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OpenGL2: Calculate bitangent in shader, and store normal/tangent as normalized byte arrays.

This commit is contained in:
SmileTheory 2013-11-12 19:21:51 -08:00
parent a53e7c3074
commit 6e5f8cc918
15 changed files with 268 additions and 271 deletions
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30
code/renderergl2/glsl/generic_vp.glsl
View File

@ -1,8 +1,8 @@
attribute vec4 attr_Position;
attribute vec3 attr_Position;
attribute vec3 attr_Normal;
#if defined(USE_VERTEX_ANIMATION)
attribute vec4 attr_Position2;
attribute vec3 attr_Position2;
attribute vec3 attr_Normal2;
#endif
@ -167,7 +167,7 @@ vec4 CalcColor(vec3 position, vec3 normal)
if (u_AlphaGen == AGEN_LIGHTING_SPECULAR)
{
vec3 lightDir = normalize(vec3(-960.0, 1980.0, 96.0) - position.xyz);
vec3 lightDir = normalize(vec3(-960.0, 1980.0, 96.0) - position);
vec3 reflected = -reflect(lightDir, normal);
color.a = clamp(dot(reflected, normalize(viewer)), 0.0, 1.0);
@ -184,10 +184,10 @@ vec4 CalcColor(vec3 position, vec3 normal)
#endif
#if defined(USE_FOG)
float CalcFog(vec4 position)
float CalcFog(vec3 position)
{
float s = dot(position, u_FogDistance) * 8.0;
float t = dot(position, u_FogDepth);
float s = (dot(position, u_FogDistance.xyz) + u_FogDistance.w) * 8.0;
float t = dot(position, u_FogDepth.xyz) + u_FogDepth.w;
float eyeOutside = step(0.0, -u_FogEyeT);
float fogged = step(eyeOutside, t);
@ -202,27 +202,27 @@ float CalcFog(vec4 position)
void main()
{
#if defined(USE_VERTEX_ANIMATION)
vec4 position = mix(attr_Position, attr_Position2, u_VertexLerp);
vec3 normal = normalize(mix(attr_Normal, attr_Normal2, u_VertexLerp));
vec3 position = mix(attr_Position, attr_Position2, u_VertexLerp);
vec3 normal = normalize(mix(attr_Normal, attr_Normal2, u_VertexLerp) * 2.0 - vec3(1.0));
#else
vec4 position = attr_Position;
vec3 normal = attr_Normal;
vec3 position = attr_Position;
vec3 normal = attr_Normal * 2.0 - vec3(1.0);
#endif
#if defined(USE_DEFORM_VERTEXES)
position.xyz = DeformPosition(position.xyz, normal, attr_TexCoord0.st);
position = DeformPosition(position, normal, attr_TexCoord0.st);
#endif
gl_Position = u_ModelViewProjectionMatrix * position;
gl_Position = u_ModelViewProjectionMatrix * vec4(position, 1.0);
#if defined(USE_TCGEN)
vec2 tex = GenTexCoords(u_TCGen0, position.xyz, normal, u_TCGen0Vector0, u_TCGen0Vector1);
vec2 tex = GenTexCoords(u_TCGen0, position, normal, u_TCGen0Vector0, u_TCGen0Vector1);
#else
vec2 tex = attr_TexCoord0.st;
#endif
#if defined(USE_TCMOD)
var_DiffuseTex = ModTexCoords(tex, position.xyz, u_DiffuseTexMatrix, u_DiffuseTexOffTurb);
var_DiffuseTex = ModTexCoords(tex, position, u_DiffuseTexMatrix, u_DiffuseTexOffTurb);
#else
var_DiffuseTex = tex;
#endif
@ -232,7 +232,7 @@ void main()
#endif
#if defined(USE_RGBAGEN)
var_Color = CalcColor(position.xyz, normal);
var_Color = CalcColor(position, normal);
#else
var_Color = u_VertColor * attr_Color + u_BaseColor;
#endif

22
code/renderergl2/glsl/lightall_vp.glsl
View File

@ -7,8 +7,7 @@ attribute vec4 attr_Color;
attribute vec3 attr_Position;
attribute vec3 attr_Normal;
#if defined(USE_VERT_TANGENT_SPACE)
attribute vec3 attr_Tangent;
attribute vec3 attr_Bitangent;
attribute vec4 attr_Tangent;
#endif
#if defined(USE_VERTEX_ANIMATION)
@ -164,20 +163,23 @@ void main()
{
#if defined(USE_VERTEX_ANIMATION)
vec3 position = mix(attr_Position, attr_Position2, u_VertexLerp);
vec3 normal = normalize(mix(attr_Normal, attr_Normal2, u_VertexLerp));
#if defined(USE_VERT_TANGENT_SPACE)
vec3 tangent = normalize(mix(attr_Tangent, attr_Tangent2, u_VertexLerp));
vec3 bitangent = normalize(mix(attr_Bitangent, attr_Bitangent2, u_VertexLerp));
vec3 normal = normalize(mix(attr_Normal, attr_Normal2, u_VertexLerp) * 2.0 - vec3(1.0));
#if defined(USE_VERT_TANGENT_SPACE) && defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
vec3 tangent = normalize(mix(attr_Tangent.xyz, attr_Tangent2.xyz, u_VertexLerp) * 2.0 - vec3(1.0));
#endif
#else
vec3 position = attr_Position;
vec3 normal = attr_Normal;
#if defined(USE_VERT_TANGENT_SPACE)
vec3 tangent = attr_Tangent;
vec3 bitangent = attr_Bitangent;
vec3 normal = attr_Normal * 2.0 - vec3(1.0);
#if defined(USE_VERT_TANGENT_SPACE) && defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
vec3 tangent = attr_Tangent.xyz * 2.0 - vec3(1.0);
#endif
#endif
#if defined(USE_VERT_TANGENT_SPACE) && defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
vec3 bitangent = cross(normal, tangent);
bitangent *= attr_Tangent.w * 2.0 - 1.0;
#endif
#if defined(USE_TCGEN)
vec2 texCoords = GenTexCoords(u_TCGen0, position, normal, u_TCGen0Vector0, u_TCGen0Vector1);
#else

12
code/renderergl2/tr_animation.c
View File

@ -152,9 +152,9 @@ void RB_SurfaceAnim( md4Surface_t *surface ) {
tess.xyz[baseVertex + j][1] = tempVert[1];
tess.xyz[baseVertex + j][2] = tempVert[2];
tess.normal[baseVertex + j][0] = tempNormal[0];
tess.normal[baseVertex + j][1] = tempNormal[1];
tess.normal[baseVertex + j][2] = tempNormal[2];
tess.normal[baseVertex + j][0] = (uint8_t)(tempNormal[0] * 127.5f + 128.0f);
tess.normal[baseVertex + j][1] = (uint8_t)(tempNormal[1] * 127.5f + 128.0f);
tess.normal[baseVertex + j][2] = (uint8_t)(tempNormal[2] * 127.5f + 128.0f);
tess.texCoords[baseVertex + j][0][0] = v->texCoords[0];
tess.texCoords[baseVertex + j][0][1] = v->texCoords[1];
@ -548,9 +548,9 @@ void RB_MDRSurfaceAnim( md4Surface_t *surface )
tess.xyz[baseVertex + j][1] = tempVert[1];
tess.xyz[baseVertex + j][2] = tempVert[2];
tess.normal[baseVertex + j][0] = tempNormal[0];
tess.normal[baseVertex + j][1] = tempNormal[1];
tess.normal[baseVertex + j][2] = tempNormal[2];
tess.normal[baseVertex + j][0] = (uint8_t)(tempNormal[0] * 127.5f + 128.0f);
tess.normal[baseVertex + j][1] = (uint8_t)(tempNormal[1] * 127.5f + 128.0f);
tess.normal[baseVertex + j][2] = (uint8_t)(tempNormal[2] * 127.5f + 128.0f);
tess.texCoords[baseVertex + j][0][0] = v->texCoords[0];
tess.texCoords[baseVertex + j][0][1] = v->texCoords[1];

6
code/renderergl2/tr_bsp.c
View File

@ -1810,12 +1810,14 @@ static void CopyVert(const srfVert_t * in, srfVert_t * out)
out->xyz[j] = in->xyz[j];
#ifdef USE_VERT_TANGENT_SPACE
out->tangent[j] = in->tangent[j];
out->bitangent[j] = in->bitangent[j];
//out->bitangent[j] = in->bitangent[j];
#endif
out->normal[j] = in->normal[j];
out->lightdir[j] = in->lightdir[j];
}
out->tangent[3] = in->tangent[3];
for(j = 0; j < 2; j++)
{
out->st[j] = in->st[j];
@ -2000,7 +2002,7 @@ static void R_CreateWorldVBOs(void)
#ifdef USE_VERT_TANGENT_SPACE
vbo = R_CreateVBO2(va("staticBspModel0_VBO %i", k), numVerts, verts,
ATTR_POSITION | ATTR_TEXCOORD | ATTR_LIGHTCOORD | ATTR_TANGENT | ATTR_BITANGENT |
ATTR_POSITION | ATTR_TEXCOORD | ATTR_LIGHTCOORD | ATTR_TANGENT |
ATTR_NORMAL | ATTR_COLOR | ATTR_LIGHTDIRECTION, VBO_USAGE_STATIC);
#else
vbo = R_CreateVBO2(va("staticBspModel0_VBO %i", k), numVerts, verts,

3
code/renderergl2/tr_curve.c
View File

@ -247,8 +247,7 @@ static void MakeMeshTangentVectors(int width, int height, srfVert_t ctrl[MAX_GRI
dv[0] = &ctrl2[j * width + i];
dv[1] = &ctrl[j][i];
VectorCopy(dv[0]->tangent, dv[1]->tangent);
VectorCopy(dv[0]->bitangent, dv[1]->bitangent);
VectorCopy4(dv[0]->tangent, dv[1]->tangent);
}
}
}

83
code/renderergl2/tr_glsl.c
View File

@ -528,9 +528,6 @@ static int GLSL_InitGPUShader2(shaderProgram_t * program, const char *name, int
#ifdef USE_VERT_TANGENT_SPACE
if(attribs & ATTR_TANGENT)
qglBindAttribLocationARB(program->program, ATTR_INDEX_TANGENT, "attr_Tangent");
if(attribs & ATTR_BITANGENT)
qglBindAttribLocationARB(program->program, ATTR_INDEX_BITANGENT, "attr_Bitangent");
#endif
if(attribs & ATTR_NORMAL)
@ -554,9 +551,6 @@ static int GLSL_InitGPUShader2(shaderProgram_t * program, const char *name, int
#ifdef USE_VERT_TANGENT_SPACE
if(attribs & ATTR_TANGENT2)
qglBindAttribLocationARB(program->program, ATTR_INDEX_TANGENT2, "attr_Tangent2");
if(attribs & ATTR_BITANGENT2)
qglBindAttribLocationARB(program->program, ATTR_INDEX_BITANGENT2, "attr_Bitangent2");
#endif
GLSL_LinkProgram(program->program);
@ -1069,7 +1063,7 @@ void GLSL_InitGPUShaders(void)
#ifdef USE_VERT_TANGENT_SPACE
Q_strcat(extradefines, 1024, "#define USE_VERT_TANGENT_SPACE\n");
attribs |= ATTR_TANGENT | ATTR_BITANGENT;
attribs |= ATTR_TANGENT;
#endif
if ((i & LIGHTDEF_USE_PARALLAXMAP) && !(i & LIGHTDEF_ENTITY) && r_parallaxMapping->integer)
@ -1133,7 +1127,7 @@ void GLSL_InitGPUShaders(void)
#ifdef USE_VERT_TANGENT_SPACE
if (r_normalMapping->integer)
{
attribs |= ATTR_TANGENT2 | ATTR_BITANGENT2;
attribs |= ATTR_TANGENT2;
}
#endif
}
@ -1400,12 +1394,10 @@ void GLSL_ShutdownGPUShaders(void)
qglDisableVertexAttribArrayARB(ATTR_INDEX_NORMAL);
#ifdef USE_VERT_TANGENT_SPACE
qglDisableVertexAttribArrayARB(ATTR_INDEX_TANGENT);
qglDisableVertexAttribArrayARB(ATTR_INDEX_BITANGENT);
#endif
qglDisableVertexAttribArrayARB(ATTR_INDEX_NORMAL2);
#ifdef USE_VERT_TANGENT_SPACE
qglDisableVertexAttribArrayARB(ATTR_INDEX_TANGENT2);
qglDisableVertexAttribArrayARB(ATTR_INDEX_BITANGENT2);
#endif
qglDisableVertexAttribArrayARB(ATTR_INDEX_COLOR);
qglDisableVertexAttribArrayARB(ATTR_INDEX_LIGHTDIRECTION);
@ -1565,20 +1557,6 @@ void GLSL_VertexAttribsState(uint32_t stateBits)
qglDisableVertexAttribArrayARB(ATTR_INDEX_TANGENT);
}
}
if(diff & ATTR_BITANGENT)
{
if(stateBits & ATTR_BITANGENT)
{
GLimp_LogComment("qglEnableVertexAttribArrayARB( ATTR_INDEX_BITANGENT )\n");
qglEnableVertexAttribArrayARB(ATTR_INDEX_BITANGENT);
}
else
{
GLimp_LogComment("qglDisableVertexAttribArrayARB( ATTR_INDEX_BITANGENT )\n");
qglDisableVertexAttribArrayARB(ATTR_INDEX_BITANGENT);
}
}
#endif
if(diff & ATTR_COLOR)
@ -1651,20 +1629,6 @@ void GLSL_VertexAttribsState(uint32_t stateBits)
qglDisableVertexAttribArrayARB(ATTR_INDEX_TANGENT2);
}
}
if(diff & ATTR_BITANGENT2)
{
if(stateBits & ATTR_BITANGENT2)
{
GLimp_LogComment("qglEnableVertexAttribArrayARB( ATTR_INDEX_BITANGENT2 )\n");
qglEnableVertexAttribArrayARB(ATTR_INDEX_BITANGENT2);
}
else
{
GLimp_LogComment("qglDisableVertexAttribArrayARB( ATTR_INDEX_BITANGENT2 )\n");
qglDisableVertexAttribArrayARB(ATTR_INDEX_BITANGENT2);
}
}
#endif
glState.vertexAttribsState = stateBits;
@ -1674,17 +1638,18 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
qboolean animated;
int newFrame, oldFrame;
VBO_t *vbo = glState.currentVBO;
if(!glState.currentVBO)
if(!vbo)
{
ri.Error(ERR_FATAL, "GL_VertexAttribPointers: no VBO bound");
return;
}
// don't just call LogComment, or we will get a call to va() every frame!
GLimp_LogComment(va("--- GL_VertexAttribPointers( %s ) ---\n", glState.currentVBO->name));
GLimp_LogComment(va("--- GL_VertexAttribPointers( %s ) ---\n", vbo->name));
// position/normal/tangent/bitangent are always set in case of animation
// position/normal/tangent are always set in case of animation
oldFrame = glState.vertexAttribsOldFrame;
newFrame = glState.vertexAttribsNewFrame;
animated = glState.vertexAnimation;
@ -1693,7 +1658,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_POSITION )\n");
qglVertexAttribPointerARB(ATTR_INDEX_POSITION, 3, GL_FLOAT, 0, glState.currentVBO->stride_xyz, BUFFER_OFFSET(glState.currentVBO->ofs_xyz + newFrame * glState.currentVBO->size_xyz));
qglVertexAttribPointerARB(ATTR_INDEX_POSITION, 3, GL_FLOAT, 0, vbo->stride_xyz, BUFFER_OFFSET(vbo->ofs_xyz + newFrame * vbo->size_xyz));
glState.vertexAttribPointersSet |= ATTR_POSITION;
}
@ -1701,7 +1666,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_TEXCOORD )\n");
qglVertexAttribPointerARB(ATTR_INDEX_TEXCOORD0, 2, GL_FLOAT, 0, glState.currentVBO->stride_st, BUFFER_OFFSET(glState.currentVBO->ofs_st));
qglVertexAttribPointerARB(ATTR_INDEX_TEXCOORD0, 2, GL_FLOAT, 0, vbo->stride_st, BUFFER_OFFSET(vbo->ofs_st));
glState.vertexAttribPointersSet |= ATTR_TEXCOORD;
}
@ -1709,7 +1674,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_LIGHTCOORD )\n");
qglVertexAttribPointerARB(ATTR_INDEX_TEXCOORD1, 2, GL_FLOAT, 0, glState.currentVBO->stride_lightmap, BUFFER_OFFSET(glState.currentVBO->ofs_lightmap));
qglVertexAttribPointerARB(ATTR_INDEX_TEXCOORD1, 2, GL_FLOAT, 0, vbo->stride_lightmap, BUFFER_OFFSET(vbo->ofs_lightmap));
glState.vertexAttribPointersSet |= ATTR_LIGHTCOORD;
}
@ -1717,7 +1682,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_NORMAL )\n");
qglVertexAttribPointerARB(ATTR_INDEX_NORMAL, 3, GL_FLOAT, 0, glState.currentVBO->stride_normal, BUFFER_OFFSET(glState.currentVBO->ofs_normal + newFrame * glState.currentVBO->size_normal));
qglVertexAttribPointerARB(ATTR_INDEX_NORMAL, 3, GL_UNSIGNED_BYTE, GL_TRUE, vbo->stride_normal, BUFFER_OFFSET(vbo->ofs_normal + newFrame * vbo->size_normal));
glState.vertexAttribPointersSet |= ATTR_NORMAL;
}
@ -1726,24 +1691,16 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_TANGENT )\n");
qglVertexAttribPointerARB(ATTR_INDEX_TANGENT, 3, GL_FLOAT, 0, glState.currentVBO->stride_tangent, BUFFER_OFFSET(glState.currentVBO->ofs_tangent + newFrame * glState.currentVBO->size_normal)); // FIXME
qglVertexAttribPointerARB(ATTR_INDEX_TANGENT, 4, GL_UNSIGNED_BYTE, GL_TRUE, vbo->stride_tangent, BUFFER_OFFSET(vbo->ofs_tangent + newFrame * vbo->size_normal)); // FIXME
glState.vertexAttribPointersSet |= ATTR_TANGENT;
}
if((attribBits & ATTR_BITANGENT) && (!(glState.vertexAttribPointersSet & ATTR_BITANGENT) || animated))
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_BITANGENT )\n");
qglVertexAttribPointerARB(ATTR_INDEX_BITANGENT, 3, GL_FLOAT, 0, glState.currentVBO->stride_bitangent, BUFFER_OFFSET(glState.currentVBO->ofs_bitangent + newFrame * glState.currentVBO->size_normal)); // FIXME
glState.vertexAttribPointersSet |= ATTR_BITANGENT;
}
#endif
if((attribBits & ATTR_COLOR) && !(glState.vertexAttribPointersSet & ATTR_COLOR))
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_COLOR )\n");
qglVertexAttribPointerARB(ATTR_INDEX_COLOR, 4, GL_FLOAT, 0, glState.currentVBO->stride_vertexcolor, BUFFER_OFFSET(glState.currentVBO->ofs_vertexcolor));
qglVertexAttribPointerARB(ATTR_INDEX_COLOR, 4, GL_FLOAT, 0, vbo->stride_vertexcolor, BUFFER_OFFSET(vbo->ofs_vertexcolor));
glState.vertexAttribPointersSet |= ATTR_COLOR;
}
@ -1751,7 +1708,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_LIGHTDIRECTION )\n");
qglVertexAttribPointerARB(ATTR_INDEX_LIGHTDIRECTION, 3, GL_FLOAT, 0, glState.currentVBO->stride_lightdir, BUFFER_OFFSET(glState.currentVBO->ofs_lightdir));
qglVertexAttribPointerARB(ATTR_INDEX_LIGHTDIRECTION, 3, GL_FLOAT, 0, vbo->stride_lightdir, BUFFER_OFFSET(vbo->ofs_lightdir));
glState.vertexAttribPointersSet |= ATTR_LIGHTDIRECTION;
}
@ -1759,7 +1716,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_POSITION2 )\n");
qglVertexAttribPointerARB(ATTR_INDEX_POSITION2, 3, GL_FLOAT, 0, glState.currentVBO->stride_xyz, BUFFER_OFFSET(glState.currentVBO->ofs_xyz + oldFrame * glState.currentVBO->size_xyz));
qglVertexAttribPointerARB(ATTR_INDEX_POSITION2, 3, GL_FLOAT, 0, vbo->stride_xyz, BUFFER_OFFSET(vbo->ofs_xyz + oldFrame * vbo->size_xyz));
glState.vertexAttribPointersSet |= ATTR_POSITION2;
}
@ -1767,7 +1724,7 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_NORMAL2 )\n");
qglVertexAttribPointerARB(ATTR_INDEX_NORMAL2, 3, GL_FLOAT, 0, glState.currentVBO->stride_normal, BUFFER_OFFSET(glState.currentVBO->ofs_normal + oldFrame * glState.currentVBO->size_normal));
qglVertexAttribPointerARB(ATTR_INDEX_NORMAL2, 3, GL_UNSIGNED_BYTE, GL_TRUE, vbo->stride_normal, BUFFER_OFFSET(vbo->ofs_normal + oldFrame * vbo->size_normal));
glState.vertexAttribPointersSet |= ATTR_NORMAL2;
}
@ -1776,17 +1733,9 @@ void GLSL_VertexAttribPointers(uint32_t attribBits)
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_TANGENT2 )\n");
qglVertexAttribPointerARB(ATTR_INDEX_TANGENT2, 3, GL_FLOAT, 0, glState.currentVBO->stride_tangent, BUFFER_OFFSET(glState.currentVBO->ofs_tangent + oldFrame * glState.currentVBO->size_normal)); // FIXME
qglVertexAttribPointerARB(ATTR_INDEX_TANGENT2, 4, GL_UNSIGNED_BYTE, GL_TRUE, vbo->stride_tangent, BUFFER_OFFSET(vbo->ofs_tangent + oldFrame * vbo->size_normal)); // FIXME
glState.vertexAttribPointersSet |= ATTR_TANGENT2;
}
if((attribBits & ATTR_BITANGENT2) && (!(glState.vertexAttribPointersSet & ATTR_BITANGENT2) || animated))
{
GLimp_LogComment("qglVertexAttribPointerARB( ATTR_INDEX_BITANGENT2 )\n");
qglVertexAttribPointerARB(ATTR_INDEX_BITANGENT2, 3, GL_FLOAT, 0, glState.currentVBO->stride_bitangent, BUFFER_OFFSET(glState.currentVBO->ofs_bitangent + oldFrame * glState.currentVBO->size_normal)); // FIXME
glState.vertexAttribPointersSet |= ATTR_BITANGENT2;
}
#endif
}

54
code/renderergl2/tr_local.h
View File

@ -116,7 +116,6 @@ typedef struct VBO_s
uint32_t ofs_lightdir;
#ifdef USE_VERT_TANGENT_SPACE
uint32_t ofs_tangent;
uint32_t ofs_bitangent;
#endif
uint32_t stride_xyz;
uint32_t stride_normal;
@ -126,7 +125,6 @@ typedef struct VBO_s
uint32_t stride_lightdir;
#ifdef USE_VERT_TANGENT_SPACE
uint32_t stride_tangent;
uint32_t stride_bitangent;
#endif
uint32_t size_xyz;
uint32_t size_normal;
@ -515,19 +513,17 @@ enum
ATTR_INDEX_TEXCOORD0 = 1,
ATTR_INDEX_TEXCOORD1 = 2,
ATTR_INDEX_TANGENT = 3,
ATTR_INDEX_BITANGENT = 4,
ATTR_INDEX_NORMAL = 5,
ATTR_INDEX_COLOR = 6,
ATTR_INDEX_PAINTCOLOR = 7,
ATTR_INDEX_LIGHTDIRECTION = 8,
ATTR_INDEX_BONE_INDEXES = 9,
ATTR_INDEX_BONE_WEIGHTS = 10,
ATTR_INDEX_NORMAL = 4,
ATTR_INDEX_COLOR = 5,
ATTR_INDEX_PAINTCOLOR = 6,
ATTR_INDEX_LIGHTDIRECTION = 7,
ATTR_INDEX_BONE_INDEXES = 8,
ATTR_INDEX_BONE_WEIGHTS = 9,
// GPU vertex animations
ATTR_INDEX_POSITION2 = 11,
ATTR_INDEX_TANGENT2 = 12,
ATTR_INDEX_BITANGENT2 = 13,
ATTR_INDEX_NORMAL2 = 14
ATTR_INDEX_POSITION2 = 10,
ATTR_INDEX_TANGENT2 = 11,
ATTR_INDEX_NORMAL2 = 12
};
enum
@ -613,26 +609,23 @@ enum
ATTR_TEXCOORD = 0x0002,
ATTR_LIGHTCOORD = 0x0004,
ATTR_TANGENT = 0x0008,
ATTR_BITANGENT = 0x0010,
ATTR_NORMAL = 0x0020,
ATTR_COLOR = 0x0040,
ATTR_PAINTCOLOR = 0x0080,
ATTR_LIGHTDIRECTION = 0x0100,
ATTR_BONE_INDEXES = 0x0200,
ATTR_BONE_WEIGHTS = 0x0400,
ATTR_NORMAL = 0x0010,
ATTR_COLOR = 0x0020,
ATTR_PAINTCOLOR = 0x0040,
ATTR_LIGHTDIRECTION = 0x0080,
ATTR_BONE_INDEXES = 0x0100,
ATTR_BONE_WEIGHTS = 0x0200,
// for .md3 interpolation
ATTR_POSITION2 = 0x0800,
ATTR_TANGENT2 = 0x1000,
ATTR_BITANGENT2 = 0x2000,
ATTR_NORMAL2 = 0x4000,
ATTR_POSITION2 = 0x0400,
ATTR_TANGENT2 = 0x0800,
ATTR_NORMAL2 = 0x1000,
ATTR_DEFAULT = ATTR_POSITION,
ATTR_BITS = ATTR_POSITION |
ATTR_TEXCOORD |
ATTR_LIGHTCOORD |
ATTR_TANGENT |
ATTR_BITANGENT |
ATTR_NORMAL |
ATTR_COLOR |
ATTR_PAINTCOLOR |
@ -641,7 +634,6 @@ enum
ATTR_BONE_WEIGHTS |
ATTR_POSITION2 |
ATTR_TANGENT2 |
ATTR_BITANGENT2 |
ATTR_NORMAL2
};
@ -986,8 +978,7 @@ typedef struct
vec2_t lightmap;
vec3_t normal;
#ifdef USE_VERT_TANGENT_SPACE
vec3_t tangent;
vec3_t bitangent;
vec4_t tangent;
#endif
vec3_t lightdir;
vec4_t vertexColors;
@ -998,7 +989,7 @@ typedef struct
} srfVert_t;
#ifdef USE_VERT_TANGENT_SPACE
#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0, 0}}
#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0}, {0, 0, 0, 0}}
#else
#define srfVert_t_cleared(x) srfVert_t (x) = {{0, 0, 0}, {0, 0}, {0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0, 0}}
#endif
@ -2094,10 +2085,9 @@ typedef struct shaderCommands_s
{
glIndex_t indexes[SHADER_MAX_INDEXES] QALIGN(16);
vec4_t xyz[SHADER_MAX_VERTEXES] QALIGN(16);
vec4_t normal[SHADER_MAX_VERTEXES] QALIGN(16);
uint8_t normal[SHADER_MAX_VERTEXES][4] QALIGN(16);
#ifdef USE_VERT_TANGENT_SPACE
vec4_t tangent[SHADER_MAX_VERTEXES] QALIGN(16);
vec4_t bitangent[SHADER_MAX_VERTEXES] QALIGN(16);
uint8_t tangent[SHADER_MAX_VERTEXES][4] QALIGN(16);
#endif
vec2_t texCoords[SHADER_MAX_VERTEXES][2] QALIGN(16);
vec4_t vertexColors[SHADER_MAX_VERTEXES] QALIGN(16);

25
code/renderergl2/tr_main.c
View File

@ -454,6 +454,8 @@ qboolean R_CalcTangentVectors(srfVert_t * dv[3])
/* do each vertex */
for(i = 0; i < 3; i++)
{
vec3_t bitangent, nxt;
// calculate s tangent vector
s = dv[i]->st[0] + 10.0f;
t = dv[i]->st[1];
@ -475,12 +477,16 @@ qboolean R_CalcTangentVectors(srfVert_t * dv[3])
bary[1] = ((dv[2]->st[0] - s) * (dv[0]->st[1] - t) - (dv[0]->st[0] - s) * (dv[2]->st[1] - t)) / bb;
bary[2] = ((dv[0]->st[0] - s) * (dv[1]->st[1] - t) - (dv[1]->st[0] - s) * (dv[0]->st[1] - t)) / bb;
dv[i]->bitangent[0] = bary[0] * dv[0]->xyz[0] + bary[1] * dv[1]->xyz[0] + bary[2] * dv[2]->xyz[0];
dv[i]->bitangent[1] = bary[0] * dv[0]->xyz[1] + bary[1] * dv[1]->xyz[1] + bary[2] * dv[2]->xyz[1];
dv[i]->bitangent[2] = bary[0] * dv[0]->xyz[2] + bary[1] * dv[1]->xyz[2] + bary[2] * dv[2]->xyz[2];
bitangent[0] = bary[0] * dv[0]->xyz[0] + bary[1] * dv[1]->xyz[0] + bary[2] * dv[2]->xyz[0];
bitangent[1] = bary[0] * dv[0]->xyz[1] + bary[1] * dv[1]->xyz[1] + bary[2] * dv[2]->xyz[1];
bitangent[2] = bary[0] * dv[0]->xyz[2] + bary[1] * dv[1]->xyz[2] + bary[2] * dv[2]->xyz[2];
VectorSubtract(dv[i]->bitangent, dv[i]->xyz, dv[i]->bitangent);
VectorNormalize(dv[i]->bitangent);
VectorSubtract(bitangent, dv[i]->xyz, bitangent);
VectorNormalize(bitangent);
// store bitangent handedness
CrossProduct(dv[i]->normal, dv[i]->tangent, nxt);
dv[i]->tangent[3] = (DotProduct(nxt, bitangent) < 0.0f) ? -1.0f : 1.0f;
// debug code
//% Sys_FPrintf( SYS_VRB, "%d S: (%f %f %f) T: (%f %f %f)\n", i,
@ -1556,7 +1562,8 @@ static qboolean SurfIsOffscreen( const drawSurf_t *drawSurf, vec4_t clipDest[128
for ( i = 0; i < tess.numIndexes; i += 3 )
{
vec3_t normal;
vec3_t normal, tNormal;
float len;
VectorSubtract( tess.xyz[tess.indexes[i]], tr.viewParms.or.origin, normal );
@ -1567,7 +1574,11 @@ static qboolean SurfIsOffscreen( const drawSurf_t *drawSurf, vec4_t clipDest[128
shortest = len;
}
if ( DotProduct( normal, tess.normal[tess.indexes[i]] ) >= 0 )
tNormal[0] = tess.normal[tess.indexes[i]][0] / 127.5f - 1.0f;
tNormal[1] = tess.normal[tess.indexes[i]][1] / 127.5f - 1.0f;
tNormal[2] = tess.normal[tess.indexes[i]][2] / 127.5f - 1.0f;
if ( DotProduct( normal, tNormal ) >= 0 )
{
numTriangles--;
}

37
code/renderergl2/tr_model.c
View File

@ -689,11 +689,10 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
for (i = 0; i < mdvModel->numSurfaces; i++, vboSurf++, surf++)
{
vec3_t *verts;
vec3_t *normals;
vec2_t *texcoords;
uint8_t *normals;
#ifdef USE_VERT_TANGENT_SPACE
vec3_t *tangents;
vec3_t *bitangents;
uint8_t *tangents;
#endif
byte *data;
@ -701,7 +700,7 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
int ofs_xyz, ofs_normal, ofs_st;
#ifdef USE_VERT_TANGENT_SPACE
int ofs_tangent, ofs_bitangent;
int ofs_tangent;
#endif
dataSize = 0;
@ -710,14 +709,11 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*verts);
ofs_normal = dataSize;
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*normals);
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*normals) * 4;
#ifdef USE_VERT_TANGENT_SPACE
ofs_tangent = dataSize;
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*tangents);
ofs_bitangent = dataSize;
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*bitangents);
dataSize += surf->numVerts * mdvModel->numFrames * sizeof(*tangents) * 4;
#endif
ofs_st = dataSize;
@ -729,18 +725,25 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
normals = (void *)(data + ofs_normal);
#ifdef USE_VERT_TANGENT_SPACE
tangents = (void *)(data + ofs_tangent);
bitangents = (void *)(data + ofs_bitangent);
#endif
texcoords = (void *)(data + ofs_st);
v = surf->verts;
for ( j = 0; j < surf->numVerts * mdvModel->numFrames ; j++, v++ )
{
vec3_t nxt;
CrossProduct(v->normal, v->tangent, nxt);
VectorCopy(v->xyz, verts[j]);
VectorCopy(v->normal, normals[j]);
normals[j*4+0] = (uint8_t)(v->normal[0] * 127.5f + 128.0f);
normals[j*4+1] = (uint8_t)(v->normal[1] * 127.5f + 128.0f);
normals[j*4+2] = (uint8_t)(v->normal[2] * 127.5f + 128.0f);
normals[j*4+3] = 0;
#ifdef USE_VERT_TANGENT_SPACE
VectorCopy(v->tangent, tangents[j]);
VectorCopy(v->bitangent, bitangents[j]);
tangents[j*4+0] = (uint8_t)(v->tangent[0] * 127.5f + 128.0f);
tangents[j*4+1] = (uint8_t)(v->tangent[1] * 127.5f + 128.0f);
tangents[j*4+2] = (uint8_t)(v->tangent[2] * 127.5f + 128.0f);
tangents[j*4+3] = (DotProduct(nxt, v->bitangent) < 0.0f) ? 0 : 255;
#endif
}
@ -765,20 +768,18 @@ static qboolean R_LoadMD3(model_t * mod, int lod, void *buffer, int bufferSize,
vboSurf->vbo->ofs_normal = ofs_normal;
#ifdef USE_VERT_TANGENT_SPACE
vboSurf->vbo->ofs_tangent = ofs_tangent;
vboSurf->vbo->ofs_bitangent = ofs_bitangent;
#endif
vboSurf->vbo->ofs_st = ofs_st;
vboSurf->vbo->stride_xyz = sizeof(*verts);
vboSurf->vbo->stride_normal = sizeof(*normals);
vboSurf->vbo->stride_normal = sizeof(*normals) * 4;
#ifdef USE_VERT_TANGENT_SPACE
vboSurf->vbo->stride_tangent = sizeof(*tangents);
vboSurf->vbo->stride_bitangent = sizeof(*bitangents);
vboSurf->vbo->stride_tangent = sizeof(*tangents) * 4;
#endif
vboSurf->vbo->stride_st = sizeof(*st);
vboSurf->vbo->size_xyz = sizeof(*verts) * surf->numVerts;
vboSurf->vbo->size_normal = sizeof(*normals) * surf->numVerts;
vboSurf->vbo->size_normal = sizeof(*normals) * surf->numVerts * 4;
ri.Free(data);

23
code/renderergl2/tr_model_iqm.c
View File

@ -1024,7 +1024,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
int i;
vec4_t *outXYZ;
vec4_t *outNormal;
uint8_t *outNormal;
vec2_t (*outTexCoord)[2];
vec4_t *outColor;
@ -1039,7 +1039,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
RB_CHECKOVERFLOW( surf->num_vertexes, surf->num_triangles * 3 );
outXYZ = &tess.xyz[tess.numVertexes];
outNormal = &tess.normal[tess.numVertexes];
outNormal = &tess.normal[tess.numVertexes][0];
outTexCoord = &tess.texCoords[tess.numVertexes];
outColor = &tess.vertexColors[tess.numVertexes];
@ -1050,7 +1050,7 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
// transform vertexes and fill other data
for( i = 0; i < surf->num_vertexes;
i++, outXYZ++, outNormal++, outTexCoord++, outColor++ ) {
i++, outXYZ++, outNormal+=4, outTexCoord++, outColor++ ) {
int j, k;
float vtxMat[12];
float nrmMat[9];
@ -1116,19 +1116,22 @@ void RB_IQMSurfaceAnim( surfaceType_t *surface ) {
vtxMat[11];
(*outXYZ)[3] = 1.0f;
(*outNormal)[0] =
(outNormal)[0] = (uint8_t)((
nrmMat[ 0] * data->normals[3*vtx+0] +
nrmMat[ 1] * data->normals[3*vtx+1] +
nrmMat[ 2] * data->normals[3*vtx+2];
(*outNormal)[1] =
nrmMat[ 2] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[1] = (uint8_t)((
nrmMat[ 3] * data->normals[3*vtx+0] +
nrmMat[ 4] * data->normals[3*vtx+1] +
nrmMat[ 5] * data->normals[3*vtx+2];
(*outNormal)[2] =
nrmMat[ 5] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[2] = (uint8_t)((
nrmMat[ 6] * data->normals[3*vtx+0] +
nrmMat[ 7] * data->normals[3*vtx+1] +
nrmMat[ 8] * data->normals[3*vtx+2];
(*outNormal)[3] = 0.0f;
nrmMat[ 8] * data->normals[3*vtx+2]
)* 127.5f + 128.0f);
(outNormal)[3] = 0;
(*outColor)[0] = data->colors[4*vtx+0] / 255.0f;
(*outColor)[1] = data->colors[4*vtx+1] / 255.0f;

1
code/renderergl2/tr_shade.c
View File

@ -1027,7 +1027,6 @@ static unsigned int RB_CalcShaderVertexAttribs( shaderCommands_t *input )
vertexAttribs |= ATTR_NORMAL2;
#ifdef USE_VERT_TANGENT_SPACE
vertexAttribs |= ATTR_TANGENT2;
vertexAttribs |= ATTR_BITANGENT2;
#endif
}
}

46
code/renderergl2/tr_shade_calc.c
View File

@ -116,7 +116,7 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
vec3_t offset;
float scale;
float *xyz = ( float * ) tess.xyz;
float *normal = ( float * ) tess.normal;
uint8_t *normal = ( uint8_t * ) tess.normal;
float *table;
if ( ds->deformationWave.frequency == 0 )
@ -125,7 +125,9 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal += 4 )
{
VectorScale( normal, scale, offset );
offset[0] = (normal[0] / 127.5f - 1.0f) * scale;
offset[1] = (normal[1] / 127.5f - 1.0f) * scale;
offset[2] = (normal[2] / 127.5f - 1.0f) * scale;
xyz[0] += offset[0];
xyz[1] += offset[1];
@ -145,7 +147,9 @@ void RB_CalcDeformVertexes( deformStage_t *ds )
ds->deformationWave.phase + off,
ds->deformationWave.frequency );
VectorScale( normal, scale, offset );
offset[0] = (normal[0] / 127.5f - 1.0f) * scale;
offset[1] = (normal[1] / 127.5f - 1.0f) * scale;
offset[2] = (normal[2] / 127.5f - 1.0f) * scale;
xyz[0] += offset[0];
xyz[1] += offset[1];
@ -165,25 +169,35 @@ void RB_CalcDeformNormals( deformStage_t *ds ) {
int i;
float scale;
float *xyz = ( float * ) tess.xyz;
float *normal = ( float * ) tess.normal;
uint8_t *normal = ( uint8_t * ) tess.normal;
for ( i = 0; i < tess.numVertexes; i++, xyz += 4, normal += 4 ) {
vec3_t fNormal;
fNormal[0] = normal[0] / 127.5f - 1.0f;
fNormal[1] = normal[1] / 127.5f - 1.0f;
fNormal[2] = normal[2] / 127.5f - 1.0f;
scale = 0.98f;
scale = R_NoiseGet4f( xyz[0] * scale, xyz[1] * scale, xyz[2] * scale,
tess.shaderTime * ds->deformationWave.frequency );
normal[ 0 ] += ds->deformationWave.amplitude * scale;
fNormal[ 0 ] += ds->deformationWave.amplitude * scale;
scale = 0.98f;
scale = R_NoiseGet4f( 100 + xyz[0] * scale, xyz[1] * scale, xyz[2] * scale,
tess.shaderTime * ds->deformationWave.frequency );
normal[ 1 ] += ds->deformationWave.amplitude * scale;
fNormal[ 1 ] += ds->deformationWave.amplitude * scale;
scale = 0.98f;
scale = R_NoiseGet4f( 200 + xyz[0] * scale, xyz[1] * scale, xyz[2] * scale,
tess.shaderTime * ds->deformationWave.frequency );
normal[ 2 ] += ds->deformationWave.amplitude * scale;
fNormal[ 2 ] += ds->deformationWave.amplitude * scale;
VectorNormalizeFast( normal );
VectorNormalizeFast( fNormal );
normal[0] = (uint8_t)(fNormal[0] * 127.5f + 128.0f);
normal[1] = (uint8_t)(fNormal[0] * 127.5f + 128.0f);
normal[2] = (uint8_t)(fNormal[0] * 127.5f + 128.0f);
}
}
@ -197,7 +211,7 @@ void RB_CalcBulgeVertexes( deformStage_t *ds ) {
int i;
const float *st = ( const float * ) tess.texCoords[0];
float *xyz = ( float * ) tess.xyz;
float *normal = ( float * ) tess.normal;
uint8_t *normal = ( uint8_t * ) tess.normal;
float now;
now = backEnd.refdef.time * ds->bulgeSpeed * 0.001f;
@ -210,9 +224,9 @@ void RB_CalcBulgeVertexes( deformStage_t *ds ) {
scale = tr.sinTable[ off & FUNCTABLE_MASK ] * ds->bulgeHeight;
xyz[0] += normal[0] * scale;
xyz[1] += normal[1] * scale;
xyz[2] += normal[2] * scale;
xyz[0] += (normal[0] / 127.5f - 1.0f) * scale;
xyz[1] += (normal[1] / 127.5f - 1.0f) * scale;
xyz[2] += (normal[2] / 127.5f - 1.0f) * scale;
}
}
@ -262,11 +276,17 @@ void DeformText( const char *text ) {
float color[4];
float bottom, top;
vec3_t mid;
vec3_t fNormal;
height[0] = 0;
height[1] = 0;
height[2] = -1;
CrossProduct( tess.normal[0], height, width );
fNormal[0] = tess.normal[0][0] / 127.5f - 1.0f;
fNormal[1] = tess.normal[0][1] / 127.5f - 1.0f;
fNormal[2] = tess.normal[0][2] / 127.5f - 1.0f;
CrossProduct( fNormal, height, width );
// find the midpoint of the box
VectorClear( mid );

2
code/renderergl2/tr_shader.c
View File

@ -1947,7 +1947,7 @@ static void ComputeVertexAttribs(void)
#ifdef USE_VERT_TANGENT_SPACE
if ((pStage->glslShaderIndex & LIGHTDEF_LIGHTTYPE_MASK) && !(r_normalMapping->integer == 0 && r_specularMapping->integer == 0))
{
shader.vertexAttribs |= ATTR_BITANGENT | ATTR_TANGENT;
shader.vertexAttribs |= ATTR_TANGENT;
}
#endif

