void tiny3d_ClearSurface(u32 color, clear_flags flags, u32 rsx_offset, u32 width, u32 height, u32 stride, u32 format)
{
flag_vertex |= VERTEX_LOCK;
render_target.target = 1;
render_target.w = width;
render_target.p = stride;
render_target.h = height;
if(flags & TINY3D_CLEAR_COLOR) {
tiny3d_Project2D();
tiny3d_SetProjectionMatrix(&matrix_ident);
tiny3d_SetMatrixModelView(&matrix_ident);
internal_reality_ZControl(context, 0, 1, 1); // disable viewport culling
internal_reality_DepthTestFunc(context, REALITY_ZFUNC_LESSOREQUAL);
internal_reality_DepthWriteEnable(context, 1);
internal_reality_DepthTestEnable(context, 1);
internal_reality_AlphaEnable(context, 0);
internal_reality_BlendEnable(context, 0);
internal_reality_Viewport(context, width, height);
int n;
for(n = 0; n < 8; n++)
internal_reality_ViewportClip(context, n, width, height);
setupRenderTarget2(rsx_offset, stride, width, height, format);
rsxSetClearColor(context, color);
}
if(flags & TINY3D_CLEAR_ZBUFFER) {
rsxSetClearDepthValue(context, 0xffffffff);
}
internal_reality_ClearBuffers(context, flags);
}
void drawFrame()
{
u32 i, color = 0;
Matrix4 viewMatrix,modelViewMatrix;
//clear screen
rsxSetClearColor(context, color);
//rsxSetClearDepthValue(context,0xffff);
rsxClearSurface(context,GCM_CLEAR_R |
GCM_CLEAR_G |
GCM_CLEAR_B |
GCM_CLEAR_A //|
//GCM_CLEAR_S |
//GCM_CLEAR_Z
);
for (i = 0; i < 8; i++) {
rsxSetViewportClip(context, i, display_width, display_height);
}
viewMatrix = Matrix4::lookAt(eye_pos, eye_dir, up_vec);
//draw background image
modelViewMatrix = transpose(viewMatrix * modelMatrix);
setDrawEnv(0);
setTexture(textureW, textureH, texture_buffer, texture_offset);
drawMesh(quad, &modelViewMatrix, (float*)&scanline);
if (showUi) {
//draw UI
modelViewMatrix = transpose(viewMatrix * modelMatrixUi);
setDrawEnv(1);
setTexture(textureW_ui, textureH_ui, texture_buffer_ui, texture_offset_ui);
drawMesh(quad_ui, &modelViewMatrix, (float*)&scanlineUi);
}
}
void drawFrame()
{
u32 i,offset,color = 0;
Matrix4 rotX,rotY;
Vector4 objEyePos,objLightPos;
Matrix4 viewMatrix,modelMatrix,modelMatrixIT,modelViewMatrix;
Point3 lightPos = Point3(250.0f,150.0f,150.0f);
f32 globalAmbientColor[3] = {0.1f,0.1f,0.1f};
f32 lightColor[3] = {0.95f,0.95f,0.95f};
f32 materialColorDiffuse[3] = {0.5f,0.0f,0.0f};
f32 materialColorSpecular[3] = {0.7f,0.6f,0.6f};
f32 shininess = 17.8954f;
static f32 rot = 0.0f;
SMeshBuffer *mesh = NULL;
setTexture();
setDrawEnv();
rsxSetClearColor(context,color);
rsxSetClearDepthValue(context,0xffff);
rsxClearSurface(context,GCM_CLEAR_R |
GCM_CLEAR_G |
GCM_CLEAR_B |
GCM_CLEAR_A |
GCM_CLEAR_S |
GCM_CLEAR_Z);
rsxZControl(context,0,1,1);
for(i=0;i<8;i++)
rsxSetViewportClip(context,i,display_width,display_height);
viewMatrix = Matrix4::lookAt(eye_pos,eye_dir,up_vec);
mesh = sphere;
rotX = Matrix4::rotationX(DEGTORAD(30.0f));
rotY = Matrix4::rotationY(DEGTORAD(rot));
modelMatrix = rotX*rotY;
modelMatrixIT = inverse(modelMatrix);
modelViewMatrix = transpose(viewMatrix*modelMatrix);
objEyePos = modelMatrixIT*eye_pos;
objLightPos = modelMatrixIT*lightPos;
rsxAddressToOffset(&mesh->vertices[0].pos,&offset);
rsxBindVertexArrayAttrib(context,vertexPosition_id,offset,sizeof(S3DVertex),3,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxAddressToOffset(&mesh->vertices[0].nrm,&offset);
rsxBindVertexArrayAttrib(context,vertexNormal_id,offset,sizeof(S3DVertex),3,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxAddressToOffset(&mesh->vertices[0].u,&offset);
rsxBindVertexArrayAttrib(context,vertexTexcoord_id,offset,sizeof(S3DVertex),2,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxLoadVertexProgram(context,vpo,vp_ucode);
rsxSetVertexProgramParameter(context,vpo,projMatrix_id,(float*)&P);
rsxSetVertexProgramParameter(context,vpo,modelViewMatrix_id,(float*)&modelViewMatrix);
rsxSetFragmentProgramParameter(context,fpo,eyePosition_id,(float*)&objEyePos,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,globalAmbient_id,globalAmbientColor,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,lightPosition_id,(float*)&objLightPos,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,lightColor_id,lightColor,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,shininess_id,&shininess,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,Kd_id,materialColorDiffuse,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,Ks_id,materialColorSpecular,fp_offset);
rsxLoadFragmentProgramLocation(context,fpo,fp_offset,GCM_LOCATION_RSX);
rsxSetUserClipPlaneControl(context,GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE);
rsxAddressToOffset(&mesh->indices[0],&offset);
rsxDrawIndexArray(context,GCM_TYPE_TRIANGLES,offset,mesh->cnt_indices,GCM_INDEX_TYPE_16B,GCM_LOCATION_RSX);
mesh = donut;
rotX = Matrix4::rotationX(DEGTORAD(rot));
rotY = Matrix4::rotationY(DEGTORAD(30.0f));
modelMatrix = rotX*rotY;
modelMatrix.setTranslation(Vector3(3.0f,5.0f,-8.0f));
modelMatrixIT = inverse(modelMatrix);
modelViewMatrix = transpose(viewMatrix*modelMatrix);
objEyePos = modelMatrixIT*eye_pos;
objLightPos = modelMatrixIT*lightPos;
rsxAddressToOffset(&mesh->vertices[0].pos,&offset);
rsxBindVertexArrayAttrib(context,vertexPosition_id,offset,sizeof(S3DVertex),3,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxAddressToOffset(&mesh->vertices[0].nrm,&offset);
rsxBindVertexArrayAttrib(context,vertexNormal_id,offset,sizeof(S3DVertex),3,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxAddressToOffset(&mesh->vertices[0].u,&offset);
rsxBindVertexArrayAttrib(context,vertexTexcoord_id,offset,sizeof(S3DVertex),2,GCM_VERTEX_DATA_TYPE_F32,GCM_LOCATION_RSX);
rsxLoadVertexProgram(context,vpo,vp_ucode);
rsxSetVertexProgramParameter(context,vpo,projMatrix_id,(float*)&P);
rsxSetVertexProgramParameter(context,vpo,modelViewMatrix_id,(float*)&modelViewMatrix);
rsxSetFragmentProgramParameter(context,fpo,eyePosition_id,(float*)&objEyePos,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,globalAmbient_id,globalAmbientColor,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,lightPosition_id,(float*)&objLightPos,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,lightColor_id,lightColor,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,shininess_id,&shininess,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,Kd_id,materialColorDiffuse,fp_offset);
rsxSetFragmentProgramParameter(context,fpo,Ks_id,materialColorSpecular,fp_offset);
rsxLoadFragmentProgramLocation(context,fpo,fp_offset,GCM_LOCATION_RSX);
rsxSetUserClipPlaneControl(context,GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE,
GCM_USER_CLIP_PLANE_DISABLE);
rsxAddressToOffset(&mesh->indices[0],&offset);
rsxDrawIndexArray(context,GCM_TYPE_TRIANGLES,offset,mesh->cnt_indices,GCM_INDEX_TYPE_16B,GCM_LOCATION_RSX);
rot += 4.0f;
if(rot>=360.0f) rot = 0.0f;
}
void tiny3d_Clear(u32 color, clear_flags flags)
{
flag_vertex |= VERTEX_LOCK;
render_target.target = 0;
if(flags & TINY3D_CLEAR_COLOR) {
tiny3d_Project2D();
tiny3d_SetProjectionMatrix(&matrix_ident);
tiny3d_SetMatrixModelView(&matrix_ident);
internal_reality_ZControl(context, 0, 1, 1); // disable viewport culling
internal_reality_DepthTestFunc(context, REALITY_ZFUNC_LESSOREQUAL);
internal_reality_DepthWriteEnable(context, 1);
internal_reality_DepthTestEnable(context, 1);
internal_reality_AlphaEnable(context, 0);
internal_reality_BlendEnable(context, 0);
internal_reality_Viewport(context, Video_Resolution.width, Video_Resolution.height);
int n;
for(n = 0; n < 8; n++)
{
internal_reality_ViewportClip(context, n, Video_Resolution.width, Video_Resolution.height);
}
setupRenderTarget(Video_currentBuffer);
rsxSetClearColor(context, color);
}
if(flags & TINY3D_CLEAR_ZBUFFER) {
rsxSetClearDepthValue(context, 0xffffffff);
}
internal_reality_ClearBuffers(context, flags);
if((flags & TINY3D_CLEAR_COLOR) && tiny_3d_alarm) {
tiny3d_SetPolygon(TINY3D_QUADS);
tiny3d_VertexPos(848/2 , 0 , 65535);
tiny3d_VertexColor(0xff0000ff);
tiny3d_VertexPos(847, 0 , 65535);
tiny3d_VertexPos(847, 511, 65535);
tiny3d_VertexPos(848/2 , 511, 65535);
tiny3d_End();
internal_reality_Viewport(context, Video_Resolution.width*15/16, Video_Resolution.height);
int n;
for(n = 0; n < 8; n++)
internal_reality_ViewportClip(context, n, Video_Resolution.width*15/16, Video_Resolution.height);
internal_reality_ClearBuffers(context, flags);
}
}
