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PS2: Rendering partially works, analog joystick controls now work
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UnknownShadow200
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1c5f90285b
commit
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@ -6,6 +6,8 @@
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#include <packet.h>
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#include <dma_tags.h>
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#include <gif_tags.h>
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#include <gs_privileged.h>
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#include <gs_gp.h>
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#include <gs_psm.h>
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#include <dma.h>
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#include <graph.h>
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@ -135,6 +137,9 @@ void Gfx_DisableMipmaps(void) { }
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*------------------------------------------------------State management---------------------------------------------------*
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*#########################################################################################################################*/
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static int clearR, clearG, clearB;
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static cc_bool gfx_alphaTest;
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static cc_bool gfx_depthTest;
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static cc_bool stateDirty;
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void Gfx_SetFog(cc_bool enabled) { }
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void Gfx_SetFogCol(PackedCol col) { }
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@ -142,12 +147,29 @@ void Gfx_SetFogDensity(float value) { }
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void Gfx_SetFogEnd(float value) { }
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void Gfx_SetFogMode(FogFunc func) { }
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//
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static void UpdateState(int context) {
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// TODO: toggle Enable instead of method ?
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int aMethod = gfx_alphaTest ? ATEST_METHOD_GREATER_EQUAL : ATEST_METHOD_ALLPASS;
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int dMethod = gfx_depthTest ? ZTEST_METHOD_GREATER_EQUAL : ZTEST_METHOD_ALLPASS;
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PACK_GIFTAG(q, GIF_SET_TAG(1,0,0,0, GIF_FLG_PACKED, 1), GIF_REG_AD);
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q++;
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PACK_GIFTAG(q, GS_SET_TEST(DRAW_ENABLE, aMethod, 0x80, ATEST_KEEP_FRAMEBUFFER,
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DRAW_DISABLE, DRAW_DISABLE,
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DRAW_ENABLE, dMethod), GS_REG_TEST + context);
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q++;
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stateDirty = false;
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}
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void Gfx_SetFaceCulling(cc_bool enabled) {
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// TODO
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}
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void Gfx_SetAlphaTest(cc_bool enabled) {
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// TODO
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gfx_alphaTest = enabled;
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stateDirty = true;
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}
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void Gfx_SetAlphaBlending(cc_bool enabled) {
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@ -160,7 +182,7 @@ void Gfx_Clear(void) {
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q = draw_disable_tests(q, 0, &fb_depth);
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q = draw_clear(q, 0, 2048.0f - fb_color.width / 2.0f, 2048.0f - fb_color.height / 2.0f,
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fb_color.width, fb_color.height, clearR, clearG, clearB);
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q = draw_enable_tests(q, 0, &fb_depth);
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UpdateState(0);
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}
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void Gfx_ClearCol(PackedCol color) {
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@ -170,7 +192,8 @@ void Gfx_ClearCol(PackedCol color) {
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}
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void Gfx_SetDepthTest(cc_bool enabled) {
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// TODO
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gfx_depthTest = enabled;
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stateDirty = true;
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}
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void Gfx_SetDepthWrite(cc_bool enabled) {
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@ -278,7 +301,8 @@ void Gfx_CalcOrthoMatrix(struct Matrix* matrix, float width, float height, float
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static double Cotangent(double x) { return Math_Cos(x) / Math_Sin(x); }
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void Gfx_CalcPerspectiveMatrix(struct Matrix* matrix, float fov, float aspect, float zFar) {
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float zNear = 0.1f;
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float zNear_ = zFar;
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float zFar_ = 0.1f;
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float c = (float)Cotangent(0.5f * fov);
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/* Transposed, source https://learn.microsoft.com/en-us/windows/win32/opengl/glfrustum */
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@ -286,12 +310,13 @@ void Gfx_CalcPerspectiveMatrix(struct Matrix* matrix, float fov, float aspect, f
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/* left = -c * aspect, right = c * aspect, bottom = -c, top = c */
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/* Calculations are simplified because of left/right and top/bottom symmetry */
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*matrix = Matrix_Identity;
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// TODO: Check is Frustum culling needs changing for this
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matrix->row1.X = c / aspect;
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matrix->row2.Y = c;
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matrix->row3.Z = -(zFar + zNear) / (zFar - zNear);
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matrix->row3.Z = -(zFar_ + zNear_) / (zFar_ - zNear_);
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matrix->row3.W = -1.0f;
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matrix->row4.Z = -(2.0f * zFar * zNear) / (zFar - zNear);
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matrix->row4.Z = -(2.0f * zFar_ * zNear_) / (zFar_ - zNear_);
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matrix->row4.W = 0.0f;
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}
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@ -324,13 +349,11 @@ static Vector4 TransformVertex(struct VertexTextured* pos) {
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#define VCopy(dst, src) dst.x = (vp_hwidth/2048) * (src.X / src.W); dst.y = (vp_hheight/2048) * (src.Y / src.W); dst.z = src.Z / src.W; dst.w = src.W;
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//#define VCopy(dst, src) dst.x = vp_hwidth * (1 + src.X / src.W); dst.y = vp_hheight * (1 - src.Y / src.W); dst.z = src.Z / src.W; dst.w = src.W;
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#define CCopy(dst) dst.r = PackedCol_R(v->Col) / 255.0f; dst.g = PackedCol_G(v->Col) / 255.0f; dst.b = PackedCol_B(v->Col) / 255.0f; dst.a = PackedCol_A(v->Col) / 255.0f;
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#define CCopy(dst) dst.r = PackedCol_R(v->Col); dst.g = PackedCol_G(v->Col); dst.b = PackedCol_B(v->Col); dst.a = PackedCol_A(v->Col); dst.q = 1.0f;
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static void DrawTriangle(Vector4 v0, Vector4 v1, Vector4 v2, struct VertexTextured* v) {
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vertex_f_t in_vertices[3];
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color_f_t in_color[3];
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//Platform_Log4("X: %f3, Y: %f3, Z: %f3, W: %f3", &v0.X, &v0.Y, &v0.Z, &v0.W);
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//Platform_Log4("X: %f3, Y: %f3, Z: %f3, W: %f3", &v0.X, &v0.Y, &v0.Z, &v0.W);
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xyz_t out_vertices[3];
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color_t out_color[3];
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@ -338,11 +361,10 @@ static void DrawTriangle(Vector4 v0, Vector4 v1, Vector4 v2, struct VertexTextur
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VCopy(in_vertices[1], v1);
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VCopy(in_vertices[2], v2);
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//Platform_Log4(" X: %f3, Y: %f3, Z: %f3, W: %f3", &in_vertices[0].x, &in_vertices[0].y, &in_vertices[0].z, &in_vertices[0].w);
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CCopy(in_color[0]);
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CCopy(in_color[1]);
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CCopy(in_color[2]);
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//Platform_Log4(" X: %f3, Y: %f3, Z: %f3, W: %f3", &in_vertices[0].x, &in_vertices[0].y, &in_vertices[0].z, &in_vertices[0].w);
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CCopy(out_color[0]);
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CCopy(out_color[1]);
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CCopy(out_color[2]);
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prim_t prim;
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color_t color;
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@ -357,14 +379,13 @@ static void DrawTriangle(Vector4 v0, Vector4 v1, Vector4 v2, struct VertexTextur
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prim.mapping_type = PRIM_MAP_ST;
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prim.colorfix = PRIM_UNFIXED;
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color.r = 0x80;
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color.g = 0x80;
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color.b = 0x80;
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color.a = 0x80;
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// NOTE: not actually used
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color.r = 0x10;
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color.g = 0x10;
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color.b = 0x10;
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color.a = 0x10;
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color.q = 1.0f;
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draw_convert_rgbaq(out_color, 3, in_vertices, in_color);
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draw_convert_xyz(out_vertices, 2048, 2048, 32, 3, in_vertices);
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// Draw the triangles using triangle primitive type.
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@ -381,6 +402,7 @@ static void DrawTriangle(Vector4 v0, Vector4 v1, Vector4 v2, struct VertexTextur
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}
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static void DrawTriangles(int verticesCount, int startVertex) {
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if (stateDirty) UpdateState(0);
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if (gfx_format == VERTEX_FORMAT_COLOURED) return;
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struct VertexTextured* v = (struct VertexTextured*)gfx_vertices + startVertex;
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@ -120,14 +120,16 @@ static void HandleButtons(int buttons) {
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}
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static void HandleJoystick_Left(int x, int y) {
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//Platform_Log2("LEFT: %i, %i", &x, &y);
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if (Math_AbsI(x) <= 8) x = 0;
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if (Math_AbsI(y) <= 8) y = 0;
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if (Math_AbsI(y) <= 8) y = 0;
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if (x == 0 && y == 0) return;
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Input.JoystickMovement = true;
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Input.JoystickAngle = Math_Atan2(x, -y);
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}
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static void HandleJoystick_Right(int x, int y, double delta) {
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//Platform_Log2("Right: %i, %i", &x, &y);
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float scale = (delta * 60.0) / 16.0f;
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if (Math_AbsI(x) <= 8) x = 0;
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@ -142,6 +144,7 @@ static void ProcessPadInput(double delta, struct padButtonStatus* pad) {
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HandleJoystick_Right(pad->rjoy_h - 0x80, pad->rjoy_v - 0x80, delta);
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}
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static cc_bool setMode;
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void Window_ProcessEvents(double delta) {
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struct padButtonStatus pad;
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Input.JoystickMovement = false;
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@ -149,9 +152,14 @@ void Window_ProcessEvents(double delta) {
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int state = padGetState(0, 0);
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if (state != PAD_STATE_STABLE) return;
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// Change to DUALSHOCK mode so analog joysticks return values
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if (!setMode) {
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padSetMainMode(0, 0, PAD_MMODE_DUALSHOCK, PAD_MMODE_LOCK);
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setMode = true;
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}
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int ret = padRead(0, 0, &pad);
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if (ret == 0) return;
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ProcessPadInput(delta, &pad);
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if (ret != 0) ProcessPadInput(delta, &pad);
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}
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void Cursor_SetPosition(int x, int y) { } // Makes no sense for PS Vita
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