95
code/renderergl2/tr_surface.c
View File

@ -124,10 +124,25 @@ void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, float color[4],
// constant normal all the way around
VectorSubtract( vec3_origin, backEnd.viewParms.or.axis[0], normal );
VectorCopy(normal, tess.normal[ndx]);
VectorCopy(normal, tess.normal[ndx+1]);
VectorCopy(normal, tess.normal[ndx+2]);
VectorCopy(normal, tess.normal[ndx+3]);
tess.normal[ndx][0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
tess.normal[ndx][1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
tess.normal[ndx][2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
tess.normal[ndx][3] = 0;
tess.normal[ndx+1][0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
tess.normal[ndx+1][1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
tess.normal[ndx+1][2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
tess.normal[ndx+1][3] = 0;
tess.normal[ndx+2][0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
tess.normal[ndx+2][1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
tess.normal[ndx+2][2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
tess.normal[ndx+2][3] = 0;
tess.normal[ndx+3][0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
tess.normal[ndx+3][1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
tess.normal[ndx+3][2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
tess.normal[ndx+3][3] = 0;
// standard square texture coordinates
VectorSet2(tess.texCoords[ndx ][0], s1, t1);
@ -316,9 +331,10 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
int i;
glIndex_t *inIndex;
srfVert_t *dv;
float *xyz, *normal, *texCoords, *lightCoords, *lightdir;
float *xyz, *texCoords, *lightCoords, *lightdir;
uint8_t *normal;
#ifdef USE_VERT_TANGENT_SPACE
float *tangent, *bitangent;
uint8_t *tangent;
#endif
glIndex_t *outIndex;
float *color;
@ -347,7 +363,12 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
dv = verts;
normal = tess.normal[ tess.numVertexes ];
for ( i = 0 ; i < numVerts ; i++, dv++, normal+=4 )
VectorCopy(dv->normal, normal);
{
normal[0] = (uint8_t)(dv->normal[0] * 127.5f + 128.0f);
normal[1] = (uint8_t)(dv->normal[1] * 127.5f + 128.0f);
normal[2] = (uint8_t)(dv->normal[2] * 127.5f + 128.0f);
normal[3] = 0;
}
}
#ifdef USE_VERT_TANGENT_SPACE
@ -356,15 +377,12 @@ static void RB_SurfaceVertsAndIndexes( int numVerts, srfVert_t *verts, int numIn
dv = verts;
tangent = tess.tangent[ tess.numVertexes ];
for ( i = 0 ; i < numVerts ; i++, dv++, tangent+=4 )
VectorCopy(dv->tangent, tangent);
}
if ( tess.shader->vertexAttribs & ATTR_BITANGENT )
{
dv = verts;
bitangent = tess.bitangent[ tess.numVertexes ];
for ( i = 0 ; i < numVerts ; i++, dv++, bitangent+=4 )
VectorCopy(dv->bitangent, bitangent);
tangent[0] = (uint8_t)(dv->tangent[0] * 127.5f + 128.0f);
tangent[1] = (uint8_t)(dv->tangent[1] * 127.5f + 128.0f);
tangent[2] = (uint8_t)(dv->tangent[2] * 127.5f + 128.0f);
tangent[3] = (uint8_t)(dv->tangent[3] * 127.5f + 128.0f);
}
}
#endif
@ -1127,7 +1145,8 @@ static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
VectorArrayNormalize((vec4_t *)tess.normal[tess.numVertexes], numVerts);
}
#endif
float *outXyz, *outNormal;
float *outXyz;
uint8_t *outNormal;
mdvVertex_t *newVerts;
int vertNum;
@ -1144,8 +1163,16 @@ static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
for (vertNum=0 ; vertNum < surf->numVerts ; vertNum++)
{
vec3_t normal;
VectorCopy(newVerts->xyz, outXyz);
VectorCopy(newVerts->normal, outNormal);
VectorCopy(newVerts->normal, normal);
outNormal[0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
outNormal[1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
outNormal[2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
outNormal[3] = 0;
newVerts++;
outXyz += 4;
outNormal += 4;
@ -1163,15 +1190,22 @@ static void LerpMeshVertexes_scalar(mdvSurface_t *surf, float backlerp)
for (vertNum=0 ; vertNum < surf->numVerts ; vertNum++)
{
vec3_t normal;
VectorLerp(newVerts->xyz, oldVerts->xyz, backlerp, outXyz);
VectorLerp(newVerts->normal, oldVerts->normal, backlerp, outNormal);
//VectorNormalize(outNormal);
VectorLerp(newVerts->normal, oldVerts->normal, backlerp, normal);
VectorNormalize(normal);
outNormal[0] = (uint8_t)(normal[0] * 127.5f + 128.0f);
outNormal[1] = (uint8_t)(normal[1] * 127.5f + 128.0f);
outNormal[2] = (uint8_t)(normal[2] * 127.5f + 128.0f);
outNormal[3] = 0;
newVerts++;
oldVerts++;
outXyz += 4;
outNormal += 4;
}
VectorArrayNormalize((vec4_t *)tess.normal[tess.numVertexes], surf->numVerts);
}
}
@ -1292,9 +1326,9 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
int i, j;
float *xyz;
float *texCoords, *lightCoords;
float *normal;
uint8_t *normal;
#ifdef USE_VERT_TANGENT_SPACE
float *tangent, *bitangent;
uint8_t *tangent;
#endif
float *color, *lightdir;
srfVert_t *dv;
@ -1382,7 +1416,6 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
normal = tess.normal[numVertexes];
#ifdef USE_VERT_TANGENT_SPACE
tangent = tess.tangent[numVertexes];
bitangent = tess.bitangent[numVertexes];
#endif
texCoords = tess.texCoords[numVertexes][0];
lightCoords = tess.texCoords[numVertexes][1];
@ -1403,22 +1436,22 @@ static void RB_SurfaceGrid( srfBspSurface_t *srf ) {
if ( tess.shader->vertexAttribs & ATTR_NORMAL )
{
VectorCopy(dv->normal, normal);
normal[0] = (uint8_t)(dv->normal[0] * 127.5f + 128.0f);
normal[1] = (uint8_t)(dv->normal[1] * 127.5f + 128.0f);
normal[2] = (uint8_t)(dv->normal[2] * 127.5f + 128.0f);
normal[3] = 0;
normal += 4;
}
#ifdef USE_VERT_TANGENT_SPACE
if ( tess.shader->vertexAttribs & ATTR_TANGENT )
{
VectorCopy(dv->tangent, tangent);
tangent[0] = (uint8_t)(dv->tangent[0] * 127.5f + 128.0f);
tangent[1] = (uint8_t)(dv->tangent[1] * 127.5f + 128.0f);
tangent[2] = (uint8_t)(dv->tangent[2] * 127.5f + 128.0f);
tangent[3] = (uint8_t)(dv->tangent[3] * 127.5f + 128.0f);
tangent += 4;
}
if ( tess.shader->vertexAttribs & ATTR_BITANGENT )
{
VectorCopy(dv->bitangent, bitangent);
bitangent += 4;
}
#endif
if ( tess.shader->vertexAttribs & ATTR_TEXCOORD )
{

96
code/renderergl2/tr_vbo.c
View File

@ -142,20 +142,14 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
if(stateBits & ATTR_NORMAL)
{
vbo->ofs_normal = dataSize;
dataSize += sizeof(verts[0].normal);
dataSize += sizeof(uint8_t) * 4;
}
#ifdef USE_VERT_TANGENT_SPACE
if(stateBits & ATTR_TANGENT)
{
vbo->ofs_tangent = dataSize;
dataSize += sizeof(verts[0].tangent);
}
if(stateBits & ATTR_BITANGENT)
{
vbo->ofs_bitangent = dataSize;
dataSize += sizeof(verts[0].bitangent);
dataSize += sizeof(uint8_t) * 4;
}
#endif
@ -187,7 +181,6 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
vbo->stride_normal = dataSize;
#ifdef USE_VERT_TANGENT_SPACE
vbo->stride_tangent = dataSize;
vbo->stride_bitangent = dataSize;
#endif
vbo->stride_st = dataSize;
vbo->stride_lightmap = dataSize;
@ -211,23 +204,31 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
// normal
if(stateBits & ATTR_NORMAL)
{
memcpy(data + dataOfs, &verts[i].normal, sizeof(verts[i].normal));
dataOfs += sizeof(verts[i].normal);
uint8_t *p = data + dataOfs;
p[0] = (uint8_t)(verts[i].normal[0] * 127.5f + 128.0f);
p[1] = (uint8_t)(verts[i].normal[1] * 127.5f + 128.0f);
p[2] = (uint8_t)(verts[i].normal[2] * 127.5f + 128.0f);
p[3] = 0;
dataOfs += sizeof(uint8_t) * 4;
}
#ifdef USE_VERT_TANGENT_SPACE
// tangent
if(stateBits & ATTR_TANGENT)
{
memcpy(data + dataOfs, &verts[i].tangent, sizeof(verts[i].tangent));
dataOfs += sizeof(verts[i].tangent);
}
vec3_t nxt;
uint8_t *p = data + dataOfs;
// bitangent
if(stateBits & ATTR_BITANGENT)
{
memcpy(data + dataOfs, &verts[i].bitangent, sizeof(verts[i].bitangent));
dataOfs += sizeof(verts[i].bitangent);
CrossProduct(verts[i].normal, verts[i].tangent, nxt);
p[0] = (uint8_t)(verts[i].tangent[0] * 127.5f + 128.0f);
p[1] = (uint8_t)(verts[i].tangent[1] * 127.5f + 128.0f);
p[2] = (uint8_t)(verts[i].tangent[2] * 127.5f + 128.0f);
p[3] = (uint8_t)(verts[i].tangent[3] * 127.5f + 128.0f);
dataOfs += sizeof(uint8_t) * 4;
}
#endif
@ -267,18 +268,13 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
if(stateBits & ATTR_NORMAL)
{
dataSize += sizeof(verts[0].normal);
dataSize += sizeof(uint8_t) * 4;
}
#ifdef USE_VERT_TANGENT_SPACE
if(stateBits & ATTR_TANGENT)
{
dataSize += sizeof(verts[0].tangent);
}
if(stateBits & ATTR_BITANGENT)
{
dataSize += sizeof(verts[0].bitangent);
dataSize += sizeof(uint8_t) * 4;
}
#endif
@ -311,7 +307,6 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
vbo->ofs_normal = 0;
#ifdef USE_VERT_TANGENT_SPACE
vbo->ofs_tangent = 0;
vbo->ofs_bitangent = 0;
#endif
vbo->ofs_st = 0;
vbo->ofs_lightmap = 0;
@ -319,10 +314,9 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
vbo->ofs_lightdir = 0;
vbo->stride_xyz = sizeof(verts[0].xyz);
vbo->stride_normal = sizeof(verts[0].normal);
vbo->stride_normal = sizeof(uint8_t) * 4;
#ifdef USE_VERT_TANGENT_SPACE
vbo->stride_tangent = sizeof(verts[0].tangent);
vbo->stride_bitangent = sizeof(verts[0].bitangent);
vbo->stride_tangent = sizeof(uint8_t) * 4;
#endif
vbo->stride_vertexcolor = sizeof(verts[0].vertexColors);
vbo->stride_st = sizeof(verts[0].st);
@ -345,8 +339,14 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
vbo->ofs_normal = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].normal, sizeof(verts[i].normal));
dataOfs += sizeof(verts[i].normal);
uint8_t *p = data + dataOfs;
p[0] = (uint8_t)(verts[i].normal[0] * 127.5f + 128.0f);
p[1] = (uint8_t)(verts[i].normal[1] * 127.5f + 128.0f);
p[2] = (uint8_t)(verts[i].normal[2] * 127.5f + 128.0f);
p[3] = 0;
dataOfs += sizeof(uint8_t) * 4;
}
}
@ -357,19 +357,17 @@ VBO_t *R_CreateVBO2(const char *name, int numVertexes, srfVert_t * vert
vbo->ofs_tangent = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].tangent, sizeof(verts[i].tangent));
dataOfs += sizeof(verts[i].tangent);
}
}
vec3_t nxt;
uint8_t *p = data + dataOfs;
// bitangent
if(stateBits & ATTR_BITANGENT)
{
vbo->ofs_bitangent = dataOfs;
for (i = 0; i < numVertexes; i++)
{
memcpy(data + dataOfs, &verts[i].bitangent, sizeof(verts[i].bitangent));
dataOfs += sizeof(verts[i].bitangent);
CrossProduct(verts[i].normal, verts[i].tangent, nxt);
p[0] = (uint8_t)(verts[i].tangent[0] * 127.5f + 128.0f);
p[1] = (uint8_t)(verts[i].tangent[1] * 127.5f + 128.0f);
p[2] = (uint8_t)(verts[i].tangent[2] * 127.5f + 128.0f);
p[3] = (uint8_t)(verts[i].tangent[3] * 127.5f + 128.0f);
dataOfs += sizeof(uint8_t) * 4;
}
}
#endif
@ -691,7 +689,6 @@ void R_InitVBOs(void)
dataSize += sizeof(tess.normal[0]);
#ifdef USE_VERT_TANGENT_SPACE
dataSize += sizeof(tess.tangent[0]);
dataSize += sizeof(tess.bitangent[0]);
#endif
dataSize += sizeof(tess.vertexColors[0]);
dataSize += sizeof(tess.texCoords[0][0]) * 2;
@ -706,7 +703,6 @@ void R_InitVBOs(void)
tess.vbo->ofs_normal = offset; offset += sizeof(tess.normal[0]) * SHADER_MAX_VERTEXES;
#ifdef USE_VERT_TANGENT_SPACE
tess.vbo->ofs_tangent = offset; offset += sizeof(tess.tangent[0]) * SHADER_MAX_VERTEXES;
tess.vbo->ofs_bitangent = offset; offset += sizeof(tess.bitangent[0]) * SHADER_MAX_VERTEXES;
#endif
// these next two are actually interleaved
tess.vbo->ofs_st = offset;
@ -720,7 +716,6 @@ void R_InitVBOs(void)
tess.vbo->stride_normal = sizeof(tess.normal[0]);
#ifdef USE_VERT_TANGENT_SPACE
tess.vbo->stride_tangent = sizeof(tess.tangent[0]);
tess.vbo->stride_bitangent = sizeof(tess.bitangent[0]);
#endif
tess.vbo->stride_vertexcolor = sizeof(tess.vertexColors[0]);
tess.vbo->stride_st = sizeof(tess.texCoords[0][0]) * 2;
@ -878,12 +873,6 @@ void RB_UpdateVBOs(unsigned int attribBits)
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]), tess.tangent);
}
if(attribBits & ATTR_BITANGENT)
{
//ri.Printf(PRINT_ALL, "offset %d, size %d\n", tess.vbo->ofs_bitangent, tess.numVertexes * sizeof(tess.bitangent[0]));
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_bitangent, tess.numVertexes * sizeof(tess.bitangent[0]), tess.bitangent);
}
#endif
if(attribBits & ATTR_COLOR)
@ -905,7 +894,6 @@ void RB_UpdateVBOs(unsigned int attribBits)
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_normal, tess.numVertexes * sizeof(tess.normal[0]), tess.normal);
#ifdef USE_VERT_TANGENT_SPACE
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_tangent, tess.numVertexes * sizeof(tess.tangent[0]), tess.tangent);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_bitangent, tess.numVertexes * sizeof(tess.bitangent[0]), tess.bitangent);
#endif
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_vertexcolor, tess.numVertexes * sizeof(tess.vertexColors[0]), tess.vertexColors);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, tess.vbo->ofs_lightdir, tess.numVertexes * sizeof(tess.lightdir[0]), tess.lightdir);