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#ifndef __NVGL_PIPE_H__
#define __NVGL_PIPE_H__
#include <GL/gl.h>
static INLINE unsigned
nvgl_blend_func(unsigned factor)
{
switch (factor) {
case PIPE_BLENDFACTOR_ONE:
return GL_ONE;
case PIPE_BLENDFACTOR_SRC_COLOR:
return GL_SRC_COLOR;
case PIPE_BLENDFACTOR_SRC_ALPHA:
return GL_SRC_ALPHA;
case PIPE_BLENDFACTOR_DST_ALPHA:
return GL_DST_ALPHA;
case PIPE_BLENDFACTOR_DST_COLOR:
return GL_DST_COLOR;
case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE:
return GL_SRC_ALPHA_SATURATE;
case PIPE_BLENDFACTOR_CONST_COLOR:
return GL_CONSTANT_COLOR;
case PIPE_BLENDFACTOR_CONST_ALPHA:
return GL_CONSTANT_ALPHA;
case PIPE_BLENDFACTOR_ZERO:
return GL_ZERO;
case PIPE_BLENDFACTOR_INV_SRC_COLOR:
return GL_ONE_MINUS_SRC_COLOR;
case PIPE_BLENDFACTOR_INV_SRC_ALPHA:
return GL_ONE_MINUS_SRC_ALPHA;
case PIPE_BLENDFACTOR_INV_DST_ALPHA:
return GL_ONE_MINUS_DST_ALPHA;
case PIPE_BLENDFACTOR_INV_DST_COLOR:
return GL_ONE_MINUS_DST_COLOR;
case PIPE_BLENDFACTOR_INV_CONST_COLOR:
return GL_ONE_MINUS_CONSTANT_COLOR;
case PIPE_BLENDFACTOR_INV_CONST_ALPHA:
return GL_ONE_MINUS_CONSTANT_ALPHA;
default:
return GL_ONE;
}
}
static INLINE unsigned
nvgl_blend_eqn(unsigned func)
{
switch (func) {
case PIPE_BLEND_ADD:
return GL_FUNC_ADD;
case PIPE_BLEND_SUBTRACT:
return GL_FUNC_SUBTRACT;
case PIPE_BLEND_REVERSE_SUBTRACT:
return GL_FUNC_REVERSE_SUBTRACT;
case PIPE_BLEND_MIN:
return GL_MIN;
case PIPE_BLEND_MAX:
return GL_MAX;
default:
return GL_FUNC_ADD;
}
}
static INLINE unsigned
nvgl_logicop_func(unsigned func)
{
switch (func) {
case PIPE_LOGICOP_CLEAR:
return GL_CLEAR;
case PIPE_LOGICOP_NOR:
return GL_NOR;
case PIPE_LOGICOP_AND_INVERTED:
return GL_AND_INVERTED;
case PIPE_LOGICOP_COPY_INVERTED:
return GL_COPY_INVERTED;
case PIPE_LOGICOP_AND_REVERSE:
return GL_AND_REVERSE;
case PIPE_LOGICOP_INVERT:
return GL_INVERT;
case PIPE_LOGICOP_XOR:
return GL_XOR;
case PIPE_LOGICOP_NAND:
return GL_NAND;
case PIPE_LOGICOP_AND:
return GL_AND;
case PIPE_LOGICOP_EQUIV:
return GL_EQUIV;
case PIPE_LOGICOP_NOOP:
return GL_NOOP;
case PIPE_LOGICOP_OR_INVERTED:
return GL_OR_INVERTED;
case PIPE_LOGICOP_COPY:
return GL_COPY;
case PIPE_LOGICOP_OR_REVERSE:
return GL_OR_REVERSE;
case PIPE_LOGICOP_OR:
return GL_OR;
case PIPE_LOGICOP_SET:
return GL_SET;
default:
return GL_CLEAR;
}
}
static INLINE unsigned
nvgl_comparison_op(unsigned op)
{
switch (op) {
case PIPE_FUNC_NEVER:
return GL_NEVER;
case PIPE_FUNC_LESS:
return GL_LESS;
case PIPE_FUNC_EQUAL:
return GL_EQUAL;
case PIPE_FUNC_LEQUAL:
return GL_LEQUAL;
case PIPE_FUNC_GREATER:
return GL_GREATER;
case PIPE_FUNC_NOTEQUAL:
return GL_NOTEQUAL;
case PIPE_FUNC_GEQUAL:
return GL_GEQUAL;
case PIPE_FUNC_ALWAYS:
return GL_ALWAYS;
default:
return GL_NEVER;
}
}
static INLINE unsigned
nvgl_polygon_mode(unsigned mode)
{
switch (mode) {
case PIPE_POLYGON_MODE_FILL:
return GL_FILL;
case PIPE_POLYGON_MODE_LINE:
return GL_LINE;
case PIPE_POLYGON_MODE_POINT:
return GL_POINT;
default:
return GL_FILL;
}
}
static INLINE unsigned
nvgl_stencil_op(unsigned op)
{
switch (op) {
case PIPE_STENCIL_OP_KEEP:
return GL_KEEP;
case PIPE_STENCIL_OP_ZERO:
return GL_ZERO;
case PIPE_STENCIL_OP_REPLACE:
return GL_REPLACE;
case PIPE_STENCIL_OP_INCR:
return GL_INCR;
case PIPE_STENCIL_OP_DECR:
return GL_DECR;
case PIPE_STENCIL_OP_INCR_WRAP:
return GL_INCR_WRAP;
case PIPE_STENCIL_OP_DECR_WRAP:
return GL_DECR_WRAP;
case PIPE_STENCIL_OP_INVERT:
return GL_INVERT;
default:
return GL_KEEP;
}
}
static INLINE unsigned
nvgl_primitive(unsigned prim) {
switch (prim) {
case PIPE_PRIM_POINTS:
return GL_POINTS + 1;
case PIPE_PRIM_LINES:
return GL_LINES + 1;
case PIPE_PRIM_LINE_LOOP:
return GL_LINE_LOOP + 1;
case PIPE_PRIM_LINE_STRIP:
return GL_LINE_STRIP + 1;
case PIPE_PRIM_TRIANGLES:
return GL_TRIANGLES + 1;
case PIPE_PRIM_TRIANGLE_STRIP:
return GL_TRIANGLE_STRIP + 1;
case PIPE_PRIM_TRIANGLE_FAN:
return GL_TRIANGLE_FAN + 1;
case PIPE_PRIM_QUADS:
return GL_QUADS + 1;
case PIPE_PRIM_QUAD_STRIP:
return GL_QUAD_STRIP + 1;
case PIPE_PRIM_POLYGON:
return GL_POLYGON + 1;
default:
return GL_POINTS + 1;
}
}
#endif
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