDL_CreateTexture(
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this->renderer,
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SDL_PIXELFORMAT_ARGB8888,
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SDL_TEXTUREACCESS_STREAMING,
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640, 480
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);
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if (this->disp_texture == NULL) {
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LOG_F(ERROR, "Display: SDL_CreateTexture failed with %s\n", SDL_GetError());
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}
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}
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DisplayID::~DisplayID() {
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if (this->disp_texture) {
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SDL_DestroyTexture(this->disp_texture);
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}
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if (this->renderer) {
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SDL_DestroyRenderer(this->renderer);
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}
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if (this->display_wnd) {
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SDL_DestroyWindow(this->display_wnd);
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}
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}
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void DisplayID::get_disp_texture(void **pix_buf, int *pitch) {
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SDL_LockTexture(this->disp_texture, NULL, pix_buf, pitch);
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}
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void DisplayID::update_screen() {
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SDL_UnlockTexture(this->disp_texture);
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//SDL_SetRenderDrawColor(this->renderer, 255, 255, 255, 255);
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SDL_RenderClear(this->renderer);
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SDL_RenderCopy(this->renderer, this->disp_texture, NULL, NULL);
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SDL_RenderPresent(this->renderer);
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}
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uint16_t DisplayID::set_result(uint8_t sda, uint8_t scl) {
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this->last_sda = sda;
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@ -33,6 +33,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
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#ifndef DISPLAY_ID_H
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#define DISPLAY_ID_H
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#include "SDL.h"
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#include <cinttypes>
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/** I2C bus states. */
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@ -50,15 +51,21 @@ enum I2CState : uint8_t {
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class DisplayID {
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public:
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DisplayID();
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~DisplayID() = default;
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~DisplayID();
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uint16_t read_monitor_sense(uint16_t data, uint16_t dirs);
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void get_disp_texture(void **pix_buf, int *pitch);
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void update_screen(void);
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protected:
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uint16_t set_result(uint8_t sda, uint8_t scl);
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uint16_t update_ddc_i2c(uint8_t sda, uint8_t scl);
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|
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private:
|
||||
SDL_Window *display_wnd;
|
||||
SDL_Renderer *renderer;
|
||||
SDL_Texture *disp_texture;
|
||||
|
||||
bool i2c_on;
|
||||
|
||||
uint8_t std_sense_code;
|
||||
|
15
main.cpp
15
main.cpp
@ -47,6 +47,7 @@ void sigint_handler(int signum) {
|
||||
LOG_F(INFO, "Shutting down...");
|
||||
|
||||
delete gMachineObj.release();
|
||||
SDL_Quit();
|
||||
exit(0);
|
||||
}
|
||||
|
||||
@ -164,6 +165,11 @@ int main(int argc, char** argv) {
|
||||
cout << "BootROM path: " << bootrom_path << endl;
|
||||
cout << "Execution mode: " << execution_mode << endl;
|
||||
|
||||
if (SDL_Init(SDL_INIT_VIDEO)) {
|
||||
LOG_F(ERROR, "SDL_Init error: %s", SDL_GetError());
|
||||
return 0;
|
||||
}
|
||||
|
||||
// initialize global profiler object
|
||||
gProfilerObj.reset(new Profiler());
|
||||
|
||||
@ -174,13 +180,6 @@ int main(int argc, char** argv) {
|
||||
// redirect SIGINT to our own handler
|
||||
signal(SIGINT, sigint_handler);
|
||||
|
||||
#ifdef SDL
|
||||
if (SDL_Init(SDL_INIT_AUDIO)){
|
||||
LOG_F(ERROR, "SDL_Init error: %s", SDL_GetError());
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
switch (execution_mode) {
|
||||
case 0:
|
||||
interpreter_main_loop();
|
||||
@ -198,5 +197,7 @@ bail:
|
||||
|
||||
delete gMachineObj.release();
|
||||
|
||||
SDL_Quit();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user