implemented gpu-skinning (vertex shader skeletal animation), can be

[xonotic/darkplaces.git] / gl_backend.c

diff --git a/gl_backend.c b/gl_backend.c
index e523107055864d0dfdaf58028e69abce72950bda..8415c146e22d8d5895574f5ccb5c709d96ea6a27 100644 (file)
--- a/gl_backend.c
+++ b/gl_backend.c
@@ -2675,8 +2675,8 @@ unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **ver
        qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD3, "Attrib_TexCoord3");
        qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD4, "Attrib_TexCoord4");
        qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD5, "Attrib_TexCoord5");
-       qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD6, "Attrib_TexCoord6");
-       qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD7, "Attrib_TexCoord7");
+       qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD6, "Attrib_SkeletalIndex");
+       qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD7, "Attrib_SkeletalWeight");
 #ifndef USE_GLES2
        if(vid.support.gl20shaders130)
                qglBindFragDataLocation(programobject, 0, "dp_FragColor");
@@ -2912,7 +2912,7 @@ void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtri
                                                                        else
                                                                                qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, p[0]);
                                                                }
-                                                               else if (gl_state.units[j].pointer_texcoord_gltype == GL_SHORT)
+                                                               else if (gl_state.units[j].pointer_texcoord_gltype == (int)(GL_SHORT | 0x80000000))
                                                                {
                                                                        const GLshort *s = (const GLshort *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
                                                                        if (gl_state.units[j].pointer_texcoord_components == 4)
@@ -2927,6 +2927,30 @@ void R_Mesh_Draw(int firstvertex, int numvertices, int firsttriangle, int numtri
                                                                else if (gl_state.units[j].pointer_texcoord_gltype == GL_BYTE)
                                                                {
                                                                        const GLbyte *sb = (const GLbyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
+                                                                       if (gl_state.units[j].pointer_texcoord_components == 4)
+                                                                               qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f), sb[2] * (1.0f / 127.0f), sb[3] * (1.0f / 127.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 3)
+                                                                               qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f), sb[2] * (1.0f / 127.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 2)
+                                                                               qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f), sb[1] * (1.0f / 127.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 1)
+                                                                               qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 127.0f));
+                                                               }
+                                                               else if (gl_state.units[j].pointer_texcoord_gltype == GL_UNSIGNED_BYTE)
+                                                               {
+                                                                       const GLubyte *sb = (const GLubyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
+                                                                       if (gl_state.units[j].pointer_texcoord_components == 4)
+                                                                               qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f), sb[2] * (1.0f / 255.0f), sb[3] * (1.0f / 255.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 3)
+                                                                               qglVertexAttrib3f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f), sb[2] * (1.0f / 255.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 2)
+                                                                               qglVertexAttrib2f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f), sb[1] * (1.0f / 255.0f));
+                                                                       else if (gl_state.units[j].pointer_texcoord_components == 1)
+                                                                               qglVertexAttrib1f(GLSLATTRIB_TEXCOORD0 + j, sb[0] * (1.0f / 255.0f));
+                                                               }
+                                                               else if (gl_state.units[j].pointer_texcoord_gltype == (int)(GL_UNSIGNED_BYTE | 0x80000000))
+                                                               {
+                                                                       const GLubyte *sb = (const GLubyte *)((const unsigned char *)gl_state.units[j].pointer_texcoord_pointer + element * gl_state.units[j].pointer_texcoord_stride);
                                                                        if (gl_state.units[j].pointer_texcoord_components == 4)
                                                                                qglVertexAttrib4f(GLSLATTRIB_TEXCOORD0 + j, sb[0], sb[1], sb[2], sb[3]);
                                                                        else if (gl_state.units[j].pointer_texcoord_components == 3)
@@ -3455,7 +3479,8 @@ void R_Mesh_VertexPointer(int components, int gltype, size_t stride, const void
                        gl_state.pointer_vertex_offset = bufferoffset;
                        CHECKGLERROR
                        GL_BindVBO(bufferobject);
-                       qglVertexAttribPointer(GLSLATTRIB_POSITION, components, gltype, false, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
+                       // LordHavoc: special flag added to gltype for unnormalized types
+                       qglVertexAttribPointer(GLSLATTRIB_POSITION, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
                }
                break;
        case RENDERPATH_D3D9:
@@ -3537,7 +3562,8 @@ void R_Mesh_ColorPointer(int components, int gltype, size_t stride, const void *
                                gl_state.pointer_color_offset = bufferoffset;
                                CHECKGLERROR
                                GL_BindVBO(bufferobject);
-                               qglVertexAttribPointer(GLSLATTRIB_COLOR, components, gltype, false, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
+                               // LordHavoc: special flag added to gltype for unnormalized types
+                               qglVertexAttribPointer(GLSLATTRIB_COLOR, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
                        }
                }
                else
@@ -3632,7 +3658,8 @@ void R_Mesh_TexCoordPointer(unsigned int unitnum, int components, int gltype, si
                                unit->pointer_texcoord_vertexbuffer = vertexbuffer;
                                unit->pointer_texcoord_offset = bufferoffset;
                                GL_BindVBO(bufferobject);
-                               qglVertexAttribPointer(unitnum+GLSLATTRIB_TEXCOORD0, components, gltype, false, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
+                               // LordHavoc: special flag added to gltype for unnormalized types
+                               qglVertexAttribPointer(unitnum+GLSLATTRIB_TEXCOORD0, components, gltype & ~0x80000000, (gltype & 0x80000000) == 0, stride, bufferobject ? (void *)bufferoffset : pointer);CHECKGLERROR
                        }
                }
                else
@@ -4113,6 +4140,8 @@ D3DVERTEXELEMENT9 r_vertexmesh_d3d9elements[] =
        {0, (int)((size_t)&((r_vertexmesh_t *)0)->tvector3f         ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 2},
        {0, (int)((size_t)&((r_vertexmesh_t *)0)->normal3f          ), D3DDECLTYPE_FLOAT3, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 3},
        {0, (int)((size_t)&((r_vertexmesh_t *)0)->texcoordlightmap2f), D3DDECLTYPE_FLOAT2, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 4},
+       {0, (int)((size_t)&((r_vertexmesh_t *)0)->skeletalindex4ub  ), D3DDECLTYPE_UBYTE4, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 6},
+       {0, (int)((size_t)&((r_vertexmesh_t *)0)->skeletalweight4ub ), D3DDECLTYPE_UBYTE4N, D3DDECLMETHOD_DEFAULT, D3DDECLUSAGE_TEXCOORD, 7},
        D3DDECL_END()
 };
 
@@ -4193,6 +4222,9 @@ void R_Mesh_PrepareVertices_Vertex3f(int numvertices, const float *vertex3f, con
                        R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                }
                else
                {
@@ -4203,6 +4235,9 @@ void R_Mesh_PrepareVertices_Vertex3f(int numvertices, const float *vertex3f, con
                        R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                }
                break;
        case RENDERPATH_GL13:
@@ -4307,6 +4342,9 @@ void R_Mesh_PrepareVertices_Generic_Arrays(int numvertices, const float *vertex3
                        R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                        return;
                }
                break;
@@ -4387,6 +4425,9 @@ void R_Mesh_PrepareVertices_Generic(int numvertices, const r_vertexgeneric_t *ve
                        R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                }
                else
                {
@@ -4397,6 +4438,9 @@ void R_Mesh_PrepareVertices_Generic(int numvertices, const r_vertexgeneric_t *ve
                        R_Mesh_TexCoordPointer(2, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                }
                break;
        case RENDERPATH_GL13:
@@ -4501,6 +4545,9 @@ void R_Mesh_PrepareVertices_Mesh_Arrays(int numvertices, const float *vertex3f,
                        R_Mesh_TexCoordPointer(2, 3, GL_FLOAT, sizeof(float[3]), tvector3f, NULL, 0);
                        R_Mesh_TexCoordPointer(3, 3, GL_FLOAT, sizeof(float[3]), normal3f, NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT, sizeof(float[2]), texcoordlightmap2f, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT, sizeof(float[2]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(unsigned char[4]), NULL, NULL, 0);
                        return;
                }
                break;
@@ -4592,6 +4639,9 @@ void R_Mesh_PrepareVertices_Mesh(int numvertices, const r_vertexmesh_t *vertex,
                        R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(*vertex), vertex->tvector3f         , vertexbuffer, (int)((unsigned char *)vertex->tvector3f          - (unsigned char *)vertex));
                        R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(*vertex), vertex->normal3f          , vertexbuffer, (int)((unsigned char *)vertex->normal3f           - (unsigned char *)vertex));
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, vertexbuffer, (int)((unsigned char *)vertex->texcoordlightmap2f - (unsigned char *)vertex));
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(*vertex), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE | 0x80000000, sizeof(*vertex), vertex->skeletalindex4ub  , vertexbuffer, (int)((unsigned char *)vertex->skeletalindex4ub   - (unsigned char *)vertex));
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(*vertex), vertex->skeletalweight4ub , vertexbuffer, (int)((unsigned char *)vertex->skeletalweight4ub  - (unsigned char *)vertex));
                }
                else
                {
@@ -4602,6 +4652,9 @@ void R_Mesh_PrepareVertices_Mesh(int numvertices, const r_vertexmesh_t *vertex,
                        R_Mesh_TexCoordPointer(2, 3, GL_FLOAT        , sizeof(*vertex), vertex->tvector3f         , NULL, 0);
                        R_Mesh_TexCoordPointer(3, 3, GL_FLOAT        , sizeof(*vertex), vertex->normal3f          , NULL, 0);
                        R_Mesh_TexCoordPointer(4, 2, GL_FLOAT        , sizeof(*vertex), vertex->texcoordlightmap2f, NULL, 0);
+                       R_Mesh_TexCoordPointer(5, 2, GL_FLOAT        , sizeof(*vertex), NULL, NULL, 0);
+                       R_Mesh_TexCoordPointer(6, 4, GL_UNSIGNED_BYTE | 0x80000000, sizeof(*vertex), vertex->skeletalindex4ub  , NULL, 0);
+                       R_Mesh_TexCoordPointer(7, 4, GL_UNSIGNED_BYTE, sizeof(*vertex), vertex->skeletalweight4ub , NULL, 0);
                }
                break;
        case RENDERPATH_GL13: