static void BuildCloudData()
{
int i;
shader_t *shader;
shader = tess.surfaceShader;
assert( shader->isSky );
sky_min = 1.0 / 256.0f; // FIXME: not correct?
sky_max = 255.0 / 256.0f;
// set up for drawing
tess.multiDrawPrimitives = 0;
tess.numIndexes = 0;
tess.numVertexes = 0;
if ( tess.surfaceShader->sky.cloudHeight )
{
for ( i = 0; i < MAX_SHADER_STAGES; i++ )
{
if ( !tess.surfaceStages[ i ] )
{
break;
}
FillCloudBox( tess.surfaceShader, i );
}
}
// Tr3B: FIXME analyze required vertex attribs by the current material
Tess_UpdateVBOs( 0 );
}
/*
==============
Tess_InstantQuad
==============
*/
void Tess_InstantQuad( vec4_t quadVerts[ 4 ] )
{
GLimp_LogComment( "--- Tess_InstantQuad ---\n" );
tess.multiDrawPrimitives = 0;
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.attribsSet = 0;
Tess_MapVBOs( false );
VectorCopy( quadVerts[ 0 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 0.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 0.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 1 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 1.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 0.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 2 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 1.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 1.0f );
tess.numVertexes++;
VectorCopy( quadVerts[ 3 ], tess.verts[ tess.numVertexes ].xyz );
Vector4Set( tess.verts[ tess.numVertexes ].color, 255, 255, 255, 255 );
tess.verts[ tess.numVertexes ].texCoords[ 0 ] = floatToHalf( 0.0f );
tess.verts[ tess.numVertexes ].texCoords[ 1 ] = floatToHalf( 1.0f );
tess.numVertexes++;
tess.indexes[ tess.numIndexes++ ] = 0;
tess.indexes[ tess.numIndexes++ ] = 1;
tess.indexes[ tess.numIndexes++ ] = 2;
tess.indexes[ tess.numIndexes++ ] = 0;
tess.indexes[ tess.numIndexes++ ] = 2;
tess.indexes[ tess.numIndexes++ ] = 3;
Tess_UpdateVBOs( );
GL_VertexAttribsState( ATTR_POSITION | ATTR_TEXCOORD | ATTR_COLOR );
Tess_DrawElements();
tess.multiDrawPrimitives = 0;
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.attribsSet = 0;
GL_CheckErrors();
}
static void DrawSkyBox( shader_t *shader )
{
int i;
sky_min = 0;
sky_max = 1;
Com_Memset( s_skyTexCoords, 0, sizeof( s_skyTexCoords ) );
// set up for drawing
tess.multiDrawPrimitives = 0;
tess.numIndexes = 0;
tess.numVertexes = 0;
GL_State( GLS_DEFAULT );
for ( i = 0; i < 6; i++ )
{
int sky_mins_subd[ 2 ], sky_maxs_subd[ 2 ];
int s, t;
sky_mins[ 0 ][ i ] = floor( sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_mins[ 1 ][ i ] = floor( sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_maxs[ 0 ][ i ] = ceil( sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_maxs[ 1 ][ i ] = ceil( sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
if ( ( sky_mins[ 0 ][ i ] >= sky_maxs[ 0 ][ i ] ) || ( sky_mins[ 1 ][ i ] >= sky_maxs[ 1 ][ i ] ) )
{
continue;
}
sky_mins_subd[ 0 ] = sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_mins_subd[ 1 ] = sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_maxs_subd[ 0 ] = sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_maxs_subd[ 1 ] = sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;
if ( sky_mins_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_mins_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_mins_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_mins_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_maxs_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_maxs_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_maxs_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_maxs_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
}
// iterate through the subdivisions
for ( t = sky_mins_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t++ )
{
for ( s = sky_mins_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s++ )
{
MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
i, s_skyTexCoords[ t ][ s ], s_skyPoints[ t ][ s ] );
}
}
//DrawSkySide(shader->sky.outerbox[sky_texorder[i]], sky_mins_subd, sky_maxs_subd);
// only add indexes for first stage
FillCloudySkySide( sky_mins_subd, sky_maxs_subd, qtrue );
}
// Tr3B: FIXME analyze required vertex attribs by the current material
Tess_UpdateVBOs( 0 );
Tess_DrawElements();
}
/*
=============
RE_StretchRaw
FIXME: not exactly backend
Stretches a raw 32 bit power of 2 bitmap image over the given screen rectangle.
Used for cinematics.
=============
*/
void RE_StretchRaw( int x, int y, int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty )
{
int i, j;
int start, end;
if ( !tr.registered )
{
return;
}
R_SyncRenderThread();
// we definitely want to sync every frame for the cinematics
#if defined( USE_D3D10 )
// TODO
#else
qglFinish();
#endif
start = end = 0;
if ( r_speeds->integer )
{
#if defined( USE_D3D10 )
// TODO
#else
qglFinish();
#endif
start = ri.Milliseconds();
}
// make sure rows and cols are powers of 2
for ( i = 0; ( 1 << i ) < cols; i++ )
{
}
for ( j = 0; ( 1 << j ) < rows; j++ )
{
}
if ( ( 1 << i ) != cols || ( 1 << j ) != rows )
{
ri.Error( ERR_DROP, "Draw_StretchRaw: size not a power of 2: %i by %i", cols, rows );
}
#if defined( USE_D3D10 )
// TODO
#else
RB_SetGL2D();
qglVertexAttrib4fARB( ATTR_INDEX_NORMAL, 0, 0, 1, 1 );
qglVertexAttrib4fARB( ATTR_INDEX_COLOR, tr.identityLight, tr.identityLight, tr.identityLight, 1 );
GL_BindProgram( &tr.genericSingleShader );
// set uniforms
GLSL_SetUniform_TCGen_Environment( &tr.genericSingleShader, qfalse );
GLSL_SetUniform_ColorGen( &tr.genericSingleShader, CGEN_VERTEX );
GLSL_SetUniform_AlphaGen( &tr.genericSingleShader, AGEN_VERTEX );
//GLSL_SetUniform_Color(&tr.genericSingleShader, colorWhite);
if ( glConfig.vboVertexSkinningAvailable )
{
GLSL_SetUniform_VertexSkinning( &tr.genericSingleShader, qfalse );
}
GLSL_SetUniform_DeformGen( &tr.genericSingleShader, DGEN_NONE );
GLSL_SetUniform_AlphaTest( &tr.genericSingleShader, 0 );
GLSL_SetUniform_ModelViewProjectionMatrix( &tr.genericSingleShader, glState.modelViewProjectionMatrix[ glState.stackIndex ] );
// bind u_ColorMap
GL_SelectTexture( 0 );
GL_Bind( tr.scratchImage[ client ] );
GLSL_SetUniform_ColorTextureMatrix( &tr.genericSingleShader, matrixIdentity );
// if the scratchImage isn't in the format we want, specify it as a new texture
if ( cols != tr.scratchImage[ client ]->width || rows != tr.scratchImage[ client ]->height )
{
tr.scratchImage[ client ]->width = tr.scratchImage[ client ]->uploadWidth = cols;
tr.scratchImage[ client ]->height = tr.scratchImage[ client ]->uploadHeight = rows;
qglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB8, cols, rows, 0, GL_RGBA, GL_UNSIGNED_BYTE, data );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
qglTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
}
else
{
if ( dirty )
{
// otherwise, just subimage upload it so that drivers can tell we are going to be changing
// it and don't try and do a texture compression
qglTexSubImage2D( GL_TEXTURE_2D, 0, 0, 0, cols, rows, GL_RGBA, GL_UNSIGNED_BYTE, data );
}
}
#endif // #if defined(USE_D3D10)
if ( r_speeds->integer )
{
#if defined( USE_D3D10 )
// TODO
#else
qglFinish();
#endif
end = ri.Milliseconds();
ri.Printf( PRINT_ALL, "qglTexSubImage2D %i, %i: %i msec\n", cols, rows, end - start );
}
tess.numVertexes = 0;
tess.numIndexes = 0;
tess.xyz[ tess.numVertexes ][ 0 ] = x;
tess.xyz[ tess.numVertexes ][ 1 ] = y;
tess.xyz[ tess.numVertexes ][ 2 ] = 0;
tess.xyz[ tess.numVertexes ][ 3 ] = 1;
tess.texCoords[ tess.numVertexes ][ 0 ] = 0.5f / cols;
tess.texCoords[ tess.numVertexes ][ 1 ] = 0.5f / rows;
tess.texCoords[ tess.numVertexes ][ 2 ] = 0;
tess.texCoords[ tess.numVertexes ][ 3 ] = 1;
tess.numVertexes++;
tess.xyz[ tess.numVertexes ][ 0 ] = x + w;
tess.xyz[ tess.numVertexes ][ 1 ] = y;
tess.xyz[ tess.numVertexes ][ 2 ] = 0;
tess.xyz[ tess.numVertexes ][ 3 ] = 1;
tess.texCoords[ tess.numVertexes ][ 0 ] = ( cols - 0.5f ) / cols;
tess.texCoords[ tess.numVertexes ][ 1 ] = 0.5f / rows;
tess.texCoords[ tess.numVertexes ][ 2 ] = 0;
tess.texCoords[ tess.numVertexes ][ 3 ] = 1;
tess.numVertexes++;
tess.xyz[ tess.numVertexes ][ 0 ] = x + w;
tess.xyz[ tess.numVertexes ][ 1 ] = y + h;
tess.xyz[ tess.numVertexes ][ 2 ] = 0;
tess.xyz[ tess.numVertexes ][ 3 ] = 1;
tess.texCoords[ tess.numVertexes ][ 0 ] = ( cols - 0.5f ) / cols;
tess.texCoords[ tess.numVertexes ][ 1 ] = ( rows - 0.5f ) / rows;
tess.texCoords[ tess.numVertexes ][ 2 ] = 0;
tess.texCoords[ tess.numVertexes ][ 3 ] = 1;
tess.numVertexes++;
tess.xyz[ tess.numVertexes ][ 0 ] = x;
tess.xyz[ tess.numVertexes ][ 1 ] = y + h;
tess.xyz[ tess.numVertexes ][ 2 ] = 0;
tess.xyz[ tess.numVertexes ][ 3 ] = 1;
tess.texCoords[ tess.numVertexes ][ 0 ] = 0.5f / cols;
tess.texCoords[ tess.numVertexes ][ 1 ] = ( rows - 0.5f ) / rows;
tess.texCoords[ tess.numVertexes ][ 2 ] = 0;
tess.texCoords[ tess.numVertexes ][ 3 ] = 1;
tess.numVertexes++;
tess.indexes[ tess.numIndexes++ ] = 0;
tess.indexes[ tess.numIndexes++ ] = 1;
tess.indexes[ tess.numIndexes++ ] = 2;
tess.indexes[ tess.numIndexes++ ] = 0;
tess.indexes[ tess.numIndexes++ ] = 2;
tess.indexes[ tess.numIndexes++ ] = 3;
Tess_UpdateVBOs( ATTR_POSITION | ATTR_TEXCOORD );
Tess_DrawElements();
tess.numVertexes = 0;
tess.numIndexes = 0;
#if defined( USE_D3D10 )
// TODO
#else
GL_CheckErrors();
#endif
}
static void DrawSkyBox()
{
int i;
sky_min = 0;
sky_max = 1;
Com_Memset( s_skyTexCoords, 0, sizeof( s_skyTexCoords ) );
// set up for drawing
tess.multiDrawPrimitives = 0;
tess.numIndexes = 0;
tess.numVertexes = 0;
tess.attribsSet = 0;
GL_State( GLS_DEFAULT );
Tess_MapVBOs( false );
for ( i = 0; i < 6; i++ )
{
int sky_mins_subd[ 2 ], sky_maxs_subd[ 2 ];
int s, t;
sky_mins[ 0 ][ i ] = floor( sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_mins[ 1 ][ i ] = floor( sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_maxs[ 0 ][ i ] = ceil( sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
sky_maxs[ 1 ][ i ] = ceil( sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS ) / HALF_SKY_SUBDIVISIONS;
if ( ( sky_mins[ 0 ][ i ] >= sky_maxs[ 0 ][ i ] ) || ( sky_mins[ 1 ][ i ] >= sky_maxs[ 1 ][ i ] ) )
{
continue;
}
sky_mins_subd[ 0 ] = sky_mins[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_mins_subd[ 1 ] = sky_mins[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_maxs_subd[ 0 ] = sky_maxs[ 0 ][ i ] * HALF_SKY_SUBDIVISIONS;
sky_maxs_subd[ 1 ] = sky_maxs[ 1 ][ i ] * HALF_SKY_SUBDIVISIONS;
if ( sky_mins_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_mins_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_mins_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_mins_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
{
sky_mins_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_maxs_subd[ 0 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 0 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_maxs_subd[ 0 ] > HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 0 ] = HALF_SKY_SUBDIVISIONS;
}
if ( sky_maxs_subd[ 1 ] < -HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 1 ] = -HALF_SKY_SUBDIVISIONS;
}
else if ( sky_maxs_subd[ 1 ] > HALF_SKY_SUBDIVISIONS )
{
sky_maxs_subd[ 1 ] = HALF_SKY_SUBDIVISIONS;
}
// iterate through the subdivisions
for ( t = sky_mins_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t <= sky_maxs_subd[ 1 ] + HALF_SKY_SUBDIVISIONS; t++ )
{
for ( s = sky_mins_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s <= sky_maxs_subd[ 0 ] + HALF_SKY_SUBDIVISIONS; s++ )
{
MakeSkyVec( ( s - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
( t - HALF_SKY_SUBDIVISIONS ) / ( float ) HALF_SKY_SUBDIVISIONS,
i, s_skyTexCoords[ t ][ s ], s_skyPoints[ t ][ s ] );
}
}
// only add indexes for first stage
FillCloudySkySide( sky_mins_subd, sky_maxs_subd, true );
}
Tess_UpdateVBOs( );
GL_VertexAttribsState( tess.attribsSet );
Tess_DrawElements();
}
