diff --git a/drm/matrix_cubesphere.cpp b/drm/matrix_cubesphere.cpp new file mode 100644 index 0000000..9e16304 --- /dev/null +++ b/drm/matrix_cubesphere.cpp @@ -0,0 +1,1182 @@ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include "3d_registers.h" +#include "3d_registers_undocumented.h" +#include "3d_registers_bits.h" +#include "command_processor.h" + +#include "math/float_types.hpp" +#include "math/transform.hpp" + +#include "../model/model2.h" +#include "../model/cubesphere.h" + +#define PI (3.14159274101257324219f) +#define PI_2 (PI * 2.0f) +#define I_PI_2 (1.0f / (PI_2)) + +static inline uint32_t rreg(void * rmmio, uint32_t offset) +{ + uint32_t value = *((volatile uint32_t *)(((uintptr_t)rmmio) + offset)); + asm volatile ("" ::: "memory"); + return value; +} + +static inline void wreg(void * rmmio, uint32_t offset, uint32_t value) +{ + *((volatile uint32_t *)(((uintptr_t)rmmio) + offset)) = value; + asm volatile ("" ::: "memory"); +} + +static void * read_file(const char * filename) +{ + int fd = open(filename, O_RDONLY); + if (fd == -1) { + fprintf(stderr, "open(%s): %s\n", filename, strerror(errno)); + return NULL; + } + + off_t size = lseek(fd, 0, SEEK_END); + if (size == (off_t)-1) { + fprintf(stderr, "lseek(%s, SEEK_END): %s\n", filename, strerror(errno)); + return NULL; + } + + off_t start = lseek(fd, 0, SEEK_SET); + if (start == (off_t)-1) { + fprintf(stderr, "lseek(%s, SEEK_SET): %s\n", filename, strerror(errno)); + return NULL; + } + + void * buf = malloc(size+1); + + ssize_t read_size = read(fd, buf, size); + if (read_size == -1) { + fprintf(stderr, "read(%s): %s\n", filename, strerror(errno)); + return NULL; + } + ((char*)buf)[read_size] = 0; + + close(fd); + + return buf; +} + +static const uint32_t fragment_shader[] = { +#include "texture_cube.fs.inc" +#include "clear.fs.inc" +}; +static const int fragment_shader_length = (sizeof (fragment_shader)) / (sizeof (fragment_shader[0])); +static const int fragment_shader_instructions = (fragment_shader_length / 6) - 1; + +static const uint32_t vertex_shader[] = { + #include "matrix.vs.inc" + #include "clear_nop.vs.inc" +}; +static const int vertex_shader_length = (sizeof (vertex_shader)) / (sizeof (vertex_shader[0])); +static const int vertex_shader_instructions = (vertex_shader_length / 4) - 1; + +union u32_f32 { + uint32_t u32; + float f32; +}; + +static union u32_f32 ib[16384]; + +const int triangle_count = cubesphere_model.object[0]->triangle_count; +const int vertex_count = triangle_count * 3; + +int _3d_clear(int ix) +{ + ////////////////////////////////////////////////////////////////////////////// + // ZB + ////////////////////////////////////////////////////////////////////////////// + + T0V(ZB_CNTL + , ZB_CNTL__Z_ENABLE__ENABLED // 1 + | ZB_CNTL__ZWRITEENABLE__ENABLE // 1 + ); + T0V(ZB_ZSTENCILCNTL + , ZB_ZSTENCILCNTL__ZFUNC__ALWAYS // greater than + ); + + T0V(ZB_FORMAT + , ZB_FORMAT__DEPTHFORMAT(2) // 24-bit integer Z, 8 bit stencil + ); + + T0V(ZB_DEPTHOFFSET, 0); + T3(_NOP, 0); + ib[ix++].u32 = 1 * 4; // index into relocs array + + T0V(ZB_DEPTHPITCH + , ZB_DEPTHPITCH__DEPTHPITCH(1600 >> 2) + //| ZB_DEPTHPITCH__DEPTHMACROTILE(1) + //| ZB_DEPTHPITCH__DEPTHMICROTILE(1) + ); + T3(_NOP, 0); + ib[ix++].u32 = 1 * 4; // index into relocs array + + ////////////////////////////////////////////////////////////////////////////// + // RS + ////////////////////////////////////////////////////////////////////////////// + + T0V(RS_IP_0 + , RS_IP__TEX_PTR_S(0) + | RS_IP__TEX_PTR_T(0) + | RS_IP__TEX_PTR_R(0) + | RS_IP__TEX_PTR_Q(0) + | RS_IP__COL_PTR(0) + | RS_IP__COL_FMT(6) // Zero components (0,0,0,1) + | RS_IP__OFFSET_EN(0) + ); + T0V(RS_COUNT + , RS_COUNT__IT_COUNT(0) + | RS_COUNT__IC_COUNT(1) + | RS_COUNT__W_ADDR(0) + | RS_COUNT__HIRES_EN(1) + ); + T0V(RS_INST_COUNT, 0x00000000); + T0V(RS_INST_0, 0x00000000); + + ////////////////////////////////////////////////////////////////////////////// + // TX + ////////////////////////////////////////////////////////////////////////////// + + T0V(TX_ENABLE, 0x00000000); + + ////////////////////////////////////////////////////////////////////////////// + // VAP_PVS + ////////////////////////////////////////////////////////////////////////////// + + T0V(VAP_PVS_CODE_CNTL_0 + , VAP_PVS_CODE_CNTL_0__PVS_FIRST_INST(vertex_shader_instructions) + | VAP_PVS_CODE_CNTL_0__PVS_XYZW_VALID_INST(vertex_shader_instructions) + | VAP_PVS_CODE_CNTL_0__PVS_LAST_INST(vertex_shader_instructions) + ); + T0V(VAP_PVS_CODE_CNTL_1 + , VAP_PVS_CODE_CNTL_1__PVS_LAST_VTX_SRC_INST(vertex_shader_instructions) + ); + + ////////////////////////////////////////////////////////////////////////////// + // VAP + ////////////////////////////////////////////////////////////////////////////// + + T0V(VAP_CLIP_CNTL + , VAP_CLIP_CNTL__CLIP_DISABLE(1) + ); + + T0V(VAP_VTE_CNTL + , VAP_VTE_CNTL__VTX_XY_FMT(1) + | VAP_VTE_CNTL__VTX_Z_FMT(1) + ); + + T0V(VAP_CNTL_STATUS, VAP_CNTL_STATUS__PVS_BYPASS(0)); + + T0V(VAP_PROG_STREAM_CNTL_0 + , VAP_PROG_STREAM_CNTL__DATA_TYPE_0__FLOAT_2 + | VAP_PROG_STREAM_CNTL__SKIP_DWORDS_0(0) + | VAP_PROG_STREAM_CNTL__DST_VEC_LOC_0(0) + | VAP_PROG_STREAM_CNTL__LAST_VEC_0(1) + ); + T0V(VAP_PROG_STREAM_CNTL_EXT_0 + , VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_X_0__SELECT_X + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Y_0__SELECT_Y + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Z_0__SELECT_FP_ONE + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_W_0__SELECT_FP_ONE + | VAP_PROG_STREAM_CNTL_EXT__WRITE_ENA_0(0b1111) + ); + + T0V(VAP_VTX_SIZE + , VAP_VTX_SIZE__DWORDS_PER_VTX(2) + ); + + T0V(VAP_INDEX_OFFSET, 0x00000000); + + T0V(VAP_OUT_VTX_FMT_0 + , VAP_OUT_VTX_FMT_0__VTX_POS_PRESENT(1)); + T0V(VAP_OUT_VTX_FMT_1 + , 0x0); + + ////////////////////////////////////////////////////////////////////////////// + // GA_US + ////////////////////////////////////////////////////////////////////////////// + + T0V(US_CODE_RANGE + , US_CODE_RANGE__CODE_ADDR(fragment_shader_instructions) + | US_CODE_RANGE__CODE_SIZE(0) + ); + T0V(US_CODE_OFFSET + , US_CODE_OFFSET__OFFSET_ADDR(fragment_shader_instructions) + ); + T0V(US_CODE_ADDR + , US_CODE_ADDR__START_ADDR(0) + | US_CODE_ADDR__END_ADDR(0) + ); + + ////////////////////////////////////////////////////////////////////////////// + // 3D_DRAW + ////////////////////////////////////////////////////////////////////////////// + + const float center[] = { + 800.0f, 600.0f, + }; + T3(_3D_DRAW_IMMD_2, (1 + 2) - 1); + ib[ix++].u32 + = VAP_VF_CNTL__PRIM_TYPE(1) // point list + | VAP_VF_CNTL__PRIM_WALK(3) + | VAP_VF_CNTL__INDEX_SIZE(0) + | VAP_VF_CNTL__VTX_REUSE_DIS(0) + | VAP_VF_CNTL__DUAL_INDEX_MODE(0) + | VAP_VF_CNTL__USE_ALT_NUM_VERTS(0) + | VAP_VF_CNTL__NUM_VERTICES(1) + ; + for (int i = 0; i < 2; i++) { + ib[ix++].f32 = center[i]; + } + + return ix; +} + +mat4x4 perspective(float low1, float high1, + float low2, float high2, + float low3, float high3) +{ + float scale2 = (high2 - low2) / (high1 - low1); + float scale3 = (high3 - low3) / (high1 - low1); + + mat4x4 m1 = mat4x4(1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, 1, -low1, + 0, 0, 0, 1 + ); + + mat4x4 m2 = mat4x4(1, 0, 0, 0, + 0, 1, 0, 0, + 0, 0, scale2, low2, + 0, 0, scale3, low3 + ); + + return m2 * m1; +} + +int _3d_cube_inner(int ix, mat4x4 trans) +{ + T0V(VAP_PVS_STATE_FLUSH_REG, 0x00000000); + + T0V(VAP_VTX_SIZE + , VAP_VTX_SIZE__DWORDS_PER_VTX(5) + ); + + T0V(VAP_VF_MAX_VTX_INDX + , VAP_VF_MAX_VTX_INDX__MAX_INDX(vertex_count - 1) + ); + T0V(VAP_VF_MIN_VTX_INDX + , VAP_VF_MIN_VTX_INDX__MIN_INDX(0) + ); + + ////////////////////////////////////////////////////////////////////////////// + // VAP_PVS + ////////////////////////////////////////////////////////////////////////////// + + const float consts[] = { + trans[0][0], trans[0][1], trans[0][2], trans[0][3], + trans[1][0], trans[1][1], trans[1][2], trans[1][3], + trans[2][0], trans[2][1], trans[2][2], trans[2][3], + trans[3][0], trans[3][1], trans[3][2], trans[3][3], + }; + const int consts_length = (sizeof (consts)) / (sizeof (consts[0])); + assert(consts_length % 4 == 0); + + T0V(VAP_PVS_CONST_CNTL + , VAP_PVS_CONST_CNTL__PVS_CONST_BASE_OFFSET(0) + | VAP_PVS_CONST_CNTL__PVS_MAX_CONST_ADDR((consts_length / 4) - 1) + ); + + T0V(VAP_PVS_VECTOR_INDX_REG + , VAP_PVS_VECTOR_INDX_REG__OCTWORD_OFFSET(1024) + ); + + T0_ONE_REG(VAP_PVS_VECTOR_DATA_REG_128, (consts_length - 1)); + for (int i = 0; i < consts_length; i++) + ib[ix++].f32 = consts[i]; + + T0V(VAP_PVS_CODE_CNTL_0 + , VAP_PVS_CODE_CNTL_0__PVS_FIRST_INST(0) + | VAP_PVS_CODE_CNTL_0__PVS_XYZW_VALID_INST((vertex_shader_instructions - 1)) + | VAP_PVS_CODE_CNTL_0__PVS_LAST_INST((vertex_shader_instructions - 1)) + ); + T0V(VAP_PVS_CODE_CNTL_1 + , VAP_PVS_CODE_CNTL_1__PVS_LAST_VTX_SRC_INST((vertex_shader_instructions - 1)) + ); + + ////////////////////////////////////////////////////////////////////////////// + // 3D_DRAW + ////////////////////////////////////////////////////////////////////////////// + + T3(_3D_DRAW_IMMD_2, (1 + vertex_count * 5) - 1); + ib[ix++].u32 + = VAP_VF_CNTL__PRIM_TYPE(4) + | VAP_VF_CNTL__PRIM_WALK(3) + | VAP_VF_CNTL__INDEX_SIZE(0) + | VAP_VF_CNTL__VTX_REUSE_DIS(0) + | VAP_VF_CNTL__DUAL_INDEX_MODE(0) + | VAP_VF_CNTL__USE_ALT_NUM_VERTS(0) + | VAP_VF_CNTL__NUM_VERTICES(vertex_count) + ; + + const model * model = &cubesphere_model; + const object * obj = model->object[0]; + for (int i = 0; i < triangle_count; i++) { + for (int j = 0; j < 3; j++) { + vec3 p = model->position[obj->triangle[i][j].position]; + vec2 t = model->texture[obj->triangle[i][j].texture]; + + ib[ix++].f32 = p.x; + ib[ix++].f32 = p.y; + ib[ix++].f32 = p.z; + ib[ix++].f32 = t.x; + ib[ix++].f32 = t.y; + } + } + + return ix; +} + +int _3d_cube(int ix, float theta) +{ + printf("faces length %d\n", vertex_count); + + ////////////////////////////////////////////////////////////////////////////// + // ZB + ////////////////////////////////////////////////////////////////////////////// + + T0V(ZB_CNTL + , ZB_CNTL__Z_ENABLE__ENABLED // 1 + | ZB_CNTL__ZWRITEENABLE__ENABLE // 1 + ); + T0V(ZB_ZSTENCILCNTL + , ZB_ZSTENCILCNTL__ZFUNC(1) // less than + ); + + T0V(ZB_FORMAT + , ZB_FORMAT__DEPTHFORMAT(2) // 24-bit integer Z, 8 bit stencil + ); + + T0V(ZB_DEPTHOFFSET, 0); + T3(_NOP, 0); + ib[ix++].u32 = 1 * 4; // index into relocs array + + T0V(ZB_DEPTHPITCH + , ZB_DEPTHPITCH__DEPTHPITCH(1600 >> 2) + //| ZB_DEPTHPITCH__DEPTHMACROTILE(1) + //| ZB_DEPTHPITCH__DEPTHMICROTILE(1) + ); + T3(_NOP, 0); + ib[ix++].u32 = 1 * 4; // index into relocs array + + ////////////////////////////////////////////////////////////////////////////// + // RS + ////////////////////////////////////////////////////////////////////////////// + + T0V(RS_IP_0 + , RS_IP__TEX_PTR_S(0) + | RS_IP__TEX_PTR_T(1) + | RS_IP__TEX_PTR_R(2) + | RS_IP__TEX_PTR_Q(3) + | RS_IP__COL_PTR(0) + | RS_IP__COL_FMT(0) + | RS_IP__OFFSET_EN(0) + ); + T0V(RS_COUNT + , RS_COUNT__IT_COUNT(4) + | RS_COUNT__IC_COUNT(0) + | RS_COUNT__W_ADDR(0) + | RS_COUNT__HIRES_EN(1) + ); + T0V(RS_INST_COUNT, 0x00000000); + T0V(RS_INST_0 + , RS_INST__TEX_ID(0) + | RS_INST__TEX_CN(1) + | RS_INST__TEX_ADDR(0) + ); + + ////////////////////////////////////////////////////////////////////////////// + // TX + ////////////////////////////////////////////////////////////////////////////// + + T0V(TX_INVALTAGS, 0x00000000); + + T0V(TX_ENABLE + , TX_ENABLE__TEX_0_ENABLE__ENABLE); + T0V(TX_FILTER0_0 + , TX_FILTER0__MAG_FILTER__LINEAR + | TX_FILTER0__MIN_FILTER__LINEAR + ); + T0V(TX_FILTER1_0 + , TX_FILTER1__LOD_BIAS(1) + ); + T0V(TX_BORDER_COLOR_0, 0); + T0V(TX_FORMAT0_0 + , TX_FORMAT0__TXWIDTH(1024 - 1) + | TX_FORMAT0__TXHEIGHT(1024 - 1) + ); + + T0V(TX_FORMAT1_0 + , TX_FORMAT1__TXFORMAT__TX_FMT_8_8_8_8 + | TX_FORMAT1__SEL_ALPHA(5) + | TX_FORMAT1__SEL_RED(0) + | TX_FORMAT1__SEL_GREEN(1) + | TX_FORMAT1__SEL_BLUE(2) + | TX_FORMAT1__TEX_COORD_TYPE__2D + ); + T0V(TX_FORMAT2_0, 0); + + T0V(TX_OFFSET_0 + //, TX_OFFSET__MACRO_TILE(1) + //| TX_OFFSET__MICRO_TILE(1) + , 0 + ); + + T3(_NOP, 0); + ib[ix++].u32 = 2 * 4; // index into relocs array + + ////////////////////////////////////////////////////////////////////////////// + // VAP + ////////////////////////////////////////////////////////////////////////////// + + T0V(VAP_CLIP_CNTL + , VAP_CLIP_CNTL__PS_UCP_MODE(3) + ); + + T0V(VAP_VTE_CNTL + , VAP_VTE_CNTL__VPORT_X_SCALE_ENA(1) + | VAP_VTE_CNTL__VPORT_X_OFFSET_ENA(1) + | VAP_VTE_CNTL__VPORT_Y_SCALE_ENA(1) + | VAP_VTE_CNTL__VPORT_Y_OFFSET_ENA(1) + | VAP_VTE_CNTL__VPORT_Z_SCALE_ENA(0) + | VAP_VTE_CNTL__VPORT_Z_OFFSET_ENA(0) + | VAP_VTE_CNTL__VTX_XY_FMT(0) + | VAP_VTE_CNTL__VTX_Z_FMT(1) + | VAP_VTE_CNTL__VTX_W0_FMT(1) + | VAP_VTE_CNTL__SERIAL_PROC_ENA(0) + ); + + T0V(VAP_CNTL_STATUS, 0); + + T0V(VAP_PROG_STREAM_CNTL_0 + , VAP_PROG_STREAM_CNTL__DATA_TYPE_0__FLOAT_3 + | VAP_PROG_STREAM_CNTL__SKIP_DWORDS_0(0) + | VAP_PROG_STREAM_CNTL__DST_VEC_LOC_0(0) + | VAP_PROG_STREAM_CNTL__LAST_VEC_0(0) + | VAP_PROG_STREAM_CNTL__DATA_TYPE_1__FLOAT_2 + | VAP_PROG_STREAM_CNTL__SKIP_DWORDS_1(0) + | VAP_PROG_STREAM_CNTL__DST_VEC_LOC_1(1) + | VAP_PROG_STREAM_CNTL__LAST_VEC_1(1) + ); + T0V(VAP_PROG_STREAM_CNTL_EXT_0 + , VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_X_0__SELECT_X + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Y_0__SELECT_Y + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Z_0__SELECT_Z + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_W_0__SELECT_FP_ONE + | VAP_PROG_STREAM_CNTL_EXT__WRITE_ENA_0(0b1111) // XYZW + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_X_1__SELECT_X + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Y_1__SELECT_Y + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_Z_1__SELECT_FP_ZERO + | VAP_PROG_STREAM_CNTL_EXT__SWIZZLE_SELECT_W_1__SELECT_FP_ONE + | VAP_PROG_STREAM_CNTL_EXT__WRITE_ENA_1(0b1111) // XYZW + ); + + T0V(VAP_INDEX_OFFSET, 0x00000000); + + T0V(VAP_OUT_VTX_FMT_0 + , VAP_OUT_VTX_FMT_0__VTX_POS_PRESENT(1)); + T0V(VAP_OUT_VTX_FMT_1 + , VAP_OUT_VTX_FMT_1__TEX_0_COMP_CNT(4)); + + ////////////////////////////////////////////////////////////////////////////// + // GA_US + ////////////////////////////////////////////////////////////////////////////// + + T0V(US_CODE_RANGE + , US_CODE_RANGE__CODE_ADDR(0) + | US_CODE_RANGE__CODE_SIZE(fragment_shader_instructions - 1) + ); + T0V(US_CODE_OFFSET + , US_CODE_OFFSET__OFFSET_ADDR(0) + ); + T0V(US_CODE_ADDR + , US_CODE_ADDR__START_ADDR(0) + | US_CODE_ADDR__END_ADDR(fragment_shader_instructions - 1) + ); + + ////////////////////////////////////////////////////////////////////////////// + // matrix + ////////////////////////////////////////////////////////////////////////////// + + float theta1 = theta; + float theta2 = theta; + + mat4x4 aspect = scale(vec3(3.0f/4.0f, 1, 1)); + + mat4x4 p = perspective(0.01f, 5.0f, + 0.001f, 0.999f, + 0.5f, 2.0f); + + if (1) { + mat4x4 t = translate(vec3(0, 0, 3)); + mat4x4 rx = rotate_x(theta1); + mat4x4 ry = rotate_y(theta2 * 2.0f); + mat4x4 s = scale(0.7f); + mat4x4 trans = aspect * p * t * rx * ry * s; + + ix = _3d_cube_inner(ix, trans); + } + if (1) { + mat4x4 t = translate(vec3(0, 0, 3)); + mat4x4 t1 = translate(vec3(1, 1, 1)); + mat4x4 s = scale(0.1f); + mat4x4 rz = rotate_y(theta * 2.f); + mat4x4 trans = aspect * p * t * rz * t1 * s; + + ix = _3d_cube_inner(ix, trans); + } + + return ix; +} + +int indirect_buffer(float theta) +{ + int ix = 0; + + T0V(RB3D_DSTCACHE_CTLSTAT + , RB3D_DSTCACHE_CTLSTAT__DC_FLUSH(0x2) // Flush dirty 3D data + | RB3D_DSTCACHE_CTLSTAT__DC_FREE(0x2) // Free 3D tags + ); + + T0V(ZB_ZCACHE_CTLSTAT + , ZB_ZCACHE_CTLSTAT__ZC_FLUSH(1) + | ZB_ZCACHE_CTLSTAT__ZC_FREE(1) + ); + + T0V(WAIT_UNTIL, 0x00020000); + + T0V(GB_AA_CONFIG, 0x00000000); + + T0V(RB3D_AARESOLVE_CTL, 0x00000000); + + T0V(RB3D_CCTL + , RB3D_CCTL__INDEPENDENT_COLORFORMAT_ENABLE(1) + ); + + T0V(ZB_BW_CNTL, 0x00000000); + T0V(ZB_DEPTHCLEARVALUE, 0x00000000); + T0V(SC_HYPERZ_EN, 0x00000000); + T0V(GB_Z_PEQ_CONFIG, 0x00000000); + T0V(ZB_ZTOP + , ZB_ZTOP__ZTOP(1) + ); + T0V(FG_ALPHA_FUNC, 0x00000000); + T0V(ZB_STENCILREFMASK, 0x00000000); + T0V(ZB_STENCILREFMASK_BF, 0x00000000); + + T0V(FG_ALPHA_VALUE, 0x00000000); + T0V(RB3D_ROPCNTL, 0x00000000); + T0V(RB3D_BLENDCNTL, 0x00000000); + T0V(RB3D_ABLENDCNTL, 0x00000000); + T0V(RB3D_COLOR_CHANNEL_MASK + , RB3D_COLOR_CHANNEL_MASK__BLUE_MASK(1) + | RB3D_COLOR_CHANNEL_MASK__GREEN_MASK(1) + | RB3D_COLOR_CHANNEL_MASK__RED_MASK(1) + | RB3D_COLOR_CHANNEL_MASK__ALPHA_MASK(1) + ); + T0V(RB3D_DITHER_CTL, 0x00000000); + T0V(RB3D_CONSTANT_COLOR_AR, 0x00000000); + T0V(RB3D_CONSTANT_COLOR_GB, 0x00000000); + + T0V(SC_CLIP_0_A, 0x00000000); + T0V(SC_CLIP_0_B, 0xffffffff); + T0V(SC_SCREENDOOR, 0x00ffffff); + + T0V(GB_SELECT, 0x00000000); + T0V(FG_FOG_BLEND, 0x00000000); + T0V(GA_OFFSET, 0x00000000); + T0V(SU_TEX_WRAP, 0x00000000); + T0Vf(SU_DEPTH_SCALE, 16777215.0f); + T0V(SU_DEPTH_OFFSET, 0x00000000); + T0V(SC_EDGERULE + , SC_EDGERULE__ER_TRI(5) // L-in,R-out,HT-in,HB-in + | SC_EDGERULE__ER_POINT(9) // L-out,R-in,HT-in,HB-out + | SC_EDGERULE__ER_LINE_LR(5) // L-in,R-out,HT-in,HB-out + | SC_EDGERULE__ER_LINE_RL(9) // L-out,R-in,HT-in,HB-out + | SC_EDGERULE__ER_LINE_TB(26) // T-in,B-out,VL-out,VR-in + | SC_EDGERULE__ER_LINE_BT(22) // T-out,B-in,VL-out,VR-in + ); + T0V(RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD + , RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD__BLUE(1) + | RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD__GREEN(1) + | RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD__RED(1) + | RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD__ALPHA(1) + ); + T0V(RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD + , RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD__BLUE(254) + | RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD__GREEN(254) + | RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD__RED(254) + | RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD__ALPHA(254) + ); + T0V(GA_COLOR_CONTROL_PS3, 0x00000000); + T0V(SU_TEX_WRAP_PS3, 0x00000000); + T0V(VAP_PVS_STATE_FLUSH_REG, 0x00000000); + T0V(VAP_PVS_VTX_TIMEOUT_REG + , VAP_PVS_VTX_TIMEOUT_REG__CLK_COUNT(0xffff) + ); + T0Vf(VAP_GB_VERT_CLIP_ADJ, 1.0f); + T0Vf(VAP_GB_VERT_DISC_ADJ, 1.0f); + T0Vf(VAP_GB_HORZ_CLIP_ADJ, 1.0f); + T0Vf(VAP_GB_HORZ_DISC_ADJ, 1.0f); + T0V(VAP_PSC_SGN_NORM_CNTL + , VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_0(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_1(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_2(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_3(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_4(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_5(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_6(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_7(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_8(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_9(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_10(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_11(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_12(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_13(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_14(2) + | VAP_PSC_SGN_NORM_CNTL__SGN_NORM_METHOD_15(2) + ); + T0V(VAP_TEX_TO_COLOR_CNTL, 0x00000000); + + T0V(VAP_CNTL + , VAP_CNTL__PVS_NUM_SLOTS(10) + | VAP_CNTL__PVS_NUM_CNTLRS(5) + | VAP_CNTL__PVS_NUM_FPUS(5) + | VAP_CNTL__VAP_NO_RENDER(0) + | VAP_CNTL__VF_MAX_VTX_NUM(12) + | VAP_CNTL__DX_CLIP_SPACE_DEF(0) + | VAP_CNTL__TCL_STATE_OPTIMIZATION(1) + ); + T0V(VAP_PVS_FLOW_CNTL_OPC, 0x00000000); + + T0(VAP_PVS_FLOW_CNTL_ADDRS_LW_0, 31); + for (int i = 0; i < 32; i++) + ib[ix++].u32 = 0x00000000; + + T0(VAP_PVS_FLOW_CNTL_LOOP_INDEX_0, 15); + for (int i = 0; i < 16; i++) + ib[ix++].u32 = 0x00000000; + + T0V(VAP_PVS_VECTOR_INDX_REG + , VAP_PVS_VECTOR_INDX_REG__OCTWORD_OFFSET(1536)); + T0_ONE_REG(VAP_PVS_VECTOR_DATA_REG_128, 23); + for (int i = 0; i < 24; i++) + ib[ix++].u32 = 0x00000000; + + T0V(VAP_VTX_STATE_CNTL + , VAP_VTX_STATE_CNTL__COLOR_0_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_1_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_2_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_3_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_4_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_5_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_6_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__COLOR_7_ASSEMBLY_CNTL(1) + | VAP_VTX_STATE_CNTL__UPDATE_USER_COLOR_0_ENA(0) + ); + + T0V(GB_ENABLE, 0x00000000); + T0V(GA_POINT_SIZE + , GA_POINT_SIZE__HEIGHT(7200) + | GA_POINT_SIZE__WIDTH(9600) + ); + T0V(GA_POINT_MINMAX + , GA_POINT_MINMAX__MIN_SIZE(60) + | GA_POINT_MINMAX__MAX_SIZE(60) + ); + T0V(GA_LINE_CNTL + , GA_LINE_CNTL__WIDTH(6) + | GA_LINE_CNTL__END_TYPE(2) + | GA_LINE_CNTL__SORT(0) + ); + T0V(SU_POLY_OFFSET_ENABLE, 0x00000000); + T0V(SU_CULL_MODE, 0x00000000); + T0V(GA_LINE_STIPPLE_CONFIG, 0x00000000); + T0V(GA_LINE_STIPPLE_VALUE, 0x00000000); + T0V(GA_POLY_MODE, 0x00000000); + T0V(GA_ROUND_MODE + , GA_ROUND_MODE__GEOMETRY_ROUND(1) + | GA_ROUND_MODE__COLOR_ROUND(0) + | GA_ROUND_MODE__RGB_CLAMP(1) + | GA_ROUND_MODE__ALPHA_CLAMP(1) + | GA_ROUND_MODE__GEOMETRY_MASK(0) + ); + T0V(SC_CLIP_RULE + , SC_CLIP_RULE__CLIP_RULE(0xffff)); + T0Vf(GA_POINT_S0, 0.0f); + T0Vf(GA_POINT_T0, 1.0f); + T0Vf(GA_POINT_S1, 1.0f); + T0Vf(GA_POINT_T1, 0.0f); + T0V(US_OUT_FMT_0 + , US_OUT_FMT__OUT_FMT(0) // C4_8 + | US_OUT_FMT__C0_SEL(3) // Blue + | US_OUT_FMT__C1_SEL(2) // Green + | US_OUT_FMT__C2_SEL(1) // Red + | US_OUT_FMT__C3_SEL(0) // Alpha + | US_OUT_FMT__OUT_SIGN(0) + ); + T0V(US_OUT_FMT_1 + , US_OUT_FMT__OUT_FMT(15) // render target is not used + ); + T0V(US_OUT_FMT_2 + , US_OUT_FMT__OUT_FMT(15) // render target is not used + ); + T0V(US_OUT_FMT_2 + , US_OUT_FMT__OUT_FMT(15) // render target is not used + ); + T0V(GB_MSPOS0 + , GB_MSPOS0__MS_X0(6) + | GB_MSPOS0__MS_Y0(6) + | GB_MSPOS0__MS_X1(6) + | GB_MSPOS0__MS_Y1(6) + | GB_MSPOS0__MS_X2(6) + | GB_MSPOS0__MS_Y2(6) + | GB_MSPOS0__MSBD0_Y(6) + | GB_MSPOS0__MSBD0_X(6) + ); + T0V(GB_MSPOS1 + , GB_MSPOS1__MS_X3(6) + | GB_MSPOS1__MS_Y3(6) + | GB_MSPOS1__MS_X4(6) + | GB_MSPOS1__MS_Y4(6) + | GB_MSPOS1__MS_X5(6) + | GB_MSPOS1__MS_Y5(6) + | GB_MSPOS1__MSBD1(6) + ); + T0V(US_CONFIG + , US_CONFIG__ZERO_TIMES_ANYTHING_EQUALS_ZERO(1) + ); + T0V(US_PIXSIZE + , US_PIXSIZE__PIX_SIZE(1) + ); + T0V(US_FC_CTRL, 0); + + T0V(FG_DEPTH_SRC, 0x00000000); + T0V(US_W_FMT, 0x00000000); + T0V(GA_COLOR_CONTROL + , GA_COLOR_CONTROL__RGB0_SHADING(2) + | GA_COLOR_CONTROL__ALPHA0_SHADING(2) + | GA_COLOR_CONTROL__RGB1_SHADING(2) + | GA_COLOR_CONTROL__ALPHA1_SHADING(2) + | GA_COLOR_CONTROL__RGB2_SHADING(2) + | GA_COLOR_CONTROL__ALPHA2_SHADING(2) + | GA_COLOR_CONTROL__RGB3_SHADING(2) + | GA_COLOR_CONTROL__ALPHA3_SHADING(2) + | GA_COLOR_CONTROL__PROVOKING_VERTEX(3) + ); + + ////////////////////////////////////////////////////////////////////////////// + // CB + ////////////////////////////////////////////////////////////////////////////// + + T0V(RB3D_COLOROFFSET0 + , 0x00000000 // value replaced by kernel from relocs + ); + T3(_NOP, 0); + ib[ix++].u32 = 0 * 4; // index into relocs array + + T0V(RB3D_COLORPITCH0 + , RB3D_COLORPITCH__COLORPITCH(1600 >> 1) + | RB3D_COLORPITCH__COLORFORMAT(6) // ARGB8888 + ); + // The COLORPITCH NOP is ignored/not applied due to + // RADEON_CS_KEEP_TILING_FLAGS, but is still required. + T3(_NOP, 0); + ib[ix++].u32 = 0 * 4; // index into relocs array + + ////////////////////////////////////////////////////////////////////////////// + // SC + ////////////////////////////////////////////////////////////////////////////// + + T0V(SC_SCISSOR0 + , SC_SCISSOR0__XS0(0) + | SC_SCISSOR0__YS0(0) + ); + T0V(SC_SCISSOR1 + , SC_SCISSOR1__XS1(1600 - 1) + | SC_SCISSOR1__YS1(1200 - 1) + ); + + ////////////////////////////////////////////////////////////////////////////// + // VAP + ////////////////////////////////////////////////////////////////////////////// + + T0Vf(VAP_VPORT_XSCALE, 800.0f); + T0Vf(VAP_VPORT_XOFFSET, 800.0f); + T0Vf(VAP_VPORT_YSCALE, -600.0f); + T0Vf(VAP_VPORT_YOFFSET, 600.0f); + T0Vf(VAP_VPORT_ZSCALE, 0.5f); + T0Vf(VAP_VPORT_ZOFFSET, 0.5f); + + T0V(VAP_VSM_VTX_ASSM + , 0x00000401); // undocumented + + ////////////////////////////////////////////////////////////////////////////// + // VAP_PVS + ////////////////////////////////////////////////////////////////////////////// + + printf("vs length %d\n", vertex_shader_length); + assert(vertex_shader_length % 4 == 0); + printf("vs instructions %d\n", vertex_shader_instructions); + + T0V(VAP_PVS_VECTOR_INDX_REG + , VAP_PVS_VECTOR_INDX_REG__OCTWORD_OFFSET(0) + ); + T0_ONE_REG(VAP_PVS_VECTOR_DATA_REG_128, vertex_shader_length - 1); + for (int i = 0; i < vertex_shader_length; i++) { + ib[ix++].u32 = vertex_shader[i]; + } + + ////////////////////////////////////////////////////////////////////////////// + // GA_US + ////////////////////////////////////////////////////////////////////////////// + + printf("fs length %d\n", fragment_shader_length); + assert(fragment_shader_length % 6 == 0); + printf("fs instructions %d\n", fragment_shader_instructions); + + T0V(GA_US_VECTOR_INDEX, 0x00000000); + T0_ONE_REG(GA_US_VECTOR_DATA, fragment_shader_length - 1); + for (int i = 0; i < fragment_shader_length; i++) { + ib[ix++].u32 = fragment_shader[i]; + } + + ////////////////////////////////////////////////////////////////////////////// + // DRAW + ////////////////////////////////////////////////////////////////////////////// + + ix = _3d_clear(ix); + ix = _3d_cube(ix, theta); + + ////////////////////////////////////////////////////////////////////////////// + // padding + ////////////////////////////////////////////////////////////////////////////// + + while ((ix % 8) != 0) { + ib[ix++].u32 = 0x80000000; + } + + return ix; +} + +int create_colorbuffer(int fd, int colorbuffer_size, void ** out_ptr) +{ + int ret; + + struct drm_radeon_gem_create args = { + .size = colorbuffer_size, + .alignment = 4096, + .handle = 0, + .initial_domain = 4, // RADEON_GEM_DOMAIN_VRAM + .flags = 4 + }; + + ret = drmCommandWriteRead(fd, DRM_RADEON_GEM_CREATE, &args, (sizeof (struct drm_radeon_gem_create))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_GEM_CREATE)"); + } + assert(args.handle != 0); + + struct drm_radeon_gem_mmap mmap_args = { + .handle = args.handle, + .offset = 0, + .size = colorbuffer_size, + }; + ret = drmCommandWriteRead(fd, DRM_RADEON_GEM_MMAP, &mmap_args, (sizeof (struct drm_radeon_gem_mmap))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_GEM_MMAP)"); + } + + void * ptr = mmap(0, + colorbuffer_size, + PROT_READ | PROT_WRITE, + MAP_SHARED, + fd, + mmap_args.addr_ptr); + assert(ptr != MAP_FAILED); + + // clear colorbuffer + for (int i = 0; i < colorbuffer_size / 4; i++) { + ((uint32_t*)ptr)[i] = 0x00000000; + } + asm volatile ("" ::: "memory"); + + if (out_ptr != NULL) { + *out_ptr = ptr; + } else { + munmap(ptr, colorbuffer_size); + } + + return args.handle; +} + +int main() +{ + ////////////////////////////////////////////////////////////////////////////// + // PCI resource0 + ////////////////////////////////////////////////////////////////////////////// + const char * resource2_path = "/sys/bus/pci/devices/0000:01:00.0/resource2"; + int resource2_fd = open(resource2_path, O_RDWR | O_SYNC); + assert(resource2_fd >= 0); + + uint32_t resource2_size = 0x10000; + void * resource2_base = mmap(0, resource2_size, PROT_READ | PROT_WRITE, MAP_SHARED, resource2_fd, 0); + assert(resource2_base != MAP_FAILED); + + void * rmmio = resource2_base; + + ////////////////////////////////////////////////////////////////////////////// + // DRI card0 + ////////////////////////////////////////////////////////////////////////////// + + int ret; + int fd = open("/dev/dri/card0", O_RDWR | O_CLOEXEC); + + const int colorbuffer_size = 1600 * 1200 * 4; + int colorbuffer_handle[2]; + int zbuffer_handle; + int texturebuffer_handle; + int flush_handle; + + void * colorbuffer_ptr[2]; + void * zbuffer_ptr; + + // colorbuffer + colorbuffer_handle[0] = create_colorbuffer(fd, colorbuffer_size, &colorbuffer_ptr[0]); + colorbuffer_handle[1] = create_colorbuffer(fd, colorbuffer_size, &colorbuffer_ptr[1]); + zbuffer_handle = create_colorbuffer(fd, colorbuffer_size, &zbuffer_ptr); + + fprintf(stderr, "colorbuffer handle[0] %d\n", colorbuffer_handle[0]); + fprintf(stderr, "colorbuffer handle[1] %d\n", colorbuffer_handle[1]); + fprintf(stderr, "zbuffer handle %d\n", zbuffer_handle); + + // texture + { + const int texture_size = 1024 * 1024 * 4; + + struct drm_radeon_gem_create args = { + .size = texture_size, + .alignment = 4096, + .handle = 0, + .initial_domain = 4, // RADEON_GEM_DOMAIN_VRAM + .flags = 4 + }; + + ret = drmCommandWriteRead(fd, DRM_RADEON_GEM_CREATE, &args, (sizeof (struct drm_radeon_gem_create))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_GEM_CREATE)"); + } + assert(args.handle != 0); + + texturebuffer_handle = args.handle; + + struct drm_radeon_gem_mmap mmap_args = { + .handle = texturebuffer_handle, + .offset = 0, + .size = texture_size, + }; + ret = drmCommandWriteRead(fd, DRM_RADEON_GEM_MMAP, &mmap_args, (sizeof (struct drm_radeon_gem_mmap))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_GEM_MMAP)"); + } + + void * texturebuffer_ptr = mmap(0, mmap_args.size, PROT_READ|PROT_WRITE, MAP_SHARED, + fd, mmap_args.addr_ptr); + assert(texturebuffer_ptr != MAP_FAILED); + + // copy texture + void * texture_buf = read_file("../texture/butterfly_1024x1024_argb8888.data"); + assert(texture_buf != NULL); + + for (int i = 0; i < texture_size / 4; i++) { + ((uint32_t*)texturebuffer_ptr)[i] = ((uint32_t*)texture_buf)[i]; + } + asm volatile ("" ::: "memory"); + free(texture_buf); + munmap(texturebuffer_ptr, texture_size); + } + + // flush + { + struct drm_radeon_gem_create args = { + .size = 4096, + .alignment = 4096, + .handle = 0, + .initial_domain = 2, // GTT + .flags = 0 + }; + + ret = drmCommandWriteRead(fd, DRM_RADEON_GEM_CREATE, + &args, (sizeof (args))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_GEM_CREATE)"); + } + assert(args.handle != 0); + flush_handle = args.handle; + } + + uint32_t flags[2] = { + 5, // RADEON_CS_KEEP_TILING_FLAGS | RADEON_CS_END_OF_FRAME + 0, // RADEON_CS_RING_GFX + }; + + int colorbuffer_ix = 0; + float theta = 3.14 / 4.0; + int ib_dwords = indirect_buffer(theta); + + while (true) { + struct drm_radeon_cs_reloc relocs[] = { + { + .handle = colorbuffer_handle[colorbuffer_ix], + .read_domains = 4, // RADEON_GEM_DOMAIN_VRAM + .write_domain = 4, // RADEON_GEM_DOMAIN_VRAM + .flags = 8, + }, + { + .handle = zbuffer_handle, + .read_domains = 4, // RADEON_GEM_DOMAIN_VRAM + .write_domain = 4, // RADEON_GEM_DOMAIN_VRAM + .flags = 8, + }, + { + .handle = texturebuffer_handle, + .read_domains = 4, // RADEON_GEM_DOMAIN_VRAM + .write_domain = 4, // RADEON_GEM_DOMAIN_VRAM + .flags = 8, + }, + { + .handle = flush_handle, + .read_domains = 2, // RADEON_GEM_DOMAIN_GTT + .write_domain = 2, // RADEON_GEM_DOMAIN_GTT + .flags = 0, + } + }; + + struct drm_radeon_cs_chunk chunks[3] = { + { + .chunk_id = RADEON_CHUNK_ID_IB, + .length_dw = ib_dwords, + .chunk_data = (uint64_t)(uintptr_t)ib, + }, + { + .chunk_id = RADEON_CHUNK_ID_RELOCS, + .length_dw = (sizeof (relocs)) / (sizeof (uint32_t)), + .chunk_data = (uint64_t)(uintptr_t)relocs, + }, + { + .chunk_id = RADEON_CHUNK_ID_FLAGS, + .length_dw = (sizeof (flags)) / (sizeof (uint32_t)), + .chunk_data = (uint64_t)(uintptr_t)&flags, + }, + }; + + uint64_t chunks_array[3] = { + (uint64_t)(uintptr_t)&chunks[0], + (uint64_t)(uintptr_t)&chunks[1], + (uint64_t)(uintptr_t)&chunks[2], + }; + + struct drm_radeon_cs cs = { + .num_chunks = 3, + .cs_id = 0, + .chunks = (uint64_t)(uintptr_t)chunks_array, + .gart_limit = 0, + .vram_limit = 0, + }; + + ret = drmCommandWriteRead(fd, DRM_RADEON_CS, &cs, (sizeof (struct drm_radeon_cs))); + if (ret != 0) { + perror("drmCommandWriteRead(DRM_RADEON_CS)"); + } + + /* + struct drm_radeon_gem_wait_idle args = { + .handle = flush_handle + }; + while (drmCommandWrite(fd, DRM_RADEON_GEM_WAIT_IDLE, &args, (sizeof (struct drm_radeon_gem_wait_idle))) == -EBUSY); + */ +#define D1CRTC_DOUBLE_BUFFER_CONTROL 0x60ec +#define D1GRPH_PRIMARY_SURFACE_ADDRESS 0x6110 +#define D1GRPH_UPDATE 0x6144 +#define D1GRPH_UPDATE__D1GRPH_SURFACE_UPDATE_PENDING (1 << 2) + + uint32_t d1crtc_double_buffer_control = rreg(rmmio, D1CRTC_DOUBLE_BUFFER_CONTROL); + printf("D1CRTC_DOUBLE_BUFFER_CONTROL: %08x\n", d1crtc_double_buffer_control); + assert(d1crtc_double_buffer_control == (1 << 8)); + + // addresses were retrieved from /sys/kernel/debug/radeon_vram_mm + // + // This assumes GEM buffer allocation always starts from the lowest + // unallocated address. + const uint32_t colorbuffer_addresses[2] = { + 0x813000, + 0xf66000, + }; + + wreg(rmmio, D1GRPH_PRIMARY_SURFACE_ADDRESS, colorbuffer_addresses[colorbuffer_ix]); + while ((rreg(rmmio, D1GRPH_UPDATE) & D1GRPH_UPDATE__D1GRPH_SURFACE_UPDATE_PENDING) != 0); + + // next state + theta += 0.01f; + colorbuffer_ix = (colorbuffer_ix + 1) & 1; + + // next indirect buffer + ib_dwords = indirect_buffer(theta); + + } + + { + int out_fd = open("colorbuffer0.data", O_RDWR|O_CREAT, 0644); + assert(out_fd >= 0); + ssize_t write_length = write(out_fd, colorbuffer_ptr[0], colorbuffer_size); + assert(write_length == colorbuffer_size); + close(out_fd); + } + + { + int out_fd = open("colorbuffer1.data", O_RDWR|O_CREAT, 0644); + assert(out_fd >= 0); + ssize_t write_length = write(out_fd, colorbuffer_ptr[1], colorbuffer_size); + assert(write_length == colorbuffer_size); + close(out_fd); + } + + { + int out_fd = open("zbuffer.data", O_RDWR|O_CREAT, 0644); + assert(out_fd >= 0); + ssize_t write_length = write(out_fd, zbuffer_ptr, colorbuffer_size); + assert(write_length == colorbuffer_size); + close(out_fd); + } + + close(fd); +} diff --git a/model/cubesphere.h b/model/cubesphere.h new file mode 100644 index 0000000..9b23f85 --- /dev/null +++ b/model/cubesphere.h @@ -0,0 +1,1306 @@ +#pragma once + +const vec3 cubesphere_position[] = { + {-0.500000f, -0.500000f, 0.500000f}, + {-0.500000f, 0.500000f, 0.500000f}, + {-0.500000f, -0.500000f, -0.500000f}, + {-0.500000f, 0.500000f, -0.500000f}, + {0.500000f, -0.500000f, 0.500000f}, + {0.500000f, 0.500000f, 0.500000f}, + {0.500000f, -0.500000f, -0.500000f}, + {0.500000f, 0.500000f, -0.500000f}, + {-0.572933f, -0.572933f, -0.296650f}, + {-0.609568f, -0.609568f, 0.000000f}, + {-0.572933f, -0.572933f, 0.296650f}, + {-0.572933f, -0.296650f, 0.572933f}, + {-0.609568f, -0.000000f, 0.609568f}, + {-0.572933f, 0.296650f, 0.572933f}, + {-0.572933f, 0.572933f, 0.296650f}, + {-0.609568f, 0.609568f, 0.000000f}, + {-0.572933f, 0.572933f, -0.296650f}, + {-0.572933f, 0.296650f, -0.572933f}, + {-0.609568f, -0.000000f, -0.609568f}, + {-0.572933f, -0.296650f, -0.572933f}, + {0.296650f, -0.572933f, -0.572933f}, + {0.000000f, -0.609568f, -0.609568f}, + {-0.296650f, -0.572933f, -0.572933f}, + {-0.296650f, 0.572933f, -0.572933f}, + {-0.000000f, 0.609568f, -0.609568f}, + {0.296650f, 0.572933f, -0.572933f}, + {0.572933f, 0.296650f, -0.572933f}, + {0.609568f, -0.000000f, -0.609568f}, + {0.572933f, -0.296650f, -0.572933f}, + {0.572933f, -0.572933f, 0.296650f}, + {0.609568f, -0.609568f, 0.000000f}, + {0.572933f, -0.572933f, -0.296650f}, + {0.572933f, 0.572933f, -0.296650f}, + {0.609568f, 0.609568f, -0.000000f}, + {0.572933f, 0.572933f, 0.296650f}, + {0.572933f, 0.296650f, 0.572933f}, + {0.609568f, -0.000000f, 0.609568f}, + {0.572933f, -0.296650f, 0.572933f}, + {-0.296650f, -0.572933f, 0.572933f}, + {-0.000000f, -0.609568f, 0.609568f}, + {0.296650f, -0.572933f, 0.572933f}, + {0.296650f, 0.572933f, 0.572933f}, + {0.000000f, 0.609568f, 0.609568f}, + {-0.296650f, 0.572933f, 0.572933f}, + {-0.728990f, -0.316157f, 0.316157f}, + {-0.781829f, -0.000000f, 0.333140f}, + {-0.728990f, 0.316157f, 0.316157f}, + {-0.781829f, -0.333140f, -0.000000f}, + {-0.839506f, 0.000000f, 0.000000f}, + {-0.781829f, 0.333140f, 0.000000f}, + {-0.728990f, -0.316157f, -0.316157f}, + {-0.781829f, 0.000000f, -0.333140f}, + {-0.728990f, 0.316157f, -0.316157f}, + {-0.316157f, -0.316157f, -0.728990f}, + {-0.333140f, -0.000000f, -0.781829f}, + {-0.316157f, 0.316157f, -0.728990f}, + {0.000000f, -0.333140f, -0.781829f}, + {0.000000f, 0.000000f, -0.839506f}, + {-0.000000f, 0.333140f, -0.781829f}, + {0.316157f, -0.316157f, -0.728990f}, + {0.333140f, 0.000000f, -0.781829f}, + {0.316157f, 0.316157f, -0.728990f}, + {0.728990f, -0.316157f, -0.316157f}, + {0.781829f, -0.000000f, -0.333140f}, + {0.728990f, 0.316157f, -0.316157f}, + {0.781829f, -0.333140f, 0.000000f}, + {0.839506f, 0.000000f, 0.000000f}, + {0.781829f, 0.333140f, -0.000000f}, + {0.728990f, -0.316157f, 0.316157f}, + {0.781829f, 0.000000f, 0.333140f}, + {0.728990f, 0.316157f, 0.316157f}, + {0.316157f, -0.316157f, 0.728990f}, + {0.333140f, -0.000000f, 0.781829f}, + {0.316157f, 0.316157f, 0.728990f}, + {-0.000000f, -0.333140f, 0.781829f}, + {-0.000000f, 0.000000f, 0.839506f}, + {0.000000f, 0.333140f, 0.781829f}, + {-0.316157f, -0.316157f, 0.728990f}, + {-0.333140f, 0.000000f, 0.781829f}, + {-0.316157f, 0.316157f, 0.728990f}, + {-0.316157f, -0.728990f, -0.316157f}, + {-0.000000f, -0.781829f, -0.333140f}, + {0.316157f, -0.728990f, -0.316157f}, + {-0.333140f, -0.781829f, 0.000000f}, + {-0.000000f, -0.839506f, 0.000000f}, + {0.333140f, -0.781829f, -0.000000f}, + {-0.316157f, -0.728990f, 0.316157f}, + {0.000000f, -0.781829f, 0.333140f}, + {0.316157f, -0.728990f, 0.316157f}, + {0.316157f, 0.728990f, -0.316157f}, + {0.000000f, 0.781829f, -0.333140f}, + {-0.316157f, 0.728990f, -0.316157f}, + {0.333140f, 0.781829f, 0.000000f}, + {-0.000000f, 0.839506f, 0.000000f}, + {-0.333140f, 0.781829f, 0.000000f}, + {0.316157f, 0.728990f, 0.316157f}, + {-0.000000f, 0.781829f, 0.333140f}, + {-0.316157f, 0.728990f, 0.316157f}, +}; + +const vec2 cubesphere_texture[] = { + {0.250000f, 0.250000f}, + {0.500000f, 0.500000f}, + {0.250000f, 0.500000f}, + {0.750000f, 0.250000f}, + {0.500000f, 0.250000f}, + {0.250000f, 0.750000f}, + {0.750000f, 0.750000f}, + {0.500000f, 0.750000f}, + {0.000000f, 0.000000f}, + {0.000000f, 0.250000f}, + {0.250000f, 0.000000f}, + {0.750000f, 0.000000f}, + {0.500000f, 0.000000f}, + {1.000000f, 0.000000f}, + {1.000000f, 0.250000f}, + {0.750000f, 0.500000f}, + {1.000000f, 0.750000f}, + {1.000000f, 1.000000f}, + {0.750000f, 1.000000f}, + {0.500000f, 1.000000f}, + {0.250000f, 1.000000f}, + {0.000000f, 1.000000f}, + {0.000000f, 0.750000f}, + {0.000000f, 0.500000f}, + {1.000000f, 0.500000f}, +}; + +const vec3 cubesphere_normal[] = { + {-0.9708f, -0.1681f, 0.1713f}, + {-0.9708f, 0.1713f, 0.1681f}, + {-0.9708f, -0.1681f, -0.1713f}, + {-0.9708f, 0.1713f, -0.1681f}, + {-0.7501f, -0.4896f, 0.4446f}, + {-0.8367f, -0.1678f, 0.5213f}, + {-0.8367f, 0.1677f, 0.5214f}, + {-0.7501f, 0.4446f, 0.4896f}, + {-0.8367f, 0.5213f, 0.1678f}, + {-0.8367f, 0.5213f, -0.1678f}, + {-0.7501f, 0.4446f, -0.4896f}, + {-0.8367f, 0.1677f, -0.5214f}, + {-0.8367f, -0.1678f, -0.5213f}, + {-0.7501f, -0.4896f, -0.4446f}, + {-0.8367f, -0.5214f, -0.1677f}, + {-0.8367f, -0.5214f, 0.1677f}, + {-0.1713f, -0.1681f, -0.9708f}, + {-0.1681f, 0.1713f, -0.9708f}, + {0.1713f, -0.1681f, -0.9708f}, + {0.1681f, 0.1713f, -0.9708f}, + {-0.4446f, -0.4896f, -0.7501f}, + {-0.5213f, -0.1678f, -0.8367f}, + {-0.5214f, 0.1677f, -0.8367f}, + {-0.4896f, 0.4446f, -0.7501f}, + {-0.1678f, 0.5213f, -0.8367f}, + {0.1678f, 0.5213f, -0.8367f}, + {0.4896f, 0.4446f, -0.7501f}, + {0.5214f, 0.1677f, -0.8367f}, + {0.5213f, -0.1678f, -0.8367f}, + {0.4446f, -0.4896f, -0.7501f}, + {0.1677f, -0.5214f, -0.8367f}, + {-0.1677f, -0.5214f, -0.8367f}, + {0.9708f, -0.1681f, -0.1713f}, + {0.9708f, 0.1713f, -0.1681f}, + {0.9708f, -0.1681f, 0.1713f}, + {0.9708f, 0.1713f, 0.1681f}, + {0.7501f, -0.4896f, -0.4446f}, + {0.8367f, -0.1678f, -0.5213f}, + {0.8367f, 0.1677f, -0.5214f}, + {0.7501f, 0.4446f, -0.4896f}, + {0.8367f, 0.5213f, -0.1678f}, + {0.8367f, 0.5213f, 0.1678f}, + {0.7501f, 0.4446f, 0.4896f}, + {0.8367f, 0.1677f, 0.5214f}, + {0.8367f, -0.1678f, 0.5213f}, + {0.7501f, -0.4896f, 0.4446f}, + {0.8367f, -0.5214f, 0.1677f}, + {0.8367f, -0.5214f, -0.1677f}, + {0.1713f, -0.1681f, 0.9708f}, + {0.1681f, 0.1713f, 0.9708f}, + {-0.1713f, -0.1681f, 0.9708f}, + {-0.1681f, 0.1713f, 0.9708f}, + {0.4446f, -0.4896f, 0.7501f}, + {0.5213f, -0.1678f, 0.8367f}, + {0.5214f, 0.1677f, 0.8367f}, + {0.4896f, 0.4446f, 0.7501f}, + {0.1678f, 0.5213f, 0.8367f}, + {-0.1678f, 0.5213f, 0.8367f}, + {-0.4896f, 0.4446f, 0.7501f}, + {-0.5214f, 0.1677f, 0.8367f}, + {-0.5213f, -0.1678f, 0.8367f}, + {-0.4446f, -0.4896f, 0.7501f}, + {-0.1677f, -0.5214f, 0.8367f}, + {0.1677f, -0.5214f, 0.8367f}, + {-0.1681f, -0.9708f, -0.1713f}, + {0.1713f, -0.9708f, -0.1681f}, + {-0.1681f, -0.9708f, 0.1713f}, + {0.1713f, -0.9708f, 0.1681f}, + {-0.4896f, -0.7501f, -0.4446f}, + {-0.1678f, -0.8367f, -0.5213f}, + {0.1677f, -0.8367f, -0.5214f}, + {0.4446f, -0.7501f, -0.4896f}, + {0.5213f, -0.8367f, -0.1678f}, + {0.5213f, -0.8367f, 0.1678f}, + {0.4446f, -0.7501f, 0.4896f}, + {0.1677f, -0.8367f, 0.5214f}, + {-0.1678f, -0.8367f, 0.5213f}, + {-0.4896f, -0.7501f, 0.4446f}, + {-0.5214f, -0.8367f, 0.1677f}, + {-0.5214f, -0.8367f, -0.1677f}, + {0.1681f, 0.9708f, -0.1713f}, + {-0.1713f, 0.9708f, -0.1681f}, + {0.1681f, 0.9708f, 0.1713f}, + {-0.1713f, 0.9708f, 0.1681f}, + {0.4896f, 0.7501f, -0.4446f}, + {0.1678f, 0.8367f, -0.5213f}, + {-0.1677f, 0.8367f, -0.5214f}, + {-0.4446f, 0.7501f, -0.4896f}, + {-0.5213f, 0.8367f, -0.1678f}, + {-0.5213f, 0.8367f, 0.1678f}, + {-0.4446f, 0.7501f, 0.4896f}, + {-0.1677f, 0.8367f, 0.5214f}, + {0.1678f, 0.8367f, 0.5213f}, + {0.4896f, 0.7501f, 0.4446f}, + {0.5214f, 0.8367f, 0.1677f}, + {0.5214f, 0.8367f, -0.1677f}, + {-0.9708f, -0.1713f, 0.1681f}, + {-0.9708f, 0.1681f, 0.1713f}, + {-0.9708f, -0.1713f, -0.1681f}, + {-0.9708f, 0.1681f, -0.1713f}, + {-0.7501f, -0.4446f, 0.4896f}, + {-0.8367f, -0.1677f, 0.5214f}, + {-0.8367f, 0.1678f, 0.5213f}, + {-0.7501f, 0.4896f, 0.4446f}, + {-0.8367f, 0.5214f, 0.1677f}, + {-0.8367f, 0.5214f, -0.1677f}, + {-0.7501f, 0.4896f, -0.4446f}, + {-0.8367f, 0.1678f, -0.5213f}, + {-0.8367f, -0.1677f, -0.5214f}, + {-0.7501f, -0.4446f, -0.4896f}, + {-0.8367f, -0.5213f, -0.1678f}, + {-0.8367f, -0.5213f, 0.1678f}, + {-0.1681f, -0.1713f, -0.9708f}, + {-0.1713f, 0.1681f, -0.9708f}, + {0.1681f, -0.1713f, -0.9708f}, + {0.1713f, 0.1681f, -0.9708f}, + {-0.4896f, -0.4446f, -0.7501f}, + {-0.5214f, -0.1677f, -0.8367f}, + {-0.5213f, 0.1678f, -0.8367f}, + {-0.4446f, 0.4896f, -0.7501f}, + {-0.1677f, 0.5214f, -0.8367f}, + {0.1677f, 0.5214f, -0.8367f}, + {0.4446f, 0.4896f, -0.7501f}, + {0.5213f, 0.1678f, -0.8367f}, + {0.5214f, -0.1677f, -0.8367f}, + {0.4896f, -0.4446f, -0.7501f}, + {0.1678f, -0.5213f, -0.8367f}, + {-0.1678f, -0.5213f, -0.8367f}, + {0.9708f, -0.1713f, -0.1681f}, + {0.9708f, 0.1681f, -0.1713f}, + {0.9708f, -0.1713f, 0.1681f}, + {0.9708f, 0.1681f, 0.1713f}, + {0.7501f, -0.4446f, -0.4896f}, + {0.8367f, -0.1677f, -0.5214f}, + {0.8367f, 0.1678f, -0.5213f}, + {0.7501f, 0.4896f, -0.4446f}, + {0.8367f, 0.5214f, -0.1677f}, + {0.8367f, 0.5214f, 0.1677f}, + {0.7501f, 0.4896f, 0.4446f}, + {0.8367f, 0.1678f, 0.5213f}, + {0.8367f, -0.1677f, 0.5214f}, + {0.7501f, -0.4446f, 0.4896f}, + {0.8367f, -0.5213f, 0.1678f}, + {0.8367f, -0.5213f, -0.1678f}, + {0.1681f, -0.1713f, 0.9708f}, + {0.1713f, 0.1681f, 0.9708f}, + {-0.1681f, -0.1713f, 0.9708f}, + {-0.1713f, 0.1681f, 0.9708f}, + {0.4896f, -0.4446f, 0.7501f}, + {0.5214f, -0.1677f, 0.8367f}, + {0.5213f, 0.1678f, 0.8367f}, + {0.4446f, 0.4896f, 0.7501f}, + {0.1677f, 0.5214f, 0.8367f}, + {-0.1677f, 0.5214f, 0.8367f}, + {-0.4446f, 0.4896f, 0.7501f}, + {-0.5213f, 0.1678f, 0.8367f}, + {-0.5214f, -0.1677f, 0.8367f}, + {-0.4896f, -0.4446f, 0.7501f}, + {-0.1678f, -0.5213f, 0.8367f}, + {0.1678f, -0.5213f, 0.8367f}, + {-0.1713f, -0.9708f, -0.1681f}, + {0.1681f, -0.9708f, -0.1713f}, + {-0.1713f, -0.9708f, 0.1681f}, + {0.1681f, -0.9708f, 0.1713f}, + {-0.4446f, -0.7501f, -0.4896f}, + {-0.1677f, -0.8367f, -0.5214f}, + {0.1678f, -0.8367f, -0.5213f}, + {0.4896f, -0.7501f, -0.4446f}, + {0.5214f, -0.8367f, -0.1677f}, + {0.5214f, -0.8367f, 0.1677f}, + {0.4896f, -0.7501f, 0.4446f}, + {0.1678f, -0.8367f, 0.5213f}, + {-0.1677f, -0.8367f, 0.5214f}, + {-0.4446f, -0.7501f, 0.4896f}, + {-0.5213f, -0.8367f, 0.1678f}, + {-0.5213f, -0.8367f, -0.1678f}, + {0.1713f, 0.9708f, -0.1681f}, + {-0.1681f, 0.9708f, -0.1713f}, + {0.1713f, 0.9708f, 0.1681f}, + {-0.1681f, 0.9708f, 0.1713f}, + {0.4446f, 0.7501f, -0.4896f}, + {0.1677f, 0.8367f, -0.5214f}, + {-0.1678f, 0.8367f, -0.5213f}, + {-0.4896f, 0.7501f, -0.4446f}, + {-0.5214f, 0.8367f, -0.1677f}, + {-0.5214f, 0.8367f, 0.1677f}, + {-0.4896f, 0.7501f, 0.4446f}, + {-0.1678f, 0.8367f, 0.5213f}, + {0.1677f, 0.8367f, 0.5214f}, + {0.4446f, 0.7501f, 0.4896f}, + {0.5213f, 0.8367f, 0.1678f}, + {0.5213f, 0.8367f, -0.1678f}, +}; + +const triangle_t cubesphere_Cube_triangle[] = { + { + {44, 0, 0}, + {48, 1, 0}, + {47, 2, 0}, + }, 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19}, + }, + { + {2, 8, 20}, + {53, 0, 20}, + {22, 9, 20}, + }, + { + {19, 10, 21}, + {54, 4, 21}, + {53, 0, 21}, + }, + { + {17, 11, 22}, + {54, 4, 22}, + {18, 12, 22}, + }, + { + {3, 13, 23}, + {55, 3, 23}, + {17, 11, 23}, + }, + { + {23, 14, 24}, + {58, 15, 24}, + {55, 3, 24}, + }, + { + {58, 15, 25}, + {25, 16, 25}, + {61, 6, 25}, + }, + { + {61, 6, 26}, + {7, 17, 26}, + {26, 18, 26}, + }, + { + {60, 7, 27}, + {26, 18, 27}, + {27, 19, 27}, + }, + { + {60, 7, 28}, + {28, 20, 28}, + {59, 5, 28}, + }, + { + {59, 5, 29}, + {6, 21, 29}, + {20, 22, 29}, + }, + { + {56, 2, 30}, + {20, 22, 30}, + {21, 23, 30}, + }, + { + {22, 9, 31}, + {56, 2, 31}, + {21, 23, 31}, + }, + { + {62, 0, 32}, + {66, 1, 32}, + {65, 2, 32}, + }, + { + {64, 3, 33}, + {66, 1, 33}, + {63, 4, 33}, + }, + { + {66, 1, 34}, + {68, 5, 34}, + {65, 2, 34}, + }, + { + {66, 1, 35}, + {70, 6, 35}, + {69, 7, 35}, + }, + { + {6, 8, 36}, + {62, 0, 36}, + {31, 9, 36}, + }, + { + {28, 10, 37}, + {63, 4, 37}, + {62, 0, 37}, + }, + { 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cubesphere_position, + .texture = cubesphere_texture, + .normal = cubesphere_normal, + .object = cubesphere_object, + .object_count = 1 +}; + diff --git a/model/model2.h b/model/model2.h new file mode 100644 index 0000000..e5012f9 --- /dev/null +++ b/model/model2.h @@ -0,0 +1,20 @@ +struct index_ptn { + uint16_t position; + uint16_t texture; + uint16_t normal; +}; + +typedef index_ptn triangle_t[3]; + +struct object { + const triangle_t * triangle; + const int triangle_count; +}; + +struct model { + const vec3 * position; + const vec2 * texture; + const vec3 * normal; + const struct object ** object; + const int object_count; +